'Return the content body of the request, as a stream.'

def _load_stream(self):

    meta = self._request.META
    try:
        content_length = int(meta.get(u'CONTENT_LENGTH', meta.get(u'HTTP_CONTENT_LENGTH', 0)))
    except (ValueError, TypeError):
        content_length = 0
    if (content_length == 0):
        self._stream = None
    elif (not self._request._read_started):
        self._stream = self._request
    else:
        self._stream = six.BytesIO(self.body)
