diff options
| author |  ks129 <[email protected]> | 2021-02-19 12:32:07 +0200 |
|---|---|---|
| committer |  GitHub <[email protected]> | 2021-02-19 12:32:07 +0200 |
| commit | 504801d5221f444d110744e8109dc774ef654664 (patch) | |
| tree | 70238a3118ba5852acab4bfdeba581cda8234189 | |
| parent | Merge branch 'master' into error-handler-test (diff) | |
| parent | Delete free.md (diff) | |
Merge branch 'master' into error-handler-test
91 files changed, 3859 insertions, 2907 deletions
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index cf5f1590d..ad813d893 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -1 +1,37 @@ -* @python-discord/core-developers +# Extensions +**/bot/exts/backend/sync/** @MarkKoz +**/bot/exts/filters/*token_remover.py @MarkKoz +**/bot/exts/moderation/*silence.py @MarkKoz +bot/exts/info/codeblock/** @MarkKoz +bot/exts/utils/extensions.py @MarkKoz +bot/exts/utils/snekbox.py @MarkKoz @Akarys42 +bot/exts/help_channels/** @MarkKoz @Akarys42 +bot/exts/moderation/** @Akarys42 @mbaruh @Den4200 @ks129 +bot/exts/info/** @Akarys42 @mbaruh @Den4200 +bot/exts/filters/** @mbaruh +bot/exts/fun/** @ks129 +bot/exts/utils/** @ks129 + +# Utils +bot/utils/extensions.py @MarkKoz +bot/utils/function.py @MarkKoz +bot/utils/lock.py @MarkKoz +bot/utils/regex.py @Akarys42 +bot/utils/scheduling.py @MarkKoz + +# Tests +tests/_autospec.py @MarkKoz +tests/bot/exts/test_cogs.py @MarkKoz +tests/** @Akarys42 + +# CI & Docker +.github/workflows/** @MarkKoz @Akarys42 @SebastiaanZ @Den4200 +Dockerfile @MarkKoz @Akarys42 @Den4200 +docker-compose.yml @MarkKoz @Akarys42 @Den4200 + +# Tools +Pipfile* @Akarys42 + +# Statistics +bot/async_stats.py @jb3 +bot/exts/info/stats.py @jb3 diff --git a/.github/review-policy.yml b/.github/review-policy.yml new file mode 100644 index 000000000..421b30f8a --- /dev/null +++ b/.github/review-policy.yml @@ -0,0 +1,3 @@ +remote: python-discord/.github +path: review-policies/core-developers.yml +ref: main diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml index 706ab462f..6c97e8784 100644 --- a/.github/workflows/build.yml +++ b/.github/workflows/build.yml @@ -10,7 +10,7 @@ on: jobs: build: - if: github.event.workflow_run.conclusion == 'success' + if: github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'push' name: Build & Push runs-on: ubuntu-latest @@ -55,3 +55,5 @@ jobs: tags: | ghcr.io/python-discord/bot:latest ghcr.io/python-discord/bot:${{ steps.sha_tag.outputs.tag }} + build-args: | + git_sha=${{ github.sha }} diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml index 90555a8ee..5a4aede30 100644 --- a/.github/workflows/deploy.yml +++ b/.github/workflows/deploy.yml @@ -23,6 +23,9 @@ jobs: - name: Checkout code uses: actions/checkout@v2 + with: + repository: python-discord/kubernetes + token: ${{ secrets.REPO_TOKEN }} - name: Authenticate with Kubernetes uses: azure/k8s-set-context@v1 @@ -34,6 +37,6 @@ jobs: uses: Azure/k8s-deploy@v1 with: manifests: | - deployment.yaml + bot/deployment.yaml images: 'ghcr.io/python-discord/bot:${{ steps.sha_tag.outputs.tag }}' kubectl-version: 'latest' diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml index 5444fc3de..6fa8e8333 100644 --- a/.github/workflows/lint-test.yml +++ b/.github/workflows/lint-test.yml @@ -113,3 +113,25 @@ jobs: env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} run: coveralls + + # Prepare the Pull Request Payload artifact. If this fails, we + # we fail silently using the `continue-on-error` option. It's + # nice if this succeeds, but if it fails for any reason, it + # does not mean that our lint-test checks failed. + - name: Prepare Pull Request Payload artifact + id: prepare-artifact + if: always() && github.event_name == 'pull_request' + continue-on-error: true + run: cat $GITHUB_EVENT_PATH | jq '.pull_request' > pull_request_payload.json + + # This only makes sense if the previous step succeeded. To + # get the original outcome of the previous step before the + # `continue-on-error` conclusion is applied, we use the + # `.outcome` value. This step also fails silently. + - name: Upload a Build Artifact + if: always() && steps.prepare-artifact.outcome == 'success' + continue-on-error: true + uses: actions/upload-artifact@v2 + with: + name: pull-request-payload + path: pull_request_payload.json diff --git a/.github/workflows/sentry_release.yml b/.github/workflows/sentry_release.yml new file mode 100644 index 000000000..b8d92e90a --- /dev/null +++ b/.github/workflows/sentry_release.yml @@ -0,0 +1,24 @@ +name: Create Sentry release + +on: + push: + branches: + - master + +jobs: + create_sentry_release: + runs-on: ubuntu-latest + steps: + - name: Checkout code + uses: actions/checkout@master + + - name: Create a Sentry.io release + uses: tclindner/[email protected] + env: + SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }} + SENTRY_ORG: python-discord + SENTRY_PROJECT: bot + with: + tagName: ${{ github.sha }} + environment: production + releaseNamePrefix: bot@ diff --git a/.github/workflows/status_embed.yaml b/.github/workflows/status_embed.yaml new file mode 100644 index 000000000..b6a71b887 --- /dev/null +++ b/.github/workflows/status_embed.yaml @@ -0,0 +1,78 @@ +name: Status Embed + +on: + workflow_run: + workflows: + - Lint & Test + - Build + - Deploy + types: + - completed + +jobs: + status_embed: + # We need to send a status embed whenever the workflow + # sequence we're running terminates. There are a number + # of situations in which that happens: + # + # 1. We reach the end of the Deploy workflow, without + # it being skipped. + # + # 2. A `pull_request` triggered a Lint & Test workflow, + # as the sequence always terminates with one run. + # + # 3. If any workflow ends in failure or was cancelled. + if: >- + (github.event.workflow_run.name == 'Deploy' && github.event.workflow_run.conclusion != 'skipped') || + github.event.workflow_run.event == 'pull_request' || + github.event.workflow_run.conclusion == 'failure' || + github.event.workflow_run.conclusion == 'cancelled' + name: Send Status Embed to Discord + runs-on: ubuntu-latest + + steps: + # A workflow_run event does not contain all the information + # we need for a PR embed. That's why we upload an artifact + # with that information in the Lint workflow. + - name: Get Pull Request Information + id: pr_info + if: github.event.workflow_run.event == 'pull_request' + run: | + curl -s -H "Authorization: token $GITHUB_TOKEN" ${{ github.event.workflow_run.artifacts_url }} > artifacts.json + DOWNLOAD_URL=$(cat artifacts.json | jq -r '.artifacts[] | select(.name == "pull-request-payload") | .archive_download_url') + [ -z "$DOWNLOAD_URL" ] && exit 1 + wget --quiet --header="Authorization: token $GITHUB_TOKEN" -O pull_request_payload.zip $DOWNLOAD_URL || exit 2 + unzip -p pull_request_payload.zip > pull_request_payload.json + [ -s pull_request_payload.json ] || exit 3 + echo "::set-output name=pr_author_login::$(jq -r '.user.login // empty' pull_request_payload.json)" + echo "::set-output name=pr_number::$(jq -r '.number // empty' pull_request_payload.json)" + echo "::set-output name=pr_title::$(jq -r '.title // empty' pull_request_payload.json)" + echo "::set-output name=pr_source::$(jq -r '.head.label // empty' pull_request_payload.json)" + env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} + + # Send an informational status embed to Discord instead of the + # standard embeds that Discord sends. This embed will contain + # more information and we can fine tune when we actually want + # to send an embed. + - name: GitHub Actions Status Embed for Discord + uses: SebastiaanZ/[email protected] + with: + # Our GitHub Actions webhook + webhook_id: '784184528997842985' + webhook_token: ${{ secrets.GHA_WEBHOOK_TOKEN }} + + # Workflow information + workflow_name: ${{ github.event.workflow_run.name }} + run_id: ${{ github.event.workflow_run.id }} + run_number: ${{ github.event.workflow_run.run_number }} + status: ${{ github.event.workflow_run.conclusion }} + actor: ${{ github.actor }} + repository: ${{ github.repository }} + ref: ${{ github.ref }} + sha: ${{ github.event.workflow_run.head_sha }} + + pr_author_login: ${{ steps.pr_info.outputs.pr_author_login }} + pr_number: ${{ steps.pr_info.outputs.pr_number }} + pr_title: ${{ steps.pr_info.outputs.pr_title }} + pr_source: ${{ steps.pr_info.outputs.pr_source }} diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 876d32b15..1597592ca 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -21,6 +21,6 @@ repos: name: Flake8 description: This hook runs flake8 within our project's pipenv environment. entry: pipenv run flake8 - language: python + language: system types: [python] require_serial: true diff --git a/Dockerfile b/Dockerfile index 06a538b2a..1a75e5669 100644 --- a/Dockerfile +++ b/Dockerfile @@ -6,6 +6,11 @@ ENV PIP_NO_CACHE_DIR=false \ PIPENV_IGNORE_VIRTUALENVS=1 \ PIPENV_NOSPIN=1 +RUN apt-get -y update \ + && apt-get install -y \ + git \ + && rm -rf /var/lib/apt/lists/* + # Install pipenv RUN pip install -U pipenv @@ -16,6 +21,12 @@ WORKDIR /bot COPY Pipfile* ./ RUN pipenv install --system --deploy +# Define Git SHA build argument +ARG git_sha="development" + +# Set Git SHA environment variable for Sentry +ENV GIT_SHA=$git_sha + # Copy the source code in last to optimize rebuilding the image COPY . . @@ -14,18 +14,19 @@ beautifulsoup4 = "~=4.9" colorama = {version = "~=0.4.3",sys_platform = "== 'win32'"} coloredlogs = "~=14.0" deepdiff = "~=4.0" -"discord.py" = "~=1.5.0" +"discord.py" = "~=1.6.0" feedparser = "~=5.2" fuzzywuzzy = "~=0.17" lxml = "~=4.4" -markdownify = "~=0.4" +markdownify = "==0.5.3" more_itertools = "~=8.2" python-dateutil = "~=2.8" pyyaml = "~=5.1" requests = "~=2.22" -sentry-sdk = "~=0.14" +sentry-sdk = "~=0.19" sphinx = "~=2.2" statsd = "~=3.3" +arrow = "~=0.17" emoji = "~=0.6" [dev-packages] diff --git a/Pipfile.lock b/Pipfile.lock index 541db1627..636d07b1a 100644 --- a/Pipfile.lock +++ b/Pipfile.lock @@ -1,7 +1,7 @@ { "_meta": { "hash": { - "sha256": "3ccb368599709d2970f839fc3721cfeebcd5a2700fed7231b2ce38a080828325" + "sha256": "26c8089f17d6d6bac11dbed366b1b46818b4546f243af756a106a32af5d9d8f6" }, "pipfile-spec": 6, "requires": { @@ -34,22 +34,46 @@ }, "aiohttp": { "hashes": [ - "sha256:1a4160579ffbc1b69e88cb6ca8bb0fbd4947dfcbf9fb1e2a4fc4c7a4a986c1fe", - "sha256:206c0ccfcea46e1bddc91162449c20c72f308aebdcef4977420ef329c8fcc599", - "sha256:2ad493de47a8f926386fa6d256832de3095ba285f325db917c7deae0b54a9fc8", - "sha256:319b490a5e2beaf06891f6711856ea10591cfe84fe9f3e71a721aa8f20a0872a", - "sha256:470e4c90da36b601676fe50c49a60d34eb8c6593780930b1aa4eea6f508dfa37", - "sha256:60f4caa3b7f7a477f66ccdd158e06901e1d235d572283906276e3803f6b098f5", - "sha256:66d64486172b032db19ea8522328b19cfb78a3e1e5b62ab6a0567f93f073dea0", - "sha256:687461cd974722110d1763b45c5db4d2cdee8d50f57b00c43c7590d1dd77fc5c", - "sha256:698cd7bc3c7d1b82bb728bae835724a486a8c376647aec336aa21a60113c3645", - "sha256:797456399ffeef73172945708810f3277f794965eb6ec9bd3a0c007c0476be98", - "sha256:a885432d3cabc1287bcf88ea94e1826d3aec57fd5da4a586afae4591b061d40d", - "sha256:c506853ba52e516b264b106321c424d03f3ddef2813246432fa9d1cefd361c81", - "sha256:fb83326d8295e8840e4ba774edf346e87eca78ba8a89c55d2690352842c15ba5" + "sha256:0b795072bb1bf87b8620120a6373a3c61bfcb8da7e5c2377f4bb23ff4f0b62c9", + "sha256:0d438c8ca703b1b714e82ed5b7a4412c82577040dadff479c08405e2a715564f", + "sha256:16a3cb5df5c56f696234ea9e65e227d1ebe9c18aa774d36ff42f532139066a5f", + "sha256:1edfd82a98c5161497bbb111b2b70c0813102ad7e0aa81cbeb34e64c93863005", + "sha256:2406dc1dda01c7f6060ab586e4601f18affb7a6b965c50a8c90ff07569cf782a", + "sha256:2858b2504c8697beb9357be01dc47ef86438cc1cb36ecb6991796d19475faa3e", + "sha256:2a7b7640167ab536c3cb90cfc3977c7094f1c5890d7eeede8b273c175c3910fd", + "sha256:3228b7a51e3ed533f5472f54f70fd0b0a64c48dc1649a0f0e809bec312934d7a", + "sha256:328b552513d4f95b0a2eea4c8573e112866107227661834652a8984766aa7656", + "sha256:39f4b0a6ae22a1c567cb0630c30dd082481f95c13ca528dc501a7766b9c718c0", + "sha256:3b0036c978cbcc4a4512278e98e3e6d9e6b834dc973206162eddf98b586ef1c6", + "sha256:3ea8c252d8df5e9166bcf3d9edced2af132f4ead8ac422eac723c5781063709a", + "sha256:41608c0acbe0899c852281978492f9ce2c6fbfaf60aff0cefc54a7c4516b822c", + "sha256:59d11674964b74a81b149d4ceaff2b674b3b0e4d0f10f0be1533e49c4a28408b", + "sha256:5e479df4b2d0f8f02133b7e4430098699450e1b2a826438af6bec9a400530957", + "sha256:684850fb1e3e55c9220aad007f8386d8e3e477c4ec9211ae54d968ecdca8c6f9", + "sha256:6ccc43d68b81c424e46192a778f97da94ee0630337c9bbe5b2ecc9b0c1c59001", + "sha256:6d42debaf55450643146fabe4b6817bb2a55b23698b0434107e892a43117285e", + "sha256:710376bf67d8ff4500a31d0c207b8941ff4fba5de6890a701d71680474fe2a60", + "sha256:756ae7efddd68d4ea7d89c636b703e14a0c686688d42f588b90778a3c2fc0564", + "sha256:77149002d9386fae303a4a162e6bce75cc2161347ad2ba06c2f0182561875d45", + "sha256:78e2f18a82b88cbc37d22365cf8d2b879a492faedb3f2975adb4ed8dfe994d3a", + "sha256:7d9b42127a6c0bdcc25c3dcf252bb3ddc70454fac593b1b6933ae091396deb13", + "sha256:8389d6044ee4e2037dca83e3f6994738550f6ee8cfb746762283fad9b932868f", + "sha256:9c1a81af067e72261c9cbe33ea792893e83bc6aa987bfbd6fdc1e5e7b22777c4", + "sha256:c1e0920909d916d3375c7a1fdb0b1c78e46170e8bb42792312b6eb6676b2f87f", + "sha256:c68fdf21c6f3573ae19c7ee65f9ff185649a060c9a06535e9c3a0ee0bbac9235", + "sha256:c733ef3bdcfe52a1a75564389bad4064352274036e7e234730526d155f04d914", + "sha256:c9c58b0b84055d8bc27b7df5a9d141df4ee6ff59821f922dd73155861282f6a3", + "sha256:d03abec50df423b026a5aa09656bd9d37f1e6a49271f123f31f9b8aed5dc3ea3", + "sha256:d2cfac21e31e841d60dc28c0ec7d4ec47a35c608cb8906435d47ef83ffb22150", + "sha256:dcc119db14757b0c7bce64042158307b9b1c76471e655751a61b57f5a0e4d78e", + "sha256:df3a7b258cc230a65245167a202dd07320a5af05f3d41da1488ba0fa05bc9347", + "sha256:df48a623c58180874d7407b4d9ec06a19b84ed47f60a3884345b1a5099c1818b", + "sha256:e1b95972a0ae3f248a899cdbac92ba2e01d731225f566569311043ce2226f5e7", + "sha256:f326b3c1bbfda5b9308252ee0dcb30b612ee92b0e105d4abec70335fab5b1245", + "sha256:f411cb22115cb15452d099fec0ee636b06cf81bfb40ed9c02d30c8dc2bc2e3d1" ], "index": "pypi", - "version": "==3.6.3" + "version": "==3.7.3" }, "aioping": { "hashes": [ @@ -82,6 +106,14 @@ ], "version": "==0.7.12" }, + "arrow": { + "hashes": [ + "sha256:e098abbd9af3665aea81bdd6c869e93af4feb078e98468dd351c383af187aac5", + "sha256:ff08d10cda1d36c68657d6ad20d74fbea493d980f8b2d45344e00d6ed2bf6ed4" + ], + "index": "pypi", + "version": "==0.17.0" + }, "async-rediscache": { "extras": [ "fakeredis" @@ -129,51 +161,51 @@ }, "certifi": { "hashes": [ - "sha256:1f422849db327d534e3d0c5f02a263458c3955ec0aae4ff09b95f195c59f4edd", - "sha256:f05def092c44fbf25834a51509ef6e631dc19765ab8a57b4e7ab85531f0a9cf4" + "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c", + "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830" ], - "version": "==2020.11.8" + "version": "==2020.12.5" }, "cffi": { "hashes": [ - "sha256:005f2bfe11b6745d726dbb07ace4d53f057de66e336ff92d61b8c7e9c8f4777d", - "sha256:09e96138280241bd355cd585148dec04dbbedb4f46128f340d696eaafc82dd7b", - "sha256:0b1ad452cc824665ddc682400b62c9e4f5b64736a2ba99110712fdee5f2505c4", - 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"sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97", + "sha256:73f099454b799e05e5ab51423c7bcf361c58d3206fa7b0d555426b1f4d9a3eaf", "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f", - "sha256:4f4b913ca1a7319b33cfb1369e91e50354d6f07a135f3b901aca02aa95940bd2", - "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee", "sha256:7739fc0fa8205b3ee8808aea45e968bc90082c10aef6ea95e855e10abf4a37b2", + "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee", + "sha256:ad9c67312c84def58f3c04504727ca879cb0013b2517c85a9a253f0cb6380c0a", + "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d", + "sha256:cc8955cfbfc7a115fa81d85284ee61147059a753344bc51098f3ccd69b0d7e0c", "sha256:d13155f591e6fcc1ec3b30685d50bf0711574e2c0dfffd7644babf8b5102ca1a" ], "index": "pypi", @@ -989,18 +1084,18 @@ }, "requests": { "hashes": [ - "sha256:7f1a0b932f4a60a1a65caa4263921bb7d9ee911957e0ae4a23a6dd08185ad5f8", - "sha256:e786fa28d8c9154e6a4de5d46a1d921b8749f8b74e28bde23768e5e16eece998" + "sha256:27973dd4a904a4f13b263a19c866c13b92a39ed1c964655f025f3f8d3d75b804", + "sha256:c210084e36a42ae6b9219e00e48287def368a26d03a048ddad7bfee44f75871e" ], "index": "pypi", - "version": "==2.25.0" + "version": "==2.25.1" }, "six": { "hashes": [ "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259", "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced" ], - "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'", + "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'", "version": "==1.15.0" }, "snowballstemmer": { @@ -1015,7 +1110,7 @@ "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b", "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f" ], - "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'", + "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'", "version": "==0.10.2" }, "urllib3": { @@ -1028,11 +1123,11 @@ }, "virtualenv": { "hashes": [ - "sha256:b0011228208944ce71052987437d3843e05690b2f23d1c7da4263fde104c97a2", - "sha256:b8d6110f493af256a40d65e29846c69340a947669eec8ce784fcf3dd3af28380" + "sha256:0c111a2236b191422b37fe8c28b8c828ced39aab4bf5627fa5c331aeffb570d9", + "sha256:14b34341e742bdca219e10708198e704e8a7064dd32f474fc16aca68ac53a306" ], "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'", - "version": "==20.1.0" + "version": "==20.3.1" } } } @@ -5,8 +5,7 @@ [![Build][3]][4] [![Deploy][5]][6] [](https://coveralls.io/github/python-discord/bot) -[](LICENSE) -[](https://pythondiscord.com) +[](LICENSE) This project is a Discord bot specifically for use with the Python Discord server. It provides numerous utilities and other tools to help keep the server running like a well-oiled machine. @@ -19,5 +18,5 @@ Read the [Contributing Guide](https://pythondiscord.com/pages/contributing/bot/) [4]: https://github.com/python-discord/bot/actions?query=workflow%3ABuild+branch%3Amaster [5]: https://github.com/python-discord/bot/workflows/Deploy/badge.svg?branch=master [6]: https://github.com/python-discord/bot/actions?query=workflow%3ADeploy+branch%3Amaster -[7]: https://img.shields.io/static/v1?label=Python%20Discord&logo=discord&message=%3E100k%20members&color=%237289DA&logoColor=white -[8]: https://discord.gg/2B963hn +[7]: https://raw.githubusercontent.com/python-discord/branding/master/logos/badge/badge_github.svg +[8]: https://discord.gg/python diff --git a/bot/api.py b/bot/api.py index 4b8520582..6ce9481f4 100644 --- a/bot/api.py +++ b/bot/api.py @@ -37,64 +37,27 @@ class APIClient: session: Optional[aiohttp.ClientSession] = None loop: asyncio.AbstractEventLoop = None - def __init__(self, loop: asyncio.AbstractEventLoop, **kwargs): + def __init__(self, **session_kwargs): auth_headers = { 'Authorization': f"Token {Keys.site_api}" } - if 'headers' in kwargs: - kwargs['headers'].update(auth_headers) + if 'headers' in session_kwargs: + session_kwargs['headers'].update(auth_headers) else: - kwargs['headers'] = auth_headers + session_kwargs['headers'] = auth_headers - self.session = None - self.loop = loop - - self._ready = asyncio.Event(loop=loop) - self._creation_task = None - self._default_session_kwargs = kwargs - - self.recreate() + # aiohttp will complain if APIClient gets instantiated outside a coroutine. Thankfully, we + # don't and shouldn't need to do that, so we can avoid scheduling a task to create it. + self.session = aiohttp.ClientSession(**session_kwargs) @staticmethod def _url_for(endpoint: str) -> str: - return f"{URLs.site_schema}{URLs.site_api}/{quote_url(endpoint)}" - - async def _create_session(self, **session_kwargs) -> None: - """ - Create the aiohttp session with `session_kwargs` and set the ready event. - - `session_kwargs` is merged with `_default_session_kwargs` and overwrites its values. - If an open session already exists, it will first be closed. - """ - await self.close() - self.session = aiohttp.ClientSession(**{**self._default_session_kwargs, **session_kwargs}) - self._ready.set() + return f"{URLs.site_api_schema}{URLs.site_api}/{quote_url(endpoint)}" async def close(self) -> None: - """Close the aiohttp session and unset the ready event.""" - if self.session: - await self.session.close() - - self._ready.clear() - - def recreate(self, force: bool = False, **session_kwargs) -> None: - """ - Schedule the aiohttp session to be created with `session_kwargs` if it's been closed. - - If `force` is True, the session will be recreated even if an open one exists. If a task to - create the session is pending, it will be cancelled. - - `session_kwargs` is merged with the kwargs given when the `APIClient` was created and - overwrites those default kwargs. - """ - if force or self.session is None or self.session.closed: - if force and self._creation_task: - self._creation_task.cancel() - - # Don't schedule a task if one is already in progress. - if force or self._creation_task is None or self._creation_task.done(): - self._creation_task = self.loop.create_task(self._create_session(**session_kwargs)) + """Close the aiohttp session.""" + await self.session.close() async def maybe_raise_for_status(self, response: aiohttp.ClientResponse, should_raise: bool) -> None: """Raise ResponseCodeError for non-OK response if an exception should be raised.""" @@ -108,8 +71,6 @@ class APIClient: async def request(self, method: str, endpoint: str, *, raise_for_status: bool = True, **kwargs) -> dict: """Send an HTTP request to the site API and return the JSON response.""" - await self._ready.wait() - async with self.session.request(method.upper(), self._url_for(endpoint), **kwargs) as resp: await self.maybe_raise_for_status(resp, raise_for_status) return await resp.json() @@ -132,25 +93,9 @@ class APIClient: async def delete(self, endpoint: str, *, raise_for_status: bool = True, **kwargs) -> Optional[dict]: """Site API DELETE.""" - await self._ready.wait() - async with self.session.delete(self._url_for(endpoint), **kwargs) as resp: if resp.status == 204: return None await self.maybe_raise_for_status(resp, raise_for_status) return await resp.json() - - -def loop_is_running() -> bool: - """ - Determine if there is a running asyncio event loop. - - This helps enable "call this when event loop is running" logic (see: Twisted's `callWhenRunning`), - which is currently not provided by asyncio. - """ - try: - asyncio.get_running_loop() - except RuntimeError: - return False - return True diff --git a/bot/bot.py b/bot/bot.py index 36cf7d30a..d5f108575 100644 --- a/bot/bot.py +++ b/bot/bot.py @@ -3,7 +3,8 @@ import logging import socket import warnings from collections import defaultdict -from typing import Dict, Optional +from contextlib import suppress +from typing import Dict, List, Optional import aiohttp import discord @@ -15,6 +16,7 @@ from bot import api, constants from bot.async_stats import AsyncStatsClient log = logging.getLogger('bot') +LOCALHOST = "127.0.0.1" class Bot(commands.Bot): @@ -31,11 +33,12 @@ class Bot(commands.Bot): self.http_session: Optional[aiohttp.ClientSession] = None self.redis_session = redis_session - self.api_client = api.APIClient(loop=self.loop) + self.api_client: Optional[api.APIClient] = None self.filter_list_cache = defaultdict(dict) self._connector = None self._resolver = None + self._statsd_timerhandle: asyncio.TimerHandle = None self._guild_available = asyncio.Event() statsd_url = constants.Stats.statsd_host @@ -44,9 +47,32 @@ class Bot(commands.Bot): # Since statsd is UDP, there are no errors for sending to a down port. # For this reason, setting the statsd host to 127.0.0.1 for development # will effectively disable stats. - statsd_url = "127.0.0.1" + statsd_url = LOCALHOST - self.stats = AsyncStatsClient(self.loop, statsd_url, 8125, prefix="bot") + self.stats = AsyncStatsClient(self.loop, LOCALHOST) + self._connect_statsd(statsd_url) + + def _connect_statsd(self, statsd_url: str, retry_after: int = 2, attempt: int = 1) -> None: + """Callback used to retry a connection to statsd if it should fail.""" + if attempt >= 8: + log.error("Reached 8 attempts trying to reconnect AsyncStatsClient. Aborting") + return + + try: + self.stats = AsyncStatsClient(self.loop, statsd_url, 8125, prefix="bot") + except socket.gaierror: + log.warning(f"Statsd client failed to connect (Attempt(s): {attempt})") + # Use a fallback strategy for retrying, up to 8 times. + self._statsd_timerhandle = self.loop.call_later( + retry_after, + self._connect_statsd, + statsd_url, + retry_after * 2, + attempt + 1 + ) + + # All tasks that need to block closing until finished + self.closing_tasks: List[asyncio.Task] = [] async def cache_filter_list_data(self) -> None: """Cache all the data in the FilterList on the site.""" @@ -55,46 +81,6 @@ class Bot(commands.Bot): for item in full_cache: self.insert_item_into_filter_list_cache(item) - def _recreate(self) -> None: - """Re-create the connector, aiohttp session, the APIClient and the Redis session.""" - # Use asyncio for DNS resolution instead of threads so threads aren't spammed. - # Doesn't seem to have any state with regards to being closed, so no need to worry? - self._resolver = aiohttp.AsyncResolver() - - # Its __del__ does send a warning but it doesn't always show up for some reason. - if self._connector and not self._connector._closed: - log.warning( - "The previous connector was not closed; it will remain open and be overwritten" - ) - - if self.redis_session.closed: - # If the RedisSession was somehow closed, we try to reconnect it - # here. Normally, this shouldn't happen. - self.loop.create_task(self.redis_session.connect()) - - # Use AF_INET as its socket family to prevent HTTPS related problems both locally - # and in production. - self._connector = aiohttp.TCPConnector( - resolver=self._resolver, - family=socket.AF_INET, - ) - - # Client.login() will call HTTPClient.static_login() which will create a session using - # this connector attribute. - self.http.connector = self._connector - - # Its __del__ does send a warning but it doesn't always show up for some reason. - if self.http_session and not self.http_session.closed: - log.warning( - "The previous session was not closed; it will remain open and be overwritten" - ) - - self.http_session = aiohttp.ClientSession(connector=self._connector) - self.api_client.recreate(force=True, connector=self._connector) - - # Build the FilterList cache - self.loop.create_task(self.cache_filter_list_data()) - @classmethod def create(cls) -> "Bot": """Create and return an instance of a Bot.""" @@ -158,21 +144,29 @@ class Bot(commands.Bot): return command def clear(self) -> None: - """ - Clears the internal state of the bot and recreates the connector and sessions. - - Will cause a DeprecationWarning if called outside a coroutine. - """ - # Because discord.py recreates the HTTPClient session, may as well follow suit and recreate - # our own stuff here too. - self._recreate() - super().clear() + """Not implemented! Re-instantiate the bot instead of attempting to re-use a closed one.""" + raise NotImplementedError("Re-using a Bot object after closing it is not supported.") async def close(self) -> None: """Close the Discord connection and the aiohttp session, connector, statsd client, and resolver.""" + # Done before super().close() to allow tasks finish before the HTTP session closes. + for ext in list(self.extensions): + with suppress(Exception): + self.unload_extension(ext) + + for cog in list(self.cogs): + with suppress(Exception): + self.remove_cog(cog) + + # Wait until all tasks that have to be completed before bot is closing is done + log.trace("Waiting for tasks before closing.") + await asyncio.gather(*self.closing_tasks) + + # Now actually do full close of bot await super().close() - await self.api_client.close() + if self.api_client: + await self.api_client.close() if self.http_session: await self.http_session.close() @@ -189,6 +183,9 @@ class Bot(commands.Bot): if self.redis_session: await self.redis_session.close() + if self._statsd_timerhandle: + self._statsd_timerhandle.cancel() + def insert_item_into_filter_list_cache(self, item: Dict[str, str]) -> None: """Add an item to the bots filter_list_cache.""" type_ = item["type"] @@ -204,7 +201,31 @@ class Bot(commands.Bot): async def login(self, *args, **kwargs) -> None: """Re-create the connector and set up sessions before logging into Discord.""" - self._recreate() + # Use asyncio for DNS resolution instead of threads so threads aren't spammed. + self._resolver = aiohttp.AsyncResolver() + + # Use AF_INET as its socket family to prevent HTTPS related problems both locally + # and in production. + self._connector = aiohttp.TCPConnector( + resolver=self._resolver, + family=socket.AF_INET, + ) + + # Client.login() will call HTTPClient.static_login() which will create a session using + # this connector attribute. + self.http.connector = self._connector + + self.http_session = aiohttp.ClientSession(connector=self._connector) + self.api_client = api.APIClient(connector=self._connector) + + if self.redis_session.closed: + # If the RedisSession was somehow closed, we try to reconnect it + # here. Normally, this shouldn't happen. + await self.redis_session.connect() + + # Build the FilterList cache + await self.cache_filter_list_data() + await self.stats.create_socket() await super().login(*args, **kwargs) diff --git a/bot/constants.py b/bot/constants.py index 6bb6aacd2..8a93ff9cf 100644 --- a/bot/constants.py +++ b/bot/constants.py @@ -197,8 +197,8 @@ class Bot(metaclass=YAMLGetter): section = "bot" prefix: str - token: str sentry_dsn: Optional[str] + token: str class Redis(metaclass=YAMLGetter): @@ -206,29 +206,30 @@ class Redis(metaclass=YAMLGetter): subsection = "redis" host: str - port: int password: Optional[str] + port: int use_fakeredis: bool # If this is True, Bot will use fakeredis.aioredis class Filter(metaclass=YAMLGetter): section = "filter" - filter_zalgo: bool - filter_invites: bool filter_domains: bool filter_everyone_ping: bool + filter_invites: bool + filter_zalgo: bool watch_regex: bool watch_rich_embeds: bool # Notifications are not expected for "watchlist" type filters - notify_user_zalgo: bool - notify_user_invites: bool + notify_user_domains: bool notify_user_everyone_ping: bool + notify_user_invites: bool + notify_user_zalgo: bool - ping_everyone: bool offensive_msg_delete_days: int + ping_everyone: bool channel_whitelist: List[int] role_whitelist: List[int] @@ -245,10 +246,16 @@ class Colours(metaclass=YAMLGetter): section = "style" subsection = "colours" - soft_red: int + blue: int + bright_green: int + orange: int + pink: int + purple: int soft_green: int soft_orange: int - bright_green: int + soft_red: int + white: int + yellow: int class DuckPond(metaclass=YAMLGetter): @@ -262,43 +269,46 @@ class Emojis(metaclass=YAMLGetter): section = "style" subsection = "emojis" - defcon_disabled: str # noqa: E704 - defcon_enabled: str # noqa: E704 - defcon_updated: str # noqa: E704 - - status_online: str - status_offline: str - status_idle: str - status_dnd: str - - badge_staff: str - badge_partner: str - badge_hypesquad: str badge_bug_hunter: str + badge_bug_hunter_level_2: str + badge_early_supporter: str + badge_hypesquad: str + badge_hypesquad_balance: str badge_hypesquad_bravery: str badge_hypesquad_brilliance: str - badge_hypesquad_balance: str - badge_early_supporter: str - badge_bug_hunter_level_2: str + badge_partner: str + badge_staff: str badge_verified_bot_developer: str + defcon_disabled: str # noqa: E704 + defcon_enabled: str # noqa: E704 + defcon_updated: str # noqa: E704 + + failmail: str + incident_actioned: str - incident_unactioned: str incident_investigating: str + incident_unactioned: str + + status_dnd: str + status_idle: str + status_offline: str + status_online: str - failmail: str trashcan: str bullet: str + check_mark: str + cross_mark: str new: str pencil: str - cross_mark: str - check_mark: str - upvotes: str comments: str + upvotes: str user: str + ok_hand: str + class Icons(metaclass=YAMLGetter): section = "style" @@ -315,6 +325,7 @@ class Icons(metaclass=YAMLGetter): filtering: str + green_checkmark: str guild_update: str hash_blurple: str @@ -325,38 +336,34 @@ class Icons(metaclass=YAMLGetter): message_delete: str message_edit: str + pencil: str + + questionmark: str + + remind_blurple: str + remind_green: str + remind_red: str + sign_in: str sign_out: str + superstarify: str + unsuperstarify: str + token_removed: str user_ban: str - user_unban: str - user_update: str - user_mute: str + user_unban: str user_unmute: str + user_update: str user_verified: str - user_warn: str - pencil: str - - remind_blurple: str - remind_green: str - remind_red: str - - questionmark: str - - superstarify: str - unsuperstarify: str - voice_state_blue: str voice_state_green: str voice_state_red: str - green_checkmark: str - class CleanMessages(metaclass=YAMLGetter): section = "bot" @@ -378,8 +385,8 @@ class Categories(metaclass=YAMLGetter): subsection = "categories" help_available: int - help_in_use: int help_dormant: int + help_in_use: int modmail: int voice: int @@ -388,51 +395,67 @@ class Channels(metaclass=YAMLGetter): section = "guild" subsection = "channels" - admin_announcements: int - admin_spam: int - admins: int announcements: int - attachment_log: int - big_brother_logs: int - bot_commands: int change_log: int - code_help_voice: int - code_help_voice_2: int - cooldown: int - defcon: int + mailing_lists: int + python_events: int + python_news: int + reddit: int + user_event_announcements: int + dev_contrib: int dev_core: int dev_log: int + + meta: int + python_general: int + + cooldown: int + + attachment_log: int dm_log: int + message_log: int + mod_log: int + user_log: int + voice_log: int + + off_topic_0: int + off_topic_1: int + off_topic_2: int + + bot_commands: int + discord_py: int esoteric: int + voice_gate: int + + admins: int + admin_spam: int + defcon: int helpers: int - how_to_get_help: int incidents: int incidents_archive: int - mailing_lists: int - message_log: int - meta: int + mods: int mod_alerts: int - mod_announcements: int - mod_log: int mod_spam: int - mods: int - off_topic_0: int - off_topic_1: int - off_topic_2: int organisation: int - python_discussion: int - python_events: int - python_news: int - reddit: int + + admin_announcements: int + mod_announcements: int staff_announcements: int - talent_pool: int - user_event_announcements: int - user_log: int - verification: int + + admins_voice: int + code_help_voice_1: int + code_help_voice_2: int + general_voice: int + staff_voice: int + + code_help_chat_1: int + code_help_chat_2: int + staff_voice_chat: int voice_chat: int - voice_gate: int - voice_log: int + + big_brother_logs: int + talent_pool: int class Webhooks(metaclass=YAMLGetter): @@ -452,41 +475,43 @@ class Roles(metaclass=YAMLGetter): section = "guild" subsection = "roles" - admins: int announcements: int contributors: int - core_developers: int help_cooldown: int - helpers: int - jammers: int - moderators: int muted: int - owners: int partners: int python_community: int sprinters: int - team_leaders: int - unverified: int - verified: int # This is the Developers role on PyDis, here named verified for readability reasons. voice_verified: int + admins: int + core_developers: int + helpers: int + moderators: int + owners: int + + jammers: int + team_leaders: int + class Guild(metaclass=YAMLGetter): section = "guild" id: int invite: str # Discord invite, gets embedded in chat - moderation_channels: List[int] + moderation_categories: List[int] - moderation_roles: List[int] + moderation_channels: List[int] modlog_blacklist: List[int] reminder_whitelist: List[int] + moderation_roles: List[int] staff_roles: List[int] class Keys(metaclass=YAMLGetter): section = "keys" + github: Optional[str] site_api: Optional[str] @@ -508,6 +533,7 @@ class URLs(metaclass=YAMLGetter): site: str site_api: str site_schema: str + site_api_schema: str # Site endpoints site_logs_view: str @@ -517,9 +543,9 @@ class URLs(metaclass=YAMLGetter): class Reddit(metaclass=YAMLGetter): section = "reddit" - subreddits: list client_id: Optional[str] secret: Optional[str] + subreddits: list class AntiSpam(metaclass=YAMLGetter): @@ -535,8 +561,8 @@ class AntiSpam(metaclass=YAMLGetter): class BigBrother(metaclass=YAMLGetter): section = 'big_brother' - log_delay: int header_message_limit: int + log_delay: int class CodeBlock(metaclass=YAMLGetter): @@ -552,8 +578,8 @@ class Free(metaclass=YAMLGetter): section = 'free' activity_timeout: int - cooldown_rate: int cooldown_per: float + cooldown_rate: int class HelpChannels(metaclass=YAMLGetter): @@ -576,38 +602,34 @@ class HelpChannels(metaclass=YAMLGetter): class RedirectOutput(metaclass=YAMLGetter): section = 'redirect_output' - delete_invocation: bool delete_delay: int + delete_invocation: bool class PythonNews(metaclass=YAMLGetter): section = 'python_news' - mail_lists: List[str] channel: int webhook: int - - -class Verification(metaclass=YAMLGetter): - section = "verification" - - unverified_after: int - kicked_after: int - reminder_frequency: int - bot_message_delete_delay: int - kick_confirmation_threshold: float + mail_lists: List[str] class VoiceGate(metaclass=YAMLGetter): section = "voice_gate" - minimum_days_verified: int - minimum_messages: int bot_message_delete_delay: int minimum_activity_blocks: int + minimum_days_member: int + minimum_messages: int voice_ping_delete_delay: int +class Branding(metaclass=YAMLGetter): + section = "branding" + + cycle_frequency: int + + class Event(Enum): """ Event names. This does not include every event (for example, raw @@ -651,6 +673,9 @@ MODERATION_CHANNELS = Guild.moderation_channels # Category combinations MODERATION_CATEGORIES = Guild.moderation_categories +# Git SHA for Sentry +GIT_SHA = os.environ.get("GIT_SHA", "development") + # Bot replies NEGATIVE_REPLIES = [ "Noooooo!!", diff --git a/bot/converters.py b/bot/converters.py index 2e118d476..0d9a519df 100644 --- a/bot/converters.py +++ b/bot/converters.py @@ -350,7 +350,7 @@ class Duration(DurationDelta): try: return now + delta - except ValueError: + except (ValueError, OverflowError): raise BadArgument(f"`{duration}` results in a datetime outside the supported range.") @@ -549,6 +549,35 @@ def _snowflake_from_regex(pattern: t.Pattern, arg: str) -> int: return int(match.group(1)) +class Infraction(Converter): + """ + Attempts to convert a given infraction ID into an infraction. + + Alternatively, `l`, `last`, or `recent` can be passed in order to + obtain the most recent infraction by the actor. + """ + + async def convert(self, ctx: Context, arg: str) -> t.Optional[dict]: + """Attempts to convert `arg` into an infraction `dict`.""" + if arg in ("l", "last", "recent"): + params = { + "actor__id": ctx.author.id, + "ordering": "-inserted_at" + } + + infractions = await ctx.bot.api_client.get("bot/infractions", params=params) + + if not infractions: + raise BadArgument( + "Couldn't find most recent infraction; you have never given an infraction." + ) + else: + return infractions[0] + + else: + return await ctx.bot.api_client.get(f"bot/infractions/{arg}") + + Expiry = t.Union[Duration, ISODateTime] FetchedMember = t.Union[discord.Member, FetchedUser] UserMention = partial(_snowflake_from_regex, RE_USER_MENTION) diff --git a/bot/errors.py b/bot/errors.py index 65d715203..ab0adcd42 100644 --- a/bot/errors.py +++ b/bot/errors.py @@ -1,4 +1,6 @@ -from typing import Hashable +from typing import Hashable, Union + +from discord import Member, User class LockedResourceError(RuntimeError): @@ -18,3 +20,18 @@ class LockedResourceError(RuntimeError): f"Cannot operate on {self.type.lower()} `{self.id}`; " "it is currently locked and in use by another operation." ) + + +class InvalidInfractedUser(Exception): + """ + Exception raised upon attempt of infracting an invalid user. + + Attributes: + `user` -- User or Member which is invalid + """ + + def __init__(self, user: Union[Member, User], reason: str = "User infracted is a bot."): + self.user = user + self.reason = reason + + super().