由于我们的Web App建立在asyncio的基础上,因此用aiohttp写一个基本的app.py

import logging; logging.basicConfig(level=logging.INFO)

import asyncio, os, json, time
from datetime import datetime

from aiohttp import web

def index(request):
    return web.Response(body=b'<h1>Awesome</h1>')

@asyncio.coroutine
def init(loop):
    app = web.Application(loop=loop)
    app.router.add_route('GET', '/', index)
    srv = yield from loop.create_server(app.make_handler(), '127.0.0.1', 9000)
    logging.info('server started at http://127.0.0.1:9000...')
    return srv

loop = asyncio.get_event_loop()
loop.run_until_complete(init(loop))
loop.run_forever()

运行python app.py,Web App将在9000端口监听HTTP请求,并且对首页/进行响应:

$ python3 app.py
INFO:root:server started at http://127.0.0.1:9000...

这里我们简单地返回一个Awesome字符串,在浏览器中可以看到效果:

python 编写Web App骨架

这说明我们的Web App骨架已经搭好了,可以进一步往里面添加更多的东西。

http://www.pdfxs.com/cpgjhegfgncpcfefdfcfdjeccfeceecfefdfcfebefcfecdgcfefdgcfdjdecfecegcfefdgcfdjeecfdidd/

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