Function field_annotation_is_sequence

fastapi/_compat/shared.py:64–73

(annotation: type[Any] | None)

def field_annotation_is_sequence(annotation: type[Any] | None) -> bool:
    origin = get_origin(annotation)
    if origin is Union or origin is UnionType:
        for arg in get_args(annotation):
            if field_annotation_is_sequence(arg):
                return True
        return False
    return _annotation_is_sequence(annotation) or _annotation_is_sequence(
        get_origin(annotation)
    )


def value_is_sequence(value: Any) -> bool: