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Python - Enum
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  Creating an enum (Python 2.4 through 3.3)

Enums have been backported from Python 3.4 to Python 2.4 through Python 3.3. You can get this the enum34 (opens new window) backport from PyPI.

pip install enum34

Creation of an enum is identical to how it works in Python 3.4+

from enum import Enum

class Color(Enum):
    red = 1
    green = 2
    blue = 3

print(Color.red)  # Color.red    
print(Color(1))  # Color.red    
print(Color['red'])  # Color.red
  Iteration

Enums are iterable:

class Color(Enum):
    red = 1
    green = 2
    blue = 3

[c for c in Color]  # [<Color.red: 1>, <Color.green: 2>, <Color.blue: 3>]

Remarks

Enums were added to Python in version 3.4 by PEP 435 (opens new window).

 

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https://develop.horje.com/learn/1434/reference

 

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