how.wtf

Enums in Python

· Thomas Taylor

In Python 3.4, Enum support was added.

How to implement an Enum

Implementing an Enum in Python is trivial.

 1from enum import Enum
 2
 3
 4class PizzaSize(Enum):
 5    SMALL = 0
 6    MEDIUM = 1
 7    LARGE = 2
 8
 9
10print(PizzaSize.SMALL) # PizzaSize.SMALL
11print(PizzaSize.SMALL.value) # 0
12print(PizzaSize.SMALL.name) # SMALL

As a shortcut, a range value may be applied:

 1from enum import Enum
 2
 3
 4class PizzaSize(Enum):
 5    SMALL, MEDIUM, LARGE = range(3)
 6
 7
 8print(PizzaSize.SMALL)  # PizzaSize.SMALL
 9print(PizzaSize.SMALL.value)  # 0
10print(PizzaSize.SMALL.name)  # SMALL

#python  

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