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Fraction display and form fields for Django

Project description

=============================
django-fractions
=============================

.. image:: https://badge.fury.io/py/django-fractions.png
:target: https://badge.fury.io/py/django-fractions

.. image:: https://travis-ci.org/jmichalicek/django-fractions.png?branch=master
:target: https://travis-ci.org/jmichalicek/django-fractions

Fraction display and form fields for Django

Documentation
-------------

The full documentation is at https://django-fractions.readthedocs.org.

Quickstart
----------

Install django-fractions::

pip install django-fractions

Add ``djfractions`` to ``settings.INSTALLED_APPS``


Then use it in a project::

import djfractions

In templates::

{% load fractions %}
{% display_fraction 1.25 %}

In Forms::

from djfractions.forms import DecimalFractionField
from django import forms

class MyForm(forms.Form):
a_fraction = DecimalFractionField()


Features
--------

* Template tag for displaying float and Decimal values as fractions including mixed numbers
* DecimalFractionField form field which handles input such as "1/4", "1 1/2", "1 and 1/2", and converts to a
decimal.Decimal instance


TODO
____

* Read The Docs documentation
* Add unicode_fraction template tag to display the unicode fraction entity if available
* forms.FloatDecimalField to return a float rather than Decimal
* forms.SplitFractionWidget for having separate numerator and denominator form fields
* forms.SplitMixedFractionWidget for handling mixed number fractions with separate fields
* models.DecimalBackedFractionField() to store a Decimal value but return/accept it as a fraction
* models.FloatBackedFractionField() to store a Decimal value but return/accept it as a fraction
* Tags and filters to convert to Decimal and/or float



Cookiecutter Tools Used in Making This Package
----------------------------------------------

* cookiecutter
* cookiecutter-djangopackage




History
-------

master
++++++

* Added forms.FractionField which returns fractions.Fraction instances
* Refactoring of common code with new forms.FractionField
* Smarter checking for numeric types throughout the code
* forms.DecimalFractionField.to_python() handles fractions.Fraction values now
* Fixed bug handling negative numbers in quantity_to_decimal()
* Added min_value and max_value to forms.DecimalFractionField
* Made coerce_thirds, limit_denominator, and use_mixed_numbers params to DecimalFractionField
proper named parameters and not just kwargs.

0.2.1 (2015-08-06)
++++++++++++++++++

* Fixed typo in usage docs

0.2.0 (2015-08-06)
++++++++++++++++++

* display_fraction template tag output is templated so that its formatting can be changed by users
* Added new display_improper_fraction template tag to simplify the common case of wanting to only use
improper fractions with no whole numbers
* Added unicode_entity to template context for display_fraction and display_improper_fraction so that
the html entity for common fractions may be used rather than <sup> and <sub> tags
* Refactored lots of code out into smaller, reusable functions
* Added a bunch of test cases

0.1.0 (2015-08-01)
++++++++++++++++++

* First release on PyPI.

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