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<div class="section" id="s-how-to-install-django">
<span id="how-to-install-django"></span><h1>How to install Django<a class="headerlink" href="#how-to-install-django" title="Permalink to this headline">¶</a></h1>
<p>This document will get you up and running with Django.</p>
<div class="section" id="s-install-python">
<span id="install-python"></span><h2>Install Python<a class="headerlink" href="#install-python" title="Permalink to this headline">¶</a></h2>
<p>Being a Python Web framework, Django requires Python.</p>
<p>It works with any Python version from 2.4 to 2.7 (due to backwards
incompatibilities in Python 3.0, Django does not currently work with
Python 3.0; see <a class="reference internal" href="../faq/install.html"><em>the Django FAQ</em></a> for more
information on supported Python versions and the 3.0 transition).</p>
<p>Get Python at <a class="reference external" href="http://www.python.org">http://www.python.org</a>. If you’re running Linux or Mac OS X, you
probably already have it installed.</p>
<div class="admonition-django-on-jython admonition ">
<p class="first admonition-title">Django on Jython</p>
<p class="last">If you use <a class="reference external" href="http://jython.org/">Jython</a> (a Python implementation for the Java platform), you’ll
need to follow a few additional steps. See <a class="reference internal" href="../howto/jython.html"><em>Running Django on Jython</em></a> for details.</p>
</div>
</div>
<div class="section" id="s-install-apache-and-mod-wsgi">
<span id="install-apache-and-mod-wsgi"></span><h2>Install Apache and mod_wsgi<a class="headerlink" href="#install-apache-and-mod-wsgi" title="Permalink to this headline">¶</a></h2>
<p>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.</p>
<p>If you want to use Django on a production site, use Apache with <a class="reference external" href="http://code.google.com/p/modwsgi/">mod_wsgi</a>.
mod_wsgi 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_wsgi module activated. Django will work with any version of Apache that
supports mod_wsgi.</p>
<p>See <a class="reference internal" href="../howto/deployment/modwsgi.html"><em>How to use Django with mod_wsgi</em></a> for
information on how to configure mod_wsgi once you have it installed.</p>
<p>If you can’t use mod_wsgi for some reason, fear not: Django supports many other
deployment options. A great second choice is <a class="reference internal" href="../howto/deployment/modpython.html"><em>mod_python</em></a>, the predecessor to mod_wsgi. Additionally, Django
follows the <a class="reference external" href="http://www.python.org/dev/peps/pep-0333/">WSGI</a> spec, which allows it to run on a variety of server platforms.
See the <a class="reference external" href="http://code.djangoproject.com/wiki/ServerArrangements">server-arrangements wiki page</a> for specific installation instructions
for each platform.</p>
</div>
<div class="section" id="s-get-your-database-running">
<span id="s-database-installation"></span><span id="get-your-database-running"></span><span id="database-installation"></span><h2>Get your database running<a class="headerlink" href="#get-your-database-running" title="Permalink to this headline">¶</a></h2>
<p>If you plan to use Django’s database API functionality, you’ll need to make
sure a database server is running. Django supports many different database
servers and is officially supported with <a class="reference external" href="http://www.postgresql.org/">PostgreSQL</a>, <a class="reference external" href="http://www.mysql.com/">MySQL</a>, <a class="reference external" href="http://www.oracle.com/">Oracle</a> and
<a class="reference external" href="http://www.sqlite.org/">SQLite</a> (although SQLite doesn’t require a separate server to be running).</p>
<p>In addition to the officially supported databases, there are backends provided
by 3rd parties that allow you to use other databases with Django:</p>
<ul class="simple">
<li><a class="reference external" href="http://code.google.com/p/sqlany-django/">Sybase SQL Anywhere</a></li>
<li><a class="reference external" href="http://code.google.com/p/ibm-db/">IBM DB2</a></li>
<li><a class="reference external" href="http://code.google.com/p/django-mssql/">Microsoft SQL Server 2005</a></li>
<li><a class="reference external" href="http://code.google.com/p/django-firebird/">Firebird</a></li>
<li><a class="reference external" href="http://code.google.com/p/django-pyodbc/">ODBC</a></li>
</ul>
<p>The Django versions and ORM features supported by these unofficial backends
