data_container.py 文件源码

def to_pandas_dataframe(self):
        '''
        Convert self to pandas.DataFrame if all columns are primitive types.
        See more at XSeries.to_pandas_series
        :return:
        '''
        data_types = self.get_data_types()
        is_all_columns_are_primitive = all(
            _is_class_a_primitive(dt)
            for dt in data_types
        )
        if is_all_columns_are_primitive:
            self.__class__ = pd.DataFrame
        else:
            raise ValueError('Unable to cast to pd.DataFrame. {} is not all primitives.'.format(self.data_types))
        return self