keepalive.py 文件源码

def endheaders(self):
        """Indicate that the last header line has been sent to the server."""

        if self.__state == _CS_REQ_STARTED:
            self.__state = _CS_REQ_SENT
        else:
            raise CannotSendHeader()

        for header in ('Host', 'Accept-Encoding'):
            if header in self._headers:
                str = '%s: %s' % (header, self._headers[header])
                self._output(str)
                del self._headers[header]

        for header, value in self._headers.items():
            str = '%s: %s' % (header, value)
            self._output(str)

        self._send_output()