, this mean that no threads available - if recents.p: - continue - - for thread in recents.html.body.div.find_all("a", href=True): - # We want only these threads that have identifiers - if "latest" in thread["href"]: - continue - - thread_information, email_information = await self.get_thread_and_first_mail( - maillist, thread["href"].split("/")[-2] - ) - - try: - new_date = datetime.strptime(email_information["date"], "%Y-%m-%dT%X%z") - except ValueError: - log.warning(f"Invalid datetime from Thread email: {email_information['date']}") - continue - - if ( - thread_information["thread_id"] in existing_news["data"][maillist] - or new_date.date() < date.today() - ): - continue - - content = email_information["content"] - link = THREAD_URL.format(id=thread["href"].split("/")[-2], list=maillist) - msg = await self.send_webhook( - title=thread_information["subject"], - description=content[:500] + f"... [continue reading]({link})" if len(content) > 500 else content, - timestamp=new_date, - url=link, - author=f"{email_information['sender_name']} ({email_information['sender']['address']})", - author_url=MAILMAN_PROFILE_URL.format(id=email_information["sender"]["mailman_id"]), - webhook_profile_name=self.webhook_names[maillist], - footer=f"Posted to {self.webhook_names[maillist]}" - ) - payload["data"][maillist].append(thread_information["thread_id"]) - - if msg.channel.is_news(): - log.trace("Publishing mailing list message because it was in a news channel") - await msg.publish() - - await self.bot.api_client.put("bot/bot-settings/news", json=payload) - - async def send_webhook(self, - title: str, - description: str, - timestamp: datetime, - url: str, - webhook_profile_name: str, - footer: str, - author: t.Optional[str] = None, - author_url: t.Optional[str] = None, - ) -> discord.Message: - """Send webhook entry and return sent message.""" - embed = discord.Embed( - title=title, - description=description, - timestamp=timestamp, - url=url, - colour=constants.Colours.soft_green - ) - if author and author_url: - embed.set_author( - name=author, - url=author_url - ) - embed.set_footer(text=footer, icon_url=AVATAR_URL) - - return await self.webhook.send( - embed=embed, - username=webhook_profile_name, - avatar_url=AVATAR_URL, - wait=True - ) - - async def get_thread_and_first_mail(self, maillist: str, thread_identifier: str) -> t.Tuple[t.Any, t.Any]: - """Get mail thread and first mail from mail.python.org based on `maillist` and `thread_identifier`.""" - async with self.bot.http_session.get( - THREAD_TEMPLATE_URL.format(name=maillist, id=thread_identifier) - ) as resp: - thread_information = await resp.json() - - async with self.bot.http_session.get(thread_information["starting_email"]) as resp: - email_information = await resp.json() - return thread_information, email_information - - async def get_webhook_and_channel(self) -> None: - """Storage #python-news channel Webhook and `TextChannel` to `News.webhook` and `channel`.""" - await self.bot.wait_until_guild_available() - self.webhook = await self.bot.fetch_webhook(constants.PythonNews.webhook) - self.channel = await self.bot.fetch_channel(constants.PythonNews.channel) - - await self.start_tasks() - - def cog_unload(self) -> None: - """Stop news posting tasks on cog unload.""" - self.post_pep_news.cancel() - self.post_maillist_news.cancel() - - -def setup(bot: Bot) -> None: - """Add `News` cog.""" - bot.add_cog(News(bot)) diff --git a/bot/cogs/python_news.py b/bot/cogs/python_news.py new file mode 100644 index 000000000..092ee3cff --- /dev/null +++ b/bot/cogs/python_news.py @@ -0,0 +1,232 @@ +import logging +import typing as t +from datetime import date, datetime + +import discord +import feedparser +from bs4 import BeautifulSoup +from discord.ext.commands import Cog +from discord.ext.tasks import loop + +from bot import constants +from bot.bot import Bot + +PEPS_RSS_URL = "https://www.python.org/dev/peps/peps.rss/" + +RECENT_THREADS_TEMPLATE = "https://mail.python.org/archives/list/{name}@python.org/recent-threads" +THREAD_TEMPLATE_URL = "https://mail.python.org/archives/api/list/{name}@python.org/thread/{id}/" +MAILMAN_PROFILE_URL = "https://mail.python.org/archives/users/{id}/" +THREAD_URL = "https://mail.python.org/archives/list/{list}@python.org/thread/{id}/" + +AVATAR_URL = "https://www.python.org/static/opengraph-icon-200x200.png" + +log = logging.getLogger(__name__) + + +class PythonNews(Cog): + """Post new PEPs and Python News to `#python-news`.""" + + def __init__(self, bot: Bot): + self.bot = bot + self.webhook_names = {} + self.webhook: t.Optional[discord.Webhook] = None + self.channel: t.Optional[discord.TextChannel] = None + + self.bot.loop.create_task(self.get_webhook_names()) + self.bot.loop.create_task(self.get_webhook_and_channel()) + + async def start_tasks(self) -> None: + """Start the tasks for fetching new PEPs and mailing list messages.""" + self.post_pep_news.start() + self.post_maillist_news.start() + + async def sync_maillists(self) -> None: + """Sync currently in-use maillists with API.""" + # Wait until guild is available to avoid running before everything is ready + await self.bot.wait_until_guild_available() + + response = await self.bot.api_client.get("bot/bot-settings/news") + for mail in constants.PythonNews.mail_lists: + if mail not in response["data"]: + response["data"][mail] = [] + + # Because we are handling PEPs differently, we don't include it to mail lists + if "pep" not in response["data"]: + response["data"]["pep"] = [] + + await self.bot.api_client.put("bot/bot-settings/news", json=response) + + async def get_webhook_names(self) -> None: + """Get webhook author names from maillist API.""" + await self.bot.wait_until_guild_available() + + async with self.bot.http_session.get("https://mail.python.org/archives/api/lists") as resp: + lists = await resp.json() + + for mail in lists: + if mail["name"].split("@")[0] in constants.PythonNews.mail_lists: + self.webhook_names[mail["name"].split("@")[0]] = mail["display_name"] + + @loop(minutes=20) + async def post_pep_news(self) -> None: + """Fetch new PEPs and when they don't have announcement in #python-news, create it.""" + # Wait until everything is ready and http_session available + await self.bot.wait_until_guild_available() + await self.sync_maillists() + + async with self.bot.http_session.get(PEPS_RSS_URL) as resp: + data = feedparser.parse(await resp.text()) + + news_listing = await self.bot.api_client.get("bot/bot-settings/news") + payload = news_listing.copy() + pep_numbers = news_listing["data"]["pep"] + + # Reverse entries to send oldest first + data["entries"].reverse() + for new in data["entries"]: + try: + new_datetime = datetime.strptime(new["published"], "%a, %d %b %Y %X %Z") + except ValueError: + log.warning(f"Wrong datetime format passed in PEP new: {new['published']}") + continue + pep_nr = new["title"].split(":")[0].split()[1] + if ( + pep_nr in pep_numbers + or new_datetime.date() < date.today() + ): + continue + + msg = await self.send_webhook( + title=new["title"], + description=new["summary"], + timestamp=new_datetime, + url=new["link"], + webhook_profile_name=data["feed"]["title"], + footer=data["feed"]["title"] + ) + payload["data"]["pep"].append(pep_nr) + + if msg.channel.is_news(): + log.trace("Publishing PEP annnouncement because it was in a news channel") + await msg.publish() + + # Apply new sent news to DB to avoid duplicate sending + await self.bot.api_client.put("bot/bot-settings/news", json=payload) + + @loop(minutes=20) + async def post_maillist_news(self) -> None: + """Send new maillist threads to #python-news that is listed in configuration.""" + await self.bot.wait_until_guild_available() + await self.sync_maillists() + existing_news = await self.bot.api_client.get("bot/bot-settings/news") + payload = existing_news.copy() + + for maillist in constants.PythonNews.mail_lists: + async with self.bot.http_session.get(RECENT_THREADS_TEMPLATE.format(name=maillist)) as resp: + recents = BeautifulSoup(await resp.text(), features="lxml") + + # When response have