__init__(reason) diff --git a/bot/exts/backend/branding/__init__.py b/bot/exts/backend/branding/__init__.py new file mode 100644 index 000000000..81ea3bf49 --- /dev/null +++ b/bot/exts/backend/branding/__init__.py @@ -0,0 +1,7 @@ +from bot.bot import Bot +from bot.exts.backend.branding._cog import BrandingManager + + +def setup(bot: Bot) -> None: + """Loads BrandingManager cog.""" + bot.add_cog(BrandingManager(bot)) diff --git a/bot/exts/backend/branding/_cog.py b/bot/exts/backend/branding/_cog.py new file mode 100644 index 000000000..20df83a89 --- /dev/null +++ b/bot/exts/backend/branding/_cog.py @@ -0,0 +1,566 @@ +import asyncio +import itertools +import logging +import random +import typing as t +from datetime import datetime, time, timedelta + +import arrow +import async_timeout +import discord +from async_rediscache import RedisCache +from discord.ext import commands + +from bot.bot import Bot +from bot.constants import Branding, Colours, Emojis, Guild, MODERATION_ROLES +from bot.exts.backend.branding import _constants, _decorators, _errors, _seasons + +log = logging.getLogger(__name__) + + +class GitHubFile(t.NamedTuple): + """ + Represents a remote file on GitHub. + + The `sha` hash is kept so that we can determine that a file has changed, + despite its filename remaining unchanged. + """ + + download_url: str + path: str + sha: str + + +def pretty_files(files: t.Iterable[GitHubFile]) -> str: + """Provide a human-friendly representation of `files`.""" + return "\n".join(file.path for file in files) + + +def time_until_midnight() -> timedelta: + """ + Determine amount of time until the next-up UTC midnight. + + The exact `midnight` moment is actually delayed to 5 seconds after, in order + to avoid potential problems due to imprecise sleep. + """ + now = datetime.utcnow() + tomorrow = now + timedelta(days=1) + midnight = datetime.combine(tomorrow, time(second=5)) + + return midnight - now + + +class BrandingManager(commands.Cog): + """ + Manages the guild's branding. + + The purpose of this cog is to help automate the synchronization of the branding + repository with the guild. It is capable of discovering assets in the repository + via GitHub's API, resolving download urls for them, and delegating + to the `bot` instance to upload them to the guild. + + BrandingManager is designed to be entirely autonomous. Its `daemon` background task awakens + once a day (see `time_until_midnight`) to detect new seasons, or to cycle icons within a single + season. The daemon can be turned on and off via the `daemon` cmd group. The value set via + its `start` and `stop` commands is persisted across sessions. If turned on, the daemon will + automatically start on the next bot start-up. Otherwise, it will wait to be started manually. + + All supported operations, e.g. setting seasons, applying the branding, or cycling icons, can + also be invoked manually, via the following API: + + branding list + - Show all available seasons + + branding set <season_name> + - Set the cog's internal state to represent `season_name`, if it exists + - If no `season_name` is given, set chronologically current season + - This will not automatically apply the season's branding to the guild, + the cog's state can be detached from the guild + - Seasons can therefore be 'previewed' using this command + + branding info + - View detailed information about resolved assets for current season + + branding refresh + - Refresh internal state, i.e. synchronize with branding repository + + branding apply + - Apply the current internal state to the guild, i.e. upload the assets + + branding cycle + - If there are multiple available icons for current season, randomly pick + and apply the next one + + The daemon calls these methods autonomously as appropriate. The use of this cog + is locked to moderation roles. As it performs media asset uploads, it is prone to + rate-limits - the `apply` command should be used with caution. The `set` command can, + however, be used freely to 'preview' seasonal branding and check whether paths have been + resolved as appropriate. + + While the bot is in debug mode, it will 'mock' asset uploads by logging the passed + download urls and pretending that the upload was successful. Make use of this + to test this cog's behaviour. + """ + + current_season: t.Type[_seasons.SeasonBase] + + banner: t.Optional[GitHubFile] + + available_icons: t.List[GitHubFile] + remaining_icons: t.List[GitHubFile] + + days_since_cycle: t.Iterator + + daemon: t.Optional[asyncio.Task] + + # Branding configuration + branding_configuration = RedisCache() + + def __init__(self, bot: Bot) -> None: + """ + Assign safe default values on init. + + At this point, we don't have information about currently available branding. + Most of these attributes will be overwritten once the daemon connects, or once + the `refresh` command is used. + """ + self.bot = bot + self.current_season = _seasons.get_current_season() + + self.banner = None + + self.available_icons = [] + self.remaining_icons = [] + + self.days_since_cycle = itertools.cycle([None]) + + self.daemon = None + self._startup_task = self.bot.loop.create_task(self._initial_start_daemon()) + + async def _initial_start_daemon(self) -> None: + """Checks is daemon active and when is, start it at cog load.""" + if await self.branding_configuration.get("daemon_active"): + self.daemon = self.bot.loop.create_task(self._daemon_func()) + + @property + def _daemon_running(self) -> bool: + """True if the daemon is currently active, False otherwise.""" + return self.daemon is not None and not self.daemon.done() + + async def _daemon_func(self) -> None: + """ + Manage all automated behaviour of the BrandingManager cog. + + Once a day, the daemon will perform the following tasks: + - Update `current_season` + - Poll GitHub API to see if the available branding for `current_season` has changed + - Update assets if changes are detected (banner, guild icon, bot avatar, bot nickname) + - Check whether it's time to cycle guild icons + + The internal loop runs once when activated, then periodically at the time + given by `time_until_midnight`. + + All method calls in the internal loop are considered safe, i.e. no errors propagate + to the daemon's loop. The daemon itself does not perform any error handling on its own. + """ + await self.bot.wait_until_guild_available() + + while True: + self.current_season = _seasons.get_current_season() + branding_changed = await self.refresh() + + if branding_changed: + await self.apply() + + elif next(self.days_since_cycle) == Branding.cycle_frequency: + await self.cycle() + + until_midnight = time_until_midnight() + await asyncio.sleep(until_midnight.total_seconds()) + + async def _info_embed(self) -> discord.Embed: + """Make an informative embed representing current season.""" + info_embed = discord.Embed(description=self.current_season.description, colour=self.current_season.colour) + + # If we're in a non-evergreen season, also show active months + if self.current_season is not _seasons.SeasonBase: + title = f"{self.current_season.season_name} ({', '.join(str(m) for m in self.current_season.months)})" + else: + title = self.current_season.season_name + + # Use the author field to show the season's name and avatar if available + info_embed.set_author(name=title) + + banner = self.banner.path if self.banner is not None else "Unavailable" + info_embed.add_field(name="Banner", value=banner, inline=False) + + icons = pretty_files(self.available_icons) or "Unavailable" + info_embed.add_field(name="Available icons", value=icons, inline=False) + + # Only display cycle frequency if we're actually cycling + if len(self.available_icons) > 1 and Branding.cycle_frequency: + info_embed.set_footer(text=f"Icon cycle frequency: {Branding.cycle_frequency}") + + return info_embed + + async def _reset_remaining_icons(self) -> None: + """Set `remaining_icons` to a shuffled copy of `available_icons`.""" + self.remaining_icons = random.sample(self.available_icons, k=len(self.available_icons)) + + async def _reset_days_since_cycle(self) -> None: + """ + Reset the `days_since_cycle` iterator based on configured frequency. + + If the current season only has 1 icon, or if `Branding.cycle_frequency` is falsey, + the iterator will always yield None. This signals that the icon shouldn't be cycled. + + Otherwise, it will yield ints in range [1, `Branding.cycle_frequency`] indefinitely. + When the iterator yields a value equal to `Branding.cycle_frequency`, it is time to cycle. + """ + if len(self.available_icons) > 1 and Branding.cycle_frequency: + sequence = range(1, Branding.cycle_frequency + 1) + else: + sequence = [None] + + self.days_since_cycle = itertools.cycle(sequence) + + async def _get_files(self, path: str, include_dirs: bool = False) -> t.Dict[str, GitHubFile]: + """ + Get files at `path` in the branding repository. + + If `include_dirs` is False (default), only returns files at `path`. + Otherwise, will return both files and directories. Never returns symlinks. + + Return dict mapping from filename to corresponding `GitHubFile` instance. + This may return an empty dict if the response status is non-200, + or if the target directory is empty. + """ + url = f"{_constants.BRANDING_URL}/{path}" + async with self.bot.http_session.get( + url, headers=_constants.HEADERS, params=_constants.PARAMS + ) as resp: + # Short-circuit if we get non-200 response + if resp.status != _constants.STATUS_OK: + log.error(f"GitHub API returned non-200 response: {resp}") + return {} + directory = await resp.json() # Directory at `path` + + allowed_types = {"file", "dir"} if include_dirs else {"file"} + return { + file["name"]: GitHubFile(file["download_url"], file["path"], file["sha"]) + for file in directory + if file["type"] in allowed_types + } + + async def refresh(self) -> bool: + """ + Synchronize available assets with branding repository. + + If the current season is not the evergreen, and lacks at least one asset, + we use the evergreen seasonal dir as fallback for missing assets. + + Finally, if neither the seasonal nor fallback branding directories contain + an asset, it will simply be ignored. + + Return True if the branding has changed. This will be the case when we enter + a new season, or when something changes in the current seasons's directory + in the branding repository. + """ + old_branding = (self.banner, self.available_icons) + seasonal_dir = await self._get_files(self.current_season.branding_path, include_dirs=True) + + # Only make a call to the fallback directory if there is something to be gained + branding_incomplete = any( + asset not in seasonal_dir + for asset in (_constants.FILE_BANNER, _constants.FILE_AVATAR, _constants.SERVER_ICONS) + ) + if branding_incomplete and self.current_season is not _seasons.SeasonBase: + fallback_dir = await self._get_files( + _seasons.SeasonBase.branding_path, include_dirs=True + ) + else: + fallback_dir = {} + + # Resolve assets in this directory, None is a safe value + self.banner = ( + seasonal_dir.get(_constants.FILE_BANNER) + or fallback_dir.get(_constants.FILE_BANNER) + ) + + # Now resolve server icons by making a call to the proper sub-directory + if _constants.SERVER_ICONS in seasonal_dir: + icons_dir = await self._get_files( + f"{self.current_season.branding_path}/{_constants.SERVER_ICONS}" + ) + self.available_icons = list(icons_dir.values()) + + elif _constants.SERVER_ICONS in fallback_dir: + icons_dir = await self._get_files( + f"{_seasons.SeasonBase.branding_path}/{_constants.SERVER_ICONS}" + ) + self.available_icons = list(icons_dir.values()) + + else: + self.available_icons = [] # This should never be the case, but an empty list is a safe value + + # GitHubFile instances carry a `sha` attr so this will pick up if a file changes + branding_changed = old_branding != (self.banner, self.available_icons) + + if branding_changed: + log.info(f"New branding detected (season: {self.current_season.season_name})") + await self._reset_remaining_icons() + await self._reset_days_since_cycle() + + return branding_changed + + async def cycle(self) -> bool: + """ + Apply the next-up server icon. + + Returns True if an icon is available and successfully gets applied, False otherwise. + """ + if not self.available_icons: + log.info("Cannot cycle: no icons for this season") + return False + + if not self.remaining_icons: + log.info("Reset & shuffle remaining icons") + await self._reset_remaining_icons() + + next_up = self.remaining_icons.pop(0) + success = await self.set_icon(next_up.download_url) + + return success + + async def apply(self) -> t.List[str]: + """ + Apply current branding to the guild and bot. + + This delegates to the bot instance to do all the work. We only provide download urls + for available assets. Assets unavailable in the branding repo will be ignored. + + Returns a list of names of all failed assets. An asset is considered failed + if it isn't found in the branding repo, or if something goes wrong while the + bot is trying to apply it. + + An empty list denotes that all assets have been applied successfully. + """ + report = {asset: False for asset in ("banner", "icon")} + + if self.banner is not None: + report["banner"] = await self.set_banner(self.banner.download_url) + + report["icon"] = await self.cycle() + + failed_assets = [asset for asset, succeeded in report.items() if not succeeded] + return failed_assets + + @commands.has_any_role(*MODERATION_ROLES) + @commands.group(name="branding") + async def branding_cmds(self, ctx: commands.Context) -> None: + """Manual branding control.""" + if not ctx.invoked_subcommand: + await ctx.send_help(ctx.command) + + @branding_cmds.command(name="list", aliases=["ls"]) + async def branding_list(self, ctx: commands.Context) -> None: + """List all available seasons and branding sources.""" + embed = discord.Embed(title="Available seasons", colour=Colours.soft_green) + + for season in _seasons.get_all_seasons(): + if season is _seasons.SeasonBase: + active_when = "always" + else: + active_when = f"in {', '.join(str(m) for m in season.months)}" + + description = ( + f"Active {active_when}\n" + f"Branding: {season.branding_path}" + ) + embed.add_field(name=season.season_name, value=description, inline=False) + + await ctx.send(embed=embed) + + @branding_cmds.command(name="set") + async def branding_set(self, ctx: commands.Context, *, season_name: t.Optional[str] = None) -> None: + """ + Manually set season, or reset to current if none given. + + Season search is a case-less comparison against both seasonal class name, + and its `season_name` attr. + + This only pre-loads the cog's internal state to the chosen season, but does not + automatically apply the branding. As that is an expensive operation, the `apply` + command must be called explicitly after this command finishes. + + This means that this command can be used to 'preview' a season gathering info + about its available assets, without applying them to the guild. + + If the daemon is running, it will automatically reset the season to current when + it wakes up. The season set via this command can therefore remain 'detached' from + what it should be - the daemon will make sure that it's set back properly. + """ + if season_name is None: + new_season = _seasons.get_current_season() + else: + new_season = _seasons.get_season(season_name) + if new_season is None: + raise _errors.BrandingError("No such season exists") + + if self.current_season is new_season: + raise _errors.BrandingError(f"Season {self.current_season.season_name} already active") + + self.current_season = new_season + await self.branding_refresh(ctx) + + @branding_cmds.command(name="info", aliases=["status"]) + async def branding_info(self, ctx: commands.Context) -> None: + """ + Show available assets for current season. + + This can be used to confirm that assets have been resolved properly. + When `apply` is used, it attempts to upload exactly the assets listed here. + """ + await ctx.send(embed=await self._info_embed()) + + @branding_cmds.command(name="refresh") + async def branding_refresh(self, ctx: commands.Context) -> None: + """Sync currently available assets with branding repository.""" + async with ctx.typing(): + await self.refresh() + await self.branding_info(ctx) + + @branding_cmds.command(name="apply") + async def branding_apply(self, ctx: commands.Context) -> None: + """ + Apply current season's branding to the guild. + + Use `info` to check which assets will be applied. Shows which assets have + failed to be applied, if any. + """ + async with ctx.typing(): + failed_assets = await self.apply() + if failed_assets: + raise _errors.BrandingError( + f"Failed to apply following assets: {', '.join(failed_assets)}" + ) + + response = discord.Embed(description=f"All assets applied {Emojis.ok_hand}", colour=Colours.soft_green) + await ctx.send(embed=response) + + @branding_cmds.command(name="cycle") + async def branding_cycle(self, ctx: commands.Context) -> None: + """ + Apply the next-up guild icon, if multiple are available. + + The order is random. + """ + async with ctx.typing(): + success = await self.cycle() + if not success: + raise _errors.BrandingError("Failed to cycle icon") + + response = discord.Embed(description=f"Success {Emojis.ok_hand}", colour=Colours.soft_green) + await ctx.send(embed=response) + + @branding_cmds.group(name="daemon", aliases=["d", "task"]) + async def daemon_group(self, ctx: commands.Context) -> None: + """Control the background daemon.""" + if not ctx.invoked_subcommand: + await ctx.send_help(ctx.command) + + @daemon_group.command(name="status") + async def daemon_status(self, ctx: commands.Context) -> None: + """Check whether daemon is currently active.""" + if self._daemon_running: + remaining_time = (arrow.utcnow() + time_until_midnight()).humanize() + response = discord.Embed(description=f"Daemon running {Emojis.ok_hand}", colour=Colours.soft_green) + response.set_footer(text=f"Next refresh {remaining_time}") + else: + response = discord.Embed(description="Daemon not running", colour=Colours.soft_red) + + await ctx.send(embed=response) + + @daemon_group.command(name="start") + async def daemon_start(self, ctx: commands.Context) -> None: + """If the daemon isn't running, start it.""" + if self._daemon_running: + raise _errors.BrandingError("Daemon already running!") + + self.daemon = self.bot.loop.create_task(self._daemon_func()) + await self.branding_configuration.set("daemon_active", True) + + response = discord.Embed(description=f"Daemon started {Emojis.ok_hand}", colour=Colours.soft_green) + await ctx.send(embed=response) + + @daemon_group.command(name="stop") + async def daemon_stop(self, ctx: commands.Context) -> None: + """If the daemon is running, stop it.""" + if not self._daemon_running: + raise _errors.BrandingError("Daemon not running!") + + self.daemon.cancel() + await self.branding_configuration.set("daemon_active", False) + + response = discord.Embed(description=f"Daemon stopped {Emojis.ok_hand}", colour=Colours.soft_green) + await ctx.send(embed=response) + + async def _fetch_image(self, url: str) -> bytes: + """Retrieve and read image from `url`.""" + log.debug(f"Getting image from: {url}") + async with self.bot.http_session.get(url) as resp: + return await resp.read() + + async def _apply_asset(self, target: discord.Guild, asset: _constants.AssetType, url: str) -> bool: + """ + Internal method for applying media assets to the guild. + + This shouldn't be called directly. The purpose of this method is mainly generic + error handling to reduce needless code repetition. + + Return True if upload was successful, False otherwise. + """ + log.info(f"Attempting to set {asset.name}: {url}") + + kwargs = {asset.value: await self._fetch_image(url)} + try: + async with async_timeout.timeout(5): + await target.edit(**kwargs) + + except asyncio.TimeoutError: + log.info("Asset upload timed out") + return False + + except discord.HTTPException as discord_error: + log.exception("Asset upload failed", exc_info=discord_error) + return False + + else: + log.info("Asset successfully applied") + return True + + @_decorators.mock_in_debug(return_value=True) + async def set_banner(self, url: str) -> bool: + """Set the guild's banner to image at `url`.""" + guild = self.bot.get_guild(Guild.id) + if guild is None: + log.info("Failed to get guild instance, aborting asset upload") + return False + + return await self._apply_asset(guild, _constants.AssetType.BANNER, url) + + @_decorators.mock_in_debug(return_value=True) + async def set_icon(self, url: str) -> bool: + """Sets the guild's icon to image at `url`.""" + guild = self.bot.get_guild(Guild.id) + if guild is None: + log.info("Failed to get guild instance, aborting asset upload") + return False + + return await self._apply_asset(guild, _constants.AssetType.SERVER_ICON, url) + + def cog_unload(self) -> None: + """Cancels startup and daemon task.""" + self._startup_task.cancel() + if self.daemon is not None: + self.daemon.cancel() diff --git a/bot/exts/backend/branding/_constants.py b/bot/exts/backend/branding/_constants.py new file mode 100644 index 000000000..dbc7615f2 --- /dev/null +++ b/bot/exts/backend/branding/_constants.py @@ -0,0 +1,51 @@ +from enum import Enum, IntEnum + +from bot.constants import Keys + + +class Month(IntEnum): + """All month constants for seasons.""" + + JANUARY = 1 + FEBRUARY = 2 + MARCH = 3 + APRIL = 4 + MAY = 5 + JUNE = 6 + JULY = 7 + AUGUST = 8 + SEPTEMBER = 9 + OCTOBER = 10 + NOVEMBER = 11 + DECEMBER = 12 + + def __str__(self) -> str: + return self.name.title() + + +class AssetType(Enum): + """ + Discord media assets. + + The values match exactly the kwarg keys that can be passed to `Guild.edit`. + """ + + BANNER = "banner" + SERVER_ICON = "icon" + + +STATUS_OK = 200 # HTTP status code + +FILE_BANNER = "banner.png" +FILE_AVATAR = "avatar.png" +SERVER_ICONS = "server_icons" + +BRANDING_URL = "https://api.github.com/repos/python-discord/branding/contents" + +PARAMS = {"ref": "master"} # Target branch +HEADERS = {"Accept": "application/vnd.github.v3+json"} # Ensure we use API v3 + +# A GitHub token is not necessary for the cog to operate, +# unauthorized requests are however limited to 60 per hour +if Keys.github: + HEADERS["Authorization"] = f"token {Keys.github}" diff --git a/bot/exts/backend/branding/_decorators.py b/bot/exts/backend/branding/_decorators.py new file mode 100644 index 000000000..6a1e7e869 --- /dev/null +++ b/bot/exts/backend/branding/_decorators.py @@ -0,0 +1,27 @@ +import functools +import logging +import typing as t + +from bot.constants import DEBUG_MODE + +log = logging.getLogger(__name__) + + +def mock_in_debug(return_value: t.Any) -> t.Callable: + """ + Short-circuit function execution if in debug mode and return `return_value`. + + The original function name, and the incoming args and kwargs are DEBUG level logged + upon each call. This is useful for expensive operations, i.e. media asset uploads + that are prone to rate-limits but need to be tested extensively. + """ + def decorator(func: t.Callable) -> t.Callable: + @functools.wraps(func) + async def wrapped(*args, **kwargs) -> t.Any: + """Short-circuit and log if in debug mode.""" + if DEBUG_MODE: + log.debug(f"Function {func.__name__} called with args: {args}, kwargs: {kwargs}") + return return_value + return await func(*args, **kwargs) + return wrapped + return decorator diff --git a/bot/exts/backend/branding/_errors.py b/bot/exts/backend/branding/_errors.py new file mode 100644 index 000000000..7cd271af3 --- /dev/null +++ b/bot/exts/backend/branding/_errors.py @@ -0,0 +1,2 @@ +class BrandingError(Exception): + """Exception raised by the BrandingManager cog.""" diff --git a/bot/exts/backend/branding/_seasons.py b/bot/exts/backend/branding/_seasons.py new file mode 100644 index 000000000..5f6256b30 --- /dev/null +++ b/bot/exts/backend/branding/_seasons.py @@ -0,0 +1,175 @@ +import logging +import typing as t +from datetime import datetime + +from bot.constants import Colours +from bot.exts.backend.branding._constants import Month +from bot.exts.backend.branding._errors import BrandingError + +log = logging.getLogger(__name__) + + +class SeasonBase: + """ + Base for Seasonal classes. + + This serves as the off-season fallback for when no specific + seasons are active. + + Seasons are 'registered' simply by inheriting from `SeasonBase`. + We discover them by calling `__subclasses__`. + """ + + season_name: str = "Evergreen" + + colour: str = Colours.soft_green + description: str = "The default season!" + + branding_path: str = "seasonal/evergreen" + + months: t.Set[Month] = set(Month) + + +class Christmas(SeasonBase): + """Branding for December.""" + + season_name = "Festive season" + + colour = Colours.soft_red + description = ( + "The time is here to get into the festive spirit! No matter who you are, where you are, " + "or what beliefs you may follow, we hope every one of you enjoy this festive season!" + ) + + branding_path = "seasonal/christmas" + + months = {Month.DECEMBER} + + +class Easter(SeasonBase): + """Branding for April.""" + + season_name = "Easter" + + colour = Colours.bright_green + description = ( + "Bunny here, bunny there, bunny everywhere! Here at Python Discord, we celebrate " + "our version of Easter during the entire month of April." + ) + + branding_path = "seasonal/easter" + + months = {Month.APRIL} + + +class Halloween(SeasonBase): + """Branding for October.""" + + season_name = "Halloween" + + colour = Colours.orange + description = "Trick or treat?!" + + branding_path = "seasonal/halloween" + + months = {Month.OCTOBER} + + +class Pride(SeasonBase): + """Branding for June.""" + + season_name = "Pride" + + colour = Colours.pink + description = ( + "The month of June is a special month for us at Python Discord. It is very important to us " + "that everyone feels welcome here, no matter their origin, identity or sexuality. During the " + "month of June, while some of you are participating in Pride festivals across the world, " + "we will be celebrating individuality and commemorating the history and challenges " + "of the LGBTQ+ community with a Pride event of our own!" + ) + + branding_path = "seasonal/pride" + + months = {Month.JUNE} + + +class Valentines(SeasonBase): + """Branding for February.""" + + season_name = "Valentines" + + colour = Colours.pink + description = "Love is in the air!" + + branding_path = "seasonal/valentines" + + months = {Month.FEBRUARY} + + +class Wildcard(SeasonBase): + """Branding for August.""" + + season_name = "Wildcard" + + colour = Colours.purple + description = "A season full of surprises!" + + months = {Month.AUGUST} + + +def get_all_seasons() -> t.List[t.Type[SeasonBase]]: + """Give all available season classes.""" + return [SeasonBase] + SeasonBase.__subclasses__() + + +def get_current_season() -> t.Type[SeasonBase]: + """Give active season, based on current UTC month.""" + current_month = Month(datetime.utcnow().month) + + active_seasons = tuple( + season + for season in SeasonBase.__subclasses__() + if current_month in season.months + ) + + if not active_seasons: + return SeasonBase + + return active_seasons[0] + + +def get_season(name: str) -> t.Optional[t.Type[SeasonBase]]: + """ + Give season such that its class name or its `season_name` attr match `name` (caseless). + + If no such season exists, return None. + """ + name = name.casefold() + + for season in get_all_seasons(): + matches = (season.__name__.casefold(), season.season_name.casefold()) + + if name in matches: + return season + + +def _validate_season_overlap() -> None: + """ + Raise BrandingError if there are any colliding seasons. + + This serves as a local test to ensure that seasons haven't been misconfigured. + """ + month_to_season = {} + + for season in SeasonBase.__subclasses__(): + for month in season.months: + colliding_season = month_to_season.get(month) + + if colliding_season: + raise BrandingError(f"Season {season} collides with {colliding_season} in {month.name}") + else: + month_to_season[month] = season + + +_validate_season_overlap() diff --git a/bot/exts/backend/error_handler.py b/bot/exts/backend/error_handler.py index 533d8024b..5351f8267 100644 --- a/bot/exts/backend/error_handler.py +++ b/bot/exts/backend/error_handler.py @@ -1,5 +1,7 @@ import contextlib +import difflib import logging +import random import typing as t from discord import Embed @@ -8,9 +10,10 @@ from sentry_sdk import push_scope from bot.api import ResponseCodeError from bot.bot import Bot -from bot.constants import Channels, Colours +from bot.constants import Colours, ERROR_REPLIES, Icons, MODERATION_ROLES from bot.converters import TagNameConverter -from bot.errors import LockedResourceError +from bot.errors import InvalidInfractedUser, LockedResourceError +from bot.exts.backend.branding._errors import BrandingError from bot.utils.checks import InWhitelistCheckFailure log = logging.getLogger(__name__) @@ -47,7 +50,6 @@ class ErrorHandler(Cog): * If CommandNotFound is raised when invoking the tag (determined by the presence of the `invoked_from_error_handler` attribute), this error is treated as being unexpected and therefore sends an error message - * Commands in the verification channel are ignored 2. UserInputError: see `handle_user_input_error` 3. CheckFailure: see `handle_check_failure` 4. CommandOnCooldown: send an error message in the invoking context @@ -63,10 +65,9 @@ class ErrorHandler(Cog): if isinstance(e, errors.CommandNotFound) and not getattr(ctx, "invoked_from_error_handler", False): if await self.try_silence(ctx): return - if ctx.channel.id != Channels.verification: - # Try to look for a tag with the command's name - await self.try_get_tag(ctx) - return # Exit early to avoid logging. + # Try to look for a tag with the command's name + await self.try_get_tag(ctx) + return # Exit early to avoid logging. elif isinstance(e, errors.UserInputError): await self.handle_user_input_error(ctx, e) elif isinstance(e, errors.CheckFailure): @@ -78,11 +79,22 @@ class ErrorHandler(Cog): await self.handle_api_error(ctx, e.original) elif isinstance(e.original, LockedResourceError): await ctx.send(f"{e.original} Please wait for it to finish and try again later.") + elif isinstance(e.original, BrandingError): + await ctx.send(embed=self._get_error_embed(random.choice(ERROR_REPLIES), str(e.original))) + return + elif isinstance(e.original, InvalidInfractedUser): + await ctx.send(f"Cannot infract that user. {e.original.reason}") + else: + await self.handle_unexpected_error(ctx, e.original) + return # Exit early to avoid logging. + elif isinstance(e, errors.ConversionError): + if isinstance(e.original, ResponseCodeError): + await self.handle_api_error(ctx, e.original) else: await self.handle_unexpected_error(ctx, e.original) return # Exit early to avoid logging. elif not isinstance(e, errors.DisabledCommand): - # ConversionError, MaxConcurrencyReached, ExtensionError + # MaxConcurrencyReached, ExtensionError await self.handle_unexpected_error(ctx, e) return # Exit early to avoid logging. @@ -156,10 +168,46 @@ class ErrorHandler(Cog): ) else: with contextlib.suppress(ResponseCodeError): - await ctx.invoke(tags_get_command, tag_name=tag_name) + if await ctx.invoke(tags_get_command, tag_name=tag_name): + return + + if not any(role.id in MODERATION_ROLES for role in ctx.author.roles): + await self.send_command_suggestion(ctx, ctx.invoked_with) + # Return to not raise the exception return + async def send_command_suggestion(self, ctx: Context, command_name: str) -> None: + """Sends user similar commands if any can be found.""" + # No similar tag found, or tag on cooldown - + # searching for a similar command + raw_commands = [] + for cmd in self.bot.walk_commands(): + if not cmd.hidden: + raw_commands += (cmd.name, *cmd.aliases) + if similar_command_data := difflib.get_close_matches(command_name, raw_commands, 1): + similar_command_name = similar_command_data[0] + similar_command = self.bot.get_command(similar_command_name) + + if not similar_command: + return + + log_msg = "Cancelling attempt to suggest a command due to failed checks." + try: + if not await similar_command.can_run(ctx): + log.debug(log_msg) + return + except errors.CommandError as cmd_error: + log.debug(log_msg) + await self.on_command_error(ctx, cmd_error) + return + + misspelled_content = ctx.message.content + e = Embed() + e.set_author(name="Did you mean:", icon_url=Icons.questionmark) + e.description = f"{misspelled_content.replace(command_name, similar_command_name, 1)}" + await ctx.send(embed=e, delete_after=10.0) + async def handle_user_input_error(self, ctx: Context, e: errors.UserInputError) -> None: """ Send an error message in `ctx` for UserInputError, sometimes invoking the help command too. diff --git a/bot/exts/backend/sync/_syncers.py b/bot/exts/backend/sync/_syncers.py index 2eb9f9971..c9f2d2da8 100644 --- a/bot/exts/backend/sync/_syncers.py +++ b/bot/exts/backend/sync/_syncers.py @@ -5,12 +5,15 @@ from collections import namedtuple from discord import Guild from discord.ext.commands import Context +from more_itertools import chunked import bot from bot.api import ResponseCodeError log = logging.getLogger(__name__) +CHUNK_SIZE = 1000 + # These objects are declared as namedtuples because tuples are hashable, # something that we make use of when diffing site roles against guild roles. _Role = namedtuple('Role', ('id', 'name', 'colour', 'permissions', 'position')) @@ -207,10 +210,13 @@ class UserSyncer(Syncer): @staticmethod async def _sync(diff: _Diff) -> None: """Synchronise the database with the user cache of `guild`.""" + # Using asyncio.gather would still consume too many resources on the site. log.trace("Syncing created users...") if diff.created: - await bot.instance.api_client.post("bot/users", json=diff.created) + for chunk in chunked(diff.created, CHUNK_SIZE): + await bot.instance.api_client.post("bot/users", json=chunk) log.trace("Syncing updated users...") if diff.updated: - await bot.instance.api_client.patch("bot/users/bulk_patch", json=diff.updated) + for chunk in chunked(diff.updated, CHUNK_SIZE): + await bot.instance.api_client.patch("bot/users/bulk_patch", json=chunk) diff --git a/bot/exts/filters/filtering.py b/bot/exts/filters/filtering.py index 208fc9e1f..3527bf8bb 100644 --- a/bot/exts/filters/filtering.py +++ b/bot/exts/filters/filtering.py @@ -48,7 +48,6 @@ class Stats(NamedTuple): message_content: str additional_embeds: Optional[List[discord.Embed]] - additional_embeds_msg: Optional[str] class Filtering(Cog): @@ -358,7 +357,6 @@ class Filtering(Cog): channel_id=Channels.mod_alerts, ping_everyone=ping_everyone, additional_embeds=stats.additional_embeds, - additional_embeds_msg=stats.additional_embeds_msg ) def _add_stats(self, name: str, match: FilterMatch, content: str) -> Stats: @@ -375,7 +373,6 @@ class Filtering(Cog): message_content = content additional_embeds = None - additional_embeds_msg = None self.bot.stats.incr(f"filters.