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A raw_id_fields widget replacement that handles display of an object's string value on change and can be overridden via a template.
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README.rst

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django-salmonella

A Django admin raw_id_fields widget replacement that handles display of an object's string value on change and can be overridden via a template. See this example:

http://d.pr/i/10GtM.png

Installation

Install the package with pip:

$ pip install django-salmonella

Put salmonella to your list of INSTALLED_APPS:

INSTALLED_APPS = (
    # ... other apps
    'salmonella',
)

And add the urlpattern:

urlpatterns = [
    # ...
    url(r'^admin/salmonella/', include('salmonella.urls')),
]

salmonella comes with some static files so don't forget to run manage.py collectstatic.

Usage

To start using django-salmonella in your application all you need to do is implement SalmonellaMixin in your ModelAdmin class and add the desired fields to a list of salmonella_fields:

from salmonella.admin import SalmonellaMixin

class UserProfileAdmin(SalmonellaMixin, admin.ModelAdmin):
    salmonella_fields = ('user',)

You can use Salmonella widgets in a Admin filter as well:

from salmonella.admin import SalmonellaMixin
from salmonella.filters import SalmonellaFilter

class UserProfileAdmin(SalmonellaMixin, admin.ModelAdmin):
   list_filter = (
       ('salmonella_fk', SalmonellaFilter),
   )

Customizing the value of the dynamic widget

The coolest feature of django-salmonella is the ability to customize the output of the value displayed alongside the SalmonellaIdWidget. There is a basic implementation if all you want is your object's __unicode__ value. To change the value displayed all you need to do is implement the correct template.

Django-salmonella looks for this template structure salmonella/<app>/<model>.html and salmonella/<app>/multi_<model>.html (for multi-value lookups).

For instance, if I have a blog post with a User salmonella field that I want display as Firstname Lastname, I would create the template salmonella/auth/user.html with:

<span>{{ object.0.first_name }} {{ object.0.last_name }}</span>
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