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Fraction display and form fields for Django

Project description

https://badge.fury.io/py/django-fractions.png https://travis-ci.org/jmichalicek/django-fractions.png?branch=master

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

  • 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

Cookiecutter Tools Used in Making This Package

  • cookiecutter
  • cookiecutter-djangopackage

History

0.3.2 (2015-08-28)

  • Fixed boolean logic for when to coerce values to thirds in in forms.DecimalFractionField and get_fraction_parts()

0.3.1 (2015-08-12)

  • HISTORY.rst typo fixes
  • pypi release version fix

0.3.0 (2015-08-12)

  • 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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