If you've ever tried making admin object tools you may have thought, "why can't this be as easy as making Django Admin Actions?" Well now they can be.
Install Django Object Actions:
$ pip install django-object-actionsAdd django_object_actions to your INSTALLED_APPS so Django can find
our templates.
In your admin.py:
from django_object_actions import DjangoObjectActions, action
class ArticleAdmin(DjangoObjectActions, admin.ModelAdmin):
@action(label="Publish", description="Submit this article") # optional
def publish_this(self, request, obj):
publish_obj(obj)
change_actions = ('publish_this', )
changelist_actions = ('...', )Defining new &tool actions is just like defining regular admin actions. The
major difference is the functions for django-object-actions will take an
object instance instead of a queryset (see Re-using Admin Actions below).
Tool actions are exposed by putting them in a change_actions attribute in
your admin.ModelAdmin. You can also add tool actions to the main changelist
views too. There, you'll get a queryset like a regular admin action:
from django_object_actions import DjangoObjectActions
class MyModelAdmin(DjangoObjectActions, admin.ModelAdmin):
@action(
label="This will be the label of the button", # optional
description="This will be the tooltip of the button" # optional
)
def toolfunc(self, request, obj):
pass
def make_published(modeladmin, request, queryset):
queryset.update(status='p')
change_actions = ('toolfunc', )
changelist_actions = ('make_published', )Just like admin actions, you can send a message with self.message_user.
Normally, you would do something to the object and return to the same url, but
if you return a HttpResponse, it will follow it (hey, just like admin
actions!).
If your admin modifies get_urls, change_view, or changelist_view,
you'll need to take extra care because django-object-actions uses them too.
If you would like a preexisting admin action to also be an object action, add
the takes_instance_or_queryset decorator to convert object instances into a
queryset and pass querysets:
from django_object_actions import DjangoObjectActions, takes_instance_or_queryset
class RobotAdmin(DjangoObjectActions, admin.ModelAdmin):
# ... snip ...
@takes_instance_or_queryset
def tighten_lug_nuts(self, request, queryset):
queryset.update(lugnuts=F('lugnuts') - 1)
change_actions = ['tighten_lug_nuts']
actions = ['tighten_lug_nuts']To give the action some a helpful title tooltip, you can use the action decorator
and set the description argument.
@action(description="Increment the vote count by one")
def increment_vote(self, request, obj):
obj.votes = obj.votes + 1
obj.save()Alternatively, you can also add a short_description attribute,
similar to how admin actions work:
def increment_vote(self, request, obj):
obj.votes = obj.votes + 1
obj.save()
increment_vote.short_description = "Increment the vote count by one"By default, Django Object Actions will guess what to label the button
based on the name of the function. You can override this with a label
attribute:
@action(label="Vote++")
def increment_vote(self, request, obj):
obj.votes = obj.votes + 1
obj.save()or
def increment_vote(self, request, obj):
obj.votes = obj.votes + 1
obj.save()
increment_vote.label = "Vote++"If you need even more control, you can add arbitrary attributes to the buttons by adding a Django widget style attrs attribute:
@action(attrs = {'class': 'addlink'})
def increment_vote(self, request, obj):
obj.votes = obj.votes + 1
obj.save()or
def increment_vote(self, request, obj):
obj.votes = obj.votes + 1
obj.save()
increment_vote.attrs = {
'class': 'addlink',
}You can programmatically disable registered actions by defining your own
custom get_change_actions() method. In this example, certain actions
only apply to certain object states (e.g. You should not be able to
close an company account if the account is already closed):
def get_change_actions(self, request, object_id, form_url):
actions = super(PollAdmin, self).get_change_actions(request, object_id, form_url)
actions = list(actions)
if not request.user.is_superuser:
return []
obj = self.model.objects.get(pk=object_id)
if obj.question.endswith('?'):
actions.remove('question_mark')
return actionsThe same is true for changelist actions with get_changelist_actions.
You don't have to add this to INSTALLED_APPS, all you need to to do
is copy the template django_object_actions/change_form.html some place
Django's template loader will find
it.
If you don't intend to use the template customizations at all, don't
add django_object_actions to your INSTALLED_APPS at all and use
BaseDjangoObjectActions instead of DjangoObjectActions.
Making an action that links off-site:
def external_link(self, request, obj):
from django.http import HttpResponseRedirect
return HttpResponseRedirect(f'https://example.com/{obj.id}')django-object-actionsexpects functions to be methods of the model admin. While Django gives you a lot more options for their admin actions.- If you provide your own custom
change_form.html, you'll also need to manually copy in the relevant bits of our change form . - Security. This has been written with the assumption that everyone in the Django admin belongs there. Permissions should be enforced in your own actions irregardless of what this provides. Better default security is planned for the future.
See ci.yml for which Python and Django versions this supports.
You can try the demo admin against several versions of Django with these Docker images: https://hub.docker.com/r/crccheck/django-object-actions/tags
This runs the example Django project in ./example_project based on the "polls"
tutorial. admin.py demos what you can do with this app.
Getting started:
# get a copy of the code
git clone [email protected]:crccheck/django-object-actions.git
cd django-object-actions
# Install requirements
make install
make test # run test suite
make quickstart # runs 'make resetdb' and some extra stepsVarious helpers are available as make commands. Type make help and
view the Makefile to see what other things you can do.
Some commands assume you are in the virtualenv. If you see
"ModuleNotFoundError"s, try running poetry shell first.
If you want an actions menu for each row of your changelist, check out Django Admin Row Actions.
Django Object Actions is very similar to django-object-tools, but does not require messing with your urls.py, does not do anything special with permissions, and uses the same patterns as making admin actions.
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