Enum with Enum elements in Python3

I'm setting an enumeration "A" of possible commands in my Python code. I would also create another enumeration "B" listing some specific commands "A".

Thus I tried :

class all_commands(IntEnum):
    SET_ELEMENT_A = 0x00000001
    GET_ELEMENT_A = 0x00000007
    GET_ELEMENT_B = 0x0000000E
    SET_ELEMENT_C = 0x00000010
    GET_ELEMENT_C = 0x00000011
    GET_ELEMENT_D = 0x00000015

class getter_commands(IntEnum):
    all_commands.GET_ELEMENT_A
    all_commands.GET_ELEMENT_B
    all_commands.GET_ELEMENT_C
    all_commands.GET_ELEMENT_D

This seems correct to me, however when I try

all_commands.GET_ELEMENT_A in getter_commands

I get a False result value.

Is that a normal behaviour ? Or is my code wrong ?

I tried using a list, which works with all_commands.GET_ELEMENT_A but I think an Enum type would be better

getter_commands = [all_commands.GET_ELEMENT_A,
                all_commands.GET_ELEMENT_B,
                all_commands.GET_ELEMENT_C,
                all_commands.GET_ELEMENT_D]

Thanks for your help !

Enum is not the solution to you problem. What you need is something like an EnumSet which would allow iteration, containment checks, and attribute access. So something that is created like:

getter_commands =  EnumSet(
    all_commands.GET_ELEMENT_A,
    all_commands.GET_ELEMENT_B,
    all_commands.GET_ELEMENT_C,
    all_commands.GET_ELEMENT_D,
    )

and with behavior:

>>> list(getter_commands)
[all_commands.GET_ELEMENT_A, all_commands.GET_ELEMENT_B, all_commands.GET_ELEMENT_C, all_commands.GET_ELEMENT_D]

>>> getter_commands.GET_ELEMENT_C
<all_commands.GET_ELEMENT_C: 16>

>>> all_commands.GET_ELEMENT_D in getter_commands
True

>> all_commands.SET_ELEMENT_A in getter_commands
False

Such an object could look like:

class EnumSet:

    def __init__(self, *enum_members):
        self.__dict__.update({m._name: m for m in enum_members})

    __iter__ = self.__dict__.values