{name}") @@ -392,13 +389,11 @@ class Filtering(Cog): embed.set_thumbnail(url=data["icon"]) embed.set_footer(text=f"Guild ID: {data['id']}") additional_embeds.append(embed) - additional_embeds_msg = "For the following guild(s):" elif name == "watch_rich_embeds": additional_embeds = match - additional_embeds_msg = "With the following embed(s):" - return Stats(message_content, additional_embeds, additional_embeds_msg) + return Stats(message_content, additional_embeds) @staticmethod def _check_filter(msg: Message) -> bool: diff --git a/bot/exts/fun/duck_pond.py b/bot/exts/fun/duck_pond.py index 48aa2749c..ee440dec2 100644 --- a/bot/exts/fun/duck_pond.py +++ b/bot/exts/fun/duck_pond.py @@ -3,7 +3,7 @@ import logging from typing import Union import discord -from discord import Color, Embed, Member, Message, RawReactionActionEvent, User, errors +from discord import Color, Embed, Member, Message, RawReactionActionEvent, TextChannel, User, errors from discord.ext.commands import Cog, Context, command from bot import constants @@ -44,6 +44,17 @@ class DuckPond(Cog): return True return False + @staticmethod + def is_helper_viewable(channel: TextChannel) -> bool: + """Check if helpers can view a specific channel.""" + guild = channel.guild + helper_role = guild.get_role(constants.Roles.helpers) + # check channel overwrites for both the Helper role and @everyone and + # return True for channels that they have permissions to view. + helper_overwrites = channel.overwrites_for(helper_role) + default_overwrites = channel.overwrites_for(guild.default_role) + return default_overwrites.view_channel is None or helper_overwrites.view_channel is True + async def has_green_checkmark(self, message: Message) -> bool: """Check if the message has a green checkmark reaction.""" for reaction in message.reactions: @@ -107,7 +118,7 @@ class DuckPond(Cog): except discord.HTTPException: log.exception("Failed to send an attachment to the webhook") - async def locked_relay(self, message: discord.Message) -> bool: + async def locked_relay(self, message: Message) -> bool: """Relay a message after obtaining the relay lock.""" if self.relay_lock is None: # Lazily load the lock to ensure it's created within the @@ -162,6 +173,10 @@ class DuckPond(Cog): if channel is None: return + # Was the message sent in a channel Helpers can see? + if not self.is_helper_viewable(channel): + return + message = await channel.fetch_message(payload.message_id) member = discord.utils.get(message.guild.members, id=payload.user_id) @@ -201,7 +216,7 @@ class DuckPond(Cog): @command(name="duckify", aliases=("duckpond", "pondify")) @has_any_role(constants.Roles.admins) - async def duckify(self, ctx: Context, message: discord.Message) -> None: + async def duckify(self, ctx: Context, message: Message) -> None: """Relay a message to the duckpond, no ducks required!""" if await self.locked_relay(message): await ctx.message.add_reaction("🦆") diff --git a/bot/exts/help_channels.py b/bot/exts/help_channels.py deleted file mode 100644 index ced2f72ef..000000000 --- a/bot/exts/help_channels.py +++ /dev/null @@ -1,940 +0,0 @@ -import asyncio -import json -import logging -import random -import typing as t -from collections import deque -from datetime import datetime, timedelta, timezone -from pathlib import Path - -import discord -import discord.abc -from async_rediscache import RedisCache -from discord.ext import commands - -from bot import constants -from bot.bot import Bot -from bot.utils import channel as channel_utils -from bot.utils.scheduling import Scheduler - -log = logging.getLogger(__name__) - -ASKING_GUIDE_URL = "https://pythondiscord.com/pages/asking-good-questions/" -MAX_CHANNELS_PER_CATEGORY = 50 -EXCLUDED_CHANNELS = (constants.Channels.how_to_get_help, constants.Channels.cooldown) - -HELP_CHANNEL_TOPIC = """ -This is a Python help channel. You can claim your own help channel in the Python Help: Available category. -""" - -AVAILABLE_MSG = f""" -**Send your question here to claim the channel** -This channel will be dedicated to answering your question only. Others will try to answer and help you solve the issue. - -**Keep in mind:** -• It's always ok to just ask your question. You don't need permission. -• Explain what you expect to happen and what actually happens. -• Include a code sample and error message, if you got any. - -For more tips, check out our guide on **[asking good questions]({ASKING_GUIDE_URL})**. -""" - -AVAILABLE_TITLE = "Available help channel" - -AVAILABLE_FOOTER = f"Closes after {constants.HelpChannels.idle_minutes} minutes of inactivity or when you send !close." - -DORMANT_MSG = f""" -This help channel has been marked as **dormant**, and has been moved into the **Help: Dormant** \ -category at the bottom of the channel list. It is no longer possible to send messages in this \ -channel until it becomes available again. - -If your question wasn't answered yet, you can claim a new help channel from the \ -**Help: Available** category by simply asking your question again. Consider rephrasing the \ -question to maximize your chance of getting a good answer. If you're not sure how, have a look \ -through our guide for **[asking a good question]({ASKING_GUIDE_URL})**. -""" - -CoroutineFunc = t.Callable[..., t.Coroutine] - - -class HelpChannels(commands.Cog): - """ - Manage the help channel system of the guild. - - The system is based on a 3-category system: - - Available Category - - * Contains channels which are ready to be occupied by someone who needs help - * Will always contain `constants.HelpChannels.max_available` channels; refilled automatically - from the pool of dormant channels - * Prioritise using the channels which have been dormant for the longest amount of time - * If there are no more dormant channels, the bot will automatically create a new one - * If there are no dormant channels to move, helpers will be notified (see `notify()`) - * When a channel becomes available, the dormant embed will be edited to show `AVAILABLE_MSG` - * User can only claim a channel at an interval `constants.HelpChannels.claim_minutes` - * To keep track of cooldowns, user which claimed a channel will have a temporary role - - In Use Category - - * Contains all channels which are occupied by someone needing help - * Channel moves to dormant category after `constants.HelpChannels.idle_minutes` of being idle - * Command can prematurely mark a channel as dormant - * Channel claimant is allowed to use the command - * Allowed roles for the command are configurable with `constants.HelpChannels.cmd_whitelist` - * When a channel becomes dormant, an embed with `DORMANT_MSG` will be sent - - Dormant Category - - * Contains channels which aren't in use - * Channels are used to refill the Available category - - Help channels are named after the chemical elements in `bot/resources/elements.json`. - """ - - # This cache tracks which channels are claimed by which members. - # RedisCache[discord.TextChannel.id, t.Union[discord.User.id, discord.Member.id]] - help_channel_claimants = RedisCache() - - # This cache maps a help channel to whether it has had any - # activity other than the original claimant. True being no other - # activity and False being other activity. - # RedisCache[discord.TextChannel.id, bool] - unanswered = RedisCache() - - # This dictionary maps a help channel to the time it was claimed - # RedisCache[discord.TextChannel.id, UtcPosixTimestamp] - claim_times = RedisCache() - - # This cache maps a help channel to original question message in same channel. - # RedisCache[discord.TextChannel.id, discord.Message.id] - question_messages = RedisCache() - - def __init__(self, bot: Bot): - self.bot = bot - self.scheduler = Scheduler(self.__class__.__name__) - - # Categories - self.available_category: discord.CategoryChannel = None - self.in_use_category: discord.CategoryChannel = None - self.dormant_category: discord.CategoryChannel = None - - # Queues - self.channel_queue: asyncio.Queue[discord.TextChannel] = None - self.name_queue: t.Deque[str] = None - - self.name_positions = self.get_names() - self.last_notification: t.Optional[datetime] = None - - # Asyncio stuff - self.queue_tasks: t.List[asyncio.Task] = [] - self.ready = asyncio.Event() - self.on_message_lock = asyncio.Lock() - self.init_task = self.bot.loop.create_task(self.init_cog()) - - def cog_unload(self) -> None: - """Cancel the init task and scheduled tasks when the cog unloads.""" - log.trace("Cog unload: cancelling the init_cog task") - self.init_task.cancel() - - log.trace("Cog unload: cancelling the channel queue tasks") - for task in self.queue_tasks: - task.cancel() - - self.scheduler.cancel_all() - - def create_channel_queue(self) -> asyncio.Queue: - """ - Return a queue of dormant channels to use for getting the next available channel. - - The channels are added to the queue in a random order. - """ - log.trace("Creating the channel queue.") - - channels = list(self.get_category_channels(self.dormant_category)) - random.shuffle(channels) - - log.trace("Populating the channel queue with channels.") - queue = asyncio.Queue() - for channel in channels: - queue.put_nowait(channel) - - return queue - - async def create_dormant(self) -> t.Optional[discord.TextChannel]: - """ - Create and return a new channel in the Dormant category. - - The new channel will sync its permission overwrites with the category. - - Return None if no more channel names are available. - """ - log.trace("Getting a name for a new dormant channel.") - - try: - name = self.name_queue.popleft() - except IndexError: - log.debug("No more names available for new dormant channels.") - return None - - log.debug(f"Creating a new dormant channel named {name}.") - return await self.dormant_category.create_text_channel(name, topic=HELP_CHANNEL_TOPIC) - - def create_name_queue(self) -> deque: - """Return a queue of element names to use for creating new channels.""" - log.trace("Creating the chemical element name queue.") - - used_names = self.get_used_names() - - log.trace("Determining the available names.") - available_names = (name for name in self.name_positions if name not in used_names) - - log.trace("Populating the name queue with names.") - return deque(available_names) - - async def dormant_check(self, ctx: commands.Context) -> bool: - """Return True if the user is the help channel claimant or passes the role check.""" - if await self.help_channel_claimants.get(ctx.channel.id) == ctx.author.id: - log.trace(f"{ctx.author} is the help channel claimant, passing the check for dormant.") - self.bot.stats.incr("help.dormant_invoke.claimant") - return True - - log.trace(f"{ctx.author} is not the help channel claimant, checking roles.") - has_role = await commands.has_any_role(*constants.HelpChannels.cmd_whitelist).predicate(ctx) - - if has_role: - self.bot.stats.incr("help.dormant_invoke.staff") - - return has_role - - @commands.command(name="close", aliases=["dormant", "solved"], enabled=False) - async def close_command(self, ctx: commands.Context) -> None: - """ - Make the current in-use help channel dormant. - - Make the channel dormant if the user passes the `dormant_check`, - delete the message that invoked this, - and reset the send permissions cooldown for the user who started the session. - """ - log.trace("close command invoked; checking if the channel is in-use.") - if ctx.channel.category == self.in_use_category: - if await self.dormant_check(ctx): - await self.remove_cooldown_role(ctx.author) - - # Ignore missing task when cooldown has passed but the channel still isn't dormant. - if ctx.author.id in self.scheduler: - self.scheduler.cancel(ctx.author.id) - - await self.move_to_dormant(ctx.channel, "command") - self.scheduler.cancel(ctx.channel.id) - else: - log.debug(f"{ctx.author} invoked command 'dormant' outside an in-use help channel") - - async def get_available_candidate(self) -> discord.TextChannel: - """ - Return a dormant channel to turn into an available channel. - - If no channel is available, wait indefinitely until one becomes available. - """ - log.trace("Getting an available channel candidate.") - - try: - channel = self.channel_queue.get_nowait() - except asyncio.QueueEmpty: - log.info("No candidate channels in the queue; creating a new channel.") - channel = await self.create_dormant() - - if not channel: - log.info("Couldn't create a candidate channel; waiting to get one from the queue.") - await self.notify() - channel = await self.wait_for_dormant_channel() - - return channel - - @staticmethod - def get_clean_channel_name(channel: discord.TextChannel) -> str: - """Return a clean channel name without status emojis prefix.""" - prefix = constants.HelpChannels.name_prefix - try: - # Try to remove the status prefix using the index of the channel prefix - name = channel.name[channel.name.index(prefix):] - log.trace(f"The clean name for `{channel}` is `{name}`") - except ValueError: - # If, for some reason, the channel name does not contain "help-" fall back gracefully - log.info(f"Can't get clean name because `{channel}` isn't prefixed by `{prefix}`.") - name = channel.name - - return name - - @staticmethod - def is_excluded_channel(channel: discord.abc.GuildChannel) -> bool: - """Check if a channel should be excluded from the help channel system.""" - return not isinstance(channel, discord.TextChannel) or channel.id in EXCLUDED_CHANNELS - - def get_category_channels(self, category: discord.CategoryChannel) -> t.Iterable[discord.TextChannel]: - """Yield the text channels of the `category` in an unsorted manner.""" - log.trace(f"Getting text channels in the category '{category}' ({category.id}).") - - # This is faster than using category.channels because the latter sorts them. - for channel in self.bot.get_guild(constants.Guild.id).channels: - if channel.category_id == category.id and not self.is_excluded_channel(channel): - yield channel - - async def get_in_use_time(self, channel_id: int) -> t.Optional[timedelta]: - """Return the duration `channel_id` has been in use. Return None if it's not in use.""" - log.trace(f"Calculating in use time for channel {channel_id}.") - - claimed_timestamp = await self.claim_times.get(channel_id) - if claimed_timestamp: - claimed = datetime.utcfromtimestamp(claimed_timestamp) - return datetime.utcnow() - claimed - - @staticmethod - def get_names() -> t.List[str]: - """ - Return a truncated list of prefixed element names. - - The amount of names is configured with `HelpChannels.max_total_channels`. - The prefix is configured with `HelpChannels.name_prefix`. - """ - count = constants.HelpChannels.max_total_channels - prefix = constants.HelpChannels.name_prefix - - log.trace(f"Getting the first {count} element names from JSON.") - - with Path("bot/resources/elements.json").open(encoding="utf-8") as elements_file: - all_names = json.load(elements_file) - - if prefix: - return [prefix + name for name in all_names[:count]] - else: - return all_names[:count] - - def get_used_names(self) -> t.Set[str]: - """Return channel names which are already being used.""" - log.trace("Getting channel names which are already being used.") - - names = set() - for cat in (self.available_category, self.in_use_category, self.dormant_category): - for channel in self.get_category_channels(cat): - names.add(self.get_clean_channel_name(channel)) - - if len(names) > MAX_CHANNELS_PER_CATEGORY: - log.warning( - f"Too many help channels ({len(names)}) already exist! " - f"Discord only supports {MAX_CHANNELS_PER_CATEGORY} in a category." - ) - - log.trace(f"Got {len(names)} used names: {names}") - return names - - @classmethod - async def get_idle_time(cls, channel: discord.TextChannel) -> t.Optional[int]: - """ - Return the time elapsed, in seconds, since the last message sent in the `channel`. - - Return None if the channel has no messages. - """ - log.trace(f"Getting the idle time for #{channel} ({channel.id}).") - - msg = await cls.get_last_message(channel) - if not msg: - log.debug(f"No idle time available; #{channel} ({channel.id}) has no messages.") - return None - - idle_time = (datetime.utcnow() - msg.created_at).seconds - - log.trace(f"#{channel} ({channel.id}) has been idle for {idle_time} seconds.") - return idle_time - - @staticmethod - async def get_last_message(channel: discord.TextChannel) -> t.Optional[discord.Message]: - """Return the last message sent in the channel or None if no messages exist.""" - log.trace(f"Getting the last message in #{channel} ({channel.id}).") - - try: - return await channel.history(limit=1).next() # noqa: B305 - except discord.NoMoreItems: - log.debug(f"No last message available; #{channel} ({channel.id}) has no messages.") - return None - - async def init_available(self) -> None: - """Initialise the Available category with channels.""" - log.trace("Initialising the Available category with channels.") - - channels = list(self.get_category_channels(self.available_category)) - missing = constants.HelpChannels.max_available - len(channels) - - # If we've got less than `max_available` channel available, we should add some. - if missing > 0: - log.trace(f"Moving {missing} missing channels to the Available category.") - for _ in range(missing): - await self.move_to_available() - - # If for some reason we have more than `max_available` channels available, - # we should move the superfluous ones over to dormant. - elif missing < 0: - log.trace(f"Moving {abs(missing)} superfluous available channels over to the Dormant category.") - for channel in channels[:abs(missing)]: - await self.move_to_dormant(channel, "auto") - - async def init_categories(self) -> None: - """Get the help category objects. Remove the cog if retrieval fails.""" - log.trace("Getting the CategoryChannel objects for the help categories.") - - try: - self.available_category = await channel_utils.try_get_channel( - constants.Categories.help_available - ) - self.in_use_category = await channel_utils.try_get_channel( - constants.Categories.help_in_use - ) - self.dormant_category = await channel_utils.try_get_channel( - constants.Categories.help_dormant - ) - except discord.HTTPException: - log.exception("Failed to get a category; cog will be removed") - self.bot.remove_cog(self.qualified_name) - - async def init_cog(self) -> None: - """Initialise the help channel system.""" - log.trace("Waiting for the guild to be available before initialisation.") - await self.bot.wait_until_guild_available() - - log.trace("Initialising the cog.") - await self.init_categories() - await self.check_cooldowns() - - self.channel_queue = self.create_channel_queue() - self.name_queue = self.create_name_queue() - - log.trace("Moving or rescheduling in-use channels.") - for channel in self.get_category_channels(self.in_use_category): - await self.move_idle_channel(channel, has_task=False) - - # Prevent the command from being used until ready. - # The ready event wasn't used because channels could change categories between the time - # the command is invoked and the cog is ready (e.g. if move_idle_channel wasn't called yet). - # This may confuse users. So would potentially long delays for the cog to become ready. - self.close_command.enabled = True - - await self.init_available() - - log.info("Cog is ready!") - self.ready.set() - - self.report_stats() - - def report_stats(self) -> None: - """Report the channel count stats.""" - total_in_use = sum(1 for _ in self.get_category_channels(self.in_use_category)) - total_available = sum(1 for _ in self.get_category_channels(self.available_category)) - total_dormant = sum(1 for _ in self.get_category_channels(self.dormant_category)) - - self.bot.stats.gauge("help.total.in_use", total_in_use) - self.bot.stats.gauge("help.total.available", total_available) - self.bot.stats.gauge("help.total.dormant", total_dormant) - - @staticmethod - def is_claimant(member: discord.Member) -> bool: - """Return True if `member` has the 'Help Cooldown' role.""" - return any(constants.Roles.help_cooldown == role.id for role in member.roles) - - def match_bot_embed(self, message: t.Optional[discord.Message], description: str) -> bool: - """Return `True` if the bot's `message`'s embed description matches `description`.""" - if not message or not message.embeds: - return False - - bot_msg_desc = message.embeds[0].description - if bot_msg_desc is discord.Embed.Empty: - log.trace("Last message was a bot embed but it was empty.") - return False - return message.author == self.bot.user and bot_msg_desc.strip() == description.strip() - - async def move_idle_channel(self, channel: discord.TextChannel, has_task: bool = True) -> None: - """ - Make the `channel` dormant if idle or schedule the move if still active. - - If `has_task` is True and rescheduling is required, the extant task to make the channel - dormant will first be cancelled. - """ - log.trace(f"Handling in-use channel #{channel} ({channel.id}).") - - if not await self.is_empty(channel): - idle_seconds = constants.HelpChannels.idle_minutes * 60 - else: - idle_seconds = constants.HelpChannels.deleted_idle_minutes * 60 - - time_elapsed = await self.get_idle_time(channel) - - if time_elapsed is None or time_elapsed >= idle_seconds: - log.info( - f"#{channel} ({channel.id}) is idle longer than {idle_seconds} seconds " - f"and will be made dormant." - ) - - await self.move_to_dormant(channel, "auto") - else: - # Cancel the existing task, if any. - if has_task: - self.scheduler.cancel(channel.id) - - delay = idle_seconds - time_elapsed - log.info( - f"#{channel} ({channel.id}) is still active; " - f"scheduling it to be moved after {delay} seconds." - ) - - self.scheduler.schedule_later(delay, channel.id, self.move_idle_channel(channel)) - - async def move_to_bottom_position(self, channel: discord.TextChannel, category_id: int, **options) -> None: - """ - Move the `channel` to the bottom position of `category` and edit channel attributes. - - To ensure "stable sorting", we use the `bulk_channel_update` endpoint and provide the current - positions of the other channels in the category as-is. This should make sure that the channel - really ends up at the bottom of the category. - - If `options` are provided, the channel will be edited after the move is completed. This is the - same order of operations that `discord.TextChannel.edit` uses. For information on available - options, see the documentation on `discord.TextChannel.edit`. While possible, position-related - options should be avoided, as it may interfere with the category move we perform. - """ - # Get a fresh copy of the category from the bot to avoid the cache mismatch issue we had. - category = await channel_utils.try_get_channel(category_id) - - payload = [{"id": c.id, "position": c.position} for c in category.channels] - - # Calculate the bottom position based on the current highest position in the category. If the - # category is currently empty, we simply use the current position of the channel to avoid making - # unnecessary changes to positions in the guild. - bottom_position = payload[-1]["position"] + 1 if payload else channel.position - - payload.append( - { - "id": channel.id, - "position": bottom_position, - "parent_id": category.id, - "lock_permissions": True, - } - ) - - # We use d.py's method to ensure our request is processed by d.py's rate limit manager - await self.bot.http.bulk_channel_update(category.guild.id, payload) - - # Now that the channel is moved, we can edit the other attributes - if options: - await channel.edit(**options) - - async def move_to_available(self) -> None: - """Make a channel available.""" - log.trace("Making a channel available.") - - channel = await self.get_available_candidate() - log.info(f"Making #{channel} ({channel.id}) available.") - - await self.send_available_message(channel) - - log.trace(f"Moving #{channel} ({channel.id}) to the Available category.") - - await self.move_to_bottom_position( - channel=channel, - category_id=constants.Categories.help_available, - ) - - self.report_stats() - - async def move_to_dormant(self, channel: discord.TextChannel, caller: str) -> None: - """ - Make the `channel` dormant. - - A caller argument is provided for metrics. - """ - log.info(f"Moving #{channel} ({channel.id}) to the Dormant category.") - - await self.help_channel_claimants.delete(channel.id) - await self.move_to_bottom_position( - channel=channel, - category_id=constants.Categories.help_dormant, - ) - - self.bot.stats.incr(f"help.dormant_calls.{caller}") - - in_use_time = await self.get_in_use_time(channel.id) - if in_use_time: - self.bot.stats.timing("help.in_use_time", in_use_time) - - unanswered = await self.unanswered.get(channel.id) - if unanswered: - self.bot.stats.incr("help.sessions.unanswered") - elif unanswered is not None: - self.bot.stats.incr("help.sessions.answered") - - log.trace(f"Position of #{channel} ({channel.id}) is actually {channel.position}.") - log.trace(f"Sending dormant message for #{channel} ({channel.id}).") - embed = discord.Embed(description=DORMANT_MSG) - await channel.send(embed=embed) - - await self.unpin(channel) - - log.trace(f"Pushing #{channel} ({channel.id}) into the channel queue.") - self.channel_queue.put_nowait(channel) - self.report_stats() - - async def move_to_in_use(self, channel: discord.TextChannel) -> None: - """Make a channel in-use and schedule it to be made dormant.""" - log.info(f"Moving #{channel} ({channel.id}) to the In Use category.") - - await self.move_to_bottom_position( - channel=channel, - category_id=constants.Categories.help_in_use, - ) - - timeout = constants.HelpChannels.idle_minutes * 60 - - log.trace(f"Scheduling #{channel} ({channel.id}) to become dormant in {timeout} sec.") - self.scheduler.schedule_later(timeout, channel.id, self.move_idle_channel(channel)) - self.report_stats() - - async def notify(self) -> None: - """ - Send a message notifying about a lack of available help channels. - - Configuration: - - * `HelpChannels.notify` - toggle notifications - * `HelpChannels.notify_channel` - destination channel for notifications - * `HelpChannels.notify_minutes` - minimum interval between notifications - * `HelpChannels.notify_roles` - roles mentioned in notifications - """ - if not constants.HelpChannels.notify: - return - - log.trace("Notifying about lack of channels.") - - if self.last_notification: - elapsed = (datetime.utcnow() - self.last_notification).seconds - minimum_interval = constants.HelpChannels.notify_minutes * 60 - should_send = elapsed >= minimum_interval - else: - should_send = True - - if not should_send: - log.trace("Notification not sent because it's too recent since the previous one.") - return - - try: - log.trace("Sending notification message.") - - channel = self.bot.get_channel(constants.HelpChannels.notify_channel) - mentions = " ".join(f"<@&{role}>" for role in constants.HelpChannels.notify_roles) - allowed_roles = [discord.Object(id_) for id_ in constants.HelpChannels.notify_roles] - - message = await channel.send( - f"{mentions} A new available help channel is needed but there " - f"are no more dormant ones. Consider freeing up some in-use channels manually by " - f"using the `{constants.Bot.prefix}dormant` command within the channels.", - allowed_mentions=discord.AllowedMentions(everyone=False, roles=allowed_roles) - ) - - self.bot.stats.incr("help.out_of_channel_alerts") - - self.last_notification = message.created_at - except Exception: - # Handle it here cause this feature isn't critical for the functionality of the system. - log.exception("Failed to send notification about lack of dormant channels!") - - async def check_for_answer(self, message: discord.Message) -> None: - """Checks for whether new content in a help channel comes from non-claimants.""" - channel = message.channel - - # Confirm the channel is an in use help channel - if channel_utils.is_in_category(channel, constants.Categories.help_in_use): - log.trace(f"Checking if #{channel} ({channel.id}) has been answered.") - - # Check if there is an entry in unanswered - if await self.unanswered.contains(channel.id): - claimant_id = await self.help_channel_claimants.get(channel.id) - if not claimant_id: - # The mapping for this channel doesn't exist, we can't do anything. - return - - # Check the message did not come from the claimant - if claimant_id != message.author.id: - # Mark the channel as answered - await self.unanswered.set(channel.id, False) - - @commands.Cog.listener() - async def on_message(self, message: discord.Message) -> None: - """Move an available channel to the In Use category and replace it with a dormant one.""" - if message.author.bot: - return # Ignore messages sent by bots. - - channel = message.channel - - await self.check_for_answer(message) - - is_available = channel_utils.is_in_category(channel, constants.Categories.help_available) - if not is_available or self.is_excluded_channel(channel): - return # Ignore messages outside the Available category or in excluded channels. - - log.trace("Waiting for the cog to be ready before processing messages.") - await self.ready.wait() - - log.trace("Acquiring lock to prevent a channel from being processed twice...") - async with self.on_message_lock: - log.trace(f"on_message lock acquired for {message.id}.") - - if not channel_utils.is_in_category(channel, constants.Categories.help_available): - log.debug( - f"Message {message.id} will not make #{channel} ({channel.id}) in-use " - f"because another message in the channel already triggered that." - ) - return - - log.info(f"Channel #{channel} was claimed by `{message.author.id}`.") - await self.move_to_in_use(channel) - await self.revoke_send_permissions(message.author) - - await self.pin(message) - - # Add user with channel for dormant check. - await self.help_channel_claimants.set(channel.id, message.author.id) - - self.bot.stats.incr("help.claimed") - - # Must use a timezone-aware datetime to ensure a correct POSIX timestamp. - timestamp = datetime.now(timezone.utc).timestamp() - await self.claim_times.set(channel.id, timestamp) - - await self.unanswered.set(channel.id, True) - - log.trace(f"Releasing on_message lock for {message.id}.") - - # Move a dormant channel to the Available category to fill in the gap. - # This is done last and outside the lock because it may wait indefinitely for a channel to - # be put in the queue. - await self.move_to_available() - - @commands.Cog.listener() - async def on_message_delete(self, msg: discord.Message) -> None: - """ - Reschedule an in-use channel to become dormant sooner if the channel is empty. - - The new time for the dormant task is configured with `HelpChannels.deleted_idle_minutes`. - """ - if not channel_utils.is_in_category(msg.channel, constants.Categories.help_in_use): - return - - if not await self.is_empty(msg.channel): - return - - log.info(f"Claimant of #{msg.channel} ({msg.author}) deleted message, channel is empty now. Rescheduling task.") - - # Cancel existing dormant task before scheduling new. - self.scheduler.cancel(msg.channel.id) - - delay = constants.HelpChannels.deleted_idle_minutes * 60 - self.scheduler.schedule_later(delay, msg.channel.id, self.move_idle_channel(msg.channel)) - - async def is_empty(self, channel: discord.TextChannel) -> bool: - """Return True if there's an AVAILABLE_MSG and the messages leading up are bot messages.""" - log.trace(f"Checking if #{channel} ({channel.id}) is empty.") - - # A limit of 100 results in a single API call. - # If AVAILABLE_MSG isn't found within 100 messages, then assume the channel is not empty. - # Not gonna do an extensive search for it cause it's too expensive. - async for msg in channel.history(limit=100): - if not msg.author.bot: - log.trace(f"#{channel} ({channel.id}) has a non-bot message.") - return False - - if self.match_bot_embed(msg, AVAILABLE_MSG): - log.trace(f"#{channel} ({channel.id}) has the available message embed.") - return True - - return False - - async def check_cooldowns(self) -> None: - """Remove expired cooldowns and re-schedule active ones.""" - log.trace("Checking all cooldowns to remove or re-schedule them.") - guild = self.bot.get_guild(constants.Guild.id) - cooldown = constants.HelpChannels.claim_minutes * 60 - - for channel_id, member_id in await self.help_channel_claimants.items(): - member = guild.get_member(member_id) - if not member: - continue # Member probably left the guild. - - in_use_time = await self.get_in_use_time(channel_id) - - if not in_use_time or in_use_time.seconds > cooldown: - # Remove the role if no claim time could be retrieved or if the cooldown expired. - # Since the channel is in the claimants cache, it is definitely strange for a time - # to not exist. However, it isn't a reason to keep the user stuck with a cooldown. - await self.remove_cooldown_role(member) - else: - # The member is still on a cooldown; re-schedule it for the remaining time. - delay = cooldown - in_use_time.seconds - self.scheduler.schedule_later(delay, member.id, self.remove_cooldown_role(member)) - - async def add_cooldown_role(self, member: discord.Member) -> None: - """Add the help cooldown role to `member`.""" - log.trace(f"Adding cooldown role for {member} ({member.id}).") - await self._change_cooldown_role(member, member.add_roles) - - async def remove_cooldown_role(self, member: discord.Member) -> None: - """Remove the help cooldown role from `member`.""" - log.trace(f"Removing cooldown role for {member} ({member.id}).") - await self._change_cooldown_role(member, member.remove_roles) - - async def _change_cooldown_role(self, member: discord.Member, coro_func: CoroutineFunc) -> None: - """ - Change `member`'s cooldown role via awaiting `coro_func` and handle errors. - - `coro_func` is intended to be `discord.Member.add_roles` or `discord.Member.remove_roles`. - """ - guild = self.bot.get_guild(constants.Guild.id) - role = guild.get_role(constants.Roles.help_cooldown) - if role is None: - log.warning(f"Help cooldown role ({constants.Roles.help_cooldown}) could not be found!") - return - - try: - await coro_func(role) - except discord.NotFound: - log.debug(f"Failed to change role for {member} ({member.id}): member not found") - except discord.Forbidden: - log.debug( - f"Forbidden to change role for {member} ({member.id}); " - f"possibly due to role hierarchy" - ) - except discord.HTTPException as e: - log.error(f"Failed to change role for {member} ({member.id}): {e.status} {e.code}") - - async def revoke_send_permissions(self, member: discord.Member) -> None: - """ - Disallow `member` to send messages in the Available category for a certain time. - - The time until permissions are reinstated can be configured with - `HelpChannels.claim_minutes`. - """ - log.trace( - f"Revoking {member}'s ({member.id}) send message permissions in the Available category." - ) - - await self.add_cooldown_role(member) - - # Cancel the existing task, if any. - # Would mean the user somehow bypassed the lack of permissions (e.g. user is guild owner). - if member.id in self.scheduler: - self.scheduler.cancel(member.id) - - delay = constants.HelpChannels.claim_minutes * 60 - self.scheduler.schedule_later(delay, member.id, self.remove_cooldown_role(member)) - - async def send_available_message(self, channel: discord.TextChannel) -> None: - """Send the available message by editing a dormant message or sending a new message.""" - channel_info = f"#{channel} ({channel.id})" - log.trace(f"Sending available message in {channel_info}.") - - embed = discord.Embed( - color=constants.Colours.bright_green, - description=AVAILABLE_MSG, - ) - embed.set_author(name=AVAILABLE_TITLE, icon_url=constants.Icons.green_checkmark) - embed.set_footer(text=AVAILABLE_FOOTER) - - msg = await self.get_last_message(channel) - if self.match_bot_embed(msg, DORMANT_MSG): - log.trace(f"Found dormant message {msg.id} in {channel_info}; editing it.") - await msg.edit(embed=embed) - else: - log.trace(f"Dormant message not found in {channel_info}; sending a new message.") - await channel.send(embed=embed) - - async def pin_wrapper(self, msg_id: int, channel: discord.TextChannel, *, pin: bool) -> bool: - """ - Pin message `msg_id` in `channel` if `pin` is True or unpin if it's False. - - Return True if successful and False otherwise. - """ - channel_str = f"#{channel} ({channel.id})" - if pin: - func = self.bot.http.pin_message - verb = "pin" - else: - func = self.bot.http.unpin_message - verb = "unpin" - - try: - await func(channel.id, msg_id) - except discord.HTTPException as e: - if e.code == 10008: - log.debug(f"Message {msg_id} in {channel_str} doesn't exist; can't {verb}.") - else: - log.exception( - f"Error {verb}ning message {msg_id} in {channel_str}: {e.status} ({e.code})" - ) - return False - else: - log.trace(f"{verb.capitalize()}ned message {msg_id} in {channel_str}.") - return True - - async def pin(self, message: discord.Message) -> None: - """Pin an initial question `message` and store it in a cache.""" - if await self.pin_wrapper(message.id, message.channel, pin=True): - await self.question_messages.set(message.channel.id, message.id) - - async def unpin(self, channel: discord.TextChannel) -> None: - """Unpin the initial question message sent in `channel`.""" - msg_id = await self.question_messages.pop(channel.id) - if msg_id is None: - log.debug(f"#{channel} ({channel.id}) doesn't have a message pinned.") - else: - await self.pin_wrapper(msg_id, channel, pin=False) - - async def wait_for_dormant_channel(self) -> discord.TextChannel: - """Wait for a dormant channel to become available in the queue and return it.""" - log.trace("Waiting for a dormant channel.") - - task = asyncio.create_task(self.channel_queue.get()) - self.queue_tasks.append(task) - channel = await task - - log.trace(f"Channel #{channel} ({channel.id}) finally retrieved from the queue.") - self.queue_tasks.remove(task) - - return channel - - -def validate_config() -> None: - """Raise a ValueError if the cog's config is invalid.""" - log.trace("Validating config.") - total = constants.HelpChannels.max_total_channels - available = constants.HelpChannels.max_available - - if total == 0 or available == 0: - raise ValueError("max_total_channels and max_available and must be greater than 0.") - - if total < available: - raise ValueError( - f"max_total_channels ({total}) must be greater than or equal to max_available " - f"({available})." - ) - - if total > MAX_CHANNELS_PER_CATEGORY: - raise ValueError( - f"max_total_channels ({total}) must be less than or equal to " - f"{MAX_CHANNELS_PER_CATEGORY} due to Discord's limit on channels per category." - ) - - -def setup(bot: Bot) -> None: - """Load the HelpChannels cog.""" - try: - validate_config() - except ValueError as e: - log.error(f"HelpChannels cog will not be loaded due to misconfiguration: {e}") - else: - bot.add_cog(HelpChannels(bot)) diff --git a/bot/exts/help_channels/__init__.py b/bot/exts/help_channels/__init__.py new file mode 100644 index 000000000..781f40449 --- /dev/null +++ b/bot/exts/help_channels/__init__.py @@ -0,0 +1,41 @@ +import logging + +from bot import constants +from bot.bot import Bot +from bot.exts.help_channels._channel import MAX_CHANNELS_PER_CATEGORY + +log = logging.getLogger(__name__) + + +def validate_config() -> None: + """Raise a ValueError if the cog's config is invalid.""" + log.trace("Validating config.") + total = constants.HelpChannels.max_total_channels + available = constants.HelpChannels.max_available + + if total == 0 or available == 0: + raise ValueError("max_total_channels and max_available and must be greater than 0.") + + if total < available: + raise ValueError( + f"max_total_channels ({total}) must be greater than or equal to max_available " + f"({available})." + ) + + if total > MAX_CHANNELS_PER_CATEGORY: + raise ValueError( + f"max_total_channels ({total}) must be less than or equal to " + f"{MAX_CHANNELS_PER_CATEGORY} due to Discord's limit on channels per category." + ) + + +def setup(bot: Bot) -> None: + """Load the HelpChannels cog.""" + # Defer import to reduce side effects from importing the help_channels package. + from bot.exts.help_channels._cog import HelpChannels + try: + validate_config() + except ValueError as e: + log.error(f"HelpChannels cog will not be loaded due to misconfiguration: {e}") + else: + bot.add_cog(HelpChannels(bot)) diff --git a/bot/exts/help_channels/_caches.py b/bot/exts/help_channels/_caches.py new file mode 100644 index 000000000..4cea385b7 --- /dev/null +++ b/bot/exts/help_channels/_caches.py @@ -0,0 +1,19 @@ +from async_rediscache import RedisCache + +# This dictionary maps a help channel to the time it was claimed +# RedisCache[discord.TextChannel.id, UtcPosixTimestamp] +claim_times = RedisCache(namespace="HelpChannels.claim_times") + +# This cache tracks which channels are claimed by which members. +# RedisCache[discord.TextChannel.id, t.Union[discord.User.id, discord.Member.id]] +claimants = RedisCache(namespace="HelpChannels.help_channel_claimants") + +# This cache maps a help channel to original question message in same channel. +# RedisCache[discord.TextChannel.id, discord.Message.id] +question_messages = RedisCache(namespace="HelpChannels.question_messages") + +# This cache maps a help channel to whether it has had any +# activity other than the original claimant. True being no other +# activity and False being other activity. +# RedisCache[discord.TextChannel.id, bool] +unanswered = RedisCache(namespace="HelpChannels.unanswered") diff --git a/bot/exts/help_channels/_channel.py b/bot/exts/help_channels/_channel.py new file mode 100644 index 000000000..224214b00 --- /dev/null +++ b/bot/exts/help_channels/_channel.py @@ -0,0 +1,99 @@ +import logging +import typing as t +from datetime import datetime, timedelta + +import discord + +import bot +from bot import constants +from bot.exts.help_channels import _caches, _message +from bot.utils.channel import try_get_channel + +log = logging.getLogger(__name__) + +MAX_CHANNELS_PER_CATEGORY = 50 +EXCLUDED_CHANNELS = (constants.Channels.cooldown,) + + +def get_category_channels(category: discord.CategoryChannel) -> t.Iterable[discord.TextChannel]: + """Yield the text channels of the `category` in an unsorted manner.""" + log.trace(f"Getting text channels in the category '{category}' ({category.id}).") + + # This is faster than using category.channels because the latter sorts them. + for channel in category.guild.channels: + if channel.category_id == category.id and not is_excluded_channel(channel): + yield channel + + +async def get_idle_time(channel: discord.TextChannel) -> t.Optional[int]: + """ + Return the time elapsed, in seconds, since the last message sent in the `channel`. + + Return None if the channel has no messages. + """ + log.trace(f"Getting the idle time for #{channel} ({channel.id}).") + + msg = await _message.get_last_message(channel) + if not msg: + log.debug(f"No idle time available; #{channel} ({channel.id}) has no messages.") + return None + + idle_time = (datetime.utcnow() - msg.created_at).seconds + + log.trace(f"#{channel} ({channel.id}) has been idle for {idle_time} seconds.") + return idle_time + + +async def get_in_use_time(channel_id: int) -> t.Optional[timedelta]: + """Return the duration `channel_id` has been in use. Return None if it's not in use.""" + log.trace(f"Calculating in use time for channel {channel_id}.") + + claimed_timestamp = await _caches.claim_times.get(channel_id) + if claimed_timestamp: + claimed = datetime.utcfromtimestamp(claimed_timestamp) + return datetime.utcnow() - claimed + + +def is_excluded_channel(channel: discord.abc.GuildChannel) -> bool: + """Check if a channel should be excluded from the help channel system.""" + return not isinstance(channel, discord.TextChannel) or channel.id in EXCLUDED_CHANNELS + + +async def move_to_bottom(channel: discord.TextChannel, category_id: int, **options) -> None: + """ + Move the `channel` to the bottom position of `category` and edit channel attributes. + + To ensure "stable sorting", we use the `bulk_channel_update` endpoint and provide the current + positions of the other channels in the category as-is. This should make sure that the channel + really ends up at the bottom of the category. + + If `options` are provided, the channel will be edited after the move is completed. This is the + same order of operations that `discord.TextChannel.edit` uses. For information on available + options, see the documentation on `discord.TextChannel.edit`. While possible, position-related + options should be avoided, as it may interfere with the category move we perform. + """ + # Get a fresh copy of the category from the bot to avoid the cache mismatch issue we had. + category = await try_get_channel(category_id) + + payload = [{"id": c.id, "position": c.position} for c in category.channels] + + # Calculate the bottom position based on the current highest position in the category. If the + # category is currently empty, we simply use the current position of the channel to avoid making + # unnecessary changes to positions in the guild. + bottom_position = payload[-1]["position"] + 1 if payload else channel.position + + payload.append( + { + "id": channel.id, + "position": bottom_position, + "parent_id": category.id, + "lock_permissions": True, + } + ) + + # We use d.py's method to ensure our request is processed by d.py's rate limit manager + await bot.instance.http.bulk_channel_update(category.guild.id, payload) + + # Now that the channel is moved, we can edit the other attributes + if options: + await channel.edit(**options) diff --git a/bot/exts/help_channels/_cog.py b/bot/exts/help_channels/_cog.py new file mode 100644 index 000000000..0995c8a79 --- /dev/null +++ b/bot/exts/help_channels/_cog.py @@ -0,0 +1,463 @@ +import asyncio +import logging +import random +import typing as t +from datetime import datetime, timezone +from operator import attrgetter + +import discord +import discord.abc +from discord.ext import commands + +from bot import constants +from bot.bot import Bot +from bot.exts.help_channels import _caches, _channel, _cooldown, _message, _name, _stats +from bot.utils import channel as channel_utils, lock, scheduling + +log = logging.getLogger(__name__) + +NAMESPACE = "help" +HELP_CHANNEL_TOPIC = """ +This is a Python help channel. You can claim your own help channel in the Python Help: Available category. +""" + + +class HelpChannels(commands.Cog): + """ + Manage the help channel system of the guild. + + The system is based on a 3-category system: + + Available Category + + * Contains channels which are ready to be occupied by someone who needs help + * Will always contain `constants.HelpChannels.max_available` channels; refilled automatically + from the pool of dormant channels + * Prioritise using the channels which have been dormant for the longest amount of time + * If there are no more dormant channels, the bot will automatically create a new one + * If there are no dormant channels to move, helpers will be notified (see `notify()`) + * When a channel becomes available, the dormant embed will be edited to show `AVAILABLE_MSG` + * User can only claim a channel at an interval `constants.HelpChannels.claim_minutes` + * To keep track of cooldowns, user which claimed a channel will have a temporary role + + In Use Category + + * Contains all channels which are occupied by someone needing help + * Channel moves to dormant category after `constants.HelpChannels.idle_minutes` of being idle + * Command can prematurely mark a channel as dormant + * Channel claimant is allowed to use the command + * Allowed roles for the command are configurable with `constants.HelpChannels.cmd_whitelist` + * When a channel becomes dormant, an embed with `DORMANT_MSG` will be sent + + Dormant Category + + * Contains channels which aren't in use + * Channels are used to refill the Available category + + Help channels are named after the chemical elements in `bot/resources/elements.json`. + """ + + def __init__(self, bot: Bot): + self.bot = bot + self.scheduler = scheduling.Scheduler(self.__class__.__name__) + + # Categories + self.available_category: discord.CategoryChannel = None + self.in_use_category: discord.CategoryChannel = None + self.dormant_category: discord.CategoryChannel = None + + # Queues + self.channel_queue: asyncio.Queue[discord.TextChannel] = None + self.name_queue: t.Deque[str] = None + + self.last_notification: t.Optional[datetime] = None + + # Asyncio stuff + self.queue_tasks: t.List[asyncio.Task] = [] + self.init_task = self.bot.loop.create_task(self.init_cog()) + + def cog_unload(self) -> None: + """Cancel the init task and scheduled tasks when the cog unloads.""" + log.trace("Cog unload: cancelling the init_cog task") + self.init_task.cancel() + + log.trace("Cog unload: cancelling the channel queue tasks") + for task in self.queue_tasks: + task.cancel() + + self.scheduler.cancel_all() + + @lock.lock_arg(NAMESPACE, "message", attrgetter("channel.id")) + @lock.lock_arg(NAMESPACE, "message", attrgetter("author.id")) + @lock.lock_arg(f"{NAMESPACE}.unclaim", "message", attrgetter("author.id"), wait=True) + async def claim_channel(self, message: discord.Message) -> None: + """ + Claim the channel in which the question `message` was sent. + + Move the channel to the In Use category and pin the `message`. Add a cooldown to the + claimant to prevent them from asking another question. Lastly, make a new channel available. + """ + log.info(f"Channel #{message.channel} was claimed by `{message.author.id}`.") + await self.move_to_in_use(message.channel) + await _cooldown.revoke_send_permissions(message.author, self.scheduler) + + await _message.pin(message) + + # Add user with channel for dormant check. + await _caches.claimants.set(message.channel.id, message.author.id) + + self.bot.stats.incr("help.claimed") + + # Must use a timezone-aware datetime to ensure a correct POSIX timestamp. + timestamp = datetime.now(timezone.utc).timestamp() + await _caches.claim_times.set(message.channel.id, timestamp) + + await _caches.unanswered.set(message.channel.id, True) + + # Not awaited because it may indefinitely hold the lock while waiting for a channel. + scheduling.create_task(self.move_to_available(), name=f"help_claim_{message.id}") + + def create_channel_queue(self) -> asyncio.Queue: + """ + Return a queue of dormant channels to use for getting the next available channel. + + The channels are added to the queue in a random order. + """ + log.trace("Creating the channel queue.") + + channels = list(_channel.get_category_channels(self.dormant_category)) + random.shuffle(channels) + + log.trace("Populating the channel queue with channels.") + queue = asyncio.Queue() + for channel in channels: + queue.put_nowait(channel) + + return queue + + async def create_dormant(self) -> t.Optional[discord.TextChannel]: + """ + Create and return a new channel in the Dormant category. + + The new channel will sync its permission overwrites with the category. + + Return None if no more channel names are available. + """ + log.trace("Getting a name for a new dormant channel.") + + try: + name = self.name_queue.popleft() + except IndexError: + log.debug("No more names available for new dormant channels.") + return None + + log.debug(f"Creating a new dormant channel named {name}.") + return await self.dormant_category.create_text_channel(name, topic=HELP_CHANNEL_TOPIC) + + async def close_check(self, ctx: commands.Context) -> bool: + """Return True if the channel is in use and the user is the claimant or has a whitelisted role.""" + if ctx.channel.category != self.in_use_category: + log.debug(f"{ctx.author} invoked command 'close' outside an in-use help channel") + return False + + if await _caches.claimants.get(ctx.channel.id) == ctx.author.id: + log.trace(f"{ctx.author} is the help channel claimant, passing the check for dormant.") + self.bot.stats.incr("help.dormant_invoke.claimant") + return True + + log.trace(f"{ctx.author} is not the help channel claimant, checking roles.") + has_role = await commands.has_any_role(*constants.HelpChannels.cmd_whitelist).predicate(ctx) + + if has_role: + self.bot.stats.incr("help.dormant_invoke.staff") + + return has_role + + @commands.command(name="close", aliases=["dormant", "solved"], enabled=False) + async def close_command(self, ctx: commands.Context) -> None: + """ + Make the current in-use help channel dormant. + + May only be invoked by the channel's claimant or by staff. + """ + # Don't use a discord.py check because the check needs to fail silently. + if await self.close_check(ctx): + log.info(f"Close command invoked by {ctx.author} in #{ctx.channel}.") + await self.unclaim_channel(ctx.channel, is_auto=False) + + async def get_available_candidate(self) -> discord.TextChannel: + """ + Return a dormant channel to turn into an available channel. + + If no channel is available, wait indefinitely until one becomes available. + """ + log.trace("Getting an available channel candidate.") + + try: + channel = self.channel_queue.get_nowait() + except asyncio.QueueEmpty: + log.info("No candidate channels in the queue; creating a new channel.") + channel = await self.create_dormant() + + if not channel: + log.info("Couldn't create a candidate channel; waiting to get one from the queue.") + notify_channel = self.bot.get_channel(constants.HelpChannels.notify_channel) + last_notification = await _message.notify(notify_channel, self.last_notification) + if last_notification: + self.last_notification = last_notification + self.bot.stats.incr("help.out_of_channel_alerts") + + channel = await self.wait_for_dormant_channel() + + return channel + + async def init_available(self) -> None: + """Initialise the Available category with channels.""" + log.trace("Initialising the Available category with channels.") + + channels = list(_channel.get_category_channels(self.available_category)) + missing = constants.HelpChannels.max_available - len(channels) + + # If we've got less than `max_available` channel available, we should add some. + if missing > 0: + log.trace(f"Moving {missing} missing channels to the Available category.") + for _ in range(missing): + await self.move_to_available() + + # If for some reason we have more than `max_available` channels available, + # we should move the superfluous ones over to dormant. + elif missing < 0: + log.trace(f"Moving {abs(missing)} superfluous available channels over to the Dormant category.") + for channel in channels[:abs(missing)]: + await self.unclaim_channel(channel) + + async def init_categories(self) -> None: + """Get the help category objects. Remove the cog if retrieval fails.""" + log.trace("Getting the CategoryChannel objects for the help categories.") + + try: + self.available_category = await channel_utils.try_get_channel( + constants.Categories.help_available + ) + self.in_use_category = await channel_utils.try_get_channel( + constants.Categories.help_in_use + ) + self.dormant_category = await channel_utils.try_get_channel( + constants.Categories.help_dormant + ) + except discord.HTTPException: + log.exception("Failed to get a category; cog will be removed") + self.bot.remove_cog(self.qualified_name) + + async def init_cog(self) -> None: + """Initialise the help channel system.""" + log.trace("Waiting for the guild to be available before initialisation.") + await self.bot.wait_until_guild_available() + + log.trace("Initialising the cog.") + await self.init_categories() + await _cooldown.check_cooldowns(self.scheduler) + + self.channel_queue = self.create_channel_queue() + self.name_queue = _name.create_name_queue( + self.available_category, + self.in_use_category, + self.dormant_category, + ) + + log.trace("Moving or rescheduling in-use channels.") + for channel in _channel.get_category_channels(self.in_use_category): + await self.move_idle_channel(channel, has_task=False) + + # Prevent the command from being used until ready. + # The ready event wasn't used because channels could change categories between the time + # the command is invoked and the cog is ready (e.g. if move_idle_channel wasn't called yet). + # This may confuse users. So would potentially long delays for the cog to become ready. + self.close_command.enabled = True + + await self.init_available() + _stats.report_counts() + + log.info("Cog is ready!") + + async def move_idle_channel(self, channel: discord.TextChannel, has_task: bool = True) -> None: + """ + Make the `channel` dormant if idle or schedule the move if still active. + + If `has_task` is True and rescheduling is required, the extant task to make the channel + dormant will first be cancelled. + """ + log.trace(f"Handling in-use channel #{channel} ({channel.id}).") + + if not await _message.is_empty(channel): + idle_seconds = constants.HelpChannels.idle_minutes * 60 + else: + idle_seconds = constants.HelpChannels.deleted_idle_minutes * 60 + + time_elapsed = await _channel.get_idle_time(channel) + + if time_elapsed is None or time_elapsed >= idle_seconds: + log.info( + f"#{channel} ({channel.id}) is idle longer than {idle_seconds} seconds " + f"and will be made dormant." + ) + + await self.unclaim_channel(channel) + else: + # Cancel the existing task, if any. + if has_task: + self.scheduler.cancel(channel.id) + + delay = idle_seconds - time_elapsed + log.info( + f"#{channel} ({channel.id}) is still active; " + f"scheduling it to be moved after {delay} seconds." + ) + + self.scheduler.schedule_later(delay, channel.id, self.move_idle_channel(channel)) + + async def move_to_available(self) -> None: + """Make a channel available.""" + log.trace("Making a channel available.") + + channel = await self.get_available_candidate() + log.info(f"Making #{channel} ({channel.id}) available.") + + await _message.send_available_message(channel) + + log.trace(f"Moving #{channel} ({channel.id}) to the Available category.") + + await _channel.move_to_bottom( + channel=channel, + category_id=constants.Categories.help_available, + ) + + _stats.report_counts() + + async def move_to_dormant(self, channel: discord.TextChannel) -> None: + """Make the `channel` dormant.""" + log.info(f"Moving #{channel} ({channel.id}) to the Dormant category.") + await _channel.move_to_bottom( + channel=channel, + category_id=constants.Categories.help_dormant, + ) + + log.trace(f"Sending dormant message for #{channel} ({channel.id}).") + embed = discord.Embed(description=_message.DORMANT_MSG) + await channel.send(embed=embed) + + log.trace(f"Pushing #{channel} ({channel.id}) into the channel queue.") + self.channel_queue.put_nowait(channel) + + _stats.report_counts() + + @lock.lock_arg(f"{NAMESPACE}.unclaim", "channel") + async def unclaim_channel(self, channel: discord.TextChannel, *, is_auto: bool = True) -> None: + """ + Unclaim an in-use help `channel` to make it dormant. + + Unpin the claimant's question message and move the channel to the Dormant category. + Remove the cooldown role from the channel claimant if they have no other channels claimed. + Cancel the scheduled cooldown role removal task. + + Set `is_auto` to True if the channel was automatically closed or False if manually closed. + """ + claimant_id = await _caches.claimants.get(channel.id) + _unclaim_channel = self._unclaim_channel + + # It could be possible that there is no claimant cached. In such case, it'd be useless and + # possibly incorrect to lock on None. Therefore, the lock is applied conditionally. + if claimant_id is not None: + decorator = lock.lock_arg(f"{NAMESPACE}.unclaim", "claimant_id", wait=True) + _unclaim_channel = decorator(_unclaim_channel) + + return await _unclaim_channel(channel, claimant_id, is_auto) + + async def _unclaim_channel(self, channel: discord.TextChannel, claimant_id: int, is_auto: bool) -> None: + """Actual implementation of `unclaim_channel`. See that for full documentation.""" + await _caches.claimants.delete(channel.id) + + # Ignore missing tasks because a channel may still be dormant after the cooldown expires. + if claimant_id in self.scheduler: + self.scheduler.cancel(claimant_id) + + claimant = self.bot.get_guild(constants.Guild.id).get_member(claimant_id) + if claimant is None: + log.info(f"{claimant_id} left the guild during their help session; the cooldown role won't be removed") + elif not any(claimant.id == user_id for _, user_id in await _caches.claimants.items()): + # Remove the cooldown role if the claimant has no other channels left + await _cooldown.remove_cooldown_role(claimant) + + await _message.unpin(channel) + await _stats.report_complete_session(channel.id, is_auto) + await self.move_to_dormant(channel) + + # Cancel the task that makes the channel dormant only if called by the close command. + # In other cases, the task is either already done or not-existent. + if not is_auto: + self.scheduler.cancel(channel.id) + + async def move_to_in_use(self, channel: discord.TextChannel) -> None: + """Make a channel in-use and schedule it to be made dormant.""" + log.info(f"Moving #{channel} ({channel.id}) to the In Use category.") + + await _channel.move_to_bottom( + channel=channel, + category_id=constants.Categories.help_in_use, + ) + + timeout = constants.HelpChannels.idle_minutes * 60 + + log.trace(f"Scheduling #{channel} ({channel.id}) to become dormant in {timeout} sec.") + self.scheduler.schedule_later(timeout, channel.id, self.move_idle_channel(channel)) + _stats.report_counts() + + @commands.Cog.listener() + async def on_message(self, message: discord.Message) -> None: + """Move an available channel to the In Use category and replace it with a dormant one.""" + if message.author.bot: + return # Ignore messages sent by bots. + + await self.init_task + + if channel_utils.is_in_category(message.channel, constants.Categories.help_available): + if not _channel.is_excluded_channel(message.channel): + await self.claim_channel(message) + else: + await _message.check_for_answer(message) + + @commands.Cog.listener() + async def on_message_delete(self, msg: discord.Message) -> None: + """ + Reschedule an in-use channel to become dormant sooner if the channel is empty. + + The new time for the dormant task is configured with `HelpChannels.deleted_idle_minutes`. + """ + await self.init_task + + if not channel_utils.is_in_category(msg.channel, constants.Categories.help_in_use): + return + + if not await _message.is_empty(msg.channel): + return + + log.info(f"Claimant of #{msg.channel} ({msg.author}) deleted message, channel is empty now. Rescheduling task.") + + # Cancel existing dormant task before scheduling new. + self.scheduler.cancel(msg.channel.id) + + delay = constants.HelpChannels.deleted_idle_minutes * 60 + self.scheduler.schedule_later(delay, msg.channel.id, self.move_idle_channel(msg.channel)) + + async def wait_for_dormant_channel(self) -> discord.TextChannel: + """Wait for a dormant channel to become available in the queue and return it.""" + log.trace("Waiting for a dormant channel.") + + task = asyncio.create_task(self.channel_queue.get()) + self.queue_tasks.append(task) + channel = await task + + log.trace(f"Channel #{channel} ({channel.id}) finally retrieved from the queue.") + self.queue_tasks.remove(task) + + return channel diff --git a/bot/exts/help_channels/_cooldown.py b/bot/exts/help_channels/_cooldown.py new file mode 100644 index 000000000..c5c39297f --- /dev/null +++ b/bot/exts/help_channels/_cooldown.py @@ -0,0 +1,95 @@ +import logging +from typing import Callable, Coroutine + +import discord + +import bot +from bot import constants +from bot.exts.help_channels import _caches, _channel +from bot.utils.scheduling import Scheduler + +log = logging.getLogger(__name__) +CoroutineFunc = Callable[..., Coroutine] + + +async def add_cooldown_role(member: discord.Member) -> None: + """Add the help cooldown role to `member`.""" + log.trace(f"Adding cooldown role for {member} ({member.id}).") + await _change_cooldown_role(member, member.add_roles) + + +async def check_cooldowns(scheduler: Scheduler) -> None: + """Remove expired cooldowns and re-schedule active ones.""" + log.trace("Checking all cooldowns to remove or re-schedule them.") + guild = bot.instance.get_guild(constants.Guild.id) + cooldown = constants.HelpChannels.claim_minutes * 60 + + for channel_id, member_id in await _caches.claimants.items(): + member = guild.get_member(member_id) + if not member: + continue # Member probably left the guild. + + in_use_time = await _channel.get_in_use_time(channel_id) + + if not in_use_time or in_use_time.seconds > cooldown: + # Remove the role if no claim time could be retrieved or if the cooldown expired. + # Since the channel is in the claimants cache, it is definitely strange for a time + # to not exist. However, it isn't a reason to keep the user stuck with a cooldown. + await remove_cooldown_role(member) + else: + # The member is still on a cooldown; re-schedule it for the remaining time. + delay = cooldown - in_use_time.seconds + scheduler.schedule_later(delay, member.id, remove_cooldown_role(member)) + + +async def remove_cooldown_role(member: discord.Member) -> None: + """Remove the help cooldown role from `member`.""" + log.trace(f"Removing cooldown role for {member} ({member.id}).") + await _change_cooldown_role(member, member.remove_roles) + + +async def revoke_send_permissions(member: discord.Member, scheduler: Scheduler) -> None: + """ + Disallow `member` to send messages in the Available category for a certain time. + + The time until permissions are reinstated can be configured with + `HelpChannels.claim_minutes`. + """ + log.trace( + f"Revoking {member}'s ({member.id}) send message permissions in the Available category." + ) + + await add_cooldown_role(member) + + # Cancel the existing task, if any. + # Would mean the user somehow bypassed the lack of permissions (e.g. user is guild owner). + if member.id in scheduler: + scheduler.cancel(member.id) + + delay = constants.HelpChannels.claim_minutes * 60 + scheduler.schedule_later(delay, member.id, remove_cooldown_role(member)) + + +async def _change_cooldown_role(member: discord.Member, coro_func: CoroutineFunc) -> None: + """ + Change `member`'s cooldown role via awaiting `coro_func` and handle errors. + + `coro_func` is intended to be `discord.Member.add_roles` or `discord.Member.remove_roles`. + """ + guild = bot.instance.get_guild(constants.Guild.id) + role = guild.get_role(constants.Roles.help_cooldown) + if role is None: + log.warning(f"Help cooldown role ({constants.Roles.help_cooldown}) could not be found!") + return + + try: + await coro_func(role) + except discord.NotFound: + log.debug(f"Failed to change role for {member} ({member.id}): member not found") + except discord.Forbidden: + log.debug( + f"Forbidden to change role for {member} ({member.id}); " + f"possibly due to role hierarchy" + ) + except discord.HTTPException as e: + log.error(f"Failed to change role for {member} ({member.id}): {e.status} {e.code}") diff --git a/bot/exts/help_channels/_message.py b/bot/exts/help_channels/_message.py new file mode 100644 index 000000000..2bbd4bdd6 --- /dev/null +++ b/bot/exts/help_channels/_message.py @@ -0,0 +1,217 @@ +import logging +import typing as t +from datetime import datetime + +import discord + +import bot +from bot import constants +from bot.exts.help_channels import _caches +from bot.utils.channel import is_in_category + +log = logging.getLogger(__name__) + +ASKING_GUIDE_URL = "https://pythondiscord.com/pages/asking-good-questions/" + +AVAILABLE_MSG = f""" +**Send your question here to claim the channel** +This channel will be dedicated to answering your question only. Others will try to answer and help you solve the issue. + +**Keep in mind:** +• It's always ok to just ask your question. You don't need permission. +• Explain what you expect to happen and what actually happens. +• Include a code sample and error message, if you got any. + +For more tips, check out our guide on **[asking good questions]({ASKING_GUIDE_URL})**. +""" + +AVAILABLE_TITLE = "Available help channel" + +AVAILABLE_FOOTER = f"Closes after {constants.HelpChannels.idle_minutes} minutes of inactivity or when you send !close." + +DORMANT_MSG = f""" +This help channel has been marked as **dormant**, and has been moved into the **Help: Dormant** \ +category at the bottom of the channel list. It is no longer possible to send messages in this \ +channel until it becomes available again. + +If your question wasn't answered yet, you can claim a new help channel from the \ +**Help: Available** category by simply asking your question again. Consider rephrasing the \ +question to maximize your chance of getting a good answer. If you're not sure how, have a look \ +through our guide for **[asking a good question]({ASKING_GUIDE_URL})**. +""" + + +async def check_for_answer(message: discord.Message) -> None: + """Checks for whether new content in a help channel comes from non-claimants.""" + channel = message.channel + + # Confirm the channel is an in use help channel + if is_in_category(channel, constants.Categories.help_in_use): + log.trace(f"Checking if #{channel} ({channel.id}) has been answered.") + + # Check if there is an entry in unanswered + if await _caches.unanswered.contains(channel.id): + claimant_id = await _caches.claimants.get(channel.id) + if not claimant_id: + # The mapping for this channel doesn't exist, we can't do anything. + return + + # Check the message did not come from the claimant + if claimant_id != message.author.id: + # Mark the channel as answered + await _caches.unanswered.set(channel.id, False) + + +async def get_last_message(channel: discord.TextChannel) -> t.Optional[discord.Message]: + """Return the last message sent in the channel or None if no messages exist.""" + log.trace(f"Getting the last message in #{channel} ({channel.id}).") + + try: + return await channel.history(limit=1).next() # noqa: B305 + except discord.NoMoreItems: + log.debug(f"No last message available; #{channel} ({channel.id}) has no messages.") + return None + + +async def is_empty(channel: discord.TextChannel) -> bool: + """Return True if there's an AVAILABLE_MSG and the messages leading up are bot messages.""" + log.trace(f"Checking if #{channel} ({channel.id}) is empty.") + + # A limit of 100 results in a single API call. + # If AVAILABLE_MSG isn't found within 100 messages, then assume the channel is not empty. + # Not gonna do an extensive search for it cause it's too expensive. + async for msg in channel.history(limit=100): + if not msg.author.bot: + log.trace(f"#{channel} ({channel.id}) has a non-bot message.") + return False + + if _match_bot_embed(msg, AVAILABLE_MSG): + log.trace(f"#{channel} ({channel.id}) has the available message embed.") + return True + + return False + + +async def notify(channel: discord.TextChannel, last_notification: t.Optional[datetime]) -> t.Optional[datetime]: + """ + Send a message in `channel` notifying about a lack of available help channels. + + If a notification was sent, return the `datetime` at which the message was sent. Otherwise, + return None. + + Configuration: + + * `HelpChannels.notify` - toggle notifications + * `HelpChannels.notify_minutes` - minimum interval between notifications + * `HelpChannels.notify_roles` - roles mentioned in notifications + """ + if not constants.HelpChannels.notify: + return + + log.trace("Notifying about lack of channels.") + + if last_notification: + elapsed = (datetime.utcnow() - last_notification).seconds + minimum_interval = constants.HelpChannels.notify_minutes * 60 + should_send = elapsed >= minimum_interval + else: + should_send = True + + if not should_send: + log.trace("Notification not sent because it's too recent since the previous one.") + return + + try: + log.trace("Sending notification message.") + + mentions = " ".join(f"<@&{role}>" for role in constants.HelpChannels.notify_roles) + allowed_roles = [discord.Object(id_) for id_ in constants.HelpChannels.notify_roles] + + message = await channel.send( + f"{mentions} A new available help channel is needed but there " + f"are no more dormant ones. Consider freeing up some in-use channels manually by " + f"using the `{constants.Bot.prefix}dormant` command within the channels.", + allowed_mentions=discord.AllowedMentions(everyone=False, roles=allowed_roles) + ) + + return message.created_at + except Exception: + # Handle it here cause this feature isn't critical for the functionality of the system. + log.exception("Failed to send notification about lack of dormant channels!") + + +async def pin(message: discord.Message) -> None: + """Pin an initial question `message` and store it in a cache.""" + if await _pin_wrapper(message.id, message.channel, pin=True): + await _caches.question_messages.set(message.channel.id, message.id) + + +async def send_available_message(channel: discord.TextChannel) -> None: + """Send the available message by editing a dormant message or sending a new message.""" + channel_info = f"#{channel} ({channel.id})" + log.trace(f"Sending available message in {channel_info}.") + + embed = discord.Embed( + color=constants.Colours.bright_green, + description=AVAILABLE_MSG, + ) + embed.set_author(name=AVAILABLE_TITLE, icon_url=constants.Icons.green_checkmark) + embed.set_footer(text=AVAILABLE_FOOTER) + + msg = await get_last_message(channel) + if _match_bot_embed(msg, DORMANT_MSG): + log.trace(f"Found dormant message {msg.id} in {channel_info}; editing it.") + await msg.edit(embed=embed) + else: + log.trace(f"Dormant message not found in {channel_info}; sending a new message.") + await channel.send(embed=embed) + + +async def unpin(channel: discord.TextChannel) -> None: + """Unpin the initial question message sent in `channel`.""" + msg_id = await _caches.question_messages.pop(channel.id) + if msg_id is None: + log.debug(f"#{channel} ({channel.id}) doesn't have a message pinned.") + else: + await _pin_wrapper(msg_id, channel, pin=False) + + +def _match_bot_embed(message: t.Optional[discord.Message], description: str) -> bool: + """Return `True` if the bot's `message`'s embed description matches `description`.""" + if not message or not message.embeds: + return False + + bot_msg_desc = message.embeds[0].description + if bot_msg_desc is discord.Embed.Empty: + log.trace("Last message was a bot embed but it was empty.") + return False + return message.author == bot.instance.user and bot_msg_desc.strip() == description.strip() + + +async def _pin_wrapper(msg_id: int, channel: discord.TextChannel, *, pin: bool) -> bool: + """ + Pin message `msg_id` in `channel` if `pin` is True or unpin if it's False. + + Return True if successful and False otherwise. + """ + channel_str = f"#{channel} ({channel.id})" + if pin: + func = bot.instance.http.pin_message + verb = "pin" + else: + func = bot.instance.http.unpin_message + verb = "unpin" + + try: + await func(channel.id, msg_id) + except discord.HTTPException as e: + if e.code == 10008: + log.debug(f"Message {msg_id} in {channel_str} doesn't exist; can't {verb}.") + else: + log.exception( + f"Error {verb}ning message {msg_id} in {channel_str}: {e.status} ({e.code})" + ) + return False + else: + log.trace(f"{verb.capitalize()}ned message {msg_id} in {channel_str}.") + return True diff --git a/bot/exts/help_channels/_name.py b/bot/exts/help_channels/_name.py new file mode 100644 index 000000000..728234b1e --- /dev/null +++ b/bot/exts/help_channels/_name.py @@ -0,0 +1,69 @@ +import json +import logging +import typing as t +from collections import deque +from pathlib import Path + +import discord + +from bot import constants +from bot.exts.help_channels._channel import MAX_CHANNELS_PER_CATEGORY, get_category_channels + +log = logging.getLogger(__name__) + + +def create_name_queue(*categories: discord.CategoryChannel) -> deque: + """ + Return a queue of element names to use for creating new channels. + + Skip names that are already in use by channels in `categories`. + """ + log.trace("Creating the chemical element name queue.") + + used_names = _get_used_names(*categories) + + log.trace("Determining the available names.") + available_names = (name for name in _get_names() if name not in used_names) + + log.trace("Populating the name queue with names.") + return deque(available_names) + + +def _get_names() -> t.List[str]: + """ + Return a truncated list of prefixed element names. + + The amount of names is configured with `HelpChannels.max_total_channels`. + The prefix is configured with `HelpChannels.name_prefix`. + """ + count = constants.HelpChannels.max_total_channels + prefix = constants.HelpChannels.name_prefix + + log.trace(f"Getting the first {count} element names from JSON.") + + with Path("bot/resources/elements.json").open(encoding="utf-8") as elements_file: + all_names = json.load(elements_file) + + if prefix: + return [prefix + name for name in all_names[:count]] + else: + return all_names[:count] + + +def _get_used_names(*categories: discord.CategoryChannel) -> t.Set[str]: + """Return names which are already being used by channels in `categories`.""" + log.trace("Getting channel names which are already being used.") + + names = set() + for cat in categories: + for channel in get_category_channels(cat): + names.add(channel.name) + + if len(names) > MAX_CHANNELS_PER_CATEGORY: + log.warning( + f"Too many help channels ({len(names)}) already exist! " + f"Discord only supports {MAX_CHANNELS_PER_CATEGORY} in a category." + ) + + log.trace(f"Got {len(names)} used names: {names}") + return names diff --git a/bot/exts/help_channels/_stats.py b/bot/exts/help_channels/_stats.py new file mode 100644 index 000000000..b8778e7d9 --- /dev/null +++ b/bot/exts/help_channels/_stats.py @@ -0,0 +1,42 @@ +import logging + +from more_itertools import ilen + +import bot +from bot import constants +from bot.exts.help_channels import _caches, _channel + +log = logging.getLogger(__name__) + + +def report_counts() -> None: + """Report channel count stats of each help category.""" + for name in ("in_use", "available", "dormant"): + id_ = getattr(constants.Categories, f"help_{name}") + category = bot.instance.get_channel(id_) + + if category: + total = ilen(_channel.get_category_channels(category)) + bot.instance.stats.gauge(f"help.total.{name}", total) + else: + log.warning(f"Couldn't find category {name!r} to track channel count stats.") + + +async def report_complete_session(channel_id: int, is_auto: bool) -> None: + """ + Report stats for a completed help session channel `channel_id`. + + Set `is_auto` to True if the channel was automatically closed or False if manually closed. + """ + caller = "auto" if is_auto else "command" + bot.instance.stats.incr(f"help.dormant_calls.{caller}") + + in_use_time = await _channel.get_in_use_time(channel_id) + if in_use_time: + bot.instance.stats.timing("help.in_use_time", in_use_time) + + unanswered = await _caches.unanswered.get(channel_id) + if unanswered: + bot.instance.stats.incr("help.sessions.unanswered") + elif unanswered is not None: + bot.instance.stats.incr("help.sessions.answered") diff --git a/bot/exts/info/help.py b/bot/exts/info/help.py index 461ff82fd..3a05b2c8a 100644 --- a/bot/exts/info/help.py +++ b/bot/exts/info/help.py @@ -5,7 +5,7 @@ from contextlib import suppress from typing import List, Union from discord import Colour, Embed -from discord.ext.commands import Bot, Cog, Command, Context, Group, HelpCommand +from discord.ext.commands import Bot, Cog, Command, CommandError, Context, DisabledCommand, Group, HelpCommand from fuzzywuzzy import fuzz, process from fuzzywuzzy.utils import full_process @@ -20,6 +20,8 @@ log = logging.getLogger(__name__) COMMANDS_PER_PAGE = 8 PREFIX = constants.Bot.prefix +NOT_ALLOWED_TO_RUN_MESSAGE = "***You cannot run this command.