Name | dj-url-filter JSON |
Version |
0.4.4
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Summary | Django URL Filter provides a safe way to filter data via human-friendly URLs. |
upload_time | 2023-01-12 08:30:27 |
maintainer | |
docs_url | None |
author | Hat Dao |
requires_python | >=3.9,<4.0 |
license | MIT |
keywords |
django
url-filter
drf
|
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=================
Django URL Filter
=================
.. image:: https://badge.fury.io/py/dj-url-filter.svg
:target: http://badge.fury.io/py/dj-url-filter
.. image:: https://readthedocs.org/projects/django-url-filter/badge/?version=latest
:target: http://django-url-filter.readthedocs.io/en/latest/?badge=latest
.. image:: https://codecov.io/gh/enjoy2000/django-url-filter/branch/master/graph/badge.svg
:target: https://codecov.io/gh/enjoy2000/django-url-filter
Django URL Filter provides a safe way to filter data via human-friendly URLs.
* Free software: MIT license
* GitHub: https://github.com/enjoy2000/django-url-filter
* Documentation: http://django-url-filter.readthedocs.io/
Notes
-----
This is a forked version of https://github.com//miki725/django-url-filter to add Django 4 support and my other projects.
Overview
--------
The main goal of Django URL Filter is to provide an easy URL interface
for filtering data. It allows the user to safely filter by model
attributes and also allows to specify the lookup type for each filter
(very much like Django's filtering system in ORM).
For example the following will retrieve all items where the id is
``5`` and title contains ``"foo"``::
example.com/listview/?id=5&title__contains=foo
In addition to basic lookup types, Django URL Filter allows to
use more sophisticated lookups such as ``in`` or ``year``.
For example::
example.com/listview/?id__in=1,2,3&created__year=2013
Requirements
------------
* Python 3.9+
* Django 3.4+
* Django REST Framework 2 or 3 (only if you want to use DRF integration)
Installing
----------
Easiest way to install this library is by using ``pip``::
$ pip install dj-url-filter
Usage Example
-------------
To make example short, it demonstrates Django URL Filter integration
with Django REST Framework but it can be used without DRF (see below).
::
from url_filter.integrations.drf import DjangoFilterBackend
class UserViewSet(ModelViewSet):
queryset = User.objects.all()
serializer_class = UserSerializer
filter_backends = [DjangoFilterBackend]
filter_fields = ['username', 'email']
Alternatively filterset can be manually created and used directly
to filter querysets::
from django.http import QueryDict
from url_filter.filtersets import ModelFilterSet
class UserFilterSet(ModelFilterSet):
class Meta(object):
model = User
query = QueryDict('email__contains=gmail&joined__gt=2015-01-01')
fs = UserFilterSet(data=query, queryset=User.objects.all())
filtered_users = fs.filter()
Above will automatically allow the use of all of the Django URL Filter features.
Some possibilities::
# get user with id 5
example.com/users/?id=5
# get user with id either 5, 10 or 15
example.com/users/?id__in=5,10,15
# get user with id between 5 and 10
example.com/users/?id__range=5,10
# get user with username "foo"
example.com/users/?username=foo
# get user with username containing case insensitive "foo"
example.com/users/?username__icontains=foo
# get user where username does NOT contain "foo"
example.com/users/?username__icontains!=foo
# get user who joined in 2015 as per user profile
example.com/users/?profile__joined__year=2015
# get user who joined in between 2010 and 2015 as per user profile
example.com/users/?profile__joined__range=2010-01-01,2015-12-31
# get user who joined in after 2010 as per user profile
example.com/users/?profile__joined__gt=2010-01-01
Features
--------
* **Human-friendly URLs**
Filter querystring format looks
very similar to syntax for filtering in Django ORM.
Even negated filters are supported! Some examples::
example.com/users/?email__contains=gmail&joined__gt=2015-01-01
example.com/users/?email__contains!=gmail # note !
* **Related models**
Support related fields so that filtering can be applied to related
models. For example::
example.com/users/?profile__nickname=foo
* **Decoupled filtering**
How URLs are parsed and how data is filtered is decoupled.
This allows the actual filtering logic to be decoupled from Django
hence filtering is possible not only with Django ORM QuerySet but
any set of data can be filtered (e.g. SQLAlchemy query objects)
assuming corresponding filtering backend is implemented.
* **Usage-agnostic**
This library decouples filtering from any particular usage-pattern.
It implements all the basic building blocks for creating
filtersets but it does not assume how they will be used.
To make the library easy to use, it ships with some integrations
with common usage patterns like integration with Django REST Framework.
This means that its easy to use in custom applications with custom
requirements (which is probably most of the time!)
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