client.py 文件源码

def __init__(self, host, port=None, key_file=None, cert_file=None,
                     strict=_strict_sentinel, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
                     source_address=None, **_3to2kwargs):
            if 'check_hostname' in _3to2kwargs: check_hostname = _3to2kwargs['check_hostname']; del _3to2kwargs['check_hostname']
            else: check_hostname = None
            if 'context' in _3to2kwargs: context = _3to2kwargs['context']; del _3to2kwargs['context']
            else: context = None
            super(HTTPSConnection, self).__init__(host, port, strict, timeout,
                                                  source_address)
            self.key_file = key_file
            self.cert_file = cert_file
            if context is None:
                # Some reasonable defaults
                context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
                context.options |= ssl.OP_NO_SSLv2
            will_verify = context.verify_mode != ssl.CERT_NONE
            if check_hostname is None:
                check_hostname = will_verify
            elif check_hostname and not will_verify:
                raise ValueError("check_hostname needs a SSL context with "
                                 "either CERT_OPTIONAL or CERT_REQUIRED")
            if key_file or cert_file:
                context.load_cert_chain(cert_file, key_file)
            self._context = context
            self._check_hostname = check_hostname