***\n\n" + Category = namedtuple("Category", ["name", "description", "cogs"]) @@ -173,9 +175,16 @@ class CustomHelpCommand(HelpCommand): if aliases: command_details += f"**Can also use:** {aliases}\n\n" - # check if the user is allowed to run this command - if not await command.can_run(self.context): - command_details += "***You cannot run this command.***\n\n" + # when command is disabled, show message about it, + # when other CommandError or user is not allowed to run command, + # add this to help message. + try: + if not await command.can_run(self.context): + command_details += NOT_ALLOWED_TO_RUN_MESSAGE + except DisabledCommand: + command_details += "***This command is disabled.***\n\n" + except CommandError: + command_details += NOT_ALLOWED_TO_RUN_MESSAGE command_details += f"*{command.help or 'No details provided.'}*\n" embed.description = command_details diff --git a/bot/exts/info/information.py b/bot/exts/info/information.py index 5aaf85e5a..4499e4c25 100644 --- a/bot/exts/info/information.py +++ b/bot/exts/info/information.py @@ -2,33 +2,26 @@ import colorsys import logging import pprint import textwrap -from collections import Counter, defaultdict -from string import Template -from typing import Any, Mapping, Optional, Tuple, Union +from collections import defaultdict +from typing import Any, DefaultDict, Dict, Mapping, Optional, Tuple, Union -from discord import ChannelType, Colour, Embed, Guild, Message, Role, Status, utils -from discord.abc import GuildChannel +import fuzzywuzzy +from discord import Colour, Embed, Guild, Message, Role from discord.ext.commands import BucketType, Cog, Context, Paginator, command, group, has_any_role from bot import constants +from bot.api import ResponseCodeError from bot.bot import Bot from bot.converters import FetchedMember from bot.decorators import in_whitelist from bot.pagination import LinePaginator -from bot.utils.channel import is_mod_channel +from bot.utils.channel import is_mod_channel, is_staff_channel from bot.utils.checks import cooldown_with_role_bypass, has_no_roles_check, in_whitelist_check from bot.utils.time import time_since log = logging.getLogger(__name__) -STATUS_EMOTES = { - Status.offline: constants.Emojis.status_offline, - Status.dnd: constants.Emojis.status_dnd, - Status.idle: constants.Emojis.status_idle -} - - class Information(Cog): """A cog with commands for generating embeds with server info, such as server stats and user info.""" @@ -36,47 +29,53 @@ class Information(Cog): self.bot = bot @staticmethod - def role_can_read(channel: GuildChannel, role: Role) -> bool: - """Return True if `role` can read messages in `channel`.""" - overwrites = channel.overwrites_for(role) - return overwrites.read_messages is True + def get_channel_type_counts(guild: Guild) -> DefaultDict[str, int]: + """Return the total amounts of the various types of channels in `guild`.""" + channel_counter = defaultdict(int) - def get_staff_channel_count(self, guild: Guild) -> int: - """ - Get the number of channels that are staff-only. + for channel in guild.channels: + if is_staff_channel(channel): + channel_counter["staff"] += 1 + else: + channel_counter[str(channel.type)] += 1 - We need to know two things about a channel: - - Does the @everyone role have explicit read deny permissions? - - Do staff roles have explicit read allow permissions? + return channel_counter - If the answer to both of these questions is yes, it's a staff channel. - """ - channel_ids = set() - for channel in guild.channels: - if channel.type is ChannelType.category: - continue + @staticmethod + def get_member_counts(guild: Guild) -> Dict[str, int]: + """Return the total number of members for certain roles in `guild`.""" + roles = ( + guild.get_role(role_id) for role_id in ( + constants.Roles.helpers, constants.Roles.moderators, constants.Roles.admins, + constants.Roles.owners, constants.Roles.contributors, + ) + ) + return {role.name.title(): len(role.members) for role in roles} - everyone_can_read = self.role_can_read(channel, guild.default_role) + def get_extended_server_info(self) -> str: + """Return additional server info only visible in moderation channels.""" + talentpool_info = "" + if cog := self.bot.get_cog("Talentpool"): + talentpool_info = f"Nominated: {len(cog.watched_users)}\n" - for role in constants.STAFF_ROLES: - role_can_read = self.role_can_read(channel, guild.get_role(role)) - if role_can_read and not everyone_can_read: - channel_ids.add(channel.id) - break + bb_info = "" + if cog := self.bot.get_cog("Big Brother"): + bb_info = f"BB-watched: {len(cog.watched_users)}\n" - return len(channel_ids) + defcon_info = "" + if cog := self.bot.get_cog("Defcon"): + defcon_status = "Enabled" if cog.enabled else "Disabled" + defcon_days = cog.days.days if cog.enabled else "-" + defcon_info = f"Defcon status: {defcon_status}\nDefcon days: {defcon_days}\n" - @staticmethod - def get_channel_type_counts(guild: Guild) -> str: - """Return the total amounts of the various types of channels in `guild`.""" - channel_counter = Counter(c.type for c in guild.channels) - channel_type_list = [] - for channel, count in channel_counter.items(): - channel_type = str(channel).title() - channel_type_list.append(f"{channel_type} channels: {count}") + python_general = self.bot.get_channel(constants.Channels.python_general) - channel_type_list = sorted(channel_type_list) - return "\n".join(channel_type_list) + return textwrap.dedent(f""" + {talentpool_info}\ + {bb_info}\ + {defcon_info}\ + {python_general.mention} cooldown: {python_general.slowmode_delay}s + """) @has_any_role(*constants.STAFF_ROLES) @command(name="roles") @@ -106,22 +105,28 @@ class Information(Cog): To specify multiple roles just add to the arguments, delimit roles with spaces in them using quotation marks. """ - parsed_roles = [] - failed_roles = [] + parsed_roles = set() + failed_roles = set() + all_roles = {role.id: role.name for role in ctx.guild.roles} for role_name in roles: if isinstance(role_name, Role): # Role conversion has already succeeded - parsed_roles.append(role_name) + parsed_roles.add(role_name) continue - role = utils.find(lambda r: r.name.lower() == role_name.lower(), ctx.guild.roles) + match = fuzzywuzzy.process.extractOne( + role_name, all_roles, score_cutoff=80, + scorer=fuzzywuzzy.fuzz.ratio + ) - if not role: - failed_roles.append(role_name) + if not match: + failed_roles.add(role_name) continue - parsed_roles.append(role) + # `match` is a (role name, score, role id) tuple + role = ctx.guild.get_role(match[2]) + parsed_roles.add(role) if failed_roles: await ctx.send(f":x: Could not retrieve the following roles: {', '.join(failed_roles)}") @@ -145,51 +150,56 @@ class Information(Cog): @command(name="server", aliases=["server_info", "guild", "guild_info"]) async def server_info(self, ctx: Context) -> None: """Returns an embed full of server information.""" + embed = Embed(colour=Colour.blurple(), title="Server Information") + created = time_since(ctx.guild.created_at, precision="days") - features = ", ".join(ctx.guild.features) region = ctx.guild.region + num_roles = len(ctx.guild.roles) - 1 # Exclude @everyone - roles = len(ctx.guild.roles) - member_count = ctx.guild.member_count - channel_counts = self.get_channel_type_counts(ctx.guild) + # Server Features are only useful in certain channels + if ctx.channel.id in ( + *constants.MODERATION_CHANNELS, constants.Channels.dev_core, constants.Channels.dev_contrib + ): + features = f"\nFeatures: {', '.join(ctx.guild.features)}" + else: + features = "" - # How many of each user status? + # Member status py_invite = await self.bot.fetch_invite(constants.Guild.invite) online_presences = py_invite.approximate_presence_count offline_presences = py_invite.approximate_member_count - online_presences - embed = Embed(colour=Colour.blurple()) - - # How many staff members and staff channels do we have? - staff_member_count = len(ctx.guild.get_role(constants.Roles.helpers).members) - staff_channel_count = self.get_staff_channel_count(ctx.guild) - - # Because channel_counts lacks leading whitespace, it breaks the dedent if it's inserted directly by the - # f-string. While this is correctly formatted by Discord, it makes unit testing difficult. To keep the - # formatting without joining a tuple of strings we can use a Template string to insert the already-formatted - # channel_counts after the dedent is made. - embed.description = Template( - textwrap.dedent(f""" - **Server information** - Created: {created} - Voice region: {region} - Features: {features} - - **Channel counts** - $channel_counts - Staff channels: {staff_channel_count} - - **Member counts** - Members: {member_count:,} - Staff members: {staff_member_count} - Roles: {roles} - - **Member statuses** - {constants.Emojis.status_online} {online_presences:,} - {constants.Emojis.status_offline} {offline_presences:,} - """) - ).substitute({"channel_counts": channel_counts}) + member_status = ( + f"{constants.Emojis.status_online} {online_presences} " + f"{constants.Emojis.status_offline} {offline_presences}" + ) + + embed.description = textwrap.dedent(f""" + Created: {created} + Voice region: {region}\ + {features} + Roles: {num_roles} + Member status: {member_status} + """) embed.set_thumbnail(url=ctx.guild.icon_url) + # Members + total_members = ctx.guild.member_count + member_counts = self.get_member_counts(ctx.guild) + member_info = "\n".join(f"{role}: {count}" for role, count in member_counts.items()) + embed.add_field(name=f"Members: {total_members}", value=member_info) + + # Channels + total_channels = len(ctx.guild.channels) + channel_counts = self.get_channel_type_counts(ctx.guild) + channel_info = "\n".join( + f"{channel.title()}: {count}" for channel, count in sorted(channel_counts.items()) + ) + embed.add_field(name=f"Channels: {total_channels}", value=channel_info) + + # Additional info if ran in moderation channels + if is_mod_channel(ctx.channel): + embed.add_field(name="Moderation:", value=self.get_extended_server_info()) + await ctx.send(embed=embed) @command(name="user", aliases=["user_info", "member", "member_info"]) @@ -224,13 +234,16 @@ class Information(Cog): if is_set and (emoji := getattr(constants.Emojis, f"badge_{badge}", None)): badges.append(emoji) + activity = await self.user_messages(user) + if on_server: joined = time_since(user.joined_at, max_units=3) roles = ", ".join(role.mention for role in user.roles[1:]) - membership = textwrap.dedent(f""" - Joined: {joined} - Roles: {roles or None} - """).strip() + membership = {"Joined": joined, "Verified": not user.pending, "Roles": roles or None} + if not is_mod_channel(ctx.channel): + membership.pop("Verified") + + membership = textwrap.dedent("\n".join([f"{key}: {value}" for key, value in membership.items()])) else: roles = None membership = "The user is not a member of the server" @@ -252,6 +265,8 @@ class Information(Cog): # Show more verbose output in moderation channels for infractions and nominations if is_mod_channel(ctx.channel): + fields.append(activity) + fields.append(await self.expanded_user_infraction_counts(user)) fields.append(await self.user_nomination_counts(user)) else: @@ -354,6 +369,30 @@ class Information(Cog): return "Nominations", "\n".join(output) + async def user_messages(self, user: FetchedMember) -> Tuple[Union[bool, str], Tuple[str, str]]: + """ + Gets the amount of messages for `member`. + + Fetches information from the metricity database that's hosted by the site. + If the database returns a code besides a 404, then many parts of the bot are broken including this one. + """ + activity_output = [] + + try: + user_activity = await self.bot.api_client.get(f"bot/users/{user.id}/metricity_data") + except ResponseCodeError as e: + if e.status == 404: + activity_output = "No activity" + else: + activity_output.append(user_activity["total_messages"] or "No messages") + activity_output.append(user_activity["activity_blocks"] or "No activity") + + activity_output = "\n".join( + f"{name}: {metric}" for name, metric in zip(["Messages", "Activity blocks"], activity_output) + ) + + return ("Activity", activity_output) + def format_fields(self, mapping: Mapping[str, Any], field_width: Optional[int] = None) -> str: """Format a mapping to be readable to a human.""" # sorting is technically superfluous but nice if you want to look for a specific field @@ -390,10 +429,14 @@ class Information(Cog): return out.rstrip() @cooldown_with_role_bypass(2, 60 * 3, BucketType.member, bypass_roles=constants.STAFF_ROLES) - @group(invoke_without_command=True, enabled=False) + @group(invoke_without_command=True) @in_whitelist(channels=(constants.Channels.bot_commands,), roles=constants.STAFF_ROLES) async def raw(self, ctx: Context, *, message: Message, json: bool = False) -> None: """Shows information about the raw API response.""" + if ctx.author not in message.channel.members: + await ctx.send(":x: You do not have permissions to see the channel this message is in.") + return + # I *guess* it could be deleted right as the command is invoked but I felt like it wasn't worth handling # doing this extra request is also much easier than trying to convert everything back into a dictionary again raw_data = await ctx.bot.http.get_message(message.channel.id, message.id) @@ -425,7 +468,7 @@ class Information(Cog): for page in paginator.pages: await ctx.send(page) - @raw.command(enabled=False) + @raw.command() async def json(self, ctx: Context, message: Message) -> None: """Shows information about the raw API response in a copy-pasteable Python format.""" await ctx.invoke(self.raw, message=message, json=True) diff --git a/bot/exts/info/pep.py b/bot/exts/info/pep.py new file mode 100644 index 000000000..8ac96bbdb --- /dev/null +++ b/bot/exts/info/pep.py @@ -0,0 +1,164 @@ +import logging +from datetime import datetime, timedelta +from email.parser import HeaderParser +from io import StringIO +from typing import Dict, Optional, Tuple + +from discord import Colour, Embed +from discord.ext.commands import Cog, Context, command + +from bot.bot import Bot +from bot.constants import Keys +from bot.utils.cache import AsyncCache + +log = logging.getLogger(__name__) + +ICON_URL = "https://www.python.org/static/opengraph-icon-200x200.png" +BASE_PEP_URL = "http://www.python.org/dev/peps/pep-" +PEPS_LISTING_API_URL = "https://api.github.com/repos/python/peps/contents?ref=master" + +pep_cache = AsyncCache() + +GITHUB_API_HEADERS = {} +if Keys.github: + GITHUB_API_HEADERS["Authorization"] = f"token {Keys.github}" + + +class PythonEnhancementProposals(Cog): + """Cog for displaying information about PEPs.""" + + def __init__(self, bot: Bot): + self.bot = bot + self.peps: Dict[int, str] = {} + # To avoid situations where we don't have last datetime, set this to now. + self.last_refreshed_peps: datetime = datetime.now() + self.bot.loop.create_task(self.refresh_peps_urls()) + + async def refresh_peps_urls(self) -> None: + """Refresh PEP URLs listing in every 3 hours.""" + # Wait until HTTP client is available + await self.bot.wait_until_ready() + log.trace("Started refreshing PEP URLs.") + self.last_refreshed_peps = datetime.now() + + async with self.bot.http_session.get( + PEPS_LISTING_API_URL, + headers=GITHUB_API_HEADERS + ) as resp: + if resp.status != 200: + log.warning(f"Fetching PEP URLs from GitHub API failed with code {resp.status}") + return + + listing = await resp.json() + + log.trace("Got PEP URLs listing from GitHub API") + + for file in listing: + name = file["name"] + if name.startswith("pep-") and name.endswith((".rst", ".txt")): + pep_number = name.replace("pep-", "").split(".")[0] + self.peps[int(pep_number)] = file["download_url"] + + log.info("Successfully refreshed PEP URLs listing.") + + @staticmethod + def get_pep_zero_embed() -> Embed: + """Get information embed about PEP 0.""" + pep_embed = Embed( + title="**PEP 0 - Index of Python Enhancement Proposals (PEPs)**", + url="https://www.python.org/dev/peps/" + ) + pep_embed.set_thumbnail(url=ICON_URL) + pep_embed.add_field(name="Status", value="Active") + pep_embed.add_field(name="Created", value="13-Jul-2000") + pep_embed.add_field(name="Type", value="Informational") + + return pep_embed + + async def validate_pep_number(self, pep_nr: int) -> Optional[Embed]: + """Validate is PEP number valid. When it isn't, return error embed, otherwise None.""" + if ( + pep_nr not in self.peps + and (self.last_refreshed_peps + timedelta(minutes=30)) <= datetime.now() + and len(str(pep_nr)) < 5 + ): + await self.refresh_peps_urls() + + if pep_nr not in self.peps: + log.trace(f"PEP {pep_nr} was not found") + return Embed( + title="PEP not found", + description=f"PEP {pep_nr} does not exist.", + colour=Colour.red() + ) + + return None + + def generate_pep_embed(self, pep_header: Dict, pep_nr: int) -> Embed: + """Generate PEP embed based on PEP headers data.""" + # Assemble the embed + pep_embed = Embed( + title=f"**PEP {pep_nr} - {pep_header['Title']}**", + description=f"[Link]({BASE_PEP_URL}{pep_nr:04})", + ) + + pep_embed.set_thumbnail(url=ICON_URL) + + # Add the interesting information + fields_to_check = ("Status", "Python-Version", "Created", "Type") + for field in fields_to_check: + # Check for a PEP metadata field that is present but has an empty value + # embed field values can't contain an empty string + if pep_header.get(field, ""): + pep_embed.add_field(name=field, value=pep_header[field]) + + return pep_embed + + @pep_cache(arg_offset=1) + async def get_pep_embed(self, pep_nr: int) -> Tuple[Embed, bool]: + """Fetch, generate and return PEP embed. Second item of return tuple show does getting success.""" + response = await self.bot.http_session.get(self.peps[pep_nr]) + + if response.status == 200: + log.trace(f"PEP {pep_nr} found") + pep_content = await response.text() + + # Taken from https://github.com/python/peps/blob/master/pep0/pep.py#L179 + pep_header = HeaderParser().parse(StringIO(pep_content)) + return self.generate_pep_embed(pep_header, pep_nr), True + else: + log.trace( + f"The user requested PEP {pep_nr}, but the response had an unexpected status code: {response.status}." + ) + return Embed( + title="Unexpected error", + description="Unexpected HTTP error during PEP search. Please let us know.", + colour=Colour.red() + ), False + + @command(name='pep', aliases=('get_pep', 'p')) + async def pep_command(self, ctx: Context, pep_number: int) -> None: + """Fetches information about a PEP and sends it to the channel.""" + # Trigger typing in chat to show users that bot is responding + await ctx.trigger_typing() + + # Handle PEP 0 directly because it's not in .rst or .txt so it can't be accessed like other PEPs. + if pep_number == 0: + pep_embed = self.get_pep_zero_embed() + success = True + else: + success = False + if not (pep_embed := await self.validate_pep_number(pep_number)): + pep_embed, success = await self.get_pep_embed(pep_number) + + await ctx.send(embed=pep_embed) + if success: + log.trace(f"PEP {pep_number} getting and sending finished successfully. Increasing stat.") + self.bot.stats.incr(f"pep_fetches.{pep_number}") + else: + log.trace(f"Getting PEP {pep_number} failed. Error embed sent.") + + +def setup(bot: Bot) -> None: + """Load the PEP cog.""" + bot.add_cog(PythonEnhancementProposals(bot)) diff --git a/bot/exts/info/pypi.py b/bot/exts/info/pypi.py new file mode 100644 index 000000000..3e326e8bb --- /dev/null +++ b/bot/exts/info/pypi.py @@ -0,0 +1,70 @@ +import itertools +import logging +import random + +from discord import Embed +from discord.ext.commands import Cog, Context, command +from discord.utils import escape_markdown + +from bot.bot import Bot +from bot.constants import Colours, NEGATIVE_REPLIES + +URL = "https://pypi.org/pypi/{package}/json" +FIELDS = ("author", "requires_python", "summary", "license") +PYPI_ICON = "https://cdn.discordapp.com/emojis/766274397257334814.png" +PYPI_COLOURS = itertools.cycle((Colours.yellow, Colours.blue, Colours.white)) + +log = logging.getLogger(__name__) + + +class PyPi(Cog): + """Cog for getting information about PyPi packages.""" + + def __init__(self, bot: Bot): + self.bot = bot + + @command(name="pypi", aliases=("package", "pack")) + async def get_package_info(self, ctx: Context, package: str) -> None: + """Provide information about a specific package from PyPI.""" + embed = Embed( + title=random.choice(NEGATIVE_REPLIES), + colour=Colours.soft_red + ) + embed.set_thumbnail(url=PYPI_ICON) + + async with self.bot.http_session.get(URL.format(package=package)) as response: + if response.status == 404: + embed.description = "Package could not be found." + + elif response.status == 200 and response.content_type == "application/json": + response_json = await response.json() + info = response_json["info"] + + embed.title = f"{info['name']} v{info['version']}" + embed.url = info['package_url'] + embed.colour = next(PYPI_COLOURS) + + for field in FIELDS: + field_data = info[field] + + # Field could be completely empty, in some cases can be a string with whitespaces, or None. + if field_data and not field_data.isspace(): + if '\n' in field_data and field == "license": + field_data = field_data.split('\n')[0] + + embed.add_field( + name=field.replace("_", " ").title(), + value=escape_markdown(field_data), + inline=False, + ) + + else: + embed.description = "There was an error when fetching your PyPi package." + log.trace(f"Error when fetching PyPi package: {response.status}.") + + await ctx.send(embed=embed) + + +def setup(bot: Bot) -> None: + """Load the PyPi cog.""" + bot.add_cog(PyPi(bot)) diff --git a/bot/exts/info/reddit.py b/bot/exts/info/reddit.py index bad4c504d..6790be762 100644 --- a/bot/exts/info/reddit.py +++ b/bot/exts/info/reddit.py @@ -45,7 +45,7 @@ class Reddit(Cog): """Stop the loop task and revoke the access token when the cog is unloaded.""" self.auto_poster_loop.cancel() if self.access_token and self.access_token.expires_at > datetime.utcnow(): - asyncio.create_task(self.revoke_access_token()) + self.bot.closing_tasks.append(asyncio.create_task(self.revoke_access_token())) async def init_reddit_ready(self) -> None: """Sets the reddit webhook when the cog is loaded.""" diff --git a/bot/exts/info/tags.py b/bot/exts/info/tags.py index 8f15f932b..00b4d1a78 100644 --- a/bot/exts/info/tags.py +++ b/bot/exts/info/tags.py @@ -46,7 +46,7 @@ class Tags(Cog): "embed": { "description": file.read_text(encoding="utf8"), }, - "restricted_to": "developers", + "restricted_to": None, "location": f"/bot/{file}" } @@ -63,7 +63,7 @@ class Tags(Cog): @staticmethod def check_accessibility(user: Member, tag: dict) -> bool: """Check if user can access a tag.""" - return tag["restricted_to"].lower() in [role.name.lower() for role in user.roles] + return not tag["restricted_to"] or tag["restricted_to"].lower() in [role.name.lower() for role in user.roles] @staticmethod def _fuzzy_search(search: str, target: str) -> float: @@ -182,10 +182,15 @@ class Tags(Cog): matching_tags = self._get_tags_via_content(any, keywords or 'any', ctx.author) await self._send_matching_tags(ctx, keywords, matching_tags) - @tags_group.command(name='get', aliases=('show', 'g')) - async def get_command(self, ctx: Context, *, tag_name: TagNameConverter = None) -> None: - """Get a specified tag, or a list of all tags if no tag is specified.""" + async def display_tag(self, ctx: Context, tag_name: str = None) -> bool: + """ + If a tag is not found, display similar tag names as suggestions. + If a tag is not specified, display a paginated embed of all tags. + + Tags are on cooldowns on a per-tag, per-channel basis. If a tag is on cooldown, display + nothing and return False. + """ def _command_on_cooldown(tag_name: str) -> bool: """ Check if the command is currently on cooldown, on a per-tag, per-channel basis. @@ -212,7 +217,7 @@ class Tags(Cog): f"{ctx.author} tried to get the '{tag_name}' tag, but the tag is on cooldown. " f"Cooldown ends in {time_left:.1f} seconds." ) - return + return False if tag_name is not None: temp_founds = self._get_tag(tag_name) @@ -237,6 +242,7 @@ class Tags(Cog): await ctx.send(embed=Embed.from_dict(tag['embed'])), [ctx.author.id], ) + return True elif founds and len(tag_name) >= 3: await wait_for_deletion( await ctx.send( @@ -247,6 +253,7 @@ class Tags(Cog): ), [ctx.author.id], ) + return True else: tags = self._cache.values() @@ -255,6 +262,7 @@ class Tags(Cog): description="**There are no tags in the database!**", colour=Colour.red() )) + return True else: embed: Embed = Embed(title="**Current tags**") await LinePaginator.paginate( @@ -268,6 +276,18 @@ class Tags(Cog): empty=False, max_lines=15 ) + return True + + return False + + @tags_group.command(name='get', aliases=('show', 'g')) + async def get_command(self, ctx: Context, *, tag_name: TagNameConverter = None) -> bool: + """ + Get a specified tag, or a list of all tags if no tag is specified. + + Returns False if a tag is on cooldown, or if no matches are found. + """ + return await self.display_tag(ctx, tag_name) def setup(bot: Bot) -> None: diff --git a/bot/exts/moderation/dm_relay.py b/bot/exts/moderation/dm_relay.py index 4d5142b55..6d081741c 100644 --- a/bot/exts/moderation/dm_relay.py +++ b/bot/exts/moderation/dm_relay.py @@ -52,6 +52,10 @@ class DMRelay(Cog): await ctx.message.add_reaction("❌") return + if member.id == self.bot.user.id: + log.debug("Not sending message to bot user") + return await ctx.send("🚫 I can't send messages to myself!") + try: await member.send(message) except discord.errors.Forbidden: diff --git a/bot/exts/moderation/infraction/_scheduler.py b/bot/exts/moderation/infraction/_scheduler.py index bebade0ae..a73f2e8da 100644 --- a/bot/exts/moderation/infraction/_scheduler.py +++ b/bot/exts/moderation/infraction/_scheduler.py @@ -74,23 +74,49 @@ class InfractionScheduler: return # Allowing mod log since this is a passive action that should be logged. - await apply_coro - log.info(f"Re-applied {infraction['type']} to user {infraction['user']} upon rejoining.") + try: + await apply_coro + except discord.HTTPException as e: + # When user joined and then right after this left again before action completed, this can't apply roles + if e.code == 10007 or e.status == 404: + log.info( + f"Can't reapply {infraction['type']} to user {infraction['user']} because user left the guild." + ) + else: + log.exception( + f"Got unexpected HTTPException (HTTP {e.status}, Discord code {e.code})" + f"when awaiting {infraction['type']} coroutine for {infraction['user']}." + ) + else: + log.info(f"Re-applied {infraction['type']} to user {infraction['user']} upon rejoining.") async def apply_infraction( self, ctx: Context, infraction: _utils.Infraction, user: UserSnowflake, - action_coro: t.Optional[t.Awaitable] = None - ) -> None: - """Apply an infraction to the user, log the infraction, and optionally notify the user.""" + action_coro: t.Optional[t.Awaitable] = None, + user_reason: t.Optional[str] = None, + additional_info: str = "", + ) -> bool: + """ + Apply an infraction to the user, log the infraction, and optionally notify the user. + + `action_coro`, if not provided, will result in the infraction not getting scheduled for deletion. + `user_reason`, if provided, will be sent to the user in place of the infraction reason. + `additional_info` will be attached to the text field in the mod-log embed. + + Returns whether or not the infraction succeeded. + """ infr_type = infraction["type"] icon = _utils.INFRACTION_ICONS[infr_type][0] reason = infraction["reason"] expiry = time.format_infraction_with_duration(infraction["expires_at"]) id_ = infraction['id'] + if user_reason is None: + user_reason = reason + log.trace(f"Applying {infr_type} infraction #{id_} to {user}.") # Default values for the confirmation message and mod log. @@ -126,7 +152,7 @@ class InfractionScheduler: log.error(f"Failed to DM {user.id}: could not fetch user (status {e.status})") else: # Accordingly display whether the user was successfully notified via DM. - if await _utils.notify_infraction(user, " ".join(infr_type.split("_")).title(), expiry, reason, icon): + if await _utils.notify_infraction(user, infr_type.replace("_", " ").title(), expiry, user_reason, icon): dm_result = ":incoming_envelope: " dm_log_text = "\nDM: Sent" @@ -166,6 +192,10 @@ class InfractionScheduler: log_msg = f"Failed to apply {' '.join(infr_type.split('_'))} infraction #{id_} to {user}" if isinstance(e, discord.Forbidden): log.warning(f"{log_msg}: bot lacks permissions.") + elif e.code == 10007 or e.status == 404: + log.info( + f"Can't apply {infraction['type']} to user {infraction['user']} because user left from guild." + ) else: log.exception(log_msg) failed = True @@ -198,12 +228,14 @@ class InfractionScheduler: Member: {messages.format_user(user)} Actor: {ctx.author.mention}{dm_log_text}{expiry_log_text} Reason: {reason} + {additional_info} """), content=log_content, footer=f"ID {infraction['id']}" ) log.info(f"Applied {infr_type} infraction #{id_} to {user}.") + return not failed async def pardon_infraction( self, @@ -338,9 +370,16 @@ class InfractionScheduler: log_text["Failure"] = "The bot lacks permissions to do this (role hierarchy?)" log_content = mod_role.mention except discord.HTTPException as e: - log.exception(f"Failed to deactivate infraction #{id_} ({type_})") - log_text["Failure"] = f"HTTPException with status {e.status} and code {e.code}." - log_content = mod_role.mention + if e.code == 10007 or e.status == 404: + log.info( + f"Can't pardon {infraction['type']} for user {infraction['user']} because user left the guild." + ) + log_text["Failure"] = "User left the guild." + log_content = mod_role.mention + else: + log.exception(f"Failed to deactivate infraction #{id_} ({type_})") + log_text["Failure"] = f"HTTPException with status {e.status} and code {e.code}." + log_content = mod_role.mention # Check if the user is currently being watched by Big Brother. try: diff --git a/bot/exts/moderation/infraction/_utils.py b/bot/exts/moderation/infraction/_utils.py index d0dc3f0a1..e766c1e5c 100644 --- a/bot/exts/moderation/infraction/_utils.py +++ b/bot/exts/moderation/infraction/_utils.py @@ -7,6 +7,7 @@ from discord.ext.commands import Context from bot.api import ResponseCodeError from bot.constants import Colours, Icons +from bot.errors import InvalidInfractedUser log = logging.getLogger(__name__) @@ -79,6 +80,10 @@ async def post_infraction( active: bool = True ) -> t.Optional[dict]: """Posts an infraction to the API.""" + if isinstance(user, (discord.Member, discord.User)) and user.bot: + log.trace(f"Posting of {infr_type} infraction for {user} to the API aborted. User is a bot.") + raise InvalidInfractedUser(user) + log.trace(f"Posting {infr_type} infraction for {user} to the API.") payload = { diff --git a/bot/exts/moderation/infraction/infractions.py b/bot/exts/moderation/infraction/infractions.py index 746d4e154..7349d65f2 100644 --- a/bot/exts/moderation/infraction/infractions.py +++ b/bot/exts/moderation/infraction/infractions.py @@ -10,7 +10,7 @@ from discord.ext.commands import Context, command from bot import constants from bot.bot import Bot from bot.constants import Event -from bot.converters import Expiry, FetchedMember +from bot.converters import Duration, Expiry, FetchedMember from bot.decorators import respect_role_hierarchy from bot.exts.moderation.infraction import _utils from bot.exts.moderation.infraction._scheduler import InfractionScheduler @@ -27,7 +27,7 @@ class Infractions(InfractionScheduler, commands.Cog): category_description = "Server moderation tools." def __init__(self, bot: Bot): - super().__init__(bot, supported_infractions={"ban", "kick", "mute", "note", "warning"}) + super().__init__(bot, supported_infractions={"ban", "kick", "mute", "note", "warning", "voice_ban"}) self.category = "Moderation" self._muted_role = discord.Object(constants.Roles.muted) @@ -98,7 +98,13 @@ class Infractions(InfractionScheduler, commands.Cog): # region: Temporary infractions @command(aliases=["mute"]) - async def tempmute(self, ctx: Context, user: Member, duration: Expiry, *, reason: t.Optional[str] = None) -> None: + async def tempmute( + self, ctx: Context, + user: Member, + duration: t.Optional[Expiry] = None, + *, + reason: t.Optional[str] = None + ) -> None: """ Temporarily mute a user for the given reason and duration. @@ -113,7 +119,11 @@ class Infractions(InfractionScheduler, commands.Cog): \u2003`s` - seconds Alternatively, an ISO 8601 timestamp can be provided for the duration. + + If no duration is given, a one hour duration is used by default. """ + if duration is None: + duration = await Duration().convert(ctx, "1h") await self.apply_mute(ctx, user, reason, expires_at=duration) @command() @@ -180,11 +190,6 @@ class Infractions(InfractionScheduler, commands.Cog): await self.apply_infraction(ctx, infraction, user) - @command(hidden=True, aliases=['shadowkick', 'skick']) - async def shadow_kick(self, ctx: Context, user: Member, *, reason: t.Optional[str] = None) -> None: - """Kick a user for the given reason without notifying the user.""" - await self.apply_kick(ctx, user, reason, hidden=True) - @command(hidden=True, aliases=['shadowban', 'sban']) async def shadow_ban(self, ctx: Context, user: FetchedMember, *, reason: t.Optional[str] = None) -> None: """Permanently ban a user for the given reason without notifying the user.""" @@ -193,32 +198,7 @@ class Infractions(InfractionScheduler, commands.Cog): # endregion # region: Temporary shadow infractions - @command(hidden=True, aliases=["shadowtempmute, stempmute", "shadowmute", "smute"]) - async def shadow_tempmute( - self, ctx: Context, - user: Member, - duration: Expiry, - *, - reason: t.Optional[str] = None - ) -> None: - """ - Temporarily mute a user for the given reason and duration without notifying the user. - - A unit of time should be appended to the duration. - Units (∗case-sensitive): - \u2003`y` - years - \u2003`m` - months∗ - \u2003`w` - weeks - \u2003`d` - days - \u2003`h` - hours - \u2003`M` - minutes∗ - \u2003`s` - seconds - - Alternatively, an ISO 8601 timestamp can be provided for the duration. - """ - await self.apply_mute(ctx, user, reason, expires_at=duration, hidden=True) - - @command(hidden=True, aliases=["shadowtempban, stempban"]) + @command(hidden=True, aliases=["shadowtempban", "stempban"]) async def shadow_tempban( self, ctx: Context, @@ -277,6 +257,10 @@ class Infractions(InfractionScheduler, commands.Cog): self.mod_log.ignore(Event.member_update, user.id) async def action() -> None: + # Skip members that left the server + if not isinstance(user, Member): + return + await user.add_roles(self._muted_role, reason=reason) log.trace(f"Attempting to kick {user} from voice because they've been muted.") @@ -371,10 +355,15 @@ class Infractions(InfractionScheduler, commands.Cog): if reason: reason = textwrap.shorten(reason, width=512, placeholder="...") - await user.move_to(None, reason="Disconnected from voice to apply voiceban.") + async def action() -> None: + # Skip members that left the server + if not isinstance(user, Member): + return + + await user.move_to(None, reason="Disconnected from voice to apply voiceban.") + await user.remove_roles(self._voice_verified_role, reason=reason) - action = user.remove_roles(self._voice_verified_role, reason=reason) - await self.apply_infraction(ctx, infraction, user, action) + await self.apply_infraction(ctx, infraction, user, action()) # endregion # region: Base pardon functions diff --git a/bot/exts/moderation/infraction/management.py b/bot/exts/moderation/infraction/management.py index 394f63da3..b3783cd60 100644 --- a/bot/exts/moderation/infraction/management.py +++ b/bot/exts/moderation/infraction/management.py @@ -10,7 +10,7 @@ from discord.utils import escape_markdown from bot import constants from bot.bot import Bot -from bot.converters import Expiry, Snowflake, UserMention, allowed_strings, proxy_user +from bot.converters import Expiry, Infraction, Snowflake, UserMention, allowed_strings, proxy_user from bot.exts.moderation.infraction.infractions import Infractions from bot.exts.moderation.modlog import ModLog from bot.pagination import LinePaginator @@ -40,16 +40,55 @@ class ModManagement(commands.Cog): # region: Edit infraction commands - @commands.group(name='infraction', aliases=('infr', 'infractions', 'inf'), invoke_without_command=True) + @commands.group(name='infraction', aliases=('infr', 'infractions', 'inf', 'i'), invoke_without_command=True) async def infraction_group(self, ctx: Context) -> None: """Infraction manipulation commands.""" await ctx.send_help(ctx.command) - @infraction_group.command(name='edit') + @infraction_group.command(name="append", aliases=("amend", "add", "a")) + async def infraction_append( + self, + ctx: Context, + infraction: Infraction, + duration: t.Union[Expiry, allowed_strings("p", "permanent"), None], # noqa: F821 + *, + reason: str = None + ) -> None: + """ + Append text and/or edit the duration of an infraction. + + Durations are relative to the time of updating and should be appended with a unit of time. + Units (∗case-sensitive): + \u2003`y` - years + \u2003`m` - months∗ + \u2003`w` - weeks + \u2003`d` - days + \u2003`h` - hours + \u2003`M` - minutes∗ + \u2003`s` - seconds + + Use "l", "last", or "recent" as the infraction ID to specify that the most recent infraction + authored by the command invoker should be edited. + + Use "p" or "permanent" to mark the infraction as permanent. Alternatively, an ISO 8601 + timestamp can be provided for the duration. + + If a previous infraction reason does not end with an ending punctuation mark, this automatically + adds a period before the amended reason. + """ + old_reason = infraction["reason"] + + if old_reason is not None: + add_period = not old_reason.endswith((".", "!", "?")) + reason = old_reason + (". " if add_period else " ") + reason + + await self.infraction_edit(ctx, infraction, duration, reason=reason) + + @infraction_group.command(name='edit', aliases=('e',)) async def infraction_edit( self, ctx: Context, - infraction_id: t.Union[int, allowed_strings("l", "last", "recent")], # noqa: F821 + infraction: Infraction, duration: t.Union[Expiry, allowed_strings("p", "permanent"), None], # noqa: F821 *, reason: str = None @@ -77,30 +116,13 @@ class ModManagement(commands.Cog): # Unlike UserInputError, the error handler will show a specified message for BadArgument raise commands.BadArgument("Neither a new expiry nor a new reason was specified.") - # Retrieve the previous infraction for its information. - if isinstance(infraction_id, str): - params = { - "actor__id": ctx.author.id, - "ordering": "-inserted_at" - } - infractions = await self.bot.api_client.get("bot/infractions", params=params) - - if infractions: - old_infraction = infractions[0] - infraction_id = old_infraction["id"] - else: - await ctx.send( - ":x: Couldn't find most recent infraction; you have never given an infraction." - ) - return - else: - old_infraction = await self.bot.api_client.get(f"bot/infractions/{infraction_id}") + infraction_id = infraction["id"] request_data = {} confirm_messages = [] log_text = "" - if duration is not None and not old_infraction['active']: + if duration is not None and not infraction['active']: if reason is None: await ctx.send(":x: Cannot edit the expiration of an expired infraction.") return @@ -119,7 +141,7 @@ class ModManagement(commands.Cog): request_data['reason'] = reason confirm_messages.append("set a new reason") log_text += f""" - Previous reason: {old_infraction['reason']} + Previous reason: {infraction['reason']} New reason: {reason} """.rstrip() else: @@ -134,7 +156,7 @@ class ModManagement(commands.Cog): # Re-schedule infraction if the expiration has been updated if 'expires_at' in request_data: # A scheduled task should only exist if the old infraction wasn't permanent - if old_infraction['expires_at']: + if infraction['expires_at']: self.infractions_cog.scheduler.cancel(new_infraction['id']) # If the infraction was not marked as permanent, schedule a new expiration task @@ -142,7 +164,7 @@ class ModManagement(commands.Cog): self.infractions_cog.schedule_expiration(new_infraction) log_text += f""" - Previous expiry: {old_infraction['expires_at'] or "Permanent"} + Previous expiry: {infraction['expires_at'] or "Permanent"} New expiry: {new_infraction['expires_at'] or "Permanent"} """.rstrip() @@ -175,7 +197,7 @@ class ModManagement(commands.Cog): # endregion # region: Search infractions - @infraction_group.group(name="search", invoke_without_command=True) + @infraction_group.group(name="search", aliases=('s',), invoke_without_command=True) async def infraction_search_group(self, ctx: Context, query: t.Union[UserMention, Snowflake, str]) -> None: """Searches for infractions in the database.""" if isinstance(query, int): diff --git a/bot/exts/moderation/infraction/superstarify.py b/bot/exts/moderation/infraction/superstarify.py index adfe42fcd..ffc470c54 100644 --- a/bot/exts/moderation/infraction/superstarify.py +++ b/bot/exts/moderation/infraction/superstarify.py @@ -5,7 +5,7 @@ import textwrap import typing as t from pathlib import Path -from discord import Colour, Embed, Member +from discord import Embed, Member from discord.ext.commands import Cog, Context, command, has_any_role from discord.utils import escape_markdown @@ -104,14 +104,14 @@ class Superstarify(InfractionScheduler, Cog): await self.reapply_infraction(infraction, action) - @command(name="superstarify", aliases=("force_nick", "star")) + @command(name="superstarify", aliases=("force_nick", "star", "starify")) async def superstarify( self, ctx: Context, member: Member, duration: Expiry, *, - reason: str = None, + reason: str = '', ) -> None: """ Temporarily force a random superstar name (like Taylor Swift) to be the user's nickname. @@ -128,74 +128,62 @@ class Superstarify(InfractionScheduler, Cog): Alternatively, an ISO 8601 timestamp can be provided for the duration. - An optional reason can be provided. If no reason is given, the original name will be shown - in a generated reason. + An optional reason can be provided, which would be added to a message stating their old nickname + and linking to the nickname policy. """ if await _utils.get_active_infraction(ctx, member, "superstar"): return # Post the infraction to the API old_nick = member.display_name - reason = reason or f"old nick: {old_nick}" - infraction = await _utils.post_infraction(ctx, member, "superstar", reason, duration, active=True) + infraction_reason = f'Old nickname: {old_nick}. {reason}' + infraction = await _utils.post_infraction(ctx, member, "superstar", infraction_reason, duration, active=True) id_ = infraction["id"] forced_nick = self.get_nick(id_, member.id) expiry_str = format_infraction(infraction["expires_at"]) - # Apply the infraction and schedule the expiration task. - log.debug(f"Changing nickname of {member} to {forced_nick}.") - self.mod_log.ignore(constants.Event.member_update, member.id) - await member.edit(nick=forced_nick, reason=reason) - self.schedule_expiration(infraction) + # Apply the infraction + async def action() -> None: + log.debug(f"Changing nickname of {member} to {forced_nick}.") + self.mod_log.ignore(constants.Event.member_update, member.id) + await member.edit(nick=forced_nick, reason=reason) old_nick = escape_markdown(old_nick) forced_nick = escape_markdown(forced_nick) - # Send a DM to the user to notify them of their new infraction. - await _utils.notify_infraction( - user=member, - infr_type="Superstarify", - expires_at=expiry_str, - icon_url=_utils.INFRACTION_ICONS["superstar"][0], - reason=f"Your nickname didn't comply with our [nickname policy]({NICKNAME_POLICY_URL})." + nickname_info = textwrap.dedent(f""" + Old nickname: `{old_nick}` + New nickname: `{forced_nick}` + """).strip() + + user_message = ( + f"Your previous nickname, **{old_nick}**, " + f"was so bad that we have decided to change it. " + f"Your new nickname will be **{forced_nick}**.