Function _get_wire_lists

cadquery/occ_impl/shapes.py:5194–5229

Get lists of wires for sweeping or lofting.

(s: Sequence[Shape])

def _get_wire_lists(s: Sequence[Shape]) -> list[list[Wire | Vertex]]:
    """
    Get lists of wires for sweeping or lofting.
    """

    wire_lists: list[list[Wire | Vertex]] = []

    ix_last = len(s) - 1

    for i, el in enumerate(s):
        if i == 0:

            try:
                wire_lists = [[w] for w in _get_wires(el)]
            except ValueError:
                # if no wires were detected, try vertices
                wire_lists = [[v] for v in el.Vertices()]

            # if not faces and vertices were detected return an empty list
            if not wire_lists:
                break

        elif i == ix_last:

            try:
                for wire_list, w in zip(wire_lists, _get_wires(el)):
                    wire_list.append(w)
            except ValueError:
                for wire_list, v in zip(wire_lists, el.Vertices()):
                    wire_list.append(v)

        else:
            for wire_list, w in zip(wire_lists, _get_wires(el)):
                wire_list.append(w)

    return wire_lists


def _get_wire_lists_strict(s: Sequence[Shape]) -> list[list[Wire]]: