Print to stderr

mirrortea

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 import asyncio
+import sys
 
 import aiogram as telegram
 import nio as matrix
@@ -14,20 +15,27 @@ async def main():
     try:
         matrix_client = \
             matrix.AsyncClient(MATRIX_HOMESERVER_URL, MATRIX_FULL_USER_ID)
+
+        matrix_client.add_event_callback(matrix_on_message,
+                                         matrix.RoomMessage)
+
         await matrix_client.login(MATRIX_PASSWORD)
 
         telegram_client = telegram.Bot(token=TELEGRAM_BOT_TOKEN)
 
-        await asyncio.gather(matrix_loop(), telegram_loop())
+        await asyncio.gather(matrix_loop(matrix_client), telegram_loop())
     finally:
         if matrix_client:
             await matrix_client.close()
 
-async def matrix_loop():
-    print(123)
+async def matrix_loop(client):
+    await client.sync_forever(timeout=30000)
 
 async def telegram_loop():
-    print(456)
+    print(456, file=sys.stderr)
+
+async def matrix_on_message(room, event):
+    print(room, event, file=sys.stderr)
 
 if __name__ == '__main__':
     asyncio.run(main())