Monkey patch http.send_typing to catch 403s

Sometimes discord turns off typing events by throwing 403's, so we should catch those

2 files changed, 35 insertions, 1 deletions

diff --git a/bot/__init__.py b/bot/__init__.py
index 8f880b8e6..70ff03fd4 100644
--- a/bot/__init__.py
+++ b/bot/__init__.py
@@ -5,7 +5,7 @@ from typing import TYPE_CHECKING
 
 from discord.ext import commands
 
-from bot import log
+from bot import log, typing
 from bot.command import Command
 
 if TYPE_CHECKING:
@@ -17,6 +17,8 @@ log.setup()
 if os.name == "nt":
     asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
 
+typing.patch_typing()
+
 # Monkey-patch discord.py decorators to use the Command subclass which supports root aliases.
 # Must be patched before any cogs are added.
 commands.command = partial(commands.command, cls=Command)
diff --git a/bot/typing.py b/bot/typing.py
new file mode 100644
index 000000000..4b1df3f2f
--- /dev/null
+++ b/bot/typing.py
@@ -0,0 +1,32 @@
+import logging
+from datetime import datetime, timedelta
+
+from discord import Forbidden, http
+
+log = logging.getLogger(__name__)
+
+
+def patch_typing() -> None:
+    """
+    Sometimes discord turns off typing events by throwing 403's.
+
+    Handle those issues by patching the trigger_typing method so it ignores 403's in general.
+    """
+    log.info("Patching send_typing, which should fix things breaking when discord disables typing events. Stay safe!")
+
+    original = http.HTTPClient.send_typing
+    last_403 = None
+
+    async def honeybadger_type(self, channel_id: int) -> None:  # noqa: ANN001
+        nonlocal last_403
+        if last_403 and (datetime.now() - last_403) < timedelta(minutes=5):
+            log.warning("Not sending typing event, we got a 403 less than 5 minutes ago.")
+            return
+        try:
+            await original(self, channel_id)
+        except Forbidden:
+            last_403 = datetime.now()
+            log.warning("Got a 403 from typing event!")
+            pass
+
+    http.HTTPClient.send_typing = honeybadger_type