Class _RowCollection

src/pptx/table.py:475–496

Sequence of table rows

class _RowCollection(Subshape):
    """Sequence of table rows"""

    def __init__(self, tbl: CT_Table, parent: Table):
        super(_RowCollection, self).__init__(parent)
        self._parent = parent
        self._tbl = tbl

    def __getitem__(self, idx: int) -> _Row:
        """Provides indexed access, (e.g. 'rows[0]')."""
        if idx < 0 or idx >= len(self):
            msg = "row index [%d] out of range" % idx
            raise IndexError(msg)
        return _Row(self._tbl.tr_lst[idx], self)

    def __len__(self):
        """Supports len() function (e.g. 'len(rows) == 1')."""
        return len(self._tbl.tr_lst)

    def notify_height_changed(self):
        """Called by a row when its height changes. Pass along to parent."""
        self._parent.notify_height_changed()