Function _get_one

cadquery/occ_impl/shapes.py:5093–5121

Get one shape or raise an error.

(s: Shape, ts: Shapes | tuple[Shapes, ...])

def _get_one(s: Shape, ts: Shapes | tuple[Shapes, ...]) -> Shape:
    """
    Get one shape or raise an error.
    """

    # convert input into tuple
    if isinstance(ts, tuple):
        types = ts
    else:
        types = (ts,)

    # validate the underlying shape, compounds are unpacked
    t = s.ShapeType()

    if t in types:
        rv = s
    elif t == "Compound":
        for el in s:
            if el.ShapeType() in ts:
                rv = el
                break
            else:
                raise ValueError(
                    f"Required type(s): {types}, encountered {el.ShapeType()}"
                )
    else:
        raise ValueError(f"Required type(s): {types}; encountered {t}")

    return rv


def _get_one_wire(s: Shape) -> Wire: