fix Client.start

Author: IAmTomahawkx

docs/changelog.rst

@@ -36,6 +36,7 @@ Master
         - Corrected :class:`~twitchio.Predictor` slots and user keys, repr has also been added
         - Updated IRC parser to not strip colons from beginning of messages
         - Updated IRC parser to not remove multiple spaces when clumped together
+        - Fixed :func:`twitchio.Client.start` exiting immediatly
 
 - ext.commands
     - Bug fixes

twitchio/client.py

@@ -99,6 +99,7 @@ def __init__(
         self._events = {}
         self._waiting: List[Tuple[str, Callable[[...], bool], asyncio.Future]] = []
         self.registered_callbacks: Dict[Callable, str] = {}
+        self._closing: Optional[asyncio.Event] = None
 
     @classmethod
     def from_client_credentials(
@@ -159,7 +160,9 @@ def run(self):
         except KeyboardInterrupt:
             pass
         finally:
-            self.loop.run_until_complete(self.close())
+            if not self._closing.is_set():
+                self.loop.run_until_complete(self.close())
+
             self.loop.close()
 
     async def start(self):
@@ -174,21 +177,25 @@ async def start(self):
             )
         try:
             await self.connect()
+            await self._closing.wait()
         finally:
-            await self.close()
+            if not self._closing.is_set():
+                await self.close()
 
     async def connect(self):
         """|coro|
 
         Connects to the twitch IRC server
         """
+        self._closing = asyncio.Event()
         await self._connection._connect()
 
     async def close(self):
         """|coro|
 
         Cleanly disconnects from the twitch IRC server
         """
+        self._closing.set()
         await self._connection._close()
 
     def run_event(self, event_name, *args):