connections.py 文件源码

def __init__(self, proxy=None, secure_proxy=None,
                 retries_num=0, retry_interval=0):
        """Initialises.

        :param proxy: the url of proxy for http-connections
        :param secure_proxy: the url of proxy for https-connections
        :param retries_num: the number of allowed retries
        :param retry_interval: the minimal time between retries (in seconds)
        """
        if proxy:
            proxies = {
                "http": proxy,
                "https": secure_proxy or proxy,
            }
        else:
            proxies = None

        self.retries_num = retries_num
        self.retry_interval = retry_interval
        self.opener = urllib.build_opener(
            RetryHandler(),
            urllib.ProxyHandler(proxies)
        )