\n\n" + "{reason}" + f"You will be unable to change your nickname until **{expiry_str}**. " + "If you're confused by this, please read our " + f"[official nickname policy]({NICKNAME_POLICY_URL})." + ).format + + successful = await self.apply_infraction( + ctx, infraction, member, action(), + user_reason=user_message(reason=f'**Additional details:** {reason}\n\n' if reason else ''), + additional_info=nickname_info ) - # Send an embed with the infraction information to the invoking context. - log.trace(f"Sending superstar #{id_} embed.") - embed = Embed( - title="Congratulations!", - colour=constants.Colours.soft_orange, - description=( - f"Your previous nickname, **{old_nick}**, " - f"was so bad that we have decided to change it. " - f"Your new nickname will be **{forced_nick}**.\n\n" - f"You will be unable to change your nickname until **{expiry_str}**.\n\n" - "If you're confused by this, please read our " - f"[official nickname policy]({NICKNAME_POLICY_URL})." + # Send an embed with to the invoking context if superstar was successful. + if successful: + log.trace(f"Sending superstar #{id_} embed.") + embed = Embed( + title="Superstarified!", + colour=constants.Colours.soft_orange, + description=user_message(reason='') ) - ) - await ctx.send(embed=embed) - - # Log to the mod log channel. - log.trace(f"Sending apply mod log for superstar #{id_}.") - await self.mod_log.send_log_message( - icon_url=_utils.INFRACTION_ICONS["superstar"][0], - colour=Colour.gold(), - title="Member achieved superstardom", - thumbnail=member.avatar_url_as(static_format="png"), - text=textwrap.dedent(f""" - Member: {member.mention} - Actor: {ctx.message.author.mention} - Expires: {expiry_str} - Old nickname: `{old_nick}` - New nickname: `{forced_nick}` - Reason: {reason} - """), - footer=f"ID {id_}" - ) + await ctx.send(embed=embed) - @command(name="unsuperstarify", aliases=("release_nick", "unstar")) + @command(name="unsuperstarify", aliases=("release_nick", "unstar", "unstarify")) async def unsuperstarify(self, ctx: Context, member: Member) -> None: """Remove the superstarify infraction and allow the user to change their nickname.""" await self.pardon_infraction(ctx, "superstar", member) diff --git a/bot/exts/moderation/modlog.py b/bot/exts/moderation/modlog.py index b01de0ee3..2dae9d268 100644 --- a/bot/exts/moderation/modlog.py +++ b/bot/exts/moderation/modlog.py @@ -92,7 +92,6 @@ class ModLog(Cog, name="ModLog"): files: t.Optional[t.List[discord.File]] = None, content: t.Optional[str] = None, additional_embeds: t.Optional[t.List[discord.Embed]] = None, - additional_embeds_msg: t.Optional[str] = None, timestamp_override: t.Optional[datetime] = None, footer: t.Optional[str] = None, ) -> Context: @@ -133,8 +132,6 @@ class ModLog(Cog, name="ModLog"): ) if additional_embeds: - if additional_embeds_msg: - await channel.send(additional_embeds_msg) for additional_embed in additional_embeds: await channel.send(embed=additional_embed) @@ -549,6 +546,7 @@ class ModLog(Cog, name="ModLog"): f"**Author:** {format_user(author)}\n" f"**Channel:** {channel.category}/#{channel.name} (`{channel.id}`)\n" f"**Message ID:** `{message.id}`\n" + f"[Jump to message]({message.jump_url})\n" "\n" ) else: @@ -556,6 +554,7 @@ class ModLog(Cog, name="ModLog"): f"**Author:** {format_user(author)}\n" f"**Channel:** #{channel.name} (`{channel.id}`)\n" f"**Message ID:** `{message.id}`\n" + f"[Jump to message]({message.jump_url})\n" "\n" ) diff --git a/bot/exts/moderation/silence.py b/bot/exts/moderation/silence.py index e6712b3b6..2a7ca932e 100644 --- a/bot/exts/moderation/silence.py +++ b/bot/exts/moderation/silence.py @@ -72,7 +72,7 @@ class SilenceNotifier(tasks.Loop): class Silence(commands.Cog): - """Commands for stopping channel messages for `verified` role in a channel.""" + """Commands for stopping channel messages for `everyone` role in a channel.""" # Maps muted channel IDs to their previous overwrites for send_message and add_reactions. # Overwrites are stored as JSON. @@ -93,7 +93,7 @@ class Silence(commands.Cog): await self.bot.wait_until_guild_available() guild = self.bot.get_guild(Guild.id) - self._verified_role = guild.get_role(Roles.verified) + self._everyone_role = guild.default_role self._mod_alerts_channel = self.bot.get_channel(Channels.mod_alerts) self.notifier = SilenceNotifier(self.bot.get_channel(Channels.mod_log)) await self._reschedule() @@ -142,7 +142,7 @@ class Silence(commands.Cog): async def _unsilence_wrapper(self, channel: TextChannel) -> None: """Unsilence `channel` and send a success/failure message.""" if not await self._unsilence(channel): - overwrite = channel.overwrites_for(self._verified_role) + overwrite = channel.overwrites_for(self._everyone_role) if overwrite.send_messages is False or overwrite.add_reactions is False: await channel.send(MSG_UNSILENCE_MANUAL) else: @@ -152,14 +152,14 @@ class Silence(commands.Cog): async def _set_silence_overwrites(self, channel: TextChannel) -> bool: """Set silence permission overwrites for `channel` and return True if successful.""" - overwrite = channel.overwrites_for(self._verified_role) + overwrite = channel.overwrites_for(self._everyone_role) prev_overwrites = dict(send_messages=overwrite.send_messages, add_reactions=overwrite.add_reactions) if channel.id in self.scheduler or all(val is False for val in prev_overwrites.values()): return False overwrite.update(send_messages=False, add_reactions=False) - await channel.set_permissions(self._verified_role, overwrite=overwrite) + await channel.set_permissions(self._everyone_role, overwrite=overwrite) await self.previous_overwrites.set(channel.id, json.dumps(prev_overwrites)) return True @@ -188,14 +188,14 @@ class Silence(commands.Cog): log.info(f"Tried to unsilence channel #{channel} ({channel.id}) but the channel was not silenced.") return False - overwrite = channel.overwrites_for(self._verified_role) + overwrite = channel.overwrites_for(self._everyone_role) if prev_overwrites is None: log.info(f"Missing previous overwrites for #{channel} ({channel.id}); defaulting to None.") overwrite.update(send_messages=None, add_reactions=None) else: overwrite.update(**json.loads(prev_overwrites)) - await channel.set_permissions(self._verified_role, overwrite=overwrite) + await channel.set_permissions(self._everyone_role, overwrite=overwrite) log.info(f"Unsilenced channel #{channel} ({channel.id}).") self.scheduler.cancel(channel.id) @@ -207,7 +207,7 @@ class Silence(commands.Cog): await self._mod_alerts_channel.send( f"<@&{Roles.admins}> Restored overwrites with default values after unsilencing " f"{channel.mention}. Please check that the `Send Messages` and `Add Reactions` " - f"overwrites for {self._verified_role.mention} are at their desired values." + f"overwrites for {self._everyone_role.mention} are at their desired values." ) return True diff --git a/bot/exts/moderation/slowmode.py b/bot/exts/moderation/slowmode.py index efd862aa5..c449752e1 100644 --- a/bot/exts/moderation/slowmode.py +++ b/bot/exts/moderation/slowmode.py @@ -7,7 +7,7 @@ from discord import TextChannel from discord.ext.commands import Cog, Context, group, has_any_role from bot.bot import Bot -from bot.constants import Emojis, MODERATION_ROLES +from bot.constants import Channels, Emojis, MODERATION_ROLES from bot.converters import DurationDelta from bot.utils import time @@ -15,6 +15,12 @@ log = logging.getLogger(__name__) SLOWMODE_MAX_DELAY = 21600 # seconds +COMMONLY_SLOWMODED_CHANNELS = { + Channels.python_general: "python_general", + Channels.discord_py: "discordpy", + Channels.off_topic_0: "ot0", +} + class Slowmode(Cog): """Commands for getting and setting slowmode delays of text channels.""" @@ -58,6 +64,10 @@ class Slowmode(Cog): log.info(f'{ctx.author} set the slowmode delay for #{channel} to {humanized_delay}.') await channel.edit(slowmode_delay=slowmode_delay) + if channel.id in COMMONLY_SLOWMODED_CHANNELS: + log.info(f'Recording slowmode change in stats for {channel.name}.') + self.bot.stats.gauge(f"slowmode.{COMMONLY_SLOWMODED_CHANNELS[channel.id]}", slowmode_delay) + await ctx.send( f'{Emojis.check_mark} The slowmode delay for {channel.mention} is now {humanized_delay}.' ) @@ -75,16 +85,7 @@ class Slowmode(Cog): @slowmode_group.command(name='reset', aliases=['r']) async def reset_slowmode(self, ctx: Context, channel: Optional[TextChannel]) -> None: """Reset the slowmode delay for a text channel to 0 seconds.""" - # Use the channel this command was invoked in if one was not given - if channel is None: - channel = ctx.channel - - log.info(f'{ctx.author} reset the slowmode delay for #{channel} to 0 seconds.') - - await channel.edit(slowmode_delay=0) - await ctx.send( - f'{Emojis.check_mark} The slowmode delay for {channel.mention} has been reset to 0 seconds.' - ) + await self.set_slowmode(ctx, channel, relativedelta(seconds=0)) async def cog_check(self, ctx: Context) -> bool: """Only allow moderators to invoke the commands in this cog.""" diff --git a/bot/exts/moderation/verification.py b/bot/exts/moderation/verification.py index c599156d0..bfe9b74b4 100644 --- a/bot/exts/moderation/verification.py +++ b/bot/exts/moderation/verification.py @@ -1,27 +1,18 @@ -import asyncio import logging import typing as t -from contextlib import suppress -from datetime import datetime, timedelta import discord -from async_rediscache import RedisCache -from discord.ext import tasks -from discord.ext.commands import Cog, Context, command, group, has_any_role -from discord.utils import snowflake_time +from discord.ext.commands import Cog, Context, command, has_any_role from bot import constants -from bot.api import ResponseCodeError from bot.bot import Bot -from bot.decorators import has_no_roles, in_whitelist -from bot.exts.moderation.modlog import ModLog -from bot.utils.checks import InWhitelistCheckFailure, has_no_roles_check -from bot.utils.messages import format_user +from bot.decorators import in_whitelist +from bot.utils.checks import InWhitelistCheckFailure log = logging.getLogger(__name__) # Sent via DMs once user joins the guild -ON_JOIN_MESSAGE = f""" +ON_JOIN_MESSAGE = """ Welcome to Python Discord! To show you what kind of community we are, we've created this video: @@ -29,33 +20,10 @@ https://youtu.be/ZH26PuX3re0 As a new user, you have read-only access to a few select channels to give you a taste of what our server is like. \ In order to see the rest of the channels and to send messages, you first have to accept our rules. - -Please visit <#{constants.Channels.verification}> to get started. Thank you! """ -# Sent via DMs once user verifies VERIFIED_MESSAGE = f""" -Thanks for verifying yourself! - -For your records, these are the documents you accepted: - -`1)` Our rules, here: <https://pythondiscord.com/pages/rules> -`2)` Our privacy policy, here: <https://pythondiscord.com/pages/privacy> - you can find information on how to have \ -your information removed here as well. - -Feel free to review them at any point! - -Additionally, if you'd like to receive notifications for the announcements \ -we post in <#{constants.Channels.announcements}> -from time to time, you can send `!subscribe` to <#{constants.Channels.bot_commands}> at any time \ -to assign yourself the **Announcements** role. We'll mention this role every time we make an announcement. - -If you'd like to unsubscribe from the announcement notifications, simply send `!unsubscribe` to \ -<#{constants.Channels.bot_commands}>. -""" - -ALTERNATE_VERIFIED_MESSAGE = f""" -Thanks for accepting our rules! +You are now verified! You can find a copy of our rules for reference at <https://pythondiscord.com/pages/rules>. @@ -71,61 +39,6 @@ To introduce you to our community, we've made the following video: https://youtu.be/ZH26PuX3re0 """ -# Sent via DMs to users kicked for failing to verify -KICKED_MESSAGE = f""" -Hi! You have been automatically kicked from Python Discord as you have failed to accept our rules \ -within `{constants.Verification.kicked_after}` days. If this was an accident, please feel free to join us again! - -{constants.Guild.invite} -""" - -# Sent periodically in the verification channel -REMINDER_MESSAGE = f""" -<@&{constants.Roles.unverified}> - -Welcome to Python Discord! Please read the documents mentioned above and type `!accept` to gain permissions \ -to send messages in the community! - -You will be kicked if you don't verify within `{constants.Verification.kicked_after}` days. -""".strip() - -# An async function taking a Member param -Request = t.Callable[[discord.Member], t.Awaitable] - - -class StopExecution(Exception): - """Signals that a task should halt immediately & alert admins.""" - - def __init__(self, reason: discord.HTTPException) -> None: - super().__init__() - self.reason = reason - - -class Limit(t.NamedTuple): - """Composition over config for throttling requests.""" - - batch_size: int # Amount of requests after which to pause - sleep_secs: int # Sleep this many seconds after each batch - - -def mention_role(role_id: int) -> discord.AllowedMentions: - """Construct an allowed mentions instance that allows pinging `role_id`.""" - return discord.AllowedMentions(roles=[discord.Object(role_id)]) - - -def is_verified(member: discord.Member) -> bool: - """ - Check whether `member` is considered verified. - - Members are considered verified if they have at least 1 role other than - the default role (@everyone) and the @Unverified role. - """ - unverified_roles = { - member.guild.get_role(constants.Roles.unverified), - member.guild.default_role, - } - return len(set(member.roles) - unverified_roles) > 0 - async def safe_dm(coro: t.Coroutine) -> None: """ @@ -150,411 +63,16 @@ class Verification(Cog): """ User verification and role management. - There are two internal tasks in this cog: - - * `update_unverified_members` - * Unverified members are given the @Unverified role after configured `unverified_after` days - * Unverified members are kicked after configured `kicked_after` days - * `ping_unverified` - * Periodically ping the @Unverified role in the verification channel - Statistics are collected in the 'verification.' namespace. - Moderators+ can use the `verification` command group to start or stop both internal - tasks, if necessary. Settings are persisted in Redis across sessions. - - Additionally, this cog offers the !accept, !subscribe and !unsubscribe commands, - and keeps the verification channel clean by deleting messages. + Additionally, this cog offers the !subscribe and !unsubscribe commands, """ - # Persist task settings & last sent `REMINDER_MESSAGE` id - # RedisCache[ - # "tasks_running": int (0 or 1), - # "last_reminder": int (discord.Message.id), - # ] - task_cache = RedisCache() - - # Create a cache for storing recipients of the alternate welcome DM. - member_gating_cache = RedisCache() - def __init__(self, bot: Bot) -> None: """Start internal tasks.""" self.bot = bot - self.bot.loop.create_task(self._maybe_start_tasks()) - - def cog_unload(self) -> None: - """ - Cancel internal tasks. - - This is necessary, as tasks are not automatically cancelled on cog unload. - """ - self._stop_tasks(gracefully=False) - - @property - def mod_log(self) -> ModLog: - """Get currently loaded ModLog cog instance.""" - return self.bot.get_cog("ModLog") - - async def _maybe_start_tasks(self) -> None: - """ - Poll Redis to check whether internal tasks should start. - - Redis must be interfaced with from an async function. - """ - log.trace("Checking whether background tasks should begin") - setting: t.Optional[int] = await self.task_cache.get("tasks_running") # This can be None if never set - - if setting: - log.trace("Background tasks will be started") - self.update_unverified_members.start() - self.ping_unverified.start() - - def _stop_tasks(self, *, gracefully: bool) -> None: - """ - Stop the update users & ping @Unverified tasks. - - If `gracefully` is True, the tasks will be able to finish their current iteration. - Otherwise, they are cancelled immediately. - """ - log.info(f"Stopping internal tasks ({gracefully=})") - if gracefully: - self.update_unverified_members.stop() - self.ping_unverified.stop() - else: - self.update_unverified_members.cancel() - self.ping_unverified.cancel() - - # region: automatically update unverified users - - async def _verify_kick(self, n_members: int) -> bool: - """ - Determine whether `n_members` is a reasonable amount of members to kick. - - First, `n_members` is checked against the size of the PyDis guild. If `n_members` are - more than the configured `kick_confirmation_threshold` of the guild, the operation - must be confirmed by staff in #core-dev. Otherwise, the operation is seen as safe. - """ - log.debug(f"Checking whether {n_members} members are safe to kick") - - await self.bot.wait_until_guild_available() # Ensure cache is populated before we grab the guild - pydis = self.bot.get_guild(constants.Guild.id) - - percentage = n_members / len(pydis.members) - if percentage < constants.Verification.kick_confirmation_threshold: - log.debug(f"Kicking {percentage:.2%} of the guild's population is seen as safe") - return True - - # Since `n_members` is a suspiciously large number, we will ask for confirmation - log.debug("Amount of users is too large, requesting staff confirmation") - - core_dev_channel = pydis.get_channel(constants.Channels.dev_core) - core_dev_ping = f"<@&{constants.Roles.core_developers}>" - - confirmation_msg = await core_dev_channel.send( - f"{core_dev_ping} Verification determined that `{n_members}` members should be kicked as they haven't " - f"verified in `{constants.Verification.kicked_after}` days. This is `{percentage:.2%}` of the guild's " - f"population. Proceed?", - allowed_mentions=mention_role(constants.Roles.core_developers), - ) - - options = (constants.Emojis.incident_actioned, constants.Emojis.incident_unactioned) - for option in options: - await confirmation_msg.add_reaction(option) - - core_dev_ids = [member.id for member in pydis.get_role(constants.Roles.core_developers).members] - - def check(reaction: discord.Reaction, user: discord.User) -> bool: - """Check whether `reaction` is a valid reaction to `confirmation_msg`.""" - return ( - reaction.message.id == confirmation_msg.id # Reacted to `confirmation_msg` - and str(reaction.emoji) in options # With one of `options` - and user.id in core_dev_ids # By a core developer - ) - - timeout = 60 * 5 # Seconds, i.e. 5 minutes - try: - choice, _ = await self.bot.wait_for("reaction_add", check=check, timeout=timeout) - except asyncio.TimeoutError: - log.debug("Staff prompt not answered, aborting operation") - return False - finally: - with suppress(discord.HTTPException): - await confirmation_msg.clear_reactions() - - result = str(choice) == constants.Emojis.incident_actioned - log.debug(f"Received answer: {choice}, result: {result}") - - # Edit the prompt message to reflect the final choice - if result is True: - result_msg = f":ok_hand: {core_dev_ping} Request to kick `{n_members}` members was authorized!" - else: - result_msg = f":warning: {core_dev_ping} Request to kick `{n_members}` members was denied!" - - with suppress(discord.HTTPException): - await confirmation_msg.edit(content=result_msg) - - return result - - async def _alert_admins(self, exception: discord.HTTPException) -> None: - """ - Ping @Admins with information about `exception`. - - This is used when a critical `exception` caused a verification task to abort. - """ - await self.bot.wait_until_guild_available() - log.info(f"Sending admin alert regarding exception: {exception}") - - admins_channel = self.bot.get_guild(constants.Guild.id).get_channel(constants.Channels.admins) - ping = f"<@&{constants.Roles.admins}>" - - await admins_channel.send( - f"{ping} Aborted updating unverified users due to the following exception:\n" - f"```{exception}```\n" - f"Internal tasks will be stopped.", - allowed_mentions=mention_role(constants.Roles.admins), - ) - - async def _send_requests(self, members: t.Collection[discord.Member], request: Request, limit: Limit) -> int: - """ - Pass `members` one by one to `request` handling Discord exceptions. - - This coroutine serves as a generic `request` executor for kicking members and adding - roles, as it allows us to define the error handling logic in one place only. - - Any `request` has the ability to completely abort the execution by raising `StopExecution`. - In such a case, the @Admins will be alerted of the reason attribute. - - To avoid rate-limits, pass a `limit` configuring the batch size and the amount of seconds - to sleep between batches. - - Returns the amount of successful requests. Failed requests are logged at info level. - """ - log.trace(f"Sending {len(members)} requests") - n_success, bad_statuses = 0, set() - - for progress, member in enumerate(members, start=1): - if is_verified(member): # Member could have verified in the meantime - continue - try: - await request(member) - except StopExecution as stop_execution: - await self._alert_admins(stop_execution.reason) - await self.task_cache.set("tasks_running", 0) - self._stop_tasks(gracefully=True) # Gracefully finish current iteration, then stop - break - except discord.HTTPException as http_exc: - bad_statuses.add(http_exc.status) - else: - n_success += 1 - - if progress % limit.batch_size == 0: - log.trace(f"Processed {progress} requests, pausing for {limit.sleep_secs} seconds") - await asyncio.sleep(limit.sleep_secs) - - if bad_statuses: - log.info(f"Failed to send {len(members) - n_success} requests due to following statuses: {bad_statuses}") - - return n_success - - async def _add_kick_note(self, member: discord.Member) -> None: - """ - Post a note regarding `member` being kicked to site. - - Allows keeping track of kicked members for auditing purposes. - """ - payload = { - "active": False, - "actor": self.bot.user.id, # Bot actions this autonomously - "expires_at": None, - "hidden": True, - "reason": "Verification kick", - "type": "note", - "user": member.id, - } - - log.trace(f"Posting kick note for member {member} ({member.id})") - try: - await self.bot.api_client.post("bot/infractions", json=payload) - except ResponseCodeError as api_exc: - log.warning("Failed to post kick note", exc_info=api_exc) - - async def _kick_members(self, members: t.Collection[discord.Member]) -> int: - """ - Kick `members` from the PyDis guild. - - Due to strict ratelimits on sending messages (120 requests / 60 secs), we sleep for a second - after each 2 requests to allow breathing room for other features. - - Note that this is a potentially destructive operation. Returns the amount of successful requests. - """ - log.info(f"Kicking {len(members)} members (not verified after {constants.Verification.kicked_after} days)") - - async def kick_request(member: discord.Member) -> None: - """Send `KICKED_MESSAGE` to `member` and kick them from the guild.""" - try: - await safe_dm(member.send(KICKED_MESSAGE)) # Suppress disabled DMs - except discord.HTTPException as suspicious_exception: - raise StopExecution(reason=suspicious_exception) - await member.kick(reason=f"User has not verified in {constants.Verification.kicked_after} days") - await self._add_kick_note(member) - - n_kicked = await self._send_requests(members, kick_request, Limit(batch_size=2, sleep_secs=1)) - self.bot.stats.incr("verification.kicked", count=n_kicked) - - return n_kicked - - async def _give_role(self, members: t.Collection[discord.Member], role: discord.Role) -> int: - """ - Give `role` to all `members`. - - We pause for a second after batches of 25 requests to ensure ratelimits aren't exceeded. - - Returns the amount of successful requests. - """ - log.info( - f"Assigning {role} role to {len(members)} members (not verified " - f"after {constants.Verification.unverified_after} days)" - ) + self.pending_members = set() - async def role_request(member: discord.Member) -> None: - """Add `role` to `member`.""" - await member.add_roles(role, reason=f"Not verified after {constants.Verification.unverified_after} days") - - return await self._send_requests(members, role_request, Limit(batch_size=25, sleep_secs=1)) - - async def _check_members(self) -> t.Tuple[t.Set[discord.Member], t.Set[discord.Member]]: - """ - Check in on the verification status of PyDis members. - - This coroutine finds two sets of users: - * Not verified after configured `unverified_after` days, should be given the @Unverified role - * Not verified after configured `kicked_after` days, should be kicked from the guild - - These sets are always disjoint, i.e. share no common members. - """ - await self.bot.wait_until_guild_available() # Ensure cache is ready - pydis = self.bot.get_guild(constants.Guild.id) - - unverified = pydis.get_role(constants.Roles.unverified) - current_dt = datetime.utcnow() # Discord timestamps are UTC - - # Users to be given the @Unverified role, and those to be kicked, these should be entirely disjoint - for_role, for_kick = set(), set() - - log.debug("Checking verification status of guild members") - for member in pydis.members: - - # Skip verified members, bots, and members for which we do not know their join date, - # this should be extremely rare but docs mention that it can happen - if is_verified(member) or member.bot or member.joined_at is None: - continue - - # At this point, we know that `member` is an unverified user, and we will decide what - # to do with them based on time passed since their join date - since_join = current_dt - member.joined_at - - if since_join > timedelta(days=constants.Verification.kicked_after): - for_kick.add(member) # User should be removed from the guild - - elif ( - since_join > timedelta(days=constants.Verification.unverified_after) - and unverified not in member.roles - ): - for_role.add(member) # User should be given the @Unverified role - - log.debug(f"Found {len(for_role)} users for {unverified} role, {len(for_kick)} users to be kicked") - return for_role, for_kick - - @tasks.loop(minutes=30) - async def update_unverified_members(self) -> None: - """ - Periodically call `_check_members` and update unverified members accordingly. - - After each run, a summary will be sent to the modlog channel. If a suspiciously high - amount of members to be kicked is found, the operation is guarded by `_verify_kick`. - """ - log.info("Updating unverified guild members") - - await self.bot.wait_until_guild_available() - unverified = self.bot.get_guild(constants.Guild.id).get_role(constants.Roles.unverified) - - for_role, for_kick = await self._check_members() - - if not for_role: - role_report = f"Found no users to be assigned the {unverified.mention} role." - else: - n_roles = await self._give_role(for_role, unverified) - role_report = f"Assigned {unverified.mention} role to `{n_roles}`/`{len(for_role)}` members." - - if not for_kick: - kick_report = "Found no users to be kicked." - elif not await self._verify_kick(len(for_kick)): - kick_report = f"Not authorized to kick `{len(for_kick)}` members." - else: - n_kicks = await self._kick_members(for_kick) - kick_report = f"Kicked `{n_kicks}`/`{len(for_kick)}` members from the guild." - - await self.mod_log.send_log_message( - icon_url=self.bot.user.avatar_url, - colour=discord.Colour.blurple(), - title="Verification system", - text=f"{kick_report}\n{role_report}", - ) - - # endregion - # region: periodically ping @Unverified - - @tasks.loop(hours=constants.Verification.reminder_frequency) - async def ping_unverified(self) -> None: - """ - Delete latest `REMINDER_MESSAGE` and send it again. - - This utilizes RedisCache to persist the latest reminder message id. - """ - await self.bot.wait_until_guild_available() - verification = self.bot.get_guild(constants.Guild.id).get_channel(constants.Channels.verification) - - last_reminder: t.Optional[int] = await self.task_cache.get("last_reminder") - - if last_reminder is not None: - log.trace(f"Found verification reminder message in cache, deleting: {last_reminder}") - - with suppress(discord.HTTPException): # If something goes wrong, just ignore it - await self.bot.http.delete_message(verification.id, last_reminder) - - log.trace("Sending verification reminder") - new_reminder = await verification.send( - REMINDER_MESSAGE, allowed_mentions=mention_role(constants.Roles.unverified), - ) - - await self.task_cache.set("last_reminder", new_reminder.id) - - @ping_unverified.before_loop - async def _before_first_ping(self) -> None: - """ - Sleep until `REMINDER_MESSAGE` should be sent again. - - If latest reminder is not cached, exit instantly. Otherwise, wait wait until the - configured `reminder_frequency` has passed. - """ - last_reminder: t.Optional[int] = await self.task_cache.get("last_reminder") - - if last_reminder is None: - log.trace("Latest verification reminder message not cached, task will not wait") - return - - # Convert cached message id into a timestamp - time_since = datetime.utcnow() - snowflake_time(last_reminder) - log.trace(f"Time since latest verification reminder: {time_since}") - - to_sleep = timedelta(hours=constants.Verification.reminder_frequency) - time_since - log.trace(f"Time to sleep until next ping: {to_sleep}") - - # Delta can be negative if `reminder_frequency` has already passed - secs = max(to_sleep.total_seconds(), 0) - await asyncio.sleep(secs) - - # endregion # region: listeners @Cog.listener() @@ -563,24 +81,11 @@ class Verification(Cog): if member.guild.id != constants.Guild.id: return # Only listen for PyDis events - raw_member = await self.bot.http.get_member(member.guild.id, member.id) - - # If the user has the is_pending flag set, they will be using the alternate + # If the user has the pending flag set, they will be using the alternate # gate and will not need a welcome DM with verification instructions. # We will send them an alternate DM once they verify with the welcome - # video. - if raw_member.get("is_pending"): - await self.member_gating_cache.set(member.id, True) - - # TODO: Temporary, remove soon after asking joe. - await self.mod_log.send_log_message( - icon_url=self.bot.user.avatar_url, - colour=discord.Colour.blurple(), - title="New native gated user", - channel_id=constants.Channels.user_log, - text=f"<@{member.id}> ({member.id})", - ) - + # video when they pass the gate. + if member.pending: return log.trace(f"Sending on join message to new member: {member.id}") @@ -592,193 +97,18 @@ class Verification(Cog): @Cog.listener() async def on_member_update(self, before: discord.Member, after: discord.Member) -> None: """Check if we need to send a verification DM to a gated user.""" - before_roles = [role.id for role in before.roles] - after_roles = [role.id for role in after.roles] - - if constants.Roles.verified not in before_roles and constants.Roles.verified in after_roles: - if await self.member_gating_cache.pop(after.id): - try: - # If the member has not received a DM from our !accept command - # and has gone through the alternate gating system we should send - # our alternate welcome DM which includes info such as our welcome - # video. - await safe_dm(after.send(ALTERNATE_VERIFIED_MESSAGE)) - except discord.HTTPException: - log.exception("DM dispatch failed on unexpected error code") - - @Cog.listener() - async def on_message(self, message: discord.Message) -> None: - """Check new message event for messages to the checkpoint channel & process.""" - if message.channel.id != constants.Channels.verification: - return # Only listen for #checkpoint messages - - if message.content == REMINDER_MESSAGE: - return # Ignore bots own verification reminder - - if message.author.bot: - # They're a bot, delete their message after the delay. - await message.delete(delay=constants.Verification.bot_message_delete_delay) - return - - # if a user mentions a role or guild member - # alert the mods in mod-alerts channel - if message.mentions or message.role_mentions: - log.debug( - f"{message.author} mentioned one or more users " - f"and/or roles in {message.channel.name}" - ) - - embed_text = ( - f"{format_user(message.author)} sent a message in " - f"{message.channel.mention} that contained user and/or role mentions." - f"\n\n**Original message:**\n>>> {message.content}" - ) - - # Send pretty mod log embed to mod-alerts - await self.mod_log.send_log_message( - icon_url=constants.Icons.filtering, - colour=discord.Colour(constants.Colours.soft_red), - title=f"User/Role mentioned in {message.channel.name}", - text=embed_text, - thumbnail=message.author.avatar_url_as(static_format="png"), - channel_id=constants.Channels.mod_alerts, - ) - - ctx: Context = await self.bot.get_context(message) - if ctx.command is not None and ctx.command.name == "accept": - return - - if any(r.id == constants.Roles.verified for r in ctx.author.roles): - log.info( - f"{ctx.author} posted '{ctx.message.content}' " - "in the verification channel, but is already verified." - ) - return - - log.debug( - f"{ctx.author} posted '{ctx.message.content}' in the verification " - "channel. We are providing instructions how to verify." - ) - await ctx.send( - f"{ctx.author.mention} Please type `!accept` to verify that you accept our rules, " - f"and gain access to the rest of the server.", - delete_after=20 - ) - - log.trace(f"Deleting the message posted by {ctx.author}") - with suppress(discord.NotFound): - await ctx.message.delete() - - # endregion - # region: task management commands - - @has_any_role(*constants.MODERATION_ROLES) - @group(name="verification") - async def verification_group(self, ctx: Context) -> None: - """Manage internal verification tasks.""" - if ctx.invoked_subcommand is None: - await ctx.send_help(ctx.command) - - @verification_group.command(name="status") - async def status_cmd(self, ctx: Context) -> None: - """Check whether verification tasks are running.""" - log.trace("Checking status of verification tasks") - - if self.update_unverified_members.is_running(): - update_status = f"{constants.Emojis.incident_actioned} Member update task is running." - else: - update_status = f"{constants.Emojis.incident_unactioned} Member update task is **not** running." - - mention = f"<@&{constants.Roles.unverified}>" - if self.ping_unverified.is_running(): - ping_status = f"{constants.Emojis.incident_actioned} Ping {mention} task is running." - else: - ping_status = f"{constants.Emojis.incident_unactioned} Ping {mention} task is **not** running." - - embed = discord.Embed( - title="Verification system", - description=f"{update_status}\n{ping_status}", - colour=discord.Colour.blurple(), - ) - await ctx.send(embed=embed) - - @verification_group.command(name="start") - async def start_cmd(self, ctx: Context) -> None: - """Start verification tasks if they are not already running.""" - log.info("Starting verification tasks") - - if not self.update_unverified_members.is_running(): - self.update_unverified_members.start() - - if not self.ping_unverified.is_running(): - self.ping_unverified.start() - - await self.task_cache.set("tasks_running", 1) - - colour = discord.Colour.blurple() - await ctx.send(embed=discord.Embed(title="Verification system", description="Done. :ok_hand:", colour=colour)) - - @verification_group.command(name="stop", aliases=["kill"]) - async def stop_cmd(self, ctx: Context) -> None: - """Stop verification tasks.""" - log.info("Stopping verification tasks") - - self._stop_tasks(gracefully=False) - await self.task_cache.set("tasks_running", 0) - - colour = discord.Colour.blurple() - await ctx.send(embed=discord.Embed(title="Verification system", description="Tasks canceled.", colour=colour)) + if before.pending is True and after.pending is False: + try: + # If the member has not received a DM from our !accept command + # and has gone through the alternate gating system we should send + # our alternate welcome DM which includes info such as our welcome + # video. + await safe_dm(after.send(VERIFIED_MESSAGE)) + except discord.HTTPException: + log.exception("DM dispatch failed on unexpected error code") # endregion - # region: accept and subscribe commands - - def _bump_verified_stats(self, verified_member: discord.Member) -> None: - """ - Increment verification stats for `verified_member`. - - Each member falls into one of the three categories: - * Verified within 24 hours after joining - * Does not have @Unverified role yet - * Does have @Unverified role - - Stats for member kicking are handled separately. - """ - if verified_member.joined_at is None: # Docs mention this can happen - return - - if (datetime.utcnow() - verified_member.joined_at) < timedelta(hours=24): - category = "accepted_on_day_one" - elif constants.Roles.unverified not in [role.id for role in verified_member.roles]: - category = "accepted_before_unverified" - else: - category = "accepted_after_unverified" - - log.trace(f"Bumping verification stats in category: {category}") - self.bot.stats.incr(f"verification.