Opener.py 文件源码

def __init__(self, cookie_filename=None, timeout=None, **kwargs):
        self.cj = cookielib.LWPCookieJar()
        if cookie_filename is not None:
            self.cj.load(cookie_filename)
        self.cookie_processor = urllib2.HTTPCookieProcessor(self.cj)
        self.__build_opener()
        urllib2.install_opener(self.opener)

        if timeout is None:
            # self._default_timeout = socket._GLOBAL_DEFAULT_TIMEOUT
            # Set default timeout
            self._default_timeout = 5
        else:
            self._default_timeout = timeout