'Parses the request content into `self.data`.'

def _load_data_and_files(self):

    if (not _hasattr(self, u'_data')):
        (self._data, self._files) = self._parse()
        if self._files:
            self._full_data = self._data.copy()
            self._full_data.update(self._files)
        else:
            self._full_data = self._data
        self._request._files = self._files
