Django multiple select field
Project description
django-multiselectfield
A new model field and form field. With this you can get a multiple select from a choices. Stores to the database as a CharField of comma-separated values.
This egg is inspired by this snippet.
Supported Python versions: 2.7, 3.4+
Supported Django versions: 1.4-2.0+
Installation
Install with pip
$ pip install django-multiselectfield
Configure your models.py
from multiselectfield import MultiSelectField
# ...
MY_CHOICES = (('item_key1', 'Item title 1.1'),
('item_key2', 'Item title 1.2'),
('item_key3', 'Item title 1.3'),
('item_key4', 'Item title 1.4'),
('item_key5', 'Item title 1.5'))
MY_CHOICES2 = ((1, 'Item title 2.1'),
(2, 'Item title 2.2'),
(3, 'Item title 2.3'),
(4, 'Item title 2.4'),
(5, 'Item title 2.5'))
class MyModel(models.Model):
# .....
my_field = MultiSelectField(choices=MY_CHOICES)
my_field2 = MultiSelectField(choices=MY_CHOICES2,
max_choices=3,
max_length=3)
In your settings.py
Only you need it, if you want the translation of django-multiselectfield
INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.admin',
#.....................#
'multiselectfield',
)
Customizing templates
It is possible to customize the HTML of this widget in your form template. To do so, you will need to loop through form.{field}.field.choices. Here is an example that displays the field label underneath/after the checkbox for a MultiSelectField called providers:
{% for value, text in form.providers.field.choices %}
<div class="ui slider checkbox">
<input id="id_providers_{{ forloop.counter0 }}" name="{{ form.providers.name }}" type="checkbox" value="{{ value }}"{% if value in checked_providers %} checked="checked"{% endif %}>
<label>{{ text }}</label>
</div>
{% endfor %}
Django REST Framework
Django REST Framework comes with a MultipleChoiceField that works perfectly with this:
from rest_framework import fields, serializers
from myapp.models import MY_CHOICES, MY_CHOICES2
class MyModelSerializer(serializers.HyperlinkedModelSerializer):
# ...
my_field = fields.MultipleChoiceField(choices=MY_CHOICES)
my_field2 = fields.MultipleChoiceField(choices=MY_CHOICES2)
# ...
Known Bugs and Limitations
All tests pass on Django 1.4, 1.5, and 1.8+, so if you can, use a modern version of Django. However, if you must use Django 1.6 or 1.7 there are two known issues you will need to be aware of:
Named groups do not render properly in Django 1.6. The workaround is to manually render the field in your form or use a custom widget. If your workaround is suitably generic, please submit a pull request with it.
Only in Django 1.6 and 1.7, due to Django bug #9619, passing a MultiSelectField to values() or values_list() will return the database representation of the field (a string of comma-separated values). The workaround is to manually call .split(',') on the result.
The Django bug was introduced in Django 1.6 and is fixed in Django 1.8 and onward, so values() and values_list() return a vanilla Python list of values for Django <= 1.5 and Django >= 1.8.
See issue #40 for discussion about this bug.
Development
You can get the last bleeding edge version of django-multiselectfield by doing a clone of its git repository:
git clone https://github.com/goinnn/django-multiselectfield
Example project
There is a fully configured example project in the example directory. You can run it as usual:
python manage.py migrate # or python manage.py syncdb --noinput
python manage.py loaddata app_data
python manage.py runserver
0.1.12 (2020-02-20)
Optimize multiselectfield to_python method
- Thanks to:
0.1.11 (2019-12-19)
Added support for Django 3
Added support for Python 3.8
- Thanks to:
0.1.9 (2019-10-02)
Added support for Django 2
Added support for Python 3.6
Drop support for Python (2.6, 3.3)
- Thanks to:
0.1.6 (2017-05-10)
Added support for Django 1.11
Added support for Python 3.6
Improved rendering in Django admin
Improved documentation
- Thanks to:
0.1.5 (2017-01-02)
Added support for Django 1.8-1.10
Added support for named groups in choices
Added support for min_choices argument
Various fixes
More tests
- Thanks to:
0.1.4 (2016-02-23)
Fixed warning about SubfieldBase
Added support for Django 1.8+
Added support for named groups
We now play nice with django-dynamic-fixture
More tests
0.1.3 (2014-10-13)
Support to Django 1.7 (I’m sorry to the delay)
Adding get_FIELD_list function
Fix an error when a MultiSelectField was reandonly at the admin site
- Thanks to:
0.1.2 (2014-04-04)
Include the spanish translations to the pypi egg
Improvements in the readme file
Windows OS compatibility
- Thanks to:
0.1.1 (2013-12-04)
Move the multiselectfield app to parent folder
Details
0.1.0 (2013-11-30)
Test/example project
Now works if the first composant of the list of tuple is an integer
Now max_length is not required, the Multiselect field calculate it automatically.
The max_choices attr can be a attr in the model field
Refactor the code
Spanish translations
Support to python2.6
- Thanks to:
0.0.3 (2013-09-11)
Python 3 compatible
Fix an error, the snippet had another error when the choices were translatables
Improvements in the README file
0.0.2 (2012-09-28)
Fix an error, the snippet had an error.
0.0.1 (2012-09-27)
Initial version from the next snippet
Project details
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