Source code for kqcircuits.util.count_instances

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[docs] def count_instances_in_cell(cell, pcell_class): """Returns the number of pcell instances of type `pcell_class` in cell. The instances are counted from the entire hierarchy below cell, not only direct child instances. Also pcells with type derived from `pcell_class` are counted. Args: cell: cell from which the instances are counted pcell_class: pcell class of the instances Returns: The number of instances below `cell` for which `isinstance(inst.cell.pcell_declaration(), pcell_class) == True`. """ n = 0 if isinstance(cell.pcell_declaration(), pcell_class): n += 1 for inst in cell.each_inst(): # workaround for getting the cell due to KLayout bug, see # https://www.klayout.de/forum/discussion/1191/cell-shapes-cannot-call-non-const-method-on-a-const-reference # TODO: replace by `inst_cell = inst.cell` once KLayout bug is fixed inst_cell = cell.layout().cell(inst.cell_index) n += count_instances_in_cell(inst_cell, pcell_class) return n