Django's admin accepts callables for list_display and readonly_fields. In order to customize these callables (e.g. annotate them with a description) django requires developer to set an attribute on a callable (e.g. 'short_description'). This is a simple approach and it works.
But it is easy to make a typo or to forget what attribute should be set on a callable because there is no autocompletion.
This app provides an alternative (decorator) syntax for that + a couple of other decorators useful for customizing django admin.
pip install django-admin-decoratorsfrom django.contrib import admin
from admin_decorators import (short_description, limit_width, boolean,
apply_filter, order_field, allow_tags)
from myapp.models import MyModel
class MyModelAdmin(admin.ModelAdmin):
list_display = 'name', '_text', 'has_huge_text', 'html_url'
readonly_fields = ['name', 'html_url']
@short_description('The text limited to 100 chars')
@order_field('text')
@limit_width(100)
def _text(self, obj):
return obj.text
@boolean
@short_description('The text is huge')
def has_huge_text(self, obj):
return len(obj.text) > 100
@short_description('link')
@order_field('url')
@allow_tags
@apply_filter('urlize')
def html_url(self, obj):
return obj.url
admin.site.register(MyModel, MyModelAdmin)Note that allow_tags decorator marks result as safe so it will be html both in list_display and readonly_fields.
Take a look at source code for more decorators.
Development happens at bitbucket and github.
If you've found a bug or have an idea for new decorator feel free to open a ticket and/or send a pull request.
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