转载注明原文地址：http://blog.csdn.net/btyh17mxy/article/details/25207889

只写模拟登陆的方式获取微信从信息和头像库列表公共平台， - 相关后，功能将继续增加。github地址https://github.com/btyh17mxy/wxwall

#!/usr/bin/env python
# coding: UTF-8
import json
import hashlib
import re
import random
import json
import requests
import logging
DEBUG_LEVEL = logging.DEBUG
try:
    import colorizing_stream_handler
    root = logging.getLogger()
    root.setLevel(DEBUG_LEVEL)
    root.addHandler(colorizing_stream_handler.ColorizingStreamHandler())
except Exception, e:
    print 'can not import colorizing_stream_handler, using logging.StreamHandler()'
    root = logging.getLogger()
    root.setLevel(DEBUG_LEVEL)
    root.addHandler(logging.StreamHandler())



'''base exception class.
'''
class WeixinPublicError(Exception):
    pass



'''raise when cookies expired.
'''
class WeixinNeedLoginError(WeixinPublicError):
    pass



'''rasie when unenable to login.
'''
class WeixinLoginError(WeixinPublicError):
    pass



class WeixinPublic(object):
    
    def __init__(self, account, pwd, token = None, cookies = None, ifencodepwd = False):
        self.account = account
        if ifencodepwd:
            self.pwd = pwd 
        else:
            self.pwd = hashlib.md5(pwd).hexdigest()
        self.wx_cookies = cookies
        self.lastmsgid = 0 
        self.token = token 

        if self.token == None or self.wx_cookies == None:
            self.token = ''
            self.wx_cookies = ''
            self.login()

    '''login to weichat, get token and cookies.

    Raise:
        WeixinLoginError, when can not get token from respond.
    '''
    def login(self):
        url = 'https://mp.weixin.qq.com/cgi-bin/login?lang=zh_CN'
        payload = {
                'username' : self.account,
                'imgcode' : '',
                'f' : 'json',
                'pwd' : self.pwd,
                }
        headers = {
                'x-requested-with' : 'XMLHttpRequest',
                'referer' : 'https://mp.weixin.qq.com/cgi-bin/loginpage?t=wxm2-login&lang=zh_CN',
                }

        r = requests.post(url, data = payload, headers = headers)
        
        logging.info('------login------')
        logging.debug("respond:\t%s"%r.text)

        s = re.search(r'token=(\d+)', r.text)
        if not s:
            logging.error('Login Error!!!')
            raise Exception("Login error.")
        self.token = int(s.group(1))
        logging.debug('token:\t%d'%self.token)
        
        self.wx_cookies = ''
        for cookie in r.cookies:
            self.wx_cookies += cookie.name + '=' + cookie.value + ';'
        logging.debug('cookies:\t%s'%self.wx_cookies)
        logging.info('------end login------')

    '''get message list.

    raise:
        WeixinNeedLoginError, when need re-login.

    returns:
        messages in dict.
    '''
    def get_msg_list(self):
        logging.info('------get_msg_list------')
        url = 'https://mp.weixin.qq.com/cgi-bin/message?t=message/list&token=%s&count=20&day=7'%self.token
        payload = {
                't':'message/list',
                'token':self.token,
                'count':20,
                'day':7,
                }
        headers = {
                'x-requested-with' : 'XMLHttpRequest',
                'referer' : 'https://mp.weixin.qq.com/cgi-bin/loginpage?t=wxm2-login&lang=zh_CN',
                'cookie' : self.wx_cookies,
                }

        r = requests.get(url, data = payload, headers = headers)

        c = "".join(r.text.split())
        s =  re.search(r'list:\((.*)\).msg_item', c)
        if s == None:
            logging.error('need re-login')
            raise WeixinNeedLoginError('need re-login')
        else:
            msg_list =  s.group(1)
        logging.debug('msg_list:\t%s'%msg_list)
        return msg_list
        logging.info('------end get_msg_list------')

    '''get user icon.

    Args:
        fakeid.
        uri, local uri to store this img.
    '''
    def get_user_icon(self, fakeid = 1155750780, uri = ''):
        logging.info('------get_user_icon------')
        url = "https://mp.weixin.qq.com/misc/getheadimg"
        payload = {
                'token':self.token,
                'fakeid':fakeid,
                }
        headers = {
                'Cookie':self.wx_cookies,
                }
        
        r = requests.get(url, params = payload, headers = headers)
        respond_headers = r.headers 
        if 'content-type' in respond_headers.keys() and not respond_headers['content-type'] == 'image/jpeg':
            logging.error('download user icon error, need re-login.')
            raise WeixinNeedLoginError('download user icon error, need re-login.')

        if uri == '':
            f = open('%d.jpg'%(fakeid),'wb+')
        else:
            f = open('%s/%d.jpg'%(uri, fakeid),'wb+')
        f.write(r.content)
        f.close()
        logging.info('------end get_user_icon------')


if __name__ == '__main__':
    weixin = WeixinPublic("微信公众平台账户名","password")
    weixin.get_msg_list()
    weixin.get_user_icon()

这里加入一个測试连接http://mushapi.sinaapp.com/new-blog-online.html