How to use the pandapower.auxiliary.get_indices function in pandapower

INPUT:
      **net** - pandapower network

      **bus_lookup** (dict) - the keys are the old bus indices, the values the new bus indices

    OPTIONAL:
      **partial_lookup** (bool, default False) - flag if bus_lookup is only part of the bus indices
    """
    if partial_lookup:
        full_bus_lookup = copy.deepcopy(bus_lookup)
        full_bus_lookup.update({b: b for b in net.bus.index if b not in bus_lookup.keys()})
        bus_lookup = full_bus_lookup

    net.bus.index = get_indices(net.bus.index, bus_lookup)
    net.res_bus.index = get_indices(net.res_bus.index, bus_lookup)

    for element, value in element_bus_tuples():
        net[element][value] = get_indices(net[element][value], bus_lookup)
    net["bus_geodata"].set_index(get_indices(net["bus_geodata"].index, bus_lookup), inplace=True)
    bb_switches = net.switch[net.switch.et == "b"]
    net.switch.loc[bb_switches.index, "element"] = get_indices(bb_switches.element, bus_lookup)
    bus_meas = net.measurement.element_type == "bus"
    net.measurement.loc[bus_meas, "element"] = get_indices(net.measurement.loc[bus_meas, "element"],
                                                           bus_lookup)
    side_meas = pd.to_numeric(net.measurement.side, errors="coerce").notnull()
    net.measurement.loc[side_meas, "side"] = get_indices(net.measurement.loc[side_meas, "side"],
                                                         bus_lookup)
    return bus_lookup

OPTIONAL:
      **partial_lookup** (bool, default False) - flag if bus_lookup is only part of the bus indices
    """
    if partial_lookup:
        full_bus_lookup = copy.deepcopy(bus_lookup)
        full_bus_lookup.update({b: b for b in net.bus.index if b not in bus_lookup.keys()})
        bus_lookup = full_bus_lookup

    net.bus.index = get_indices(net.bus.index, bus_lookup)
    net.res_bus.index = get_indices(net.res_bus.index, bus_lookup)

    for element, value in element_bus_tuples():
        net[element][value] = get_indices(net[element][value], bus_lookup)
    net["bus_geodata"].set_index(get_indices(net["bus_geodata"].index, bus_lookup), inplace=True)
    bb_switches = net.switch[net.switch.et == "b"]
    net.switch.loc[bb_switches.index, "element"] = get_indices(bb_switches.element, bus_lookup)
    bus_meas = net.measurement.element_type == "bus"
    net.measurement.loc[bus_meas, "element"] = get_indices(net.measurement.loc[bus_meas, "element"],
                                                           bus_lookup)
    side_meas = pd.to_numeric(net.measurement.side, errors="coerce").notnull()
    net.measurement.loc[side_meas, "side"] = get_indices(net.measurement.loc[side_meas, "side"],
                                                         bus_lookup)
    return bus_lookup

**bus_lookup** (dict) - the keys are the old bus indices, the values the new bus indices

    OPTIONAL:
      **partial_lookup** (bool, default False) - flag if bus_lookup is only part of the bus indices
    """
    if partial_lookup:
        full_bus_lookup = copy.deepcopy(bus_lookup)
        full_bus_lookup.update({b: b for b in net.bus.index if b not in bus_lookup.keys()})
        bus_lookup = full_bus_lookup

    net.bus.index = get_indices(net.bus.index, bus_lookup)
    net.res_bus.index = get_indices(net.res_bus.index, bus_lookup)

    for element, value in element_bus_tuples():
        net[element][value] = get_indices(net[element][value], bus_lookup)
    net["bus_geodata"].set_index(get_indices(net["bus_geodata"].index, bus_lookup), inplace=True)
    bb_switches = net.switch[net.switch.et == "b"]
    net.switch.loc[bb_switches.index, "element"] = get_indices(bb_switches.element, bus_lookup)
    bus_meas = net.measurement.element_type == "bus"
    net.measurement.loc[bus_meas, "element"] = get_indices(net.measurement.loc[bus_meas, "element"],
                                                           bus_lookup)
    side_meas = pd.to_numeric(net.measurement.side, errors="coerce").notnull()
    net.measurement.loc[side_meas, "side"] = get_indices(net.measurement.loc[side_meas, "side"],
                                                         bus_lookup)
    return bus_lookup

"""
    if partial_lookup:
        full_bus_lookup = copy.deepcopy(bus_lookup)
        full_bus_lookup.update({b: b for b in net.bus.index if b not in bus_lookup.keys()})
        bus_lookup = full_bus_lookup

    net.bus.index = get_indices(net.bus.index, bus_lookup)
    net.res_bus.index = get_indices(net.res_bus.index, bus_lookup)

    for element, value in element_bus_tuples():
        net[element][value] = get_indices(net[element][value], bus_lookup)
    net["bus_geodata"].set_index(get_indices(net["bus_geodata"].index, bus_lookup), inplace=True)
    bb_switches = net.switch[net.switch.et == "b"]
    net.switch.loc[bb_switches.index, "element"] = get_indices(bb_switches.element, bus_lookup)
    bus_meas = net.measurement.element_type == "bus"
    net.measurement.loc[bus_meas, "element"] = get_indices(net.measurement.loc[bus_meas, "element"],
                                                           bus_lookup)
    side_meas = pd.to_numeric(net.measurement.side, errors="coerce").notnull()
    net.measurement.loc[side_meas, "side"] = get_indices(net.measurement.loc[side_meas, "side"],
                                                         bus_lookup)
    return bus_lookup

if element == "bus":
        partial = len(new_indices) < net[element].shape[0]
        reindex_buses(net, lookup, partial_lookup=partial)
        return

    # --- reindex
    net[element]["index"] = net[element].index
    net[element].loc[old_indices, "index"] = get_indices(old_indices, lookup)
    net[element].set_index("index", inplace=True)

    # --- adapt measurement link
    if element in ["line", "trafo", "trafo3w"]:
        affected = net.measurement[(net.measurement.element_type == element) &
                                   (net.measurement.element.isin(old_indices))]
        if len(affected):
            net.measurement.loc[affected.index, "element"] = get_indices(affected.element, lookup)

    # --- adapt switch link
    if element in ["line", "trafo"]:
        affected = net.switch[(net.switch.et == element[0]) &
                              (net.switch.element.isin(old_indices))]
        if len(affected):
            net.switch.loc[affected.index, "element"] = get_indices(affected.element, lookup)

    # --- adapt line_geodata index
    if element == "line" and "line_geodata" in net and net["line_geodata"].shape[0]:
        net["line_geodata"]["index"] = net["line_geodata"].index
        net["line_geodata"].loc[old_indices, "index"] = get_indices(old_indices, lookup)
        net["line_geodata"].set_index("index", inplace=True)