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Choices on steroids

Project description

choose
========

Choices on steroids

.. image:: https://img.shields.io/pypi/v/choose.svg
:target: https://pypi.python.org/pypi/choose

.. image:: https://img.shields.io/travis/ulamlabs/choose.svg
:target: https://travis-ci.org/ulamlabs/choose

.. image:: https://codecov.io/gh/ulamlabs/choose/branch/master/graph/badge.svg
:target: https://codecov.io/gh/ulamlabs/choose


Supported versions
================

- Python 2 and 3 support


How to install
==========

.. code-block:: bash

pip install choose


Basic usage:
===========

.. code-block:: python

>>> class Types(choose.Choices):
>>> BAR = choose.Choice('foo_bar', 'Foo Bar')
>>> BAZ = choose.Choice('foo_baz', 'Foo Baz')
>>> Types.BAR
'foo_bar'
>>> Types.BAR.text
'Foo Bar'
>>> Types.items()
(('foo_bar', 'Foo Bar'), ('foo_baz', 'Foo Baz'))
>>> Types.keys()
('foo_bar', 'foo_baz')
>>> Types.values()
('Foo Bar', 'Foo Baz')
>>> 'foo_bar' in Types
True

Extended usage:
===============

.. code-block:: python

>>> class Types2(choose.Choices):
>>> BAR = choose.Choice('foo_bar', 'Foo Bar', default=False)
>>> BAZ = choose.Choice('foo_baz', 'Foo Baz', default=False)
>>> FOO = choose.Choice('foo_foo', 'Foo Foo', default=True)
>>>
>>> @classmethod
>>> def get_default(cls):
>>> return next(
>>> (item for item in cls.keys() if item.opts.default is True),
>>> None,
>>> )
>>>
>>> Types2.BAR.opts.default
False
>>> Types2.BAR.opts.not_existing_attr is None
True
>>> 'foo_bar' == Types2.get_default()
False
>>> Types2.BAR == Types2.get_default()
False
>>> 'foo_foo' == Types2.get_default()
True
>>> Types2.FOO == Types2.get_default()
True

Usage in Django:
================

.. code-block:: python

class AModel(models.Model):
class AChoices(choose.Choices):
X = choose.Choice('x', 'X')
Y = choose.Choice('y', 'Y')

choice = models.CharField(max_length=63, choices=AChoices.items())

Project details


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