Add FastAPI and Litestar server examples

Author: miguelgrinberg

examples/server/asgi/README.rst

@@ -28,6 +28,16 @@ fiddle.py
 This is a very simple application based on a JavaScript example of the same
 name.
 
+fastapi-fiddle.py
+-----------------
+
+A version of `fiddle.py` that is integrated with the FastAPI framework.
+
+litestar-fiddle.py
+------------------
+
+A version of `fiddle.py` that is integrated with the Litestar framework.
+
 Running the Examples
 --------------------
 

examples/server/asgi/fastapi-fiddle.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+from fastapi import FastAPI
+from fastapi.responses import FileResponse
+from fastapi.staticfiles import StaticFiles
+import socketio
+import uvicorn
+
+app = FastAPI()
+app.mount('/static', StaticFiles(directory='static'), name='static')
+
+sio = socketio.AsyncServer(async_mode='asgi')
+combined_asgi_app = socketio.ASGIApp(sio, app)
+
+
+@app.get('/')
+async def index():
+    return FileResponse('fiddle.html')
+
+
+@app.get('/hello')
+async def hello():
+    return {'message': 'Hello, World!'}
+
+
+@sio.event
+async def connect(sid, environ, auth):
+    print(f'connected auth={auth} sid={sid}')
+    await sio.emit('hello', (1, 2, {'hello': 'you'}), to=sid)
+
+
+@sio.event
+def disconnect(sid):
+    print('disconnected', sid)
+
+
+if __name__ == '__main__':
+    uvicorn.run(combined_asgi_app, host='127.0.0.1', port=5000)

examples/server/asgi/litestar-fiddle.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+from litestar import Litestar, get, MediaType
+from litestar.response import File
+from litestar.static_files.config import StaticFilesConfig
+import socketio
+import uvicorn
+
+sio = socketio.AsyncServer(async_mode='asgi')
+
+
+@get('/', media_type=MediaType.HTML)
+async def index() -> File:
+    return File('fiddle.html', content_disposition_type='inline')
+
+
+@get('/hello')
+async def hello() -> dict:
+    return {'message': 'Hello, World!'}
+
+
+@sio.event
+async def connect(sid, environ, auth):
+    print(f'connected auth={auth} sid={sid}')
+    await sio.emit('hello', (1, 2, {'hello': 'you'}), to=sid)
+
+
+@sio.event
+def disconnect(sid):
+    print('disconnected', sid)
+
+
+app = Litestar([index, hello], static_files_config=[
+    StaticFilesConfig('static', directories=['static'])])
+combined_asgi_app = socketio.ASGIApp(sio, app)
+
+
+if __name__ == '__main__':
+    uvicorn.run(combined_asgi_app, host='127.0.0.1', port=5000)