vary considerably. Queries regarding the specific capabilities of these
unofficial backends, along with any support queries, should be directed to the
support channels provided by each 3rd party project.</p>
<p>In addition to a database backend, you’ll need to make sure your Python
database bindings are installed.</p>
<ul>
<li><p class="first">If you’re using PostgreSQL, you’ll need the <a class="reference external" href="http://initd.org/pub/software/psycopg/">psycopg</a> package. Django supports
both version 1 and 2. (When you configure Django’s database layer, specify
either <tt class="docutils literal"><span class="pre">postgresql</span></tt> [for version 1] or <tt class="docutils literal"><span class="pre">postgresql_psycopg2</span></tt> [for version 2].)</p>
<p>If you’re on Windows, check out the unofficial <a class="reference external" href="http://stickpeople.com/projects/python/win-psycopg/">compiled Windows version</a>.</p>
</li>
<li><p class="first">If you’re using MySQL, you’ll need <a class="reference external" href="http://sourceforge.net/projects/mysql-python">MySQLdb</a>, version 1.2.1p2 or higher. You
will also want to read the database-specific notes for the <a class="reference internal" href="../ref/databases.html"><em>MySQL
backend</em></a>.</p>
</li>
<li><p class="first">If you’re using SQLite and Python 2.4, you’ll need <a class="reference external" href="http://trac.edgewall.org/wiki/PySqlite">pysqlite</a>. 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. Please
read the SQLite backend <a class="reference internal" href="../ref/databases.html#sqlite-notes"><em>notes</em></a>.</p>
</li>
<li><p class="first">If you’re using Oracle, you’ll need a copy of <a class="reference external" href="http://cx-oracle.sourceforge.net/">cx_Oracle</a>, but please
read the database-specific notes for the
<a class="reference internal" href="../ref/databases.html#oracle-notes"><em>Oracle backend</em></a> for important information
regarding supported versions of both Oracle and <tt class="docutils literal"><span class="pre">cx_Oracle</span></tt>.</p>
</li>
<li><p class="first">If you’re using an unofficial 3rd party backend, please consult the
documentation provided for any additional requirements.</p>
</li>
</ul>
<p>If you plan to use Django’s <tt class="docutils literal"><span class="pre">manage.py</span> <span class="pre">syncdb</span></tt> command to
automatically create database tables for your models, you’ll need to
ensure that Django has permission to create and alter tables in the
database you’re using; if you plan to manually create the tables, you
can simply grant Django <tt class="docutils literal"><span class="pre">SELECT</span></tt>, <tt class="docutils literal"><span class="pre">INSERT</span></tt>, <tt class="docutils literal"><span class="pre">UPDATE</span></tt> and
<tt class="docutils literal"><span class="pre">DELETE</span></tt> permissions. On some databases, Django will need
<tt class="docutils literal"><span class="pre">ALTER</span> <span class="pre">TABLE</span></tt> privileges during <tt class="docutils literal"><span class="pre">syncdb</span></tt> but won’t issue
<tt class="docutils literal"><span class="pre">ALTER</span> <span class="pre">TABLE</span></tt> statements on a table once <tt class="docutils literal"><span class="pre">syncdb</span></tt> has created it.</p>
<p>If you’re using Django’s <a class="reference internal" href="testing.html"><em>testing framework</em></a> to test database queries,
Django will need permission to create a test database.</p>
</div>
<div class="section" id="s-remove-any-old-versions-of-django">
<span id="s-removing-old-versions-of-django"></span><span id="remove-any-old-versions-of-django"></span><span id="removing-old-versions-of-django"></span><h2>Remove any old versions of Django<a class="headerlink" href="#remove-any-old-versions-of-django" title="Permalink to this headline">¶</a></h2>
<p>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.</p>
<p>If you installed Django using <tt class="docutils literal"><span class="pre">setup.py</span> <span class="pre">install</span></tt>, uninstalling
is as simple as deleting the <tt class="docutils literal"><span class="pre">django</span></tt> directory from your Python
<tt class="docutils literal"><span class="pre">site-packages</span></tt>.</p>
<p>If you installed Django from a Python egg, remove the Django <tt class="docutils literal"><span class="pre">.egg</span></tt> file,
and remove the reference to the egg in the file named <tt class="docutils literal"><span class="pre">easy-install.pth</span></tt>.
