connection.py 文件源码

def _http_headers(self):
        """Return dictionary of http headers necessary for making an http
        connection to the endpoint of this Connection.

        :return: Dictionary of headers

        """
        if not self.usertag:
            return {}

        creds = u'{}:{}'.format(
            self.usertag,
            self.password or ''
        )
        token = base64.b64encode(creds.encode())
        return {
            'Authorization': 'Basic {}'.format(token.decode())
        }