itchat的配置文件，源码：
import os, platform
# 版本及微信的url，二维码等
VERSION = '1.3.10'
BASE_URL = 'https://login.weixin.qq.com'
OS = platform.system() # Windows, Linux, Darwin
DIR = os.getcwd()
DEFAULT_QR = 'QR.png'
TIMEOUT = (10, 60)
# 代理配置
USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36'