This file should also be located in your <tt class="docutils literal"><span class="pre">site-packages</span></tt> directory.</p>
<div class="admonition-where-are-my-site-packages-stored admonition ">
<p class="first admonition-title">Where are my <tt class="docutils literal"><span class="pre">site-packages</span></tt> stored?</p>
<p>The location of the <tt class="docutils literal"><span class="pre">site-packages</span></tt> directory depends on the operating
system, and the location in which Python was installed. To find out your
system’s <tt class="docutils literal"><span class="pre">site-packages</span></tt> location, execute the following:</p>
<div class="highlight-bash"><div class="highlight"><pre>python -c <span class="s2">"from distutils.sysconfig import get_python_lib; print get_python_lib()"</span>
</pre></div>
</div>
<p class="last">(Note that this should be run from a shell prompt, not a Python interactive
prompt.)</p>
</div>
</div>
<div class="section" id="s-install-the-django-code">
<span id="s-install-django-code"></span><span id="install-the-django-code"></span><span id="install-django-code"></span><h2>Install the Django code<a class="headerlink" href="#install-the-django-code" title="Permalink to this headline">¶</a></h2>
<p>Installation instructions are slightly different depending on whether you're
installing a distribution-specific package, downloading the latest official
release, or fetching the latest development version.</p>
<p>It's easy, no matter which way you choose.</p>
<div class="section" id="s-installing-a-distribution-specific-package">
<span id="installing-a-distribution-specific-package"></span><h3>Installing a distribution-specific package<a class="headerlink" href="#installing-a-distribution-specific-package" title="Permalink to this headline">¶</a></h3>
<p>Check the <a class="reference internal" href="../misc/distributions.html"><em>distribution specific notes</em></a> to see if your
platform/distribution provides official Django packages/installers.
Distribution-provided packages will typically allow for automatic installation
of dependencies and easy upgrade paths.</p>
</div>
<div class="section" id="s-installing-an-official-release">
<span id="s-installing-official-release"></span><span id="installing-an-official-release"></span><span id="installing-official-release"></span><h3>Installing an official release<a class="headerlink" href="#installing-an-official-release" title="Permalink to this headline">¶</a></h3>
<ol class="arabic simple">
<li>Download the latest release from our <a class="reference external" href="http://www.djangoproject.com/download/">download page</a>.</li>
<li>Untar the downloaded file (e.g. <tt class="docutils literal"><span class="pre">tar</span> <span class="pre">xzvf</span> <span class="pre">Django-NNN.tar.gz</span></tt>,
where <tt class="docutils literal"><span class="pre">NNN</span></tt> is the version number of the latest release).
If you're using Windows, you can download the command-line tool
<a class="reference external" href="http://gnuwin32.sourceforge.net/packages/bsdtar.htm">bsdtar</a> to do this, or you can use a GUI-based tool such as <a class="reference external" href="http://www.7-zip.org/">7-zip</a>.</li>
<li>Change into the directory created in step 2 (e.g. <tt class="docutils literal"><span class="pre">cd</span> <span class="pre">Django-NNN</span></tt>).</li>
<li>If you're using Linux, Mac OS X or some other flavor of Unix, enter
the command <tt class="docutils literal"><span class="pre">sudo</span> <span class="pre">python</span> <span class="pre">setup.py</span> <span class="pre">install</span></tt> at the shell prompt.
If you're using Windows, start up a command shell with administrator
privileges and run the command <tt class="docutils literal"><span class="pre">setup.py</span> <span class="pre">install</span></tt>.</li>
</ol>
<p>These commands will install Django in your Python installation's
<tt class="docutils literal"><span class="pre">site-packages</span></tt> directory.</p>
</div>
<div class="section" id="s-installing-the-development-version">
<span id="s-installing-development-version"></span><span id="installing-the-development-version"></span><span id="installing-development-version"></span><h3>Installing the development version<a class="headerlink" href="#installing-the-development-version" title="Permalink to this headline">¶</a></h3>
<div class="admonition-tracking-django-development admonition ">
<p class="first admonition-title">Tracking Django development</p>
<p class="last">If you decide to use the latest development version of Django,
you'll want to pay close attention to <a class="reference external" href="http://code.djangoproject.com/timeline">the development timeline</a>,
and you'll want to keep an eye on <a class="reference external" href="http://code.djangoproject.com/wiki/BackwardsIncompatibleChanges">the list of
backwards-incompatible changes</a>. This will help you stay on top
of any new features you might want to use, as well as any changes
you'll need to make to your code when updating your copy of Django.
