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Django friendly, iterable Enum type with labels.

Project description

labeled-enums
=============

A Django-friendly iterable Enum type with labels.

Example
-------

.. code-block:: python

>>> from django.utils.translation import gettext_lazy as _
>>> from lenum import LabeledEnum
>>> class STATE_CHOICES(LabeledEnum):
... NEW = 0
... IN_PROGRESS = 1
... REVIEW = 2, _('In Review')
...
>>>
>>> STATE_CHOICES.NEW
0
>>> STATE_CHOICES.IN_PROGRESS
1
>>> STATE_CHOICES[2]
'In Review'
>>> list(STATE_CHOICES)
[(0, 'New'), (1, 'In Progress'), (2, 'In Review')]

>>> STATE_CHOICES.for_label('In Progress')
1
```

>>> STATE_CHOICES.names
('NEW', 'IN_PROGRESS', 'REVIEW')

Usage in Django:

.. code-block:: python

class STATUS(LabeledEnum):
CLOSED = 0
NEW = 1
PENDING = 2, 'Process Pending'
FAILED = -1, 'Processing Failed'

class MyModel(models.Model):
# django migrations can have trouble resolving imports if we define the
# class within the class, so we bind this here for convenience.
STATUS = STATUS

status = models.IntegerField(choices=STATUS, default=STATUS.NEW)

Want translations?

.. code-block:: python
from django.utils.translation import gettext_lazy as _

class STATUS(LabeledEnum, label_wrapper=_):
CLOSED = 0
NEW = 1
PENDING = 2, 'Process Pending'
FAILED = -1, 'Processing Failed'

All label values (including auto-generated ones) will have `label_wrapper`
applied first.

Installation
------------

.. code-block::

pip install labeled-enum

Project details


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