Table.py 文件源码

def to_transposed(self):
        """Return a transposed copy of the crosstab"""
        new_col_ids = self.row_ids[:]
        return PivotCrosstab(
            self.col_ids[:],
            new_col_ids,
            dict(
                (tuple(reversed(key)), count)
                for key, count in iteritems(self.values)
            ),
            self.header_col_id,
            self.header_col_type,
            self.header_row_id,
            self.header_row_type,
            dict([(col_id, 'continuous') for col_id in new_col_ids]),
            None,
            self.missing,
            self.header_col_id,    # TODO: check this (was self._cached_row_id).
        )

    # TODO: test.