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#!/usr/bin/env python3
"""Example for aiohttp.web basic server
"""
import asyncio
import textwrap
from aiohttp.web import Application, Response, StreamResponse, run_app
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 = StreamResponse()
resp.content_length = len(binary)
resp.content_type = 'text/plain'
await resp.prepare(request)
resp.write(binary)
return resp
async def simple(request):
return Response(text="Simple answer")
async def change_body(request):
resp = Response()
resp.body = b"Body changed"
resp.content_type = 'text/plain'
return resp
async def hello(request):
resp = 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)
resp.write(answer)
await resp.write_eof()
return resp
async def init(loop):
app = Application(loop=loop)
app.router.add_get('/', intro)
app.router.add_get('/simple', simple)
app.router.add_get('/change_body', change_body)
app.router.add_get('/hello/{name}', hello)
app.router.add_get('/hello', hello)
return app
loop = asyncio.get_event_loop()
app = loop.run_until_complete(init(loop))
run_app(app)
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