name : web_srv_route_deco.py #!/usr/bin/env python3 """Example for aiohttp.web basic server with decorator definition for routes.""" import textwrap from aiohttp import web routes = web.RouteTableDef() @routes.get("/") async def intro(request): txt = textwrap.dedent( """\ Type {url}/hello/John {url}/simple or {url}/change_body in browser url bar """ ).format(url="127.0.0.1:8080") binary = txt.encode("utf8") resp = web.StreamResponse() resp.content_length = len(binary) resp.content_type = "text/plain" await resp.prepare(request) await resp.write(binary) return resp @routes.get("/simple") async def simple(request): return web.Response(text="Simple answer") @routes.get("/change_body") async def change_body(request): resp = web.Response() resp.body = b"Body changed" resp.content_type = "text/plain" return resp @routes.get("/hello") async def hello(request): resp = web.StreamResponse() name = request.match_info.get("name", "Anonymous") answer = ("Hello, " + name).encode("utf8") resp.content_length = len(answer) resp.content_type = "text/plain" await resp.prepare(request) await resp.write(answer) await resp.write_eof() return resp def init(): app = web.Application() app.router.add_routes(routes) return app web.run_app(init())