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Django-filter is a reusable Django application for allowing users to filter querysets dynamically.

Project description

Django-filter is a reusable Django application allowing users to declaratively add dynamic QuerySet filtering from URL parameters.

Full documentation on read the docs.

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Versioning and stability policy

Django-Filter is a mature and stable package. It uses a two-part CalVer versioning scheme, such as 21.1. The first number is the year. The second is the release number within that year.

On an on-going basis, Django-Filter aims to support all current Django versions, the matching current Python versions, and the latest version of Django REST Framework.

Please see:

Support for Python and Django versions will be dropped when they reach end-of-life. Support for Python versions will dropped when they reach end-of-life, even when still supported by a current version of Django.

Other breaking changes are rare. Where required, every effort will be made to apply a “Year plus two” deprecation period. For example, a change initially introduced in 23.x would offer a fallback where feasible and finally be removed in 25.1. Where fallbacks are not feasible, breaking changes without deprecation will be called out in the release notes.

Installation

Install using pip:

pip install django-filter

Then add 'django_filters' to your INSTALLED_APPS.

INSTALLED_APPS = [
    ...
    'django_filters',
]

Usage

Django-filter can be used for generating interfaces similar to the Django admin’s list_filter interface. It has an API very similar to Django’s ModelForms. For example, if you had a Product model you could have a filterset for it with the code:

import django_filters

class ProductFilter(django_filters.FilterSet):
    class Meta:
        model = Product
        fields = ['name', 'price', 'manufacturer']

And then in your view you could do:

def product_list(request):
    filter = ProductFilter(request.GET, queryset=Product.objects.all())
    return render(request, 'my_app/template.html', {'filter': filter})

Usage with Django REST Framework

Django-filter provides a custom FilterSet and filter backend for use with Django REST Framework.

To use this adjust your import to use django_filters.rest_framework.FilterSet.

from django_filters import rest_framework as filters

class ProductFilter(filters.FilterSet):
    class Meta:
        model = Product
        fields = ('category', 'in_stock')

For more details see the DRF integration docs.

Support

If you need help you can start a discussion. For commercial support, please contact Carlton Gibson via his website.

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