CHAPTER 1 Getting Started Release 2.5 Date February 04, 2014 1.1 Introduction Version 2.5.5 Web http://celeryproject.org/ Download http://pypi.python.org/pypi/celery/ Source http://github.com/celery/celery/ easy to integrate with web frameworks, some of which even have integration packages: Django django-celery Pyramid pyramid_celery Pylons celery-pylons Flask flask-celery web2py web2py-celery 1.1.2 Overview or ignore it. Result Stores Database, MongoDB, Redis, Cassandra, or AMQP (message notification). Web- hooks Your tasks can also be HTTP callbacks, enabling cross-language communication. Rate limiting

Introduction http://cloud.github.com/downloads/ask/celery/celery_favicon_128.png Version: 1.0.6 Web: http://celeryproject.org/ Download: http://pypi.python.org/pypi/celery/ Source: http://github.com/ask/celery/ like cron, or specifying an exact date or countdown for when after the task should be executed. Performance Able to execute tasks while the user waits. Return Values Task return values can be saved to retrieve it later, or ignore it. Result Stores Database, MongoDB, Redis, Tokyo Tyrant, AMQP (high performance). Webhooks Your tasks can also be HTTP callbacks, enabling cross- language communication. Rate

CHAPTER 1 Getting Started Release 1.0 Date February 04, 2014 1.1 Introduction Version 1.0.6 Web http://celeryproject.org/ Download http://pypi.python.org/pypi/celery/ Source http://github.com/ask/celery/ it later, or ignore it. Result Stores Database, MongoDB, Redis, Tokyo Tyrant, AMQP (high performance). Web- hooks Your tasks can also be HTTP callbacks, enabling cross-language communication. Rate can capture everything happening with the workers in real-time by subscribing to events. A real-time web monitor is in development. Serial- ization Supports Pickle, JSON, YAML, or easily defined custom

version of Celery (2.5). For the latest stable version please go here. Introduction Version: 2.5.5 Web: http://celeryproject.org/ Download: http://pypi.python.org/pypi/celery/ Source: http://github.com/celery/celery/ easy to integrate with web frameworks, some of which even have integration packages: Django django-celery Pyramid pyramid_celery Pylons celery-pylons Flask flask-celery web2py web2py-celery Overview can capture everything happening with the workers in real-time by subscribing to events. A real-time web monitor is in development. Serialization Supports Pickle, JSON, YAML, or easily defined custom schemes

[http://groups.google.com/group/celery-users] and an IRC channel. Here’s one of the simplest applications you can make: from celery import Celery app = Celery('hello', broker='amqp://guest@localhost//') easy to integrate with web frameworks, some of which even have integration packages: Django django-celery Pyramid pyramid_celery Pylons celery-pylons Flask not needed web2py web2py-celery Tornado tornado-celery control command change worker queues at runtime Jump to ⟶ Brokers Workers Security Contributing Applications Tasks Calling Daemonizing Monitoring Optimizing Routing Configuration Django Signals FAQ API

talk to for support, including a mailing-list and an IRC channel. Here’s one of the simplest applications you can make: from celery import Celery app = Celery('hello', broker='amqp://guest@localhost//') easy to integrate with web frameworks, some of which even have integration packages: Django django-celery Pyramid pyramid_celery Pylons celery-pylons Flask not needed web2py web2py-celery Tornado tornado-celery • write my own remote control command • change worker queues at runtime Jump to • Brokers • Applications • Tasks • Calling 2.2. Getting Started 9 Celery Documentation, Release 3.1.25 • Workers • Daemonizing

CHAPTER 1 Getting Started Release 2.3 Date February 04, 2014 1.1 Introduction Version 2.3.5 Web http://celeryproject.org/ Download http://pypi.python.org/pypi/celery/ Source http://github.com/ask/celery/ Result Stores Database, MongoDB, Redis, Tokyo Tyrant, Cassandra, or AMQP (message notification). Web- hooks Your tasks can also be HTTP callbacks, enabling cross-language communication. Rate limiting can capture everything happening with the workers in real-time by subscribing to events. A real-time web monitor is in development. Serial- ization Supports Pickle, JSON, YAML, or easily defined custom

CHAPTER 1 Getting Started Release 2.2 Date February 04, 2014 1.1 Introduction Version 2.2.10 Web http://celeryproject.org/ Download http://pypi.python.org/pypi/celery/ Source http://github.com/ask/celery/ Result Stores Database, MongoDB, Redis, Tokyo Tyrant, Cassandra, or AMQP (message notification). Web- hooks Your tasks can also be HTTP callbacks, enabling cross-language communication. Rate limiting can capture everything happening with the workers in real-time by subscribing to events. A real-time web monitor is in development. Serial- ization Supports Pickle, JSON, YAML, or easily defined custom

CHAPTER 1 Getting Started Release 2.4 Date January 12, 2016 1.1 Introduction Version 2.4.7 Web http://celeryproject.org/ Download http://pypi.python.org/pypi/celery/ Source http://github.com/ask/celery/ Result Stores Database, MongoDB, Redis, Tokyo Tyrant, Cassandra, or AMQP (message notification). Web- hooks Your tasks can also be HTTP callbacks, enabling cross-language communication. Rate limiting can capture everything happening with the workers in real-time by subscribing to events. A real-time web monitor is in development. Serial- ization Supports Pickle, JSON, YAML, or easily defined custom

This document describes Celery 2.4. For development docs, go here. Introduction Version: 2.4.7 Web: http://celeryproject.org/ Download: http://pypi.python.org/pypi/celery/ Source: http://github.com/ask/celery/ can capture everything happening with the workers in real-time by subscribing to events. A real-time web monitor is in development. Serialization Supports Pickle, JSON, YAML, or easily defined custom schemes sub-tasks has been executed, and even retrieve the results in order. Progress bars, anyone? Made for Web You can query status and results via URLs, enabling the ability to poll task status using Ajax. Error