Remove fastapi-socketio dependency, doesn't really do much for us and… (#4552)

* Remove fastapi-socketio dependency, doesn't really do much for us and isn't well maintained

* Run python black

* Remove fastapi_socketio import

* Add __app as class variable in case we ever need it later

* Run isort

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Co-authored-by: psychedelicious <4822129+psychedelicious@users.noreply.github.com>

invokeai/app/api/sockets.py

@@ -3,16 +3,19 @@
 from fastapi import FastAPI
 from fastapi_events.handlers.local import local_handler
 from fastapi_events.typing import Event
-from fastapi_socketio import SocketManager
+from socketio import ASGIApp, AsyncServer
 
 from ..services.events import EventServiceBase
 
 
 class SocketIO:
-    __sio: SocketManager
+    __sio: AsyncServer
+    __app: ASGIApp
 
     def __init__(self, app: FastAPI):
-        self.__sio = SocketManager(app=app)
+        self.__sio = AsyncServer(async_mode="asgi", cors_allowed_origins="*")
+        self.__app = ASGIApp(socketio_server=self.__sio, socketio_path="socket.io")
+        app.mount("/ws", self.__app)
 
         self.__sio.on("subscribe_queue", handler=self._handle_sub_queue)
         self.__sio.on("unsubscribe_queue", handler=self._handle_unsub_queue)

pyproject.toml

@@ -48,7 +48,6 @@ dependencies = [
   "facexlib",
   "fastapi==0.88.0",
   "fastapi-events==0.8.0",
-  "fastapi-socketio==0.0.10",
   "huggingface-hub~=0.16.4",
   "invisible-watermark~=0.2.0", # needed to install SDXL base and refiner using their repo_ids
   "matplotlib",                 # needed for plotting of Penner easing functions