from enum import Enum


ALL = "all"


class ExtEnum(Enum):
    @classmethod
    def by_name(cls, name):
        return next(i for i in cls if i.name == name)

    @classmethod
    def values(cls, with_all: bool = False):
        values = [i.value for i in cls]
        if with_all:
            values.append(ALL)
        return values


def extend_enum(*inherit_enum):
    """Extend enum with exiting ones. Supports numerous inheritance
    Sensitive to inheritance order (for the similar names the value be the last one appeared).
    """
    def wrapper(add_enum):
        _inherit = []
        for i in inherit_enum:
            for v in list(i):
                _inherit.append(v)
        return ExtEnum(add_enum.__name__, {i.name: i.value for i in (_inherit + list(add_enum))})

    return wrapper