wenshin

def gen_user_psw(auth):
    from urllib import quote
    returned = ''
    if auth:
        # urllib.quote 转义 @:/ 等特殊字符
        # 第二个参数表示转义任何字符，默认会不转义 / 字符
        user = quote(auth['username'], '')
        psw = quote(auth['password'], '')
        returned = '%s:%s@' % (user, psw)
    return returned