Add http_trace option in Client to trace the library's HTTP requests

discord/client.py

@@ -189,6 +189,12 @@ class Client:
         this is ``False`` then those events will not be dispatched (due to performance considerations).
         To enable these events, this must be set to ``True``. Defaults to ``False``.
 
+        .. versionadded:: 2.0
+    http_trace: :class:`aiohttp.TraceConfig`
+        The trace configuration to use for tracking HTTP requests the library does using ``aiohttp``.
+        This allows you to check requests the library is using. For more information, check the
+        `aiottp documentation <https://docs.aiohttp.org/en/stable/client_advanced.html#client-tracing>`_.
+
         .. versionadded:: 2.0
 
     Attributes
@@ -208,7 +214,14 @@ class Client:
         proxy: Optional[str] = options.pop('proxy', None)
         proxy_auth: Optional[aiohttp.BasicAuth] = options.pop('proxy_auth', None)
         unsync_clock: bool = options.pop('assume_unsync_clock', True)
-        self.http: HTTPClient = HTTPClient(self.loop, proxy=proxy, proxy_auth=proxy_auth, unsync_clock=unsync_clock)
+        http_trace: Optional[aiohttp.TraceConfig] = options.pop('http_trace', None)
+        self.http: HTTPClient = HTTPClient(
+            self.loop,
+            proxy=proxy,
+            proxy_auth=proxy_auth,
+            unsync_clock=unsync_clock,
+            http_trace=http_trace,
+        )
 
         self._handlers: Dict[str, Callable[..., None]] = {
             'ready': self._handle_ready,

discord/http.py

@@ -331,6 +331,7 @@ class HTTPClient:
         proxy: Optional[str] = None,
         proxy_auth: Optional[aiohttp.BasicAuth] = None,
         unsync_clock: bool = True,
+        http_trace: Optional[aiohttp.TraceConfig] = None,
     ) -> None:
         self.loop: asyncio.AbstractEventLoop = loop
         self.connector: aiohttp.BaseConnector = connector or MISSING
@@ -341,6 +342,7 @@ class HTTPClient:
         self.bot_token: bool = False
         self.proxy: Optional[str] = proxy
         self.proxy_auth: Optional[aiohttp.BasicAuth] = proxy_auth
+        self.http_trace: Optional[aiohttp.TraceConfig] = http_trace
         self.use_clock: bool = not unsync_clock
 
         user_agent = 'DiscordBot (https://github.com/Rapptz/discord.py {0}) Python/{1[0]}.{1[1]} aiohttp/{2}'
@@ -540,7 +542,10 @@ class HTTPClient:
             self.connector = aiohttp.TCPConnector(loop=self.loop, limit=0)
 
         self.__session = aiohttp.ClientSession(
-            connector=self.connector, ws_response_class=DiscordClientWebSocketResponse, loop=self.loop
+            connector=self.connector,
+            ws_response_class=DiscordClientWebSocketResponse,
+            loop=self.loop,
+            trace_configs=None if self.http_trace is None else [self.http_trace],
         )
         self._global_over = asyncio.Event()
         self._global_over.set()