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server/lib/__init__.py

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+# This file makes the 'lib' directory a Python package.

server/lib/livekit.py

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+import os
+from livekit import api
+
+LIVEKIT_URL = os.getenv("LIVEKIT_URL")
+LIVEKIT_API_KEY = os.getenv("LIVEKIT_API_KEY")
+LIVEKIT_API_SECRET = os.getenv("LIVEKIT_API_SECRET")
+
+lkapi = api.LiveKitAPI(LIVEKIT_URL, LIVEKIT_API_KEY, LIVEKIT_API_SECRET)
+
+def create_access_token(identity: str, name: str, metadata: str, room_name: str) -> str:
+    token = (
+        api.AccessToken(LIVEKIT_API_KEY, LIVEKIT_API_SECRET)
+        .with_identity(identity)
+        .with_name(name)
+        .with_metadata(metadata)
+        .with_grants(
+            api.VideoGrants(
+                room_join=True,
+                room=room_name,
+                can_publish=True,
+                can_publish_data=True,
+                can_subscribe=True,
+            )
+        )
+        .to_jwt()
+    )
+    return token
+
+async def create_room_if_not_exists(room_name: str):
+    try:
+        await lkapi.room.create_room(api.CreateRoomRequest(name=room_name))
+    except api.RoomError as e:
+        if "room already exists" in str(e):
+            pass  # Room already exists, which is fine
+        else:
+            raise e