{category}") - - @command(name='accept', aliases=('verify', 'verified', 'accepted'), hidden=True) - @has_no_roles(constants.Roles.verified) - @in_whitelist(channels=(constants.Channels.verification,)) - async def accept_command(self, ctx: Context, *_) -> None: # We don't actually care about the args - """Accept our rules and gain access to the rest of the server.""" - log.debug(f"{ctx.author} called !accept. Assigning the 'Developer' role.") - await ctx.author.add_roles(discord.Object(constants.Roles.verified), reason="Accepted the rules") - - self._bump_verified_stats(ctx.author) # This checks for @Unverified so make sure it's not yet removed - - if constants.Roles.unverified in [role.id for role in ctx.author.roles]: - log.debug(f"Removing Unverified role from: {ctx.author}") - await ctx.author.remove_roles(discord.Object(constants.Roles.unverified)) - - try: - await safe_dm(ctx.author.send(VERIFIED_MESSAGE)) - except discord.HTTPException: - log.exception(f"Sending welcome message failed for {ctx.author}.") - finally: - log.trace(f"Deleting accept message by {ctx.author}.") - with suppress(discord.NotFound): - self.mod_log.ignore(constants.Event.message_delete, ctx.message.id) - await ctx.message.delete() + # region: subscribe commands @command(name='subscribe') @in_whitelist(channels=(constants.Channels.bot_commands,)) @@ -839,14 +169,23 @@ class Verification(Cog): if isinstance(error, InWhitelistCheckFailure): error.handled = True - @staticmethod - async def bot_check(ctx: Context) -> bool: - """Block any command within the verification channel that is not !accept.""" - is_verification = ctx.channel.id == constants.Channels.verification - if is_verification and await has_no_roles_check(ctx, *constants.MODERATION_ROLES): - return ctx.command.name == "accept" - else: - return True + @command(name='verify') + @has_any_role(*constants.MODERATION_ROLES) + async def perform_manual_verification(self, ctx: Context, user: discord.Member) -> None: + """Command for moderators to verify any user.""" + log.trace(f'verify command called by {ctx.author} for {user.id}.') + + if not user.pending: + log.trace(f'{user.id} is already verified, aborting.') + await ctx.send(f'{constants.Emojis.cross_mark} {user.mention} is already verified.') + return + + # Adding a role automatically verifies the user, so we add and remove the Announcements role. + temporary_role = self.bot.get_guild(constants.Guild.id).get_role(constants.Roles.announcements) + await user.add_roles(temporary_role) + await user.remove_roles(temporary_role) + log.trace(f'{user.id} manually verified.') + await ctx.send(f'{constants.Emojis.check_mark} {user.mention} is now verified.') # endregion diff --git a/bot/exts/moderation/voice_gate.py b/bot/exts/moderation/voice_gate.py index 4d48d2c1b..0cbce6a51 100644 --- a/bot/exts/moderation/voice_gate.py +++ b/bot/exts/moderation/voice_gate.py @@ -5,7 +5,6 @@ from datetime import datetime, timedelta import discord from async_rediscache import RedisCache -from dateutil import parser from discord import Colour, Member, VoiceState from discord.ext.commands import Cog, Context, command @@ -29,7 +28,7 @@ FAILED_MESSAGE = ( ) MESSAGE_FIELD_MAP = { - "verified_at": f"have been verified for less than {GateConf.minimum_days_verified} days", + "joined_at": f"have been on the server for less than {GateConf.minimum_days_member} days", "voice_banned": "have an active voice ban infraction", "total_messages": f"have sent less than {GateConf.minimum_messages} messages", "activity_blocks": f"have been active for fewer than {GateConf.minimum_activity_blocks} ten-minute blocks", @@ -149,14 +148,8 @@ class VoiceGate(Cog): await ctx.author.send(embed=embed) return - # Pre-parse this for better code style - if data["verified_at"] is not None: - data["verified_at"] = parser.isoparse(data["verified_at"]) - else: - data["verified_at"] = datetime.utcnow() - timedelta(days=3) - checks = { - "verified_at": data["verified_at"] > datetime.utcnow() - timedelta(days=GateConf.minimum_days_verified), + "joined_at": ctx.author.joined_at > datetime.utcnow() - timedelta(days=GateConf.minimum_days_member), "total_messages": data["total_messages"] < GateConf.minimum_messages, "voice_banned": data["voice_banned"], "activity_blocks": data["activity_blocks"] < GateConf.minimum_activity_blocks diff --git a/bot/exts/moderation/watchchannels/_watchchannel.py b/bot/exts/moderation/watchchannels/_watchchannel.py index 7118dee02..f9fc12dc3 100644 --- a/bot/exts/moderation/watchchannels/_watchchannel.py +++ b/bot/exts/moderation/watchchannels/_watchchannel.py @@ -342,11 +342,14 @@ class WatchChannel(metaclass=CogABCMeta): """Takes care of unloading the cog and canceling the consumption task.""" self.log.trace("Unloading the cog") if self._consume_task and not self._consume_task.done(): + def done_callback(task: asyncio.Task) -> None: + """Send exception when consuming task have been cancelled.""" + try: + task.result() + except asyncio.CancelledError: + self.log.info( + f"The consume task of {type(self).__name__} was canceled. Messages may be lost." + ) + + self._consume_task.add_done_callback(done_callback) self._consume_task.cancel() - try: - self._consume_task.result() - except asyncio.CancelledError as e: - self.log.exception( - "The consume task was canceled. Messages may be lost.", - exc_info=e - ) diff --git a/bot/exts/moderation/watchchannels/talentpool.py b/bot/exts/moderation/watchchannels/talentpool.py index a77dbe156..dd3349c3a 100644 --- a/bot/exts/moderation/watchchannels/talentpool.py +++ b/bot/exts/moderation/watchchannels/talentpool.py @@ -64,12 +64,12 @@ class TalentPool(WatchChannel, Cog, name="Talentpool"): @nomination_group.command(name='watch', aliases=('w', 'add', 'a'), root_aliases=("nominate",)) @has_any_role(*STAFF_ROLES) - async def watch_command(self, ctx: Context, user: FetchedMember, *, reason: str) -> None: + async def watch_command(self, ctx: Context, user: FetchedMember, *, reason: str = '') -> None: """ Relay messages sent by the given `user` to the `#talent-pool` channel. - A `reason` for adding the user to the talent pool is required and will be displayed - in the header when relaying messages of this user to the channel. + A `reason` for adding the user to the talent pool is optional. + If given, it will be displayed in the header when relaying messages of this user to the channel. """ if user.bot: await ctx.send(f":x: I'm sorry {ctx.author}, I'm afraid I can't do that. I only watch humans.") @@ -122,8 +122,7 @@ class TalentPool(WatchChannel, Cog, name="Talentpool"): if history: total = f"({len(history)} previous nominations in total)" start_reason = f"Watched: {textwrap.shorten(history[0]['reason'], width=500, placeholder='...')}" - end_reason = f"Unwatched: {textwrap.shorten(history[0]['end_reason'], width=500, placeholder='...')}" - msg += f"\n\nUser's previous watch reasons {total}:```{start_reason}\n\n{end_reason}```" + msg += f"\n\nUser's previous watch reasons {total}:```{start_reason}```" await ctx.send(msg) @@ -202,7 +201,7 @@ class TalentPool(WatchChannel, Cog, name="Talentpool"): f"{self.api_endpoint}/{nomination_id}", json={field: reason} ) - + await self.fetch_user_cache() # Update cache. await ctx.send(f":white_check_mark: Updated the {field} of the nomination!") @Cog.listener() @@ -243,8 +242,8 @@ class TalentPool(WatchChannel, Cog, name="Talentpool"): actor = guild.get_member(actor_id) active = nomination_object["active"] - log.debug(active) - log.debug(type(nomination_object["inserted_at"])) + + reason = nomination_object["reason"] or "*None*" start_date = time.format_infraction(nomination_object["inserted_at"]) if active: @@ -254,7 +253,7 @@ class TalentPool(WatchChannel, Cog, name="Talentpool"): Status: **Active** Date: {start_date} Actor: {actor.mention if actor else actor_id} - Reason: {nomination_object["reason"]} + Reason: {reason} Nomination ID: `{nomination_object["id"]}` =============== """ @@ -267,7 +266,7 @@ class TalentPool(WatchChannel, Cog, name="Talentpool"): Status: Inactive Date: {start_date} Actor: {actor.mention if actor else actor_id} - Reason: {nomination_object["reason"]} + Reason: {reason} End date: {end_date} Unwatch reason: {nomination_object["end_reason"]} diff --git a/bot/exts/utils/bot.py b/bot/exts/utils/bot.py index 69d623581..a4c828f95 100644 --- a/bot/exts/utils/bot.py +++ b/bot/exts/utils/bot.py @@ -5,7 +5,7 @@ from discord import Embed, TextChannel from discord.ext.commands import Cog, Context, command, group, has_any_role from bot.bot import Bot -from bot.constants import Guild, MODERATION_ROLES, Roles, URLs +from bot.constants import Guild, MODERATION_ROLES, URLs log = logging.getLogger(__name__) @@ -17,13 +17,11 @@ class BotCog(Cog, name="Bot"): self.bot = bot @group(invoke_without_command=True, name="bot", hidden=True) - @has_any_role(Roles.verified) async def botinfo_group(self, ctx: Context) -> None: """Bot informational commands.""" await ctx.send_help(ctx.command) @botinfo_group.command(name='about', aliases=('info',), hidden=True) - @has_any_role(Roles.verified) async def about_command(self, ctx: Context) -> None: """Get information about the bot.""" embed = Embed( diff --git a/bot/exts/utils/clean.py b/bot/exts/utils/clean.py index bf25cb4c2..8acaf9131 100644 --- a/bot/exts/utils/clean.py +++ b/bot/exts/utils/clean.py @@ -191,7 +191,7 @@ class Clean(Cog): channel_id=Channels.mod_log, ) - @group(invoke_without_command=True, name="clean", aliases=["purge"]) + @group(invoke_without_command=True, name="clean", aliases=["clear", "purge"]) @has_any_role(*MODERATION_ROLES) async def clean_group(self, ctx: Context) -> None: """Commands for cleaning messages in channels.""" diff --git a/bot/exts/utils/internal.py b/bot/exts/utils/internal.py index 3521c8fd4..a7ab43f37 100644 --- a/bot/exts/utils/internal.py +++ b/bot/exts/utils/internal.py @@ -15,7 +15,6 @@ from discord.ext.commands import Cog, Context, group, has_any_role from bot.bot import Bot from bot.constants import Roles -from bot.interpreter import Interpreter from bot.utils import find_nth_occurrence, send_to_paste_service log = logging.getLogger(__name__) @@ -30,8 +29,6 @@ class Internal(Cog): self.ln = 0 self.stdout = StringIO() - self.interpreter = Interpreter() - self.socket_since = datetime.utcnow() self.socket_event_total = 0 self.socket_events = Counter() diff --git a/bot/exts/utils/jams.py b/bot/exts/utils/jams.py index 1c0988343..98fbcb303 100644 --- a/bot/exts/utils/jams.py +++ b/bot/exts/utils/jams.py @@ -93,10 +93,6 @@ class CodeJams(commands.Cog): connect=True ), guild.default_role: PermissionOverwrite(read_messages=False, connect=False), - guild.get_role(Roles.verified): PermissionOverwrite( - read_messages=False, - connect=False - ) } # Rest of members should just have read_messages diff --git a/bot/exts/utils/utils.py b/bot/exts/utils/utils.py index 6d8d98695..eb92dfca7 100644 --- a/bot/exts/utils/utils.py +++ b/bot/exts/utils/utils.py @@ -2,20 +2,19 @@ import difflib import logging import re import unicodedata -from datetime import datetime, timedelta -from email.parser import HeaderParser -from io import StringIO -from typing import Dict, Optional, Tuple, Union +from typing import Tuple, Union from discord import Colour, Embed, utils from discord.ext.commands import BadArgument, Cog, Context, clean_content, command, has_any_role +from discord.utils import snowflake_time from bot.bot import Bot from bot.constants import Channels, MODERATION_ROLES, STAFF_ROLES +from bot.converters import Snowflake from bot.decorators import in_whitelist from bot.pagination import LinePaginator from bot.utils import messages -from bot.utils.cache import AsyncCache +from bot.utils.time import time_since log = logging.getLogger(__name__) @@ -41,23 +40,12 @@ If the implementation is easy to explain, it may be a good idea. Namespaces are one honking great idea -- let's do more of those! """ -ICON_URL = "https://www.python.org/static/opengraph-icon-200x200.png" - -pep_cache = AsyncCache() - class Utils(Cog): """A selection of utilities which don't have a clear category.""" - BASE_PEP_URL = "http://www.python.org/dev/peps/pep-" - BASE_GITHUB_PEP_URL = "https://raw.githubusercontent.com/python/peps/master/pep-" - PEPS_LISTING_API_URL = "https://api.github.com/repos/python/peps/contents?ref=master" - def __init__(self, bot: Bot): self.bot = bot - self.peps: Dict[int, str] = {} - self.last_refreshed_peps: Optional[datetime] = None - self.bot.loop.create_task(self.refresh_peps_urls()) @command() @in_whitelist(channels=(Channels.bot_commands,), roles=STAFF_ROLES) @@ -166,6 +154,21 @@ class Utils(Cog): embed.description = best_match await ctx.send(embed=embed) + @command(aliases=("snf", "snfl", "sf")) + @in_whitelist(channels=(Channels.bot_commands,), roles=STAFF_ROLES) + async def snowflake(self, ctx: Context, snowflake: Snowflake) -> None: + """Get Discord snowflake creation time.""" + created_at = snowflake_time(snowflake) + embed = Embed( + description=f"**Created at {created_at}** ({time_since(created_at, max_units=3)}).", + colour=Colour.blue() + ) + embed.set_author( + name=f"Snowflake: {snowflake}", + icon_url="https://github.com/twitter/twemoji/blob/master/assets/72x72/2744.png?raw=true" + ) + await ctx.send(embed=embed) + @command(aliases=("poll",)) @has_any_role(*MODERATION_ROLES) async def vote(self, ctx: Context, title: clean_content(fix_channel_mentions=True), *options: str) -> None: @@ -189,126 +192,6 @@ class Utils(Cog): for reaction in options: await message.add_reaction(reaction) - # region: PEP - - async def refresh_peps_urls(self) -> None: - """Refresh PEP URLs listing in every 3 hours.""" - # Wait until HTTP client is available - await self.bot.wait_until_ready() - log.trace("Started refreshing PEP URLs.") - - async with self.bot.http_session.get(self.PEPS_LISTING_API_URL) as resp: - listing = await resp.json() - - log.trace("Got PEP URLs listing from GitHub API") - - for file in listing: - name = file["name"] - if name.startswith("pep-") and name.endswith((".rst", ".txt")): - pep_number = name.replace("pep-", "").split(".")[0] - self.peps[int(pep_number)] = file["download_url"] - - self.last_refreshed_peps = datetime.now() - log.info("Successfully refreshed PEP URLs listing.") - - @command(name='pep', aliases=('get_pep', 'p')) - async def pep_command(self, ctx: Context, pep_number: int) -> None: - """Fetches information about a PEP and sends it to the channel.""" - # Trigger typing in chat to show users that bot is responding - await ctx.trigger_typing() - - # Handle PEP 0 directly because it's not in .rst or .txt so it can't be accessed like other PEPs. - if pep_number == 0: - pep_embed = self.get_pep_zero_embed() - success = True - else: - success = False - if not (pep_embed := await self.validate_pep_number(pep_number)): - pep_embed, success = await self.get_pep_embed(pep_number) - - await ctx.send(embed=pep_embed) - if success: - log.trace(f"PEP {pep_number} getting and sending finished successfully. Increasing stat.") - self.bot.stats.incr(f"pep_fetches.{pep_number}") - else: - log.trace(f"Getting PEP {pep_number} failed. Error embed sent.") - - @staticmethod - def get_pep_zero_embed() -> Embed: - """Get information embed about PEP 0.""" - pep_embed = Embed( - title="**PEP 0 - Index of Python Enhancement Proposals (PEPs)**", - url="https://www.python.org/dev/peps/" - ) - pep_embed.set_thumbnail(url=ICON_URL) - pep_embed.add_field(name="Status", value="Active") - pep_embed.add_field(name="Created", value="13-Jul-2000") - pep_embed.add_field(name="Type", value="Informational") - - return pep_embed - - async def validate_pep_number(self, pep_nr: int) -> Optional[Embed]: - """Validate is PEP number valid. When it isn't, return error embed, otherwise None.""" - if ( - pep_nr not in self.peps - and (self.last_refreshed_peps + timedelta(minutes=30)) <= datetime.now() - and len(str(pep_nr)) < 5 - ): - await self.refresh_peps_urls() - - if pep_nr not in self.peps: - log.trace(f"PEP {pep_nr} was not found") - return Embed( - title="PEP not found", - description=f"PEP {pep_nr} does not exist.", - colour=Colour.red() - ) - - return None - - def generate_pep_embed(self, pep_header: Dict, pep_nr: int) -> Embed: - """Generate PEP embed based on PEP headers data.""" - # Assemble the embed - pep_embed = Embed( - title=f"**PEP {pep_nr} - {pep_header['Title']}**", - description=f"[Link]({self.BASE_PEP_URL}{pep_nr:04})", - ) - - pep_embed.set_thumbnail(url=ICON_URL) - - # Add the interesting information - fields_to_check = ("Status", "Python-Version", "Created", "Type") - for field in fields_to_check: - # Check for a PEP metadata field that is present but has an empty value - # embed field values can't contain an empty string - if pep_header.get(field, ""): - pep_embed.add_field(name=field, value=pep_header[field]) - - return pep_embed - - @pep_cache(arg_offset=1) - async def get_pep_embed(self, pep_nr: int) -> Tuple[Embed, bool]: - """Fetch, generate and return PEP embed. Second item of return tuple show does getting success.""" - response = await self.bot.http_session.get(self.peps[pep_nr]) - - if response.status == 200: - log.trace(f"PEP {pep_nr} found") - pep_content = await response.text() - - # Taken from https://github.com/python/peps/blob/master/pep0/pep.py#L179 - pep_header = HeaderParser().parse(StringIO(pep_content)) - return self.generate_pep_embed(pep_header, pep_nr), True - else: - log.trace( - f"The user requested PEP {pep_nr}, but the response had an unexpected status code: {response.status}." - ) - return Embed( - title="Unexpected error", - description="Unexpected HTTP error during PEP search. Please let us know.", - colour=Colour.red() - ), False - # endregion - def setup(bot: Bot) -> None: """Load the Utils cog.""" diff --git a/bot/interpreter.py b/bot/interpreter.py deleted file mode 100644 index b58f7a6b0..000000000 --- a/bot/interpreter.py +++ /dev/null @@ -1,51 +0,0 @@ -from code import InteractiveInterpreter -from io import StringIO -from typing import Any - -from discord.ext.commands import Context - -import bot - -CODE_TEMPLATE = """ -async def _func(): -{0} -""" - - -class Interpreter(InteractiveInterpreter): - """ - Subclass InteractiveInterpreter to specify custom run functionality. - - Helper class for internal eval. - """ - - write_callable = None - - def __init__(self): - locals_ = {"bot": bot.instance} - super().__init__(locals_) - - async def run(self, code: str, ctx: Context, io: StringIO, *args, **kwargs) -> Any: - """Execute the provided source code as the bot & return the output.""" - self.locals["_rvalue"] = [] - self.locals["ctx"] = ctx - self.locals["print"] = lambda x: io.write(f"{x}\n") - - code_io = StringIO() - - for line in code.split("\n"): - code_io.write(f" {line}\n") - - code = CODE_TEMPLATE.format(code_io.getvalue()) - del code_io - - self.runsource(code, *args, **kwargs) - self.runsource("_rvalue = _func()", *args, **kwargs) - - rvalue = await self.locals["_rvalue"] - - del self.locals["_rvalue"] - del self.locals["ctx"] - del self.locals["print"] - - return rvalue diff --git a/bot/log.py b/bot/log.py index 13141de40..e92233a33 100644 --- a/bot/log.py +++ b/bot/log.py @@ -6,7 +6,6 @@ from pathlib import Path import coloredlogs import sentry_sdk -from sentry_sdk.integrations.aiohttp import AioHttpIntegration from sentry_sdk.integrations.logging import LoggingIntegration from sentry_sdk.integrations.redis import RedisIntegration @@ -55,6 +54,9 @@ def setup() -> None: logging.getLogger("chardet").setLevel(logging.WARNING) logging.getLogger("async_rediscache").setLevel(logging.WARNING) + # Set back to the default of INFO even if asyncio's debug mode is enabled. + logging.getLogger("asyncio").setLevel(logging.INFO) + def setup_sentry() -> None: """Set up the Sentry logging integrations.""" @@ -67,9 +69,9 @@ def setup_sentry() -> None: dsn=constants.Bot.sentry_dsn, integrations=[ sentry_logging, - AioHttpIntegration(), RedisIntegration(), - ] + ], + release=f"bot@{constants.GIT_SHA}" ) diff --git a/bot/pagination.py b/bot/pagination.py index 182b2fa76..3b16cc9ff 100644 --- a/bot/pagination.py +++ b/bot/pagination.py @@ -4,10 +4,12 @@ import typing as t from contextlib import suppress import discord +from discord import Member from discord.abc import User from discord.ext.commands import Context, Paginator from bot import constants +from bot.constants import MODERATION_ROLES FIRST_EMOJI = "\u23EE" # [:track_previous:] LEFT_EMOJI = "\u2B05" # [:arrow_left:] @@ -210,6 +212,9 @@ class LinePaginator(Paginator): Pagination will also be removed automatically if no reaction is added for five minutes (300 seconds). + The interaction will be limited to `restrict_to_user` (ctx.author by default) or + to any user with a moderation role. + Example: >>> embed = discord.Embed() >>> embed.set_author(name="Some Operation", url=url, icon_url=icon) @@ -218,10 +223,10 @@ class LinePaginator(Paginator): def event_check(reaction_: discord.Reaction, user_: discord.Member) -> bool: """Make sure that this reaction is what we want to operate on.""" no_restrictions = ( - # Pagination is not restricted - not restrict_to_user # The reaction was by a whitelisted user - or user_.id == restrict_to_user.id + user_.id == restrict_to_user.id + # The reaction was by a moderator + or isinstance(user_, Member) and any(role.id in MODERATION_ROLES for role in user_.roles) ) return ( @@ -242,6 +247,9 @@ class LinePaginator(Paginator): scale_to_size=scale_to_size) current_page = 0 + if not restrict_to_user: + restrict_to_user = ctx.author + if not lines: if exception_on_empty_embed: log.exception("Pagination asked for empty lines iterable") diff --git a/bot/resources/elements.json b/bot/resources/elements.json index 2dc9b6fd6..a3ac5b99f 100644 --- a/bot/resources/elements.json +++ b/bot/resources/elements.json @@ -32,7 +32,6 @@ "gallium", "germanium", "arsenic", - "selenium", "bromine", "krypton", "rubidium", diff --git a/bot/resources/tags/codeblock.md b/bot/resources/tags/codeblock.md index 8d48bdf06..ac64656e5 100644 --- a/bot/resources/tags/codeblock.md +++ b/bot/resources/tags/codeblock.md @@ -1,7 +1,7 @@ Here's how to format Python code on Discord: -\```py +\`\`\`py print('Hello world!') -\``` +\`\`\` **These are backticks, not quotes.** Check [this](https://superuser.com/questions/254076/how-do-i-type-the-tick-and-backtick-characters-on-windows/254077#254077) out if you can't find the backtick key. diff --git a/bot/resources/tags/defaultdict.md b/bot/resources/tags/defaultdict.md new file mode 100644 index 000000000..b6c3175fc --- /dev/null +++ b/bot/resources/tags/defaultdict.md @@ -0,0 +1,21 @@ +**[`collections.defaultdict`](https://docs.python.org/3/library/collections.html#collections.defaultdict)** + +The Python `defaultdict` type behaves almost exactly like a regular Python dictionary, but if you try to access or modify a missing key, the `defaultdict` will automatically insert the key and generate a default value for it. +While instantiating a `defaultdict`, we pass in a function that tells it how to create a default value for missing keys. + +```py +>>> from collections import defaultdict +>>> my_dict = defaultdict(int) +>>> my_dict +defaultdict(<class 'int'>, {}) +``` + +In this example, we've used the `int` class which returns 0 when called like a function, so any missing key will get a default value of 0. You can also get an empty list by default with `list` or an empty string with `str`. + +```py +>>> my_dict["foo"] +0 +>>> my_dict["bar"] += 5 +>>> my_dict +defaultdict(<class 'int'>, {'foo': 0, 'bar': 5}) +``` diff --git a/bot/resources/tags/dict-get.md b/bot/resources/tags/dict-get.md new file mode 100644 index 000000000..e02df03ab --- /dev/null +++ b/bot/resources/tags/dict-get.md @@ -0,0 +1,16 @@ +Often while using dictionaries in Python, you may run into `KeyErrors`. This error is raised when you try to access a key that isn't present in your dictionary. Python gives you some neat ways to handle them. + +**The `dict.get` method** + +The [`dict.get`](https://docs.python.org/3/library/stdtypes.html#dict.get) method will return the value for the key if it exists, and None (or a default value that you specify) if the key doesn't exist. Hence it will _never raise_ a KeyError. +```py +>>> my_dict = {"foo": 1, "bar": 2} +>>> print(my_dict.get("foobar")) +None +``` +Below, 3 is the default value to be returned, because the key doesn't exist- +```py +>>> print(my_dict.get("foobar", 3)) +3 +``` +Some other methods for handling `KeyError`s gracefully are the [`dict.setdefault`](https://docs.python.org/3/library/stdtypes.html#dict.setdefault) method and [`collections.defaultdict`](https://docs.python.org/3/library/collections.html#collections.defaultdict) (check out the `!defaultdict` tag). diff --git a/bot/resources/tags/dictcomps.md b/bot/resources/tags/dictcomps.md index 11867d77b..6c8018761 100644 --- a/bot/resources/tags/dictcomps.md +++ b/bot/resources/tags/dictcomps.md @@ -1,20 +1,14 @@ -**Dictionary Comprehensions** - -Like lists, there is a convenient way of creating dictionaries: +Dictionary comprehensions (*dict comps*) provide a convenient way to make dictionaries, just like list comps: ```py ->>> ftoc = {f: round((5/9)*(f-32)) for f in range(-40,101,20)} ->>> print(ftoc) -{-40: -40, -20: -29, 0: -18, 20: -7, 40: 4, 60: 16, 80: 27, 100: 38} +>>> {word.lower(): len(word) for word in ('I', 'love', 'Python')} +{'i': 1, 'love': 4, 'python': 6} ``` -In the example above, I created a dictionary of temperatures in Fahrenheit, that are mapped to (*roughly*) their Celsius counterpart within a small range. These comprehensions are useful for succinctly creating dictionaries from some other sequence. +The syntax is very similar to list comps except that you surround it with curly braces and have two expressions: one for the key and one for the value. -They are also very useful for inverting the key value pairs of a dictionary that already exists, such that the value in the old dictionary is now the key, and the corresponding key is now its value: +One can use a dict comp to change an existing dictionary using its `items` method ```py ->>> ctof = {v:k for k, v in ftoc.items()} ->>> print(ctof) -{-40: -40, -29: -20, -18: 0, -7: 20, 4: 40, 16: 60, 27: 80, 38: 100} +>>> first_dict = {'i': 1, 'love': 4, 'python': 6} +>>> {key.upper(): value * 2 for key, value in first_dict.items()} +{'I': 2, 'LOVE': 8, 'PYTHON': 12} ``` - -Also like list comprehensions, you can add a conditional to it in order to filter out items you don't want. - -For more information and examples, check [PEP 274](https://www.python.org/dev/peps/pep-0274/) +For more information and examples, check out [PEP 274](https://www.python.org/dev/peps/pep-0274/) diff --git a/bot/resources/tags/environments.md b/bot/resources/tags/environments.md new file mode 100644 index 000000000..7bc69bde4 --- /dev/null +++ b/bot/resources/tags/environments.md @@ -0,0 +1,26 @@ +**Python Environments** + +The main purpose of Python [virtual environments](https://docs.Python.org/3/library/venv.html#venv-def) is to create an isolated environment for Python projects. This means that each project can have its own dependencies, such as third party packages installed using pip, regardless of what dependencies every other project has. + +To see the current environment in use by Python, you can run: +```py +>>> import sys +>>> print(sys.executable) +/usr/bin/python3 +``` + +To see the environment in use by pip, you can do `pip debug` (`pip3 debug` for Linux/macOS). The 3rd line of the output will contain the path in use e.g. `sys.executable: /usr/bin/python3`. + +If Python's `sys.executable` doesn't match pip's, then they are currently using different environments! This may cause Python to raise a `ModuleNotFoundError` when you try to use a package you just installed with pip, as it was installed to a different environment. + +**Why use a virtual environment?** + +• Resolve dependency issues by allowing the use of different versions of a package for different projects. For example, you could use Package A v2.7 for Project X and Package A v1.3 for Project Y. +• Make your project self-contained and reproducible by capturing all package dependencies in a requirements file. Try running `pip freeze` to see what you currently have installed! +• Keep your global `site-packages/` directory tidy by removing the need to install packages system-wide which you might only need for one project. + + +**Further reading:** + +• [Python Virtual Environments: A Primer](https://realpython.com/python-virtual-environments-a-primer) +• [pyenv: Simple Python Version Management](https://github.com/pyenv/pyenv) diff --git a/bot/resources/tags/f-strings.md b/bot/resources/tags/f-strings.md index 69bc82487..5ccafe723 100644 --- a/bot/resources/tags/f-strings.md +++ b/bot/resources/tags/f-strings.md @@ -1,17 +1,9 @@ -In Python, there are several ways to do string interpolation, including using `%s`\'s and by using the `+` operator to concatenate strings together. However, because some of these methods offer poor readability and require typecasting to prevent errors, you should for the most part be using a feature called format strings. +Creating a Python string with your variables using the `+` operator can be difficult to write and read. F-strings (*format-strings*) make it easy to insert values into a string. If you put an `f` in front of the first quote, you can then put Python expressions between curly braces in the string. -**In Python 3.6 or later, we can use f-strings like this:** ```py -snake = "Pythons" -print(f"{snake} are some of the largest snakes in the world") -``` -**In earlier versions of Python or in projects where backwards compatibility is very important, use str.format() like this:** -```py -snake = "Pythons" - -# With str.format() you can either use indexes -print("{0} are some of the largest snakes in the world".format(snake)) - -# Or keyword arguments -print("{family} are some of the largest snakes in the world".format(family=snake)) +>>> snake = "pythons" +>>> number = 21 +>>> f"There are {number * 2} {snake} on the plane." +"There are 42 pythons on the plane." ``` +Note that even when you include an expression that isn't a string, like `number * 2`, Python will convert it to a string for you. diff --git a/bot/resources/tags/floats.md b/bot/resources/tags/floats.md new file mode 100644 index 000000000..7129b91bb --- /dev/null +++ b/bot/resources/tags/floats.md @@ -0,0 +1,20 @@ +**Floating Point Arithmetic** +You may have noticed that when doing arithmetic with floats in Python you sometimes get strange results, like this: +```python +>>> 0.1 + 0.2 +0.30000000000000004 +``` +**Why this happens** +Internally your computer stores floats as as binary fractions. Many decimal values cannot be stored as exact binary fractions, which means an approximation has to be used. + +**How you can avoid this** + You can use [math.isclose](https://docs.python.org/3/library/math.html#math.isclose) to check if two floats are close, or to get an exact decimal representation, you can use the [decimal](https://docs.python.org/3/library/decimal.html) or [fractions](https://docs.python.org/3/library/fractions.html) module. Here are some examples: +```python +>>> math.isclose(0.1 + 0.2, 0.3) +True +>>> decimal.Decimal('0.1') + decimal.Decimal('0.2') +Decimal('0.3') +``` +Note that with `decimal.Decimal` we enter the number we want as a string so we don't pass on the imprecision from the float. + +For more details on why this happens check out this [page in the python docs](https://docs.python.org/3/tutorial/floatingpoint.html) or this [Computerphile video](https://www.youtube.com/watch/PZRI1IfStY0). diff --git a/bot/resources/tags/free.md b/bot/resources/tags/free.md deleted file mode 100644 index 1493076c7..000000000 --- a/bot/resources/tags/free.md +++ /dev/null @@ -1,5 +0,0 @@ -**We have a new help channel system!** - -Please see <#704250143020417084> for further information. - -A more detailed guide can be found on [our website](https://pythondiscord.com/pages/resources/guides/help-channels/). diff --git a/bot/resources/tags/listcomps.md b/bot/resources/tags/listcomps.md index 0003b9bb8..ba00a4bf7 100644 --- a/bot/resources/tags/listcomps.md +++ b/bot/resources/tags/listcomps.md @@ -1,14 +1,19 @@ -Do you ever find yourself writing something like: +Do you ever find yourself writing something like this? ```py -even_numbers = [] -for n in range(20): - if n % 2 == 0: - even_numbers.append(n) +>>> squares = [] +>>> for n in range(5): +... squares.append(n ** 2) +[0, 1, 4, 9, 16] ``` -Using list comprehensions can simplify this significantly, and greatly improve code readability. If we rewrite the example above to use list comprehensions, it would look like this: +Using list comprehensions can make this both shorter and more readable. As a list comprehension, the same code would look like this: ```py -even_numbers = [n for n in range(20) if n % 2 == 0] +>>> [n ** 2 for n in range(5)] +[0, 1, 4, 9, 16] +``` +List comprehensions also get an `if` statement: +```python +>>> [n ** 2 for n in range(5) if n % 2 == 0] +[0, 4, 16] ``` -This also works for generators, dicts and sets by using `()` or `{}` instead of `[]`. -For more info, see [this pythonforbeginners.com post](http://www.pythonforbeginners.com/basics/list-comprehensions-in-python) or [PEP 202](https://www.python.org/dev/peps/pep-0202/). +For more info, see [this pythonforbeginners.com post](http://www.pythonforbeginners.com/basics/list-comprehensions-in-python). diff --git a/bot/resources/tags/local-file.md b/bot/resources/tags/local-file.md new file mode 100644 index 000000000..ae41d589c --- /dev/null +++ b/bot/resources/tags/local-file.md @@ -0,0 +1,23 @@ +Thanks to discord.py, sending local files as embed images is simple. You have to create an instance of [`discord.File`](https://discordpy.readthedocs.io/en/latest/api.html#discord.File) class: +```py +# When you know the file exact path, you can pass it. +file = discord.File("/this/is/path/to/my/file.png", filename="file.png") + +# When you have the file-like object, then you can pass this instead path. +with open("/this/is/path/to/my/file.png", "rb") as f: + file = discord.File(f) +``` +When using the file-like object, you have to open it in `rb` mode. Also, in this case, passing `filename` to it is not necessary. +Please note that `filename` can't contain underscores. This is a Discord limitation. + +[`discord.Embed`](https://discordpy.readthedocs.io/en/latest/api.html#discord.Embed) instances have a [`set_image`](https://discordpy.readthedocs.io/en/latest/api.html#discord.Embed.set_image) method which can be used to set an attachment as an image: +```py +embed = discord.Embed() +# Set other fields +embed.set_image(url="attachment://file.png") # Filename here must be exactly same as attachment filename. +``` +After this, you can send an embed with an attachment to Discord: +```py +await channel.send(file=file, embed=embed) +``` +This example uses [`discord.TextChannel`](https://discordpy.readthedocs.io/en/latest/api.html#discord.TextChannel) for sending, but any instance of [`discord.abc.Messageable`](https://discordpy.readthedocs.io/en/latest/api.html#discord.abc.Messageable) can be used for sending. diff --git a/bot/resources/tags/microsoft-build-tools.md b/bot/resources/tags/microsoft-build-tools.md new file mode 100644 index 000000000..7c702e296 --- /dev/null +++ b/bot/resources/tags/microsoft-build-tools.md @@ -0,0 +1,15 @@ +**Microsoft Visual C++ Build Tools** + +When you install a library through `pip` on Windows, sometimes you may encounter this error: + +``` +error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/ +``` + +This means the library you're installing has code written in other languages and needs additional tools to install. To install these tools, follow the following steps: (Requires 6GB+ disk space) + +**1.