server sends and receives messages; supports new users joining and chatting

requirements.txt

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+websockets

server.py

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+import asyncio
+import json
+import websockets
+
+connected = []
+IDs = {}
+
+async def handler(websocket):
+    await websocket.send(json.dumps({"type": "test", "message": "test packet from server"}))
+    async for original in websocket:
+        packet = json.loads(original)
+        print(packet)
+        if packet["type"] == "user_joined":
+            IDs[websocket] = packet["name"]
+            connected.append(websocket)
+
+            websockets.broadcast(connected, json.dumps({"type": "server_message", "message": IDs[websocket] + " joined"}))
+        elif packet["type"] == "shout" or packet['type'] == "server_message":
+            websockets.broadcast(connected, json.dumps({"type": "shout", "name": IDs[websocket], "message": packet["message"]}))
+
+
+async def main():
+    async with websockets.serve(handler, "", 8080):
+        await asyncio.Future()  # run forever
+
+
+if __name__ == "__main__":
+    asyncio.run(main())