How to use Enum in Python – EyeVision

There are many types of Enum in Python

Enum/IntEnum/StrEnum(from Python 3.11)/Flag

Enum / IntEnum

from enum import Enum, IntEnum
class Color(Enum):
#class Color(IntEnum):
    RED = 1
    GREEN = 2
    BLUE = 3

IntEnum

from enum import IntEnum, auto
class Color(IntEnum):
    RED = auto()
    GREEN = auto()
    BLUE = auto()

# returns 1
print(int(Color.RED))

Flag

from enum import Flag, auto
class Color(Flag):
    RED = auto()
    GREEN = auto()
    BLUE = auto()

purple = Color.RED | Color.BLUE