typish.functions._instance_of.instance_of()

Complexity

Conditions

4

Size

Total Lines	25
Code Lines	15

Duplication

Lines	25
Ratio	100 %

Importance

Changes

0

def instance_of(obj: object, *args: type) -> bool:

This code seems to be duplicated in your project.

    """
    Check whether ``obj`` is an instance of all types in ``args``, while also
    considering generics.
    :param obj: the object in subject.
    :param args: the type(s) of which ``obj`` is an instance or not.
    :return: ``True`` if ``obj`` is an instance of all types in ``args``.
    """
    from typish.classes._literal import LiteralAlias, is_literal_type
    from typish.functions._subclass_of import subclass_of
    from typish.functions._get_type import get_type

    try:
        return all(isinstance(obj, arg) for arg in args)
    except Exception:
        ...  # If the regular check didn't work, continue below.

    if args and is_literal_type(args[0]):
        alias = LiteralAlias.from_literal(args[0])
        leftovers = args[1:]
        return (isinstance(obj, alias)
                and (not leftovers or instance_of(obj, leftovers)))

    type_ = get_type(obj, use_union=True)
    return subclass_of(type_, *args)