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Project Description

Django URL Filter provides a safe way to filter data via human-friendly URLs.

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 2.7, 3.x, pypy or pypy3
  • Django 1.8+ (there are plans to support older Django versions)
  • 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 django-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).

class UserViewSet(ModelViewSet):
    queryset = User.objects.all()
    serializer_class = UserSerializer
    filter_backends = [DjangoFilterBackend]
    filter_fields = ['username', 'email']

Alternatively filteset can be manually created and used directly to filter querysets:

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!)

History

0.2.0 (2015-09-12)

  • Added SQLAlchemy support.

  • FilterSet instances have much more useful __repr__ which shows all filters at a glance. For example:

    >>> PlaceFilterSet()
    PlaceFilterSet()
      address = Filter(form_field=CharField, lookups=ALL, default_lookup="exact", is_default=False)
      id = Filter(form_field=IntegerField, lookups=ALL, default_lookup="exact", is_default=True)
      name = Filter(form_field=CharField, lookups=ALL, default_lookup="exact", is_default=False)
      restaurant = RestaurantFilterSet()
        serves_hot_dogs = Filter(form_field=BooleanField, lookups=ALL, default_lookup="exact", is_default=False)
        serves_pizza = Filter(form_field=BooleanField, lookups=ALL, default_lookup="exact", is_default=False)
        waiter = WaiterFilterSet()
          id = Filter(form_field=IntegerField, lookups=ALL, default_lookup="exact", is_default=True)
          name = Filter(form_field=CharField, lookups=ALL, default_lookup="exact", is_default=False)
    

0.1.1 (2015-09-06)

  • Fixed installation issue where not all subpackages were installed.

0.1.0 (2015-08-30)

  • First release on PyPI.

Credits

Development Lead

Contributors

None yet. Why not be the first?

License

The MIT License (MIT)

Copyright (c) 2015, Miroslav Shubernetskiy

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
Release History

Release History

0.2.0

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.1.1

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Changelog content for this version goes here.

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0.1

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

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TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
django-url-filter-0.2.0.tar.gz (34.5 kB) Copy SHA256 Checksum SHA256 Source Sep 12, 2015

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