parsers.py 文件源码

def _get_reader(self, data):
        """Return the CSV reader for the given payload source

        Returns:
            StringIO: CSV reader object if the parse was successful OR
            False if parse was unsuccessful
        """
        delimiter = self.options.get('delimiter', self.__default_delimiter)

        # TODO(ryandeivert): either subclass a current parser or add a new
        # parser to support parsing CSV data that contains a header line
        try:
            csv_data = StringIO.StringIO(data)
            reader = csv.reader(csv_data, delimiter=delimiter)
        except (ValueError, csv.Error):
            return False

        return reader