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django-celery-model is an extension to Celery which adds support for tracking Celery tasks assigned to Django model instances.

Installation

Install the latest version from pypi.python.org:

pip install django-celery-model

Install the development version by cloning the source from github.com:

pip install git+https://github.com/mback2k/django-celery-model.git

Configuration

Add the package to your INSTALLED_APPS:

INSTALLED_APPS += (
    'djcelery_model',
)

Make sure that you are receiving Celery events via:

CELERY_TASK_TRACK_STARTED = True
CELERY_TASK_SEND_SENT_EVENT = True
CELERY_SEND_EVENTS = True

Example

Add the TaskMixin to your Django model:

from django.db import models
from django.utils.translation import ugettext_lazy as _
from djcelery_model.models import TaskMixin

class MyModel(TaskMixin, models.Model):
    name = models.CharField(_('Name'), max_length=100)

Queue an asynchronous task from your Django model instance:

from .models import MyModel
from .tasks import mytask

mymodel = MyModel.objects.get(name='test instance')
mymodel.apply_async(mytask, ...)

Retrieve list of asynchronous tasks assigned to your Django model instance:

mymodel.tasks.all()
mymodel.tasks.pending()
mymodel.tasks.started()
mymodel.tasks.retrying()
mymodel.tasks.failed()
mymodel.tasks.successful()
mymodel.tasks.running()
mymodel.tasks.ready()

Check for a running or ready asynchronous task for your Django model instance:

mymodel.has_running_task
mymodel.has_ready_task

Handle asynchronous task results for your Django model instance:

mymodel.get_task_results()
mymodel.get_task_result(task_id)
mymodel.clear_task_results()
mymodel.clear_task_result(task_id)

Filter your Django model based upon asynchronous tasks:

MyModel.objects.with_tasks()
MyModel.objects.with_pending_tasks()
MyModel.objects.with_started_tasks()
MyModel.objects.with_retrying_tasks()
MyModel.objects.with_failed_tasks()
MyModel.objects.with_successful_tasks()
MyModel.objects.with_running_tasks()
MyModel.objects.with_ready_tasks()

MyModel.objects.without_tasks()
MyModel.objects.without_pending_tasks()
MyModel.objects.without_started_tasks()
MyModel.objects.without_retrying_tasks()
MyModel.objects.without_failed_tasks()
MyModel.objects.without_successful_tasks()
MyModel.objects.without_running_tasks()
MyModel.objects.without_ready_tasks()

License