Guild Sharding support

discord/client.py

@@ -101,6 +101,10 @@ class Client:
     connector : aiohttp.BaseConnector
         The `connector`_ to use for connection pooling. Useful for proxies, e.g.
         with a `ProxyConnector`_.
+    shard_id : Optional[int]
+        Integer starting at 0 and less than shard_count.
+    shard_count : Optional[int]
+        The total number of shards.
 
     Attributes
     -----------
@@ -133,6 +137,8 @@ class Client:
         self.loop = asyncio.get_event_loop() if loop is None else loop
         self._listeners = []
         self.cache_auth = options.get('cache_auth', True)
+        self.shard_id = options.get('shard_id')
+        self.shard_count = options.get('shard_count')
 
         max_messages = options.get('max_messages')
         if max_messages is None or max_messages < 100:

discord/gateway.py

@@ -178,6 +178,8 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
         ws._connection = client.connection
         ws._dispatch = client.dispatch
         ws.gateway = gateway
+        ws.shard_id = client.shard_id
+        ws.shard_count = client.shard_count
 
         client.connection._update_references(ws)
 
@@ -250,6 +252,9 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
         if not self._connection.is_bot:
             payload['d']['synced_guilds'] = []
 
+        if self.shard_id is not None and self.shard_count is not None:
+            payload['d']['shard'] = [self.shard_id, self.shard_count]
+
         yield from self.send_as_json(payload)
 
     @asyncio.coroutine