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#!/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())