, this mean that no threads available + if recents.p: + continue + + for thread in recents.html.body.div.find_all("a", href=True): + # We want only these threads that have identifiers + if "latest" in thread["href"]: + continue + + thread_information, email_information = await self.get_thread_and_first_mail( + maillist, thread["href"].split("/")[-2] + ) + + try: + new_date = datetime.strptime(email_information["date"], "%Y-%m-%dT%X%z") + except ValueError: + log.warning(f"Invalid datetime from Thread email: {email_information['date']}") + continue + + if ( + thread_information["thread_id"] in existing_news["data"][maillist] + or new_date.date() < date.today() + ): + continue + + content = email_information["content"] + link = THREAD_URL.format(id=thread["href"].split("/")[-2], list=maillist) + msg = await self.send_webhook( + title=thread_information["subject"], + description=content[:500] + f"... [continue reading]({link})" if len(content) > 500 else content, + timestamp=new_date, + url=link, + author=f"{email_information['sender_name']} ({email_information['sender']['address']})", + author_url=MAILMAN_PROFILE_URL.format(id=email_information["sender"]["mailman_id"]), + webhook_profile_name=self.webhook_names[maillist], + footer=f"Posted to {self.webhook_names[maillist]}" + ) + payload["data"][maillist].append(thread_information["thread_id"]) + + if msg.channel.is_news(): + log.trace("Publishing mailing list message because it was in a news channel") + await msg.publish() + + await self.bot.api_client.put("bot/bot-settings/news", json=payload) + + async def send_webhook(self, + title: str, + description: str, + timestamp: datetime, + url: str, + webhook_profile_name: str, + footer: str, + author: t.Optional[str] = None, + author_url: t.Optional[str] = None, + ) -> discord.Message: + """Send webhook entry and return sent message.""" + embed = discord.Embed( + title=title, + description=description, + timestamp=timestamp, + url=url, + colour=constants.Colours.soft_green + ) + if author and author_url: + embed.set_author( + name=author, + url=author_url + ) + embed.set_footer(text=footer, icon_url=AVATAR_URL) + + return await self.webhook.send( + embed=embed, + username=webhook_profile_name, + avatar_url=AVATAR_URL, + wait=True + ) + + async def get_thread_and_first_mail(self, maillist: str, thread_identifier: str) -> t.Tuple[t.Any, t.Any]: + """Get mail thread and first mail from mail.python.org based on `maillist` and `thread_identifier`.""" + async with self.bot.http_session.get( + THREAD_TEMPLATE_URL.format(name=maillist, id=thread_identifier) + ) as resp: + thread_information = await resp.json() + + async with self.bot.http_session.get(thread_information["starting_email"]) as resp: + email_information = await resp.json() + return thread_information, email_information + + async def get_webhook_and_channel(self) -> None: + """Storage #python-news channel Webhook and `TextChannel` to `News.webhook` and `channel`.""" + await self.bot.wait_until_guild_available() + self.webhook = await self.bot.fetch_webhook(constants.PythonNews.webhook) + self.channel = await self.bot.fetch_channel(constants.PythonNews.channel) + + await self.start_tasks() + + def cog_unload(self) -> None: + """Stop news posting tasks on cog unload.""" + self.post_pep_news.cancel() + self.post_maillist_news.cancel() + + +def setup(bot: Bot) -> None: + """Add `News` cog.""" + bot.add_cog(PythonNews(bot)) -- cgit v1.2.3