(For stable releases, any necessary changes are documented in the
release notes.)</p>
</div>
<p>If you'd like to be able to update your Django code occasionally with the
latest bug fixes and improvements, follow these instructions:</p>
<ol class="arabic">
<li><p class="first">Make sure that you have <a class="reference external" href="http://subversion.tigris.org/">Subversion</a> installed, and that you can run its
commands from a shell. (Enter <tt class="docutils literal"><span class="pre">svn</span> <span class="pre">help</span></tt> at a shell prompt to test
this.)</p>
</li>
<li><p class="first">Check out Django's main development branch (the 'trunk') like so:</p>
<div class="highlight-bash"><div class="highlight"><pre>svn co http://code.djangoproject.com/svn/django/trunk/ django-trunk
</pre></div>
</div>
</li>
<li><p class="first">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:</p>
<div class="highlight-bash"><div class="highlight"><pre>ln -s <span class="sb">`</span><span class="nb">pwd</span><span class="sb">`</span>/django-trunk/django SITE-PACKAGES-DIR/django
</pre></div>
</div>
<p>(In the above line, change <tt class="docutils literal"><span class="pre">SITE-PACKAGES-DIR</span></tt> to match the location of
your system's <tt class="docutils literal"><span class="pre">site-packages</span></tt> directory, as explained in the
"Where are my <tt class="docutils literal"><span class="pre">site-packages</span></tt> stored?" section above.)</p>
<p>Alternatively, you can define your <tt class="docutils literal"><span class="pre">PYTHONPATH</span></tt> environment variable
so that it includes the <tt class="docutils literal"><span class="pre">django-trunk</span></tt> directory. This is perhaps the
most convenient solution on Windows systems, which don't support symbolic
links. (Environment variables can be defined on Windows systems <a class="reference external" href="http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/sysdm_advancd_environmnt_addchange_variable.mspx">from the
Control Panel</a>.)</p>
<div class="admonition-what-about-apache-and-mod-python admonition ">
<p class="first admonition-title">What about Apache and mod_python?</p>
<p>If you take the approach of setting <tt class="docutils literal"><span class="pre">PYTHONPATH</span></tt>, you'll need to
remember to do the same thing in your Apache configuration once you
deploy your production site. Do this by setting <tt class="docutils literal"><span class="pre">PythonPath</span></tt> in your
Apache configuration file.</p>
<p class="last">More information about deployment is available, of course, in our
<a class="reference internal" href="../howto/deployment/modpython.html"><em>How to use Django with mod_python</em></a>
documentation.</p>
</div>
</li>
<li><p class="first">On Unix-like systems, create a symbolic link to the file
<tt class="docutils literal"><span class="pre">django-trunk/django/bin/django-admin.py</span></tt> in a directory on your system
path, such as <tt class="docutils literal"><span class="pre">/usr/local/bin</span></tt>. For example:</p>
<div class="highlight-bash"><div class="highlight"><pre>ln -s <span class="sb">`</span><span class="nb">pwd</span><span class="sb">`</span>/django-trunk/django/bin/django-admin.py /usr/local/bin
</pre></div>
</div>
<p>This simply lets you type <tt class="docutils literal"><span class="pre">django-admin.py</span></tt> from within any directory,
rather than having to qualify the command with the full path to the file.</p>
<p>On Windows systems, the same result can be achieved by copying the file
<tt class="docutils literal"><span class="pre">django-trunk/django/bin/django-admin.py</span></tt> to somewhere on your system
path, for example <tt class="docutils literal"><span class="pre">C:\Python24\Scripts</span></tt>.</p>
</li>
</ol>
<p>You <em>don't</em> have to run <tt class="docutils literal"><span class="pre">python</span> <span class="pre">setup.py</span> <span class="pre">install</span></tt>, because you've already
carried out the equivalent actions in steps 3 and 4.</p>
<p>When you want to update your copy of the Django source code, just run the
command <tt class="docutils literal"><span class="pre">svn</span> <span class="pre">update</span></tt> from within the <tt class="docutils literal"><span class="pre">django-trunk</span></tt> directory. When you do
this, Subversion will automatically download any changes.</p>
</div>
</div>
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<h3><a href="../contents.html">Table Of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">How to install Django</a><ul>
<li><a class="reference internal" href="#install-python">Install Python</a></li>
<li><a class="reference internal" href="#install-apache-and-mod-wsgi">Install Apache and mod_wsgi</a></li>
<li><a class="reference internal" href="#get-your-database-running">Get your database running</a></li>
<li><a class="reference internal" href="#remove-any-old-versions-of-django">Remove any old versions of Django</a></li>
<li><a class="reference internal" href="#install-the-django-code">Install the Django code</a><ul>
<li><a class="reference internal" href="#installing-a-distribution-specific-package">Installing a distribution-specific package</a></li>
<li><a class="reference internal" href="#installing-an-official-release">Installing an official release</a></li>
<li><a class="reference internal" href="#installing-the-development-version">Installing the development version</a></li>
</ul>
</li>
</ul>
</li>
</ul>
<h3>Browse</h3>
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<li>Prev: <a href="index.html">Using Django</a></li>
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