Use new rate limit millisecond precision option.

discord/http.py

@@ -105,7 +105,7 @@ class HTTPClient:
         if self.__session.closed:
             self.__session = aiohttp.ClientSession(connector=self.connector, loop=self.loop)
 
-    async def request(self, route, *, files=None, header_bypass_delay=None, **kwargs):
+    async def request(self, route, *, files=None, **kwargs):
         bucket = route.bucket
         method = route.method
         url = route.url
@@ -119,6 +119,7 @@ class HTTPClient:
         # header creation
         headers = {
             'User-Agent': self.user_agent,
+            'X-Ratelimit-Precision': 'millisecond',
         }
 
         if self.token is not None:
@@ -165,11 +166,7 @@ class HTTPClient:
                     remaining = r.headers.get('X-Ratelimit-Remaining')
                     if remaining == '0' and r.status != 429:
                         # we've depleted our current bucket
-                        if header_bypass_delay is None:
-                            delta = utils._parse_ratelimit_header(r)
-                        else:
-                            delta = header_bypass_delay
-
+                        delta = utils._parse_ratelimit_header(r)
                         log.debug('A rate limit bucket has been exhausted (bucket: %s, retry: %s).', bucket, delta)
                         maybe_lock.defer()
                         self.loop.call_later(delta, lock.release)
@@ -383,17 +380,17 @@ class HTTPClient:
     def add_reaction(self, channel_id, message_id, emoji):
         r = Route('PUT', '/channels/{channel_id}/messages/{message_id}/reactions/{emoji}/@me',
                   channel_id=channel_id, message_id=message_id, emoji=emoji)
-        return self.request(r, header_bypass_delay=0.25)
+        return self.request(r)
 
     def remove_reaction(self, channel_id, message_id, emoji, member_id):
         r = Route('DELETE', '/channels/{channel_id}/messages/{message_id}/reactions/{emoji}/{member_id}',
                   channel_id=channel_id, message_id=message_id, member_id=member_id, emoji=emoji)
-        return self.request(r, header_bypass_delay=0.25)
+        return self.request(r)
 
     def remove_own_reaction(self, channel_id, message_id, emoji):
         r = Route('DELETE', '/channels/{channel_id}/messages/{message_id}/reactions/{emoji}/@me',
                   channel_id=channel_id, message_id=message_id, emoji=emoji)
-        return self.request(r, header_bypass_delay=0.25)
+        return self.request(r)
 
     def get_reaction_users(self, channel_id, message_id, emoji, limit, after=None):
         r = Route('GET', '/channels/{channel_id}/messages/{message_id}/reactions/{emoji}',

discord/utils.py

@@ -304,7 +304,7 @@ def to_json(obj):
 
 def _parse_ratelimit_header(request):
     now = parsedate_to_datetime(request.headers['Date'])
-    reset = datetime.datetime.fromtimestamp(int(request.headers['X-Ratelimit-Reset']), datetime.timezone.utc)
+    reset = datetime.datetime.fromtimestamp(float(request.headers['X-Ratelimit-Reset']), datetime.timezone.utc)
     return (reset - now).total_seconds()
 
 async def maybe_coroutine(f, *args, **kwargs):