1def application(scope, receive=None, send=None): 2 assert scope['type'] == 'http' 3 4 if receive == None and send == None: 5 return app_http 6 7 else: 8 return app_http(receive, send) 9 10 11async def app_http(receive, send): 12 await send( 13 { 14 'type': 'http.response.start', 15 'status': 200, 16 'headers': [(b'content-length', b'0'),], 17 } 18 ) 19