** Open [https://visualstudio.microsoft.com/visual-cpp-build-tools/](https://visualstudio.microsoft.com/visual-cpp-build-tools/). +**2.** Click **`Download Build Tools >`**. A file named `vs_BuildTools` or `vs_BuildTools.exe` should start downloading. If no downloads start after a few seconds, click **`click here to retry`**. +**3.** Run the downloaded file. Click **`Continue`** to proceed. +**4.** Choose **C++ build tools** and press **`Install`**. You may need a reboot after the installation. +**5.** Try installing the library via `pip` again. diff --git a/bot/resources/tags/voice-verification.md b/bot/resources/tags/voice-verification.md new file mode 100644 index 000000000..3d88b0c71 --- /dev/null +++ b/bot/resources/tags/voice-verification.md @@ -0,0 +1,3 @@ +**Voice verification** + +Can’t talk in voice chat? Check out <#764802555427029012> to get access. The criteria for verifying are specified there. diff --git a/bot/rules/burst_shared.py b/bot/rules/burst_shared.py index 0e66df69c..bbe9271b3 100644 --- a/bot/rules/burst_shared.py +++ b/bot/rules/burst_shared.py @@ -2,20 +2,11 @@ from typing import Dict, Iterable, List, Optional, Tuple from discord import Member, Message -from bot.constants import Channels - async def apply( last_message: Message, recent_messages: List[Message], config: Dict[str, int] ) -> Optional[Tuple[str, Iterable[Member], Iterable[Message]]]: - """ - Detects repeated messages sent by multiple users. - - This filter never triggers in the verification channel. - """ - if last_message.channel.id == Channels.verification: - return - + """Detects repeated messages sent by multiple users.""" total_recent = len(recent_messages) if total_recent > config['max']: diff --git a/bot/utils/channel.py b/bot/utils/channel.py index 0c072184c..72603c521 100644 --- a/bot/utils/channel.py +++ b/bot/utils/channel.py @@ -32,6 +32,22 @@ def is_mod_channel(channel: discord.TextChannel) -> bool: return False +def is_staff_channel(channel: discord.TextChannel) -> bool: + """True if `channel` is considered a staff channel.""" + guild = bot.instance.get_guild(constants.Guild.id) + + if channel.type is discord.ChannelType.category: + return False + + # Channel is staff-only if staff have explicit read allow perms + # and @everyone has explicit read deny perms + return any( + channel.overwrites_for(guild.get_role(staff_role)).read_messages is True + and channel.overwrites_for(guild.default_role).read_messages is False + for staff_role in constants.STAFF_ROLES + ) + + def is_in_category(channel: discord.TextChannel, category_id: int) -> bool: """Return True if `channel` is within a category with `category_id`.""" return getattr(channel, "category_id", None) == category_id diff --git a/bot/utils/lock.py b/bot/utils/lock.py index 7aaafbc88..e44776340 100644 --- a/bot/utils/lock.py +++ b/bot/utils/lock.py @@ -1,3 +1,4 @@ +import asyncio import inspect import logging from collections import defaultdict @@ -16,39 +17,21 @@ _IdCallable = Callable[[function.BoundArgs], _IdCallableReturn] ResourceId = Union[Hashable, _IdCallable] -class LockGuard: - """ - A context manager which acquires and releases a lock (mutex). - - Raise RuntimeError if trying to acquire a locked lock. - """ - - def __init__(self): - self._locked = False - - @property - def locked(self) -> bool: - """Return True if currently locked or False if unlocked.""" - return self._locked - - def __enter__(self): - if self._locked: - raise RuntimeError("Cannot acquire a locked lock.") - - self._locked = True - - def __exit__(self, _exc_type, _exc_value, _traceback): # noqa: ANN001 - self._locked = False - return False # Indicate any raised exception shouldn't be suppressed. - - -def lock(namespace: Hashable, resource_id: ResourceId, *, raise_error: bool = False) -> Callable: +def lock( + namespace: Hashable, + resource_id: ResourceId, + *, + raise_error: bool = False, + wait: bool = False, +) -> Callable: """ Turn the decorated coroutine function into a mutually exclusive operation on a `resource_id`. - If any other mutually exclusive function currently holds the lock for a resource, do not run the - decorated function and return None. If `raise_error` is True, raise `LockedResourceError` if - the lock cannot be acquired. + If `wait` is True, wait until the lock becomes available. Otherwise, if any other mutually + exclusive function currently holds the lock for a resource, do not run the decorated function + and return None. + + If `raise_error` is True, raise `LockedResourceError` if the lock cannot be acquired. `namespace` is an identifier used to prevent collisions among resource IDs. @@ -78,15 +61,19 @@ def lock(namespace: Hashable, resource_id: ResourceId, *, raise_error: bool = Fa else: id_ = resource_id - log.trace(f"{name}: getting lock for resource {id_!r} under namespace {namespace!r}") + log.trace(f"{name}: getting the lock object for resource {namespace!r}:{id_!r}") # Get the lock for the ID. Create a lock if one doesn't exist yet. locks = __lock_dicts[namespace] - lock_guard = locks.setdefault(id_, LockGuard()) - - if not lock_guard.locked: - log.debug(f"{name}: resource {namespace!r}:{id_!r} is free; acquiring it...") - with lock_guard: + lock_ = locks.setdefault(id_, asyncio.Lock()) + + # It's safe to check an asyncio.Lock is free before acquiring it because: + # 1. Synchronous code like `if not lock_.locked()` does not yield execution + # 2. `asyncio.Lock.acquire()` does not internally await anything if the lock is free + # 3. awaits only yield execution to the event loop at actual I/O boundaries + if wait or not lock_.locked(): + log.debug(f"{name}: acquiring lock for resource {namespace!r}:{id_!r}...") + async with lock_: return await func(*args, **kwargs) else: log.info(f"{name}: aborted because resource {namespace!r}:{id_!r} is locked") @@ -103,6 +90,7 @@ def lock_arg( func: Callable[[Any], _IdCallableReturn] = None, *, raise_error: bool = False, + wait: bool = False, ) -> Callable: """ Apply the `lock` decorator using the value of the arg at the given name/position as the ID. @@ -110,5 +98,5 @@ def lock_arg( `func` is an optional callable or awaitable which will return the ID given the argument value. See `lock` docs for more information. """ - decorator_func = partial(lock, namespace, raise_error=raise_error) + decorator_func = partial(lock, namespace, raise_error=raise_error, wait=wait) return function.get_arg_value_wrapper(decorator_func, name_or_pos, func) diff --git a/bot/utils/messages.py b/bot/utils/messages.py index 42bde358d..077dd9569 100644 --- a/bot/utils/messages.py +++ b/bot/utils/messages.py @@ -11,7 +11,7 @@ from discord.errors import HTTPException from discord.ext.commands import Context import bot -from bot.constants import Emojis, NEGATIVE_REPLIES +from bot.constants import Emojis, MODERATION_ROLES, NEGATIVE_REPLIES log = logging.getLogger(__name__) @@ -22,12 +22,15 @@ async def wait_for_deletion( deletion_emojis: Sequence[str] = (Emojis.trashcan,), timeout: float = 60 * 5, attach_emojis: bool = True, + allow_moderation_roles: bool = True ) -> None: """ Wait for up to `timeout` seconds for a reaction by any of the specified `user_ids` to delete the message. An `attach_emojis` bool may be specified to determine whether to attach the given `deletion_emojis` to the message in the given `context`. + An `allow_moderation_roles` bool may also be specified to allow anyone with a role in `MODERATION_ROLES` to delete + the message. """ if message.guild is None: raise ValueError("Message must be sent on a guild") @@ -45,7 +48,10 @@ async def wait_for_deletion( return ( reaction.message.id == message.id and str(reaction.emoji) in deletion_emojis - and user.id in user_ids + and ( + user.id in user_ids + or allow_moderation_roles and any(role.id in MODERATION_ROLES for role in user.roles) + ) ) with contextlib.suppress(asyncio.TimeoutError): diff --git a/bot/utils/scheduling.py b/bot/utils/scheduling.py index 03f31d78f..4dd036e4f 100644 --- a/bot/utils/scheduling.py +++ b/bot/utils/scheduling.py @@ -155,3 +155,20 @@ class Scheduler: # Log the exception if one exists. if exception: self._log.error(f"Error in task #{task_id} {id(done_task)}!", exc_info=exception) + + +def create_task(*args, **kwargs) -> asyncio.Task: + """Wrapper for `asyncio.create_task` which logs exceptions raised in the task.""" + task = asyncio.create_task(*args, **kwargs) + task.add_done_callback(_log_task_exception) + return task + + +def _log_task_exception(task: asyncio.Task) -> None: + """Retrieve and log the exception raised in `task` if one exists.""" + with contextlib.suppress(asyncio.CancelledError): + exception = task.exception() + # Log the exception if one exists. + if exception: + log = logging.getLogger(__name__) + log.error(f"Error in task {task.get_name()} {id(task)}!", exc_info=exception) diff --git a/config-default.yml b/config-default.yml index 60eb437af..25bbcc3c5 100644 --- a/config-default.yml +++ b/config-default.yml @@ -1,73 +1,82 @@ bot: prefix: "!" - token: !ENV "BOT_TOKEN" sentry_dsn: !ENV "BOT_SENTRY_DSN" + token: !ENV "BOT_TOKEN" + + clean: + # Maximum number of messages to traverse for clean commands + message_limit: 10000 + + cooldowns: + # Per channel, per tag. + tags: 60 redis: host: "redis.default.svc.cluster.local" - port: 6379 password: !ENV "REDIS_PASSWORD" + port: 6379 use_fakeredis: false stats: - statsd_host: "graphite.default.svc.cluster.local" presence_update_timeout: 300 - - cooldowns: - # Per channel, per tag. - tags: 60 - - clean: - # Maximum number of messages to traverse for clean commands - message_limit: 10000 + statsd_host: "graphite.default.svc.cluster.local" style: colours: - soft_red: 0xcd6d6d + blue: 0x3775a8 + bright_green: 0x01d277 + orange: 0xe67e22 + pink: 0xcf84e0 + purple: 0xb734eb soft_green: 0x68c290 soft_orange: 0xf9cb54 - bright_green: 0x01d277 + soft_red: 0xcd6d6d + white: 0xfffffe + yellow: 0xffd241 emojis: - defcon_disabled: "<:defcondisabled:470326273952972810>" - defcon_enabled: "<:defconenabled:470326274213150730>" - defcon_updated: "<:defconsettingsupdated:470326274082996224>" - - status_online: "<:status_online:470326272351010816>" - status_idle: "<:status_idle:470326266625785866>" - status_dnd: "<:status_dnd:470326272082313216>" - status_offline: "<:status_offline:470326266537705472>" - - badge_staff: "<:discord_staff:743882896498098226>" - badge_partner: "<:partner:748666453242413136>" - badge_hypesquad: "<:hypesquad_events:743882896892362873>" badge_bug_hunter: "<:bug_hunter_lvl1:743882896372269137>" + badge_bug_hunter_level_2: "<:bug_hunter_lvl2:743882896611344505>" + badge_early_supporter: "<:early_supporter:743882896909140058>" + badge_hypesquad: "<:hypesquad_events:743882896892362873>" + badge_hypesquad_balance: "<:hypesquad_balance:743882896460480625>" badge_hypesquad_bravery: "<:hypesquad_bravery:743882896745693335>" badge_hypesquad_brilliance: "<:hypesquad_brilliance:743882896938631248>" - badge_hypesquad_balance: "<:hypesquad_balance:743882896460480625>" - badge_early_supporter: "<:early_supporter:743882896909140058>" - badge_bug_hunter_level_2: "<:bug_hunter_lvl2:743882896611344505>" + badge_partner: "<:partner:748666453242413136>" + badge_staff: "<:discord_staff:743882896498098226>" badge_verified_bot_developer: "<:verified_bot_dev:743882897299210310>" - incident_actioned: "<:incident_actioned:719645530128646266>" - incident_unactioned: "<:incident_unactioned:719645583245180960>" - incident_investigating: "<:incident_investigating:719645658671480924>" + defcon_disabled: "<:defcondisabled:470326273952972810>" + defcon_enabled: "<:defconenabled:470326274213150730>" + defcon_updated: "<:defconsettingsupdated:470326274082996224>" failmail: "<:failmail:633660039931887616>" + + incident_actioned: "<:incident_actioned:719645530128646266>" + incident_investigating: "<:incident_investigating:719645658671480924>" + incident_unactioned: "<:incident_unactioned:719645583245180960>" + + status_dnd: "<:status_dnd:470326272082313216>" + status_idle: "<:status_idle:470326266625785866>" + status_offline: "<:status_offline:470326266537705472>" + status_online: "<:status_online:470326272351010816>" + trashcan: "<:trashcan:637136429717389331>" bullet: "\u2022" - pencil: "\u270F" - new: "\U0001F195" - cross_mark: "\u274C" check_mark: "\u2705" + cross_mark: "\u274C" + new: "\U0001F195" + pencil: "\u270F" # emotes used for #reddit - upvotes: "<:reddit_upvotes:755845219890757644>" comments: "<:reddit_comments:755845255001014384>" + upvotes: "<:reddit_upvotes:755845219890757644>" user: "<:reddit_users:755845303822974997>" + ok_hand: ":ok_hand:" + icons: crown_blurple: "https://cdn.discordapp.com/emojis/469964153289965568.png" crown_green: "https://cdn.discordapp.com/emojis/469964154719961088.png" @@ -80,6 +89,7 @@ style: filtering: "https://cdn.discordapp.com/emojis/472472638594482195.png" + green_checkmark: "https://raw.githubusercontent.com/python-discord/branding/master/icons/checkmark/green-checkmark-dist.png" guild_update: "https://cdn.discordapp.com/emojis/469954765141442561.png" hash_blurple: "https://cdn.discordapp.com/emojis/469950142942806017.png" @@ -90,38 +100,34 @@ style: message_delete: "https://cdn.discordapp.com/emojis/472472641320648704.png" message_edit: "https://cdn.discordapp.com/emojis/472472638976163870.png" + pencil: "https://cdn.discordapp.com/emojis/470326272401211415.png" + + questionmark: "https://cdn.discordapp.com/emojis/512367613339369475.png" + + remind_blurple: "https://cdn.discordapp.com/emojis/477907609215827968.png" + remind_green: "https://cdn.discordapp.com/emojis/477907607785570310.png" + remind_red: "https://cdn.discordapp.com/emojis/477907608057937930.png" + sign_in: "https://cdn.discordapp.com/emojis/469952898181234698.png" sign_out: "https://cdn.discordapp.com/emojis/469952898089091082.png" + superstarify: "https://cdn.discordapp.com/emojis/636288153044516874.png" + unsuperstarify: "https://cdn.discordapp.com/emojis/636288201258172446.png" + token_removed: "https://cdn.discordapp.com/emojis/470326273298792469.png" user_ban: "https://cdn.discordapp.com/emojis/469952898026045441.png" - user_unban: "https://cdn.discordapp.com/emojis/469952898692808704.png" - user_update: "https://cdn.discordapp.com/emojis/469952898684551168.png" - user_mute: "https://cdn.discordapp.com/emojis/472472640100106250.png" + user_unban: "https://cdn.discordapp.com/emojis/469952898692808704.png" user_unmute: "https://cdn.discordapp.com/emojis/472472639206719508.png" + user_update: "https://cdn.discordapp.com/emojis/469952898684551168.png" user_verified: "https://cdn.discordapp.com/emojis/470326274519334936.png" - user_warn: "https://cdn.discordapp.com/emojis/470326274238447633.png" - pencil: "https://cdn.discordapp.com/emojis/470326272401211415.png" - - remind_blurple: "https://cdn.discordapp.com/emojis/477907609215827968.png" - remind_green: "https://cdn.discordapp.com/emojis/477907607785570310.png" - remind_red: "https://cdn.discordapp.com/emojis/477907608057937930.png" - - questionmark: "https://cdn.discordapp.com/emojis/512367613339369475.png" - - superstarify: "https://cdn.discordapp.com/emojis/636288153044516874.png" - unsuperstarify: "https://cdn.discordapp.com/emojis/636288201258172446.png" - voice_state_blue: "https://cdn.discordapp.com/emojis/656899769662439456.png" voice_state_green: "https://cdn.discordapp.com/emojis/656899770094452754.png" voice_state_red: "https://cdn.discordapp.com/emojis/656899769905709076.png" - green_checkmark: "https://raw.githubusercontent.com/python-discord/branding/master/icons/checkmark/green-checkmark-dist.png" - guild: id: 267624335836053506 @@ -129,19 +135,19 @@ guild: categories: help_available: 691405807388196926 - help_in_use: 696958401460043776 help_dormant: 691405908919451718 - modmail: &MODMAIL 714494672835444826 + help_in_use: 696958401460043776 logs: &LOGS 468520609152892958 + modmail: &MODMAIL 714494672835444826 voice: 356013253765234688 channels: # Public announcement and news channels - change_log: &CHANGE_LOG 748238795236704388 announcements: &ANNOUNCEMENTS 354619224620138496 - python_news: &PYNEWS_CHANNEL 704372456592506880 - python_events: &PYEVENTS_CHANNEL 729674110270963822 + change_log: &CHANGE_LOG 748238795236704388 mailing_lists: &MAILING_LISTS 704372456592506880 + python_events: &PYEVENTS_CHANNEL 729674110270963822 + python_news: &PYNEWS_CHANNEL 704372456592506880 reddit: &REDDIT_CHANNEL 458224812528238616 user_event_announcements: &USER_EVENT_A 592000283102674944 @@ -152,19 +158,21 @@ guild: # Discussion meta: 429409067623251969 - python_discussion: &PY_DISCUSSION 267624335836053506 + python_general: &PY_GENERAL 267624335836053506 # Python Help: Available - how_to_get_help: 704250143020417084 cooldown: 720603994149486673 + # Topical + discord_py: 343944376055103488 + # Logs attachment_log: &ATTACH_LOG 649243850006855680 + dm_log: 653713721625018428 message_log: &MESSAGE_LOG 467752170159079424 mod_log: &MOD_LOG 282638479504965634 user_log: 528976905546760203 voice_log: 640292421988646961 - dm_log: 653713721625018428 # Off-topic off_topic_0: 291284109232308226 @@ -174,35 +182,42 @@ guild: # Special bot_commands: &BOT_CMD 267659945086812160 esoteric: 470884583684964352 - verification: 352442727016693763 voice_gate: 764802555427029012 # Staff admins: &ADMINS 365960823622991872 admin_spam: &ADMIN_SPAM 563594791770914816 defcon: &DEFCON 464469101889454091 + duck_pond: &DUCK_POND 637820308341915648 helpers: &HELPERS 385474242440986624 incidents: 714214212200562749 incidents_archive: 720668923636351037 mods: &MODS 305126844661760000 mod_alerts: 473092532147060736 + mod_meta: &MOD_META 775412552795947058 mod_spam: &MOD_SPAM 620607373828030464 + mod_tools: &MOD_TOOLS 775413915391098921 organisation: &ORGANISATION 551789653284356126 staff_lounge: &STAFF_LOUNGE 464905259261755392 - duck_pond: &DUCK_POND 637820308341915648 # Staff announcement channels - staff_announcements: &STAFF_ANNOUNCEMENTS 464033278631084042 - mod_announcements: &MOD_ANNOUNCEMENTS 372115205867700225 admin_announcements: &ADMIN_ANNOUNCEMENTS 749736155569848370 + mod_announcements: &MOD_ANNOUNCEMENTS 372115205867700225 + staff_announcements: &STAFF_ANNOUNCEMENTS 464033278631084042 - # Voice - code_help_voice: 755154969761677312 - code_help_voice_2: 766330079135268884 - voice_chat: 412357430186344448 + # Voice Channels admins_voice: &ADMINS_VOICE 500734494840717332 + code_help_voice_1: 751592231726481530 + code_help_voice_2: 764232549840846858 + general_voice: 751591688538947646 staff_voice: &STAFF_VOICE 412375055910043655 + # Voice Chat + code_help_chat_1: 755154969761677312 + code_help_chat_2: 766330079135268884 + staff_voice_chat: 541638762007101470 + voice_chat: 412357430186344448 + # Watch big_brother_logs: &BB_LOGS 468507907357409333 talent_pool: &TALENT_POOL 534321732593647616 @@ -214,6 +229,8 @@ guild: moderation_channels: - *ADMINS - *ADMIN_SPAM + - *MOD_META + - *MOD_TOOLS - *MODS - *MOD_SPAM @@ -238,9 +255,6 @@ guild: partners: 323426753857191936 python_community: &PY_COMMUNITY_ROLE 458226413825294336 sprinters: &SPRINTERS 758422482289426471 - - unverified: 739794855945044069 - verified: 352427296948486144 # @Developers on PyDis voice_verified: 764802720779337729 # Staff @@ -255,15 +269,15 @@ guild: team_leaders: 737250302834638889 moderation_roles: - - *OWNERS_ROLE - *ADMINS_ROLE - *MODS_ROLE + - *OWNERS_ROLE staff_roles: - - *OWNERS_ROLE - *ADMINS_ROLE - - *MODS_ROLE - *HELPERS_ROLE + - *MODS_ROLE + - *OWNERS_ROLE webhooks: big_brother: 569133704568373283 @@ -278,58 +292,60 @@ guild: filter: # What do we filter? - filter_zalgo: false - filter_invites: true filter_domains: true filter_everyone_ping: true + filter_invites: true + filter_zalgo: false watch_regex: true watch_rich_embeds: true # Notify user on filter? # Notifications are not expected for "watchlist" type filters - notify_user_zalgo: false - notify_user_invites: true notify_user_domains: false notify_user_everyone_ping: true + notify_user_invites: true + notify_user_zalgo: false # Filter configuration - ping_everyone: true offensive_msg_delete_days: 7 # How many days before deleting an offensive message? + ping_everyone: true # Censor doesn't apply to these channel_whitelist: - *ADMINS - - *MOD_LOG - - *MESSAGE_LOG - - *DEV_LOG - *BB_LOGS + - *DEV_LOG + - *MESSAGE_LOG + - *MOD_LOG - *STAFF_LOUNGE - *TALENT_POOL - *USER_EVENT_A role_whitelist: - *ADMINS_ROLE + - *HELPERS_ROLE - *MODS_ROLE - *OWNERS_ROLE - - *HELPERS_ROLE - *PY_COMMUNITY_ROLE - *SPRINTERS keys: + github: !ENV "GITHUB_API_KEY" site_api: !ENV "BOT_API_KEY" urls: # PyDis site vars site: &DOMAIN "pythondiscord.com" - site_api: &API !JOIN ["api.", *DOMAIN] + site_api: &API "pydis-api.default.svc.cluster.local" + site_api_schema: "http://" site_paste: &PASTE !JOIN ["paste.", *DOMAIN] - site_staff: &STAFF !JOIN ["staff.", *DOMAIN] site_schema: &SCHEMA "https://" + site_staff: &STAFF !JOIN ["staff.", *DOMAIN] - site_logs_view: !JOIN [*SCHEMA, *STAFF, "/bot/logs"] paste_service: !JOIN [*SCHEMA, *PASTE, "/{key}"] + site_logs_view: !JOIN [*SCHEMA, *STAFF, "/bot/logs"] # Snekbox snekbox_eval_api: "http://snekbox.default.svc.cluster.local/eval" @@ -349,8 +365,8 @@ anti_spam: ping_everyone: true punishment: - role_id: *MUTED_ROLE remove_after: 600 + role_id: *MUTED_ROLE rules: attachments: @@ -373,14 +389,14 @@ anti_spam: interval: 5 max: 3_000 - duplicates: - interval: 10 - max: 3 - discord_emojis: interval: 10 max: 20 + duplicates: + interval: 10 + max: 3 + links: interval: 10 max: 10 @@ -400,15 +416,15 @@ anti_spam: reddit: + client_id: !ENV "REDDIT_CLIENT_ID" + secret: !ENV "REDDIT_SECRET" subreddits: - 'r/Python' - client_id: !ENV "REDDIT_CLIENT_ID" - secret: !ENV "REDDIT_SECRET" big_brother: - log_delay: 15 header_message_limit: 15 + log_delay: 15 code_block: @@ -418,7 +434,7 @@ code_block: # The channels which will be affected by a cooldown. These channels are also whitelisted. cooldown_channels: - - *PY_DISCUSSION + - *PY_GENERAL # Sending instructions triggers a cooldown on a per-channel basis. # More instruction messages will not be sent in the same channel until the cooldown has elapsed. @@ -432,8 +448,8 @@ free: # Seconds to elapse for a channel # to be considered inactive. activity_timeout: 600 - cooldown_rate: 1 cooldown_per: 60.0 + cooldown_rate: 1 help_channels: @@ -478,12 +494,12 @@ help_channels: redirect_output: - delete_invocation: true delete_delay: 15 + delete_invocation: true duck_pond: - threshold: 4 + threshold: 5 channel_blacklist: - *ANNOUNCEMENTS - *PYNEWS_CHANNEL @@ -499,34 +515,27 @@ duck_pond: python_news: + channel: *PYNEWS_CHANNEL + webhook: *PYNEWS_WEBHOOK + mail_lists: - 'python-ideas' - 'python-announce-list' - 'pypi-announce' - 'python-dev' - channel: *PYNEWS_CHANNEL - webhook: *PYNEWS_WEBHOOK - - -verification: - unverified_after: 3 # Days after which non-Developers receive the @Unverified role - kicked_after: 30 # Days after which non-Developers get kicked from the guild - reminder_frequency: 28 # Hours between @Unverified pings - bot_message_delete_delay: 10 # Seconds before deleting bots response in #verification - - # Number in range [0, 1] determining the percentage of unverified users that are safe - # to be kicked from the guild in one batch, any larger amount will require staff confirmation, - # set this to 0 to require explicit approval for batches of any size - kick_confirmation_threshold: 0.01 # 1% voice_gate: - minimum_days_verified: 3 # How many days the user must have been verified for - minimum_messages: 50 # How many messages a user must have to be eligible for voice bot_message_delete_delay: 10 # Seconds before deleting bot's response in Voice Gate minimum_activity_blocks: 3 # Number of 10 minute blocks during which a user must have been active + minimum_days_member: 3 # How many days the user must have been a member for + minimum_messages: 50 # How many messages a user must have to be eligible for voice voice_ping_delete_delay: 60 # Seconds before deleting the bot's ping to user in Voice Gate +branding: + cycle_frequency: 3 # How many days bot wait before refreshing server icon + + config: required_keys: ['bot.token'] diff --git a/deployment.yaml b/deployment.yaml deleted file mode 100644 index ca5ff5941..000000000 --- a/deployment.yaml +++ /dev/null @@ -1,21 +0,0 @@ -apiVersion: apps/v1 -kind: Deployment -metadata: - name: bot -spec: - replicas: 1 - selector: - matchLabels: - app: bot - template: - metadata: - labels: - app: bot - spec: - containers: - - name: bot - image: ghcr.io/python-discord/bot:latest - imagePullPolicy: Always - envFrom: - - secretRef: - name: bot-env diff --git a/tests/bot/exts/backend/sync/test_users.py b/tests/bot/exts/backend/sync/test_users.py index 61673e1bb..27932be95 100644 --- a/tests/bot/exts/backend/sync/test_users.py +++ b/tests/bot/exts/backend/sync/test_users.py @@ -188,30 +188,37 @@ class UserSyncerSyncTests(unittest.IsolatedAsyncioTestCase): """Tests for the API requests that sync users.""" def setUp(self): - patcher = mock.patch("bot.instance", new=helpers.MockBot()) - self.bot = patcher.start() - self.addCleanup(patcher.stop) + bot_patcher = mock.patch("bot.instance", new=helpers.MockBot()) + self.bot = bot_patcher.start() + self.addCleanup(bot_patcher.stop) + + chunk_patcher = mock.patch("bot.exts.backend.sync._syncers.CHUNK_SIZE", 2) + self.chunk_size = chunk_patcher.start() + self.addCleanup(chunk_patcher.stop) + + self.chunk_count = 2 + self.users = [fake_user(id=i) for i in range(self.chunk_size * self.chunk_count)] async def test_sync_created_users(self): """Only POST requests should be made with the correct payload.""" - users = [fake_user(id=111), fake_user(id=222)] - - diff = _Diff(users, [], None) + diff = _Diff(self.users, [], None) await UserSyncer._sync(diff) - self.bot.api_client.post.assert_called_once_with("bot/users", json=diff.created) + self.bot.api_client.post.assert_any_call("bot/users", json=diff.created[:self.chunk_size]) + self.bot.api_client.post.assert_any_call("bot/users", json=diff.created[self.chunk_size:]) + self.assertEqual(self.bot.api_client.post.call_count, self.chunk_count) self.bot.api_client.put.assert_not_called() self.bot.api_client.delete.assert_not_called() async def test_sync_updated_users(self): """Only PUT requests should be made with the correct payload.""" - users = [fake_user(id=111), fake_user(id=222)] - - diff = _Diff([], users, None) + diff = _Diff([], self.users, None) await UserSyncer._sync(diff) - self.bot.api_client.patch.assert_called_once_with("bot/users/bulk_patch", json=diff.updated) + self.bot.api_client.patch.assert_any_call("bot/users/bulk_patch", json=diff.updated[:self.chunk_size]) + self.bot.api_client.patch.assert_any_call("bot/users/bulk_patch", json=diff.updated[self.chunk_size:]) + self.assertEqual(self.bot.api_client.patch.call_count, self.chunk_count) self.bot.api_client.post.assert_not_called() self.bot.api_client.delete.assert_not_called() diff --git a/tests/bot/exts/info/test_information.py b/tests/bot/exts/info/test_information.py index daede54c5..80731c9f0 100644 --- a/tests/bot/exts/info/test_information.py +++ b/tests/bot/exts/info/test_information.py @@ -65,7 +65,7 @@ class InformationCogTests(unittest.IsolatedAsyncioTestCase): permissions=discord.Permissions(0), ) - self.ctx.guild.roles.append([dummy_role, admin_role]) + self.ctx.guild.roles.extend([dummy_role, admin_role]) self.cog.role_info.can_run = unittest.mock.AsyncMock() self.cog.role_info.can_run.return_value = True @@ -355,6 +355,7 @@ class UserEmbedTests(unittest.IsolatedAsyncioTestCase): self.assertEqual( textwrap.dedent(f""" Joined: {"1 year ago"} + Verified: {"True"} Roles: &Moderators """).strip(), embed.fields[1].value diff --git a/tests/bot/exts/moderation/infraction/test_infractions.py b/tests/bot/exts/moderation/infraction/test_infractions.py index bf557a484..86c2617ea 100644 --- a/tests/bot/exts/moderation/infraction/test_infractions.py +++ b/tests/bot/exts/moderation/infraction/test_infractions.py @@ -1,10 +1,12 @@ +import inspect import textwrap import unittest -from unittest.mock import AsyncMock, MagicMock, Mock, patch +from unittest.mock import ANY, AsyncMock, MagicMock, Mock, patch from bot.constants import Event +from bot.exts.moderation.infraction import _utils from bot.exts.moderation.infraction.infractions import Infractions -from tests.helpers import MockBot, MockContext, MockGuild, MockMember, MockRole +from tests.helpers import MockBot, MockContext, MockGuild, MockMember, MockRole, MockUser, autospec class TruncationTests(unittest.IsolatedAsyncioTestCase): @@ -132,20 +134,29 @@ class VoiceBanTests(unittest.IsolatedAsyncioTestCase): self.assertIsNone(await self.cog.apply_voice_ban(self.ctx, self.user, "foobar")) self.cog.mod_log.ignore.assert_called_once_with(Event.member_update, self.user.id) + async def action_tester(self, action, reason: str) -> None: + """Helper method to test voice ban action.""" + self.assertTrue(inspect.iscoroutine(action)) + await action + + self.user.move_to.assert_called_once_with(None, reason=ANY) + self.user.remove_roles.assert_called_once_with(self.cog._voice_verified_role, reason=reason) + @patch("bot.exts.moderation.infraction.infractions._utils.post_infraction") @patch("bot.exts.moderation.infraction.infractions._utils.get_active_infraction") async def test_voice_ban_apply_infraction(self, get_active_infraction, post_infraction_mock): """Should ignore Voice Verified role removing.""" self.cog.mod_log.ignore = MagicMock() self.cog.apply_infraction = AsyncMock() - self.user.remove_roles = MagicMock(return_value="my_return_value") get_active_infraction.return_value = None post_infraction_mock.return_value = {"foo": "bar"} - self.assertIsNone(await self.cog.apply_voice_ban(self.ctx, self.user, "foobar")) - self.user.remove_roles.assert_called_once_with(self.cog._voice_verified_role, reason="foobar") - self.cog.apply_infraction.assert_awaited_once_with(self.ctx, {"foo": "bar"}, self.user, "my_return_value") + reason = "foobar" + self.assertIsNone(await self.cog.apply_voice_ban(self.ctx, self.user, reason)) + self.cog.apply_infraction.assert_awaited_once_with(self.ctx, {"foo": "bar"}, self.user, ANY) + + await self.action_tester(self.cog.apply_infraction.call_args[0][-1], reason) @patch("bot.exts.moderation.infraction.infractions._utils.post_infraction") @patch("bot.exts.moderation.infraction.infractions._utils.get_active_infraction") @@ -153,16 +164,33 @@ class VoiceBanTests(unittest.IsolatedAsyncioTestCase): """Should truncate reason for voice ban.""" self.cog.mod_log.ignore = MagicMock() self.cog.apply_infraction = AsyncMock() - self.user.remove_roles = MagicMock(return_value="my_return_value") get_active_infraction.return_value = None post_infraction_mock.return_value = {"foo": "bar"} self.assertIsNone(await self.cog.apply_voice_ban(self.ctx, self.user, "foobar" * 3000)) - self.user.remove_roles.assert_called_once_with( - self.cog._voice_verified_role, reason=textwrap.shorten("foobar" * 3000, 512, placeholder="...") - ) - self.cog.apply_infraction.assert_awaited_once_with(self.ctx, {"foo": "bar"}, self.user, "my_return_value") + self.cog.apply_infraction.assert_awaited_once_with(self.ctx, {"foo": "bar"}, self.user, ANY) + + # Test action + action = self.cog.apply_infraction.call_args[0][-1] + await self.action_tester(action, textwrap.shorten("foobar" * 3000, 512, placeholder="...")) + + @autospec(_utils, "post_infraction", "get_active_infraction", return_value=None) + @autospec(Infractions, "apply_infraction") + async def test_voice_ban_user_left_guild(self, apply_infraction_mock, post_infraction_mock, _): + """Should voice ban user that left the guild without throwing an error.""" + infraction = {"foo": "bar"} + post_infraction_mock.return_value = {"foo": "bar"} + + user = MockUser() + await self.cog.voiceban(self.cog, self.ctx, user, reason=None) + post_infraction_mock.assert_called_once_with(self.ctx, user, "voice_ban", None, active=True) + apply_infraction_mock.assert_called_once_with(self.cog, self.ctx, infraction, user, ANY) + + # Test action + action = self.cog.apply_infraction.call_args[0][-1] + self.assertTrue(inspect.iscoroutine(action)) + await action async def test_voice_unban_user_not_found(self): """Should include info to return dict when user was not found from guild.""" diff --git a/tests/bot/exts/moderation/test_silence.py b/tests/bot/exts/moderation/test_silence.py index 104293d8e..fa5fc9e81 100644 --- a/tests/bot/exts/moderation/test_silence.py +++ b/tests/bot/exts/moderation/test_silence.py @@ -117,15 +117,6 @@ class SilenceCogTests(unittest.IsolatedAsyncioTestCase): self.bot.get_guild.assert_called_once_with(Guild.id) @autospec(silence, "SilenceNotifier", pass_mocks=False) - async def test_async_init_got_role(self): - """Got `Roles.verified` role from guild.""" - guild = self.bot.get_guild() - guild.get_role.side_effect = lambda id_: Mock(id=id_) - - await self.cog._async_init() - self.assertEqual(self.cog._verified_role.id, Roles.verified) - - @autospec(silence, "SilenceNotifier", pass_mocks=False) async def test_async_init_got_channels(self): """Got channels from bot.""" self.bot.get_channel.side_effect = lambda id_: MockTextChannel(id=id_) @@ -302,7 +293,7 @@ class SilenceTests(unittest.IsolatedAsyncioTestCase): self.assertFalse(self.overwrite.send_messages) self.assertFalse(self.overwrite.add_reactions) self.channel.set_permissions.assert_awaited_once_with( - self.cog._verified_role, + self.cog._everyone_role, overwrite=self.overwrite ) @@ -435,7 +426,7 @@ class UnsilenceTests(unittest.IsolatedAsyncioTestCase): """Channel's `send_message` and `add_reactions` overwrites were restored.""" await self.cog._unsilence(self.channel) self.channel.set_permissions.assert_awaited_once_with( - self.cog._verified_role, + self.cog._everyone_role, overwrite=self.overwrite, ) @@ -449,7 +440,7 @@ class UnsilenceTests(unittest.IsolatedAsyncioTestCase): await self.cog._unsilence(self.channel) self.channel.set_permissions.assert_awaited_once_with( - self.cog._verified_role, + self.cog._everyone_role, overwrite=self.overwrite, ) diff --git a/tests/bot/exts/moderation/test_slowmode.py b/tests/bot/exts/moderation/test_slowmode.py index dad751e0d..5483b7a64 100644 --- a/tests/bot/exts/moderation/test_slowmode.py +++ b/tests/bot/exts/moderation/test_slowmode.py @@ -85,22 +85,14 @@ class SlowmodeTests(unittest.IsolatedAsyncioTestCase): self.ctx.reset_mock() - async def test_reset_slowmode_no_channel(self) -> None: - """Reset slowmode without a given channel.""" - self.ctx.channel = MockTextChannel(name='careers', slowmode_delay=6) - - await self.cog.reset_slowmode(self.cog, self.ctx, None) - self.ctx.send.assert_called_once_with( - f'{Emojis.check_mark} The slowmode delay for #careers has been reset to 0 seconds.' - ) - - async def test_reset_slowmode_with_channel(self) -> None: + async def test_reset_slowmode_sets_delay_to_zero(self) -> None: """Reset slowmode with a given channel.""" text_channel = MockTextChannel(name='meta', slowmode_delay=1) + self.cog.set_slowmode = mock.AsyncMock() await self.cog.reset_slowmode(self.cog, self.ctx, text_channel) - self.ctx.send.assert_called_once_with( - f'{Emojis.check_mark} The slowmode delay for #meta has been reset to 0 seconds.' + self.cog.set_slowmode.assert_awaited_once_with( + self.ctx, text_channel, relativedelta(seconds=0) ) @mock.patch("bot.exts.moderation.slowmode.has_any_role") diff --git a/tests/bot/exts/utils/test_jams.py b/tests/bot/exts/utils/test_jams.py index 45e7b5b51..85d6a1173 100644 --- a/tests/bot/exts/utils/test_jams.py +++ b/tests/bot/exts/utils/test_jams.py @@ -118,11 +118,9 @@ class JamCreateTeamTests(unittest.IsolatedAsyncioTestCase): self.assertTrue(overwrites[member].read_messages) self.assertTrue(overwrites[member].connect) - # Everyone and verified role overwrite + # Everyone role overwrite self.assertFalse(overwrites[self.guild.default_role].read_messages) self.assertFalse(overwrites[self.guild.default_role].connect) - self.assertFalse(overwrites[self.guild.get_role(Roles.verified)].read_messages) - self.assertFalse(overwrites[self.guild.get_role(Roles.verified)].connect) async def test_team_channels_creation(self): """Should create new voice and text channel for team.""" diff --git a/tests/bot/test_api.py b/tests/bot/test_api.py index 99e942813..76bcb481d 100644 --- a/tests/bot/test_api.py +++ b/tests/bot/test_api.py @@ -13,14 +13,6 @@ class APIClientTests(unittest.IsolatedAsyncioTestCase): cls.error_api_response = MagicMock() cls.error_api_response.status = 999 - def test_loop_is_not_running_by_default(self): - """The event loop should not be running by default.""" - self.assertFalse(api.loop_is_running()) - - async def test_loop_is_running_in_async_context(self): - """The event loop should be running in an async context.""" - self.assertTrue(api.loop_is_running()) - def test_response_code_error_default_initialization(self): """Test the default initialization of `ResponseCodeError` without `text` or `json`""" error = api.ResponseCodeError(response=self.error_api_response) diff --git a/tests/helpers.py b/tests/helpers.py index ea5e2822c..e3dc5fe5b 100644 --- a/tests/helpers.py +++ b/tests/helpers.py @@ -230,7 +230,7 @@ class MockMember(CustomMockMixin, unittest.mock.Mock, ColourMixin, HashableMixin spec_set = member_instance def __init__(self, roles: Optional[Iterable[MockRole]] = None, **kwargs) -> None: - default_kwargs = {'name': 'member', 'id': next(self.discord_id), 'bot': False} + default_kwargs = {'name': 'member', 'id': next(self.discord_id), 'bot': False, "pending": False} super().__init__(**collections.ChainMap(kwargs, default_kwargs)) self.roles = [MockRole(name="@everyone", position=1, id=0)] |