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Activities & notifications for Django

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Small core for dealing with activities & notifications.

Source code


There are quite some Django apps for dealing with activities & notifications, yet none match my expectations/requirements:

  • Action URLs: they do not belong in the database/models, as your database records will outlive the URL routing configuration.

  • Texts & descriptions: these neither belong in the database/models. If you need to change the wording or correct a typ-o, you should not have to go over all existing records to make the change as well. But more importantly, you need to cater for internationalization, so these belong in templates where e.g. {% blocktrans %} can be used.

  • Views: any views that are offered out of the box are not going to match your requirements, and won’t fit in with your single page application.

  • Project specific data: actistream allows for storing additional project specific data per activity, and flagging activities in a performant manner.


An activity is about an actor, involved in an action of a certain activity type, relating an action object to a target. For example:

  • John (=the actor) has posted a comment (=the activity type) stating “I don’t get it!” (=the action object) on the blog post titled “actistream for dummies” (the target).

A notice is an action addressed to a user. So, in Jane’s inbox you may want to display that John posted that comment. For that purpose, create a Notice relating the above activity to Jane.

Quick Start

Suppose you have a an app called blog dealing with posts and comments. Create a file named blog/, containing:

from actistream.types import ActivityWrapper, ActivityType

class CommentPosted(ActivityType):
    verbose_name = 'Comment posted'

    class Wrapper(ActivityWrapper):
        Wraps the generic ``Activity`` model, expose any helper methods
        you see fit. Notice that the action URL is not stored in the

        def get_action_url(self):
            return self.activity.action_object.get_absolute_url()

        def is_active(self):
            Completely optional, but just to show that it handles
            the case where things get deleted.
            comment = self.activity.action_object
            return not

Given the above, whenever a new comment is created, do:

from blog.activities import CommentPosted

def some_view(request):
    activity = CommentPosted.create(
        target=post,  # The post that gets commented
        action_object=comment,  # The newly posted comment

To notice users about this activity, do:

from actistream.models import Notice

notice_recipients = User.objects.filter(...)

Notices need to be turned into emails. For that purpose you’ll need to setup a few templates:


Only one of .txt or .html is required, both are allowed for combined text and HTML mails.

For turning an activity into an HTML snippet, e.g. to be displayed in a feed, do:

{% load actistream %}
{% render_activity activity %}

This will try to find a template named:


Which could look someting like:

{{ }} posted a comment to
<a href="{{activity.wrapper.get_action_url}}">{{ }}</a>.


Running in production since 2012, released as open source in september 2016.

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django-actistream-3.0.2.tar.gz (14.0 kB view hashes)

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