Python http.client 模块，HTTPS_PORT 实例源码

def __init__(self, uri, timeout=None, ssl_context_factory=None):
        """Initialize a HTTP Socket.

        @param uri(str)    The http_scheme:://host:port/path to connect to.
        @param timeout   timeout in ms
        """
        parsed = urllib.parse.urlparse(uri)
        self.scheme = parsed.scheme
        assert self.scheme in ('http', 'https')
        if self.scheme == 'http':
            self.port = parsed.port or http_client.HTTP_PORT
        elif self.scheme == 'https':
            self.port = parsed.port or http_client.HTTPS_PORT
        self.host = parsed.hostname
        self.path = parsed.path
        if parsed.query:
            self.path += '?%s' % parsed.query
        self.__wbuf = BytesIO()
        self.__http = None
        self.__custom_headers = None
        self.__timeout = None
        if timeout:
            self.setTimeout(timeout)
        self._ssl_context_factory = ssl_context_factory