response.py 文件源码

def _verify_content_length(self):
        # See: https://github.com/kennethreitz/requests/issues/1855
        # Basically, our http library doesn't do this for us, so we have
        # to do this ourself.
        if self._content_length is not None and \
                self._amount_read != int(self._content_length):
            raise IncompleteReadError(
                actual_bytes=self._amount_read,
                expected_bytes=int(self._content_length))