最近看了一下wsgi的规范，发现其实简单的实现web程序其实不用框架也是非常简单的，框架的底层也是用的wsgi的规范进行编写的。
看一段非常搓的代码
[root@localhost webpy]# pwd
/data/webpy
[root@localhost webpy]# cat hello.py
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import re
import sys
reload(sys)
sys.setdefaultencoding( "utf-8" )
def root(environ):
outdata = {
"msg":"root",
"status":200,
}
return outdata
def hello(environ):
outdata = {
"msg":"hello",
"status":200,
}
return outdata
urls=[
("/",root),
("/hello/",hello)
]
def application(environ, start_response):
method = environ['REQUEST_METHOD']
path = environ['PATH_INFO']
print "当前请求:",path
for pattern, name in urls:
m = re.match('^' + pattern + '$', path)
print "本次匹配:",pattern
if m:
print "匹配成功:",m.group()
view = name(environ)
start_response('%s OK'%view['status'], [('Content-Type', 'text/html')])
return view['msg']
start_response('404 OK', [('Content-Type', 'text/html')])
return "404"
application
然后配置下uwsgi
[root@localhost webpy]# cat /etc/uwsgi/uwsgiconfig.ini
[uwsgi]
socket = 127.0.0.1:8100
#app目录
base = /data/webpy/
pythonpath = %(base)
pidfile = /run/uwsgi/run.pid
memory-report = true
master = true
processes = 4
threads = 2
#入口脚本
wsgi-file = %(base)hello.py
#实例名称
callable = application
daemonize=/var/log/uwsgi.log
配置完成后启动uwsgi程序
[root@localhost webpy]# uwsgi /etc/uwsgi/uwsgiconfig.ini
[root@localhost webpy]# ps -ef|grep uwsgi
root 6970 1 0 May28 ? 00:00:24 uwsgi /etc/uwsgi/uwsgiconfig.ini
root 6971 6970 0 May28 ? 00:00:00 uwsgi /etc/uwsgi/uwsgiconfig.ini
root 6972 6970 0 May28 ? 00:00:00 uwsgi /etc/uwsgi/uwsgiconfig.ini
root 6973 6970 0 May28 ? 00:00:00 uwsgi /etc/uwsgi/uwsgiconfig.ini
root 6974 6970 0 May28 ? 00:00:00 uwsgi /etc/uwsgi/uwsgiconfig.ini
root 12427 11572 0 23:55 pts/0 00:00:00 grep --color=auto uwsgi
配置完成uwsgi程序后，需要配置nginx与uwsgi做对接
nginx 配置相对简单，就只给location的配置片段吧
location / {
include uwsgi_params;
uwsgi_pass 127.0.0.1:8100;
root html;
index index.html index.htm;
}
配置完成后启动下nginx就ok啦，然后访问吧
root
hello
