transport.py 文件源码

def _curl(self, payload, computer_id, exchange_token, message_api):
        # There are a few "if _PY3" checks below, because for Python 3 we
        # want to convert a number of values from bytes to string, before
        # assigning them to the headers.
        if _PY3 and isinstance(message_api, bytes):
            message_api = message_api.decode("ascii")
        headers = {"X-Message-API": message_api,
                   "User-Agent": "landscape-client/%s" % VERSION,
                   "Content-Type": "application/octet-stream"}
        if computer_id:
            if _PY3 and isinstance(computer_id, bytes):
                computer_id = computer_id.decode("ascii")
            headers["X-Computer-ID"] = computer_id
        if exchange_token:
            if _PY3 and isinstance(exchange_token, bytes):
                exchange_token = exchange_token.decode("ascii")
            headers["X-Exchange-Token"] = str(exchange_token)
        curl = pycurl.Curl()
        return (curl, fetch(self._url, post=True, data=payload,
                            headers=headers, cainfo=self._pubkey, curl=curl))