async def application(scope, receive, send): assert scope['type'] == 'http' body = b'' while True: m = await receive() body += m.get('body', b'') if not m.get('more_body', False): break await send( { 'type': 'http.response.start', 'status': 200, 'headers': [(b'content-length', str(len(body)).encode())], } ) await send({'type': 'http.response.body', 'body': body})