Real Python Enums for Django.
This package lets you use real Python (PEP435-style) enums with Django.
- pip install django-enumfields
from enumfields import EnumField from enum import Enum # Uses Ethan Furman's "enum34" backport class MyModel(models.Model): class Color(Enum): RED = 'r' GREEN = 'g' BLUE = 'b' color = EnumField(Color, max_length=1)
m = MyModel.objects.filter(color=MyModel.Color.RED)
EnumIntegerField works identically, but the underlying storage mechanism is an IntegerField instead of a CharField.
Normally, you just use normal PEP435-style enums, however, django-enumfields also encludes its own version of Enum with a few extra bells and whistles. Namely, the smart definition of labels which are used, for example, in admin dropdowns. By default, it will create labels by title-casing your constant names. You can provide custom labels with a nested “Labels” class.
from enumfields import EnumField, Enum # Our own Enum class class MyModel(models.Model): class Color(Enum): RED = 'r' GREEN = 'g' BLUE = 'b' class Labels: RED = 'A custom label' color = EnumField(Color, max_length=1) assert MyModel.Color.GREEN.label == 'Green' assert MyModel.Color.RED.label == 'A custom label'
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