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How to install Django

This document will get you up and running with Django.

Install Python

Being a Python Web framework, Django requires Python.

It works with any Python version 2.3 and higher.

Get Python at If you're running Linux or Mac OS X, you
probably already have it installed.

Install Apache and mod_python

If you just want to experiment with Django, skip ahead to the next
section; Django includes a lightweight web server you can use for
testing, so you won't need to set up Apache until you're ready to
deploy Django in production.

If you want to use Django on a production site, use Apache with `mod_python`_.
mod_python is similar to mod_perl -- it embeds Python within Apache and loads
Python code into memory when the server starts. Code stays in memory throughout
the life of an Apache process, which leads to significant performance gains
over other server arrangements. Make sure you have Apache installed, with the
mod_python module activated. Django requires Apache 2.x and mod_python 3.x.

See `How to use Django with mod_python`_ for information on how to configure
mod_python once you have it installed.

If you can't use mod_python for some reason, fear not: Django follows the WSGI_
spec, which allows it to run on a variety of server platforms. See the
`server-arrangements wiki page`_ for specific installation instructions for
each platform.

.. _Apache:
.. _mod_python:
.. _WSGI:
.. _How to use Django with mod_python: ../modpython/
.. _server-arrangements wiki page:

Get your database running

If you plan to use Django's database API functionality, you'll need to
make sure a database server is running. Django works with PostgreSQL_,
MySQL_, Oracle_ and SQLite_ (although SQLite doesn't require a separate server
to be running).

Additionally, you'll need to make sure your Python database bindings are

* If you're using PostgreSQL, you'll need the psycopg_ package. Django supports
  both version 1 and 2. (When you configure Django's database layer, specify
  either ``postgresql`` [for version 1] or ``postgresql_psycopg2`` [for version 2].)

  If you're on Windows, check out the unofficial `compiled Windows version`_.

* If you're using MySQL, you'll need MySQLdb_, version 1.2.1p2 or higher.
  You will also want to read the database-specific notes for the `MySQL backend`_.

* If you're using SQLite and either Python 2.3 or Python 2.4, you'll need
  pysqlite_. Use version 2.0.3 or higher. Python 2.5 ships with an sqlite
  wrapper in the standard library, so you don't need to install anything extra
  in that case.

* If you're using Oracle, you'll need cx_Oracle_, version 4.3.1 or higher.
  You will also want to read the database-specific notes for the `Oracle backend`_.

If you plan to use Django's `` syncdb`` command to
automatically create database tables for your models, you'll need to
ensure that Django has permission to create tables in the database
you're using; if you plan to manually create the tables, you can
simply grant Django ``SELECT``, ``INSERT``, ``UPDATE`` and ``DELETE``
permissions. Django does not issue ``ALTER TABLE`` statements, and so
will not require permission to do so. If you will be using Django's
`testing framework`_ with data fixtures, Django will need permission
to create a temporary test database.

.. _PostgreSQL:
.. _MySQL:
.. _Django's ticket system:
.. _psycopg:
.. _compiled Windows version:
.. _MySQLdb:
.. _SQLite:
.. _pysqlite:
.. _MySQL backend: ../databases/
.. _cx_Oracle:
.. _Oracle:
.. _Oracle backend: ../databases/#oracle-notes
.. _testing framework: ../testing/

Remove any old versions of Django

If you are upgrading your installation of Django from a previous version,
you will need to uninstall the old Django version before installing the
new version.

If you installed Django using `` install``, uninstalling
is as simple as deleting the ``django`` directory from your Python

If you installed Django from a Python egg, remove the Django ``.egg`` file,
and remove the reference to the egg in the file named ``easy-install.pth``.
This file should also be located in your ``site-packages`` directory.

.. admonition:: Where are my ``site-packages`` stored?

    The location of the ``site-packages`` directory depends on the operating
    system, and the location in which Python was installed. To find out your
    system's ``site-packages`` location, execute the following::

        python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()"

    (Note that this should be run from a shell prompt, not a Python interactive

Install the Django code

Installation instructions are slightly different depending on whether you're
installing a distribution-specific package, downloading the the latest official
release, or fetching the latest development version.

It's easy, no matter which way you choose.

Installing a distribution-specific package

Check the `distribution specific notes`_ to see if your
platform/distribution provides official Django packages/installers.
Distribution-provided packages will typically allow for automatic
installation of dependancies and easy upgrade paths.

Installing an official release

    1. Download the latest release from our `download page`_.

    2. Untar the downloaded file (e.g. ``tar xzvf Django-NNN.tar.gz``,
       where ``NNN`` is the version number of the latest release).
       If you're using Windows, you can download the command-line tool
       bsdtar_ to do this, or you can use a GUI-based tool such as 7-zip_.

    3. Change into the directory created in step 2 (e.g. ``cd Django-NNN``).

    4. If you're using Linux, Mac OS X or some other flavor of Unix, enter
       the command ``sudo python install`` at the shell prompt.
       If you're using Windows, start up a command shell with administrator
       privileges and run the command `` install``.

These commands will install Django in your Python installation's
``site-packages`` directory.

.. _distribution specific notes: ../distributions/
.. _bsdtar:
.. _7-zip:

Installing the development version

If you'd like to be able to update your Django code occasionally with the
latest bug fixes and improvements, follow these instructions:

1. Make sure that you have Subversion_ installed, and that you can run its
   commands from a shell. (Enter ``svn help`` at a shell prompt to test

2. Check out Django's main development branch (the 'trunk') like so::

       svn co django-trunk

3. Next, make sure that the Python interpreter can load Django's code. There
   are various ways of accomplishing this.  One of the most convenient, on
   Linux, Mac OSX or other Unix-like systems, is to use a symbolic link::

       ln -s `pwd`/django-trunk/django SITE-PACKAGES-DIR/django

   (In the above line, change ``SITE-PACKAGES-DIR`` to match the location of
   your system's ``site-packages`` directory, as explained in the
   "Where are my ``site-packages`` stored?" section above.)

   Alternatively, you can define your ``PYTHONPATH`` environment variable
   so that it includes the ``django`` subdirectory of ``django-trunk``.
   This is perhaps the most convenient solution on Windows systems, which
   don't support symbolic links. (Environment variables can be defined on
   Windows systems `from the Control Panel`_.)

   .. admonition:: What about Apache and mod_python?

      If you take the approach of setting ``PYTHONPATH``, you'll need to
      remember to do the same thing in your Apache configuration once you
      deploy your production site. Do this by setting ``PythonPath`` in your
      Apache configuration file.

      More information about deployment is available, of course, in our
      `How to use Django with mod_python`_ documentation.

      .. _How to use Django with mod_python: ../modpython/

4. Copy the file ``django-trunk/django/bin/`` to somewhere on
   your system path, such as ``/usr/local/bin`` (Unix) or ``C:\Python24\Scripts``
   (Windows). This step simply lets you type ```` from within
   any directory, rather than having to qualify the command with the full path
   to the file.

You *don't* have to run ``python install``, because you've already
carried out the equivalent actions in steps 3 and 4.

When you want to update your copy of the Django source code, just run the
command ``svn update`` from within the ``django-trunk`` directory. When you do
this, Subversion will automatically download any changes.

.. _`download page`:
.. _Subversion:
.. _from the Control Panel:
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