post.py

# -*- coding:utf8 -*-
import urllib
import curl
import pycurl
import StringIO

def initCurl():
    c=pycurl.Curl()

    c.setopt(pycurl.FOLLOWLOCATION,0)
    c.setopt(pycurl.CONNECTTIMEOUT, 10)
    c.setopt(pycurl.MAXREDIRS,1)
    c.setopt(pycurl.NOSIGNAL, 1)
    
    return c

def PostData(curl,url,data):
    try:

        head = ['Accept:*/*',
                'Accept-Charset: utf-8;q=0.7,*;q=0.3',
                'Accept-Encoding: gzip,deflate',
                'Accept-Language:zh-CN,zh;q=0.8',
                'Content-Type: application/x-www-form-urlencoded',
                'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:25.0) Gecko/20100101 Firefox/25.0']
        buf = StringIO.StringIO()
        curl.setopt(pycurl.WRITEFUNCTION, buf.write)
        curl.setopt(pycurl.POSTFIELDS,data)
        curl.setopt(pycurl.URL, url)
        curl.setopt(pycurl.HTTPHEADER,head)
        curl.perform()
        the_page = buf.getvalue()
        #print the_page
        buf.close()
        return the_page
    except pycurl.error,e:
        return 'wrong %s'%e


data="php"
host="http://localhost/post.php"
c = initCurl()
data=urllib.urlencode({'1':PostData})
html=PostData(c,host,data)
print html
# my post.php
<?php
if ($_POST["1"]){echo "ok";}
?>