How can I represent an 'Enum' in Python? - Stack Overflow
Aug 31, 2008 · The typesafe enum pattern which was used in Java pre-JDK 5 has a number of advantages. Much like in Alexandru's answer, you create a class and class level fields are the enum values; however, the enum values are instances of the class rather than small integers.
How to get all values from python enum class? - Stack Overflow
Apr 8, 2015 · You can have a SuperEnum like:. from enum import Enum class SuperEnum(Enum): @classmethod def to_dict(cls): """Returns a dictionary representation of the enum.""" return {e.name: e.value for e in cls} @classmethod def keys(cls): """Returns a list of all the enum keys.""" return cls._member_names_ @classmethod def values(cls): """Returns a …
Python, what's the Enum type good for? - Stack Overflow
Jun 3, 2016 · In Python, it has been common to use a bare class as follows and refer to this as an enum: class Colors: blue = 1 green = 2 red = 3 This can be used in an API to create a canonical representation of the value, e.g.:
String-based enum in Python - Stack Overflow
Oct 29, 2019 · If associated string values are valid Python names then you can get names of enum members using .name property like this: from enum import Enum class MyEnum(Enum): state1=0 state2=1 print (MyEnum.state1.name) # 'state1' a = MyEnum.state1 print(a.name) # 'state1' If associated string values are arbitrary strings then you can do this:
python - Getting value of enum on string conversion - Stack …
from enum import IntEnum class D(IntEnum): x = 1 y = 2 print(D.x) In this way you can compare values of your enum against integers without explicitly calling .value: >>> D.x == 1 True For more information you can check this part of the Python docs: Enum comparisons
How to extend Python Enum? - Stack Overflow
Is it possible to extend classes created using the new Enum functionality in Python 3.4? How? Simple subclassing doesn't appear to work. An example like. from enum import Enum class EventStatus(Enum): success = 0 failure = 1 class BookingStatus(EventStatus): duplicate = …
python - Get enumeration name by value - Stack Overflow
Aug 2, 2016 · Find enum value by enum name in string - Python. 383. Convert string to Enum in Python. Related. 2389.
How do I test if int value exists in Python Enum without using try ...
Apr 26, 2017 · Using the Python Enum class, is there a way to test if an Enum contains a specific int value without using try/catch? With the following class: from enum import Enum class Fruit(Enum): Apple = 4 Orange = 5 Pear = 6 How can I test for the value 6 (returning true), or the value 7 (returning false)?
python - Type annotations for Enum attribute - Stack Overflow
Oct 3, 2018 · from enum import Enum from typing import Literal class Color(Enum): RED = '1' BLUE = '2' GREEN = '3' def some_function(some_color: Literal[Color.RED, Color.BLUE]) -> None: pass The second option it's fully correct solution provided by @ibarrond from the post above with just a class type hint.
How to compare Enums in Python? - Stack Overflow
Sep 1, 2016 · Since Python 3.4, the Enum class exists. I am writing a program, where some constants have a specific order and I wonder which way is the most pythonic to compare them: class Information(Enum): ValueOnly = 0 FirstDerivative = 1 SecondDerivative = 2