.. _celery-installation:

Installation
============

You can install Celery either via the Python Package Index (PyPI)
or from source.

To install using `pip`,:

.. code-block:: console

    $ pip install -U Celery

To install using `easy_install`,:

.. code-block:: console

    $ easy_install -U Celery

.. _bundles:

Bundles
-------

Celery also defines a group of bundles that can be used
to install Celery and the dependencies for a given feature.

You can specify these in your requirements or on the :command:`pip`
command-line by using brackets.  Multiple bundles can be specified by
separating them by commas.

.. code-block:: console

    $ pip install "celery[librabbitmq]"

    $ pip install "celery[librabbitmq,redis,auth,msgpack]"

The following bundles are available:

Serializers
~~~~~~~~~~~

:``celery[auth]``:
    for using the ``auth`` security serializer.

:``celery[msgpack]``:
    for using the msgpack serializer.

:``celery[yaml]``:
    for using the yaml serializer.

Concurrency
~~~~~~~~~~~

:``celery[eventlet]``:
    for using the :pypi:`eventlet` pool.

:``celery[gevent]``:
    for using the :pypi:`gevent` pool.

:``celery[threads]``:
    for using the thread pool.

Transports and Backends
~~~~~~~~~~~~~~~~~~~~~~~

:``celery[librabbitmq]``:
    for using the librabbitmq C library.

:``celery[redis]``:
    for using Redis as a message transport or as a result backend.

:``celery[mongodb]``:
    for using MongoDB as a message transport (*experimental*),
    or as a result backend (*supported*).

:``celery[sqs]``:
    for using Amazon SQS as a message transport (*experimental*).

:``celery[tblib``]
    for using the :setting:`task_remote_tracebacks` feature.

:``celery[memcache]``:
    for using Memcached as a result backend (using :pypi:`pylibmc`)

:``celery[pymemcache]``:
    for using Memcached as a result backend (pure-Python implementation).

:``celery[cassandra]``:
    for using Apache Cassandra as a result backend with DataStax driver.

:``celery[couchdb]``:
    for using CouchDB as a message transport (*experimental*).

:``celery[couchbase]``:
    for using Couchbase as a result backend.

:``celery[elasticsearch]``:
    for using Elasticsearch as a result backend.

:``celery[riak]``:
    for using Riak as a result backend.

:``celery[beanstalk]``:
    for using Beanstalk as a message transport (*experimental*).

:``celery[zookeeper]``:
    for using Zookeeper as a message transport.

:``celery[zeromq]``:
    for using ZeroMQ as a message transport (*experimental*).

:``celery[sqlalchemy]``:
    for using SQLAlchemy as a message transport (*experimental*),
    or as a result backend (*supported*).

:``celery[pyro]``:
    for using the Pyro4 message transport (*experimental*).

:``celery[slmq]``:
    for using the SoftLayer Message Queue transport (*experimental*).

.. _celery-installing-from-source:

Downloading and installing from source
--------------------------------------

Download the latest version of Celery from
http://pypi.python.org/pypi/celery/

You can install it by doing the following,:

.. code-block:: console

    $ tar xvfz celery-0.0.0.tar.gz
    $ cd celery-0.0.0
    $ python setup.py build
    # python setup.py install

The last command must be executed as a privileged user if
you are not currently using a virtualenv.

.. _celery-installing-from-git:

Using the development version
-----------------------------

With pip
~~~~~~~~

The Celery development version also requires the development
versions of :pypi:`kombu`, :pypi:`amqp`, :pypi:`billiard` and :pypi:`vine`.

You can install the latest snapshot of these using the following
pip commands:

.. code-block:: console

    $ pip install https://github.com/celery/celery/zipball/master#egg=celery
    $ pip install https://github.com/celery/billiard/zipball/master#egg=billiard
    $ pip install https://github.com/celery/py-amqp/zipball/master#egg=amqp
    $ pip install https://github.com/celery/kombu/zipball/master#egg=kombu
    $ pip install https://github.com/celery/vine/zipball/master#egg=vine

With git
~~~~~~~~

Please the Contributing section.
