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Description:

richenum 2.0.1

richenum

About
A enum library for Python.

enum
A simple enum implementation that maps a “variable” to a constant.

RichEnum
An enum implementation that offers more functionality than a basic enum, hence the
name: RichEnum. Provided functionality include specifying a canonical name and a display name.
The canonical name should be used if you need to do a lookup or reference in your code.
The display name should be used if you need to display text to a user.

OrderedRichEnum
Exactly like RichEnum but also has an index specified for each enum value. Also, iteration over
an OrderedRichEnum will be sorted (ascending) by the enum value’s index.

Links

GitHub
PyPi
Blog post about the motivation behind RichEnum

Installation
$ pip install richenum

Example Usage

enum
>>> from richenum import enum
>>> MY_ENUM = enum(FOO=1, BAR=2)
>>> MY_ENUM.FOO
1
>>> MY_ENUM.BAR
2

RichEnum
>>> from richenum import RichEnum, RichEnumValue
>>> class MyRichEnum(RichEnum):
... FOO = RichEnumValue(canonical_name="foo", display_name="Foo")
... BAR = RichEnumValue(canonical_name="bar", display_name="Bar")
...
>>> MyRichEnum.FOO
RichEnumValue - canonical_name: 'foo' display_name: 'Foo'
>>> MyRichEnum.from_canonical("foo")
RichEnumValue - canonical_name: 'foo' display_name: 'Foo'

OrderedRichEnum
>>> from richenum import OrderedRichEnum, OrderedRichEnumValue
>>> class MyOrderedRichEnum(OrderedRichEnum):
... FOO = OrderedRichEnumValue(index=1, canonical_name="foo", display_name="Foo")
... BAR = OrderedRichEnumValue(index=2, canonical_name="bar", display_name="Bar")
...
>>> MyOrderedRichEnum.FOO
OrderedRichEnumValue - idx: 1 canonical_name: 'foo' display_name: 'Foo'
>>> MyOrderedRichEnum.from_canonical("foo")
OrderedRichEnumValue - idx: 1 canonical_name: 'foo' display_name: 'Foo'
>>> MyOrderedRichEnum.from_index(1)
OrderedRichEnumValue - idx: 1 canonical_name: 'foo' display_name: 'Foo'

Related Packages

django-richenum
Makes RichEnum and OrderedRichEnum available in as model fields and form fields in Django.

GitHub

PyPi

enum
Starting with Python 3.4, there is a standard library for enumerations.
This class has a similar API, but is not directly compatible with that
class.

Contributing

Fork the repo from GitHub.
Make your changes.
Add unittests for your changes.
Run pep8, pyflakes, and pylint to make sure your changes follow the Python style guide and doesn’t have any errors.
Add yourself to the AUTHORS file (in alphabetical order).
Send a pull request from your fork to the main repo.

Changelog

2.0.1 (2024-06-06)

Fix README.rst

2.0.0 (2024-06-04)

Remove six
Remove python 3.7 support
Add python 3.9 and 3.10 support
Remove tox.ini

1.2.1 (2016-09-16)

EnumLookupError class now inherits from built-in LookupError.

1.2.0 (2016-04-15)

added simple LookupError members that are thrown when
RichEnum.lookup is called for a nonexistent attr/val pair.
Users can choose to catch either the specific LookupError or
continue to catch EnumLookupError.

1.1.0 (2014-04-17)

support for Python 3 and PyPy

1.0.4 (2013-12-03)

Better unicode handling in __str__, __unicode__, and
__repr__ magic methods.

1.0.3 (2013-12-03)

Stop throwing warnings.

1.0.2 (2013-11-05)

Suppress warnings from mismatched type comparisons when generated
in RichEnum.lookup.

1.0.1 (2013-09-20)

Raise warnings when comparing enum values to other types, but not
when checking membership or comparing to None.

1.0.0 (2013-08-16)

Initial public release.

Developed and maintained by Hearsay Social, Inc..

Contributors

Adam DePue
Aron radics
Akshay Shah
Dale Hui
Robert MacCloy
Sam Vilain
Wyatt Paul