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django/docs/ref/contrib/staticfiles.txt
Jannis Leidel 8e96584f63 Fixed #14524, #14582, #14617, #14665 and #14667 -- Tweaked staticfiles app.
* Updated StaticFilesHandler and AdminMediaHandler
  to make use of the 404 handler if needed.

* Updated runserver management command to serve static files
  only in DEBUG mode (or if specified the --insecure option)
  and if the staticfiles app is in INSTALLED_APPS. Also added
  an option to disable serving completely (--nostatic).

* Added check in debug mode if STATICFILES_* settings are
  different to MEDIA_* settings.

* Removed a faulty PendingDeprecationWarning in AdminMediaHandler
  that is triggered every time runserver is used.

* Fixed an issue with the modification time checks when
  running collectstatic.

* Extended and refined documentation.

Thanks to everyone for input, especially to Carl Meyer, Ted Kaemming and
Adam Vandenberg for patches.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14533 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-11-11 21:43:49 +00:00

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===================
The staticfiles app
===================
.. module:: django.contrib.staticfiles
:synopsis: An app for handling static files.
.. versionadded:: 1.3
``django.contrib.staticfiles`` collects static files from each of your
applications (and any other places you specify) into a single location that
can easily be served in production.
.. seealso::
For an introduction to the static files app and some usage examples, see
:doc:`/howto/static-files`.
.. _staticfiles-settings:
Settings
========
.. highlight:: python
The following settings control the behavior of the staticfiles app. Only
:setting:`STATICFILES_ROOT` is required, but you'll probably also need to
configure :setting:`STATICFILES_URL` as well.
.. setting:: STATICFILES_ROOT
STATICFILES_ROOT
----------------
Default: ``''`` (Empty string)
The absolute path to the directory that the :djadmin:`collectstatic` management
command will collect static files into, for serving from
:setting:`STATICFILES_URL`::
STATICFILES_ROOT = "/home/example.com/static/"
This is a **required setting** unless you've overridden
:setting:`STATICFILES_STORAGE` and are using a custom storage backend.
This is not a place to store your static files permanently under version
control; you should do that in directories that will be found by your
:setting:`STATICFILES_FINDERS` (by default, per-app ``static/`` subdirectories,
and any directories you include in :setting:`STATICFILES_DIRS`). Files from
those locations will be collected into :setting:`STATICFILES_ROOT`.
.. setting:: STATICFILES_URL
STATICFILES_URL
---------------
Default: ``'/static/'``
The URL that handles the files served from :setting:`STATICFILES_ROOT`, e.g.::
STATICFILES_URL = '/site_media/static/'
... or perhaps::
STATICFILES_URL = 'http://static.example.com/'
This should **always** have a trailing slash.
.. setting:: STATICFILES_DIRS
STATICFILES_DIRS
----------------
Default: ``[]``
This setting defines the additional locations the staticfiles app will traverse
if the :class:`FileSystemFinder` finder is enabled, e.g. if you use the
:djadmin:`collectstatic` or :djadmin:`findstatic` management command or use the
static file serving view.
This should be set to a list or tuple of strings that contain full paths to
your additional files directory(ies) e.g.::
STATICFILES_DIRS = (
"/home/special.polls.com/polls/static",
"/home/polls.com/polls/static",
"/opt/webfiles/common",
)
In case you want to refer to files in one of the locations with a additional
namespace, you can **optionally** provide a prefix as ``(prefix, path)``
tuples, e.g.::
STATICFILES_DIRS = (
"/home/polls.com/polls/static",
("downloads", "/opt/webfiles/stats"),
)
With this configuration, the :djadmin:`collectstatic` management command would
for example collect the stats files in a ``'downloads'`` directory. So
assuming you have :setting:`STATICFILES_URL` set ``'/static/'``, this would
allow you to refer to the file ``'/opt/webfiles/stats/polls_20101022.tar.gz'``
with ``'/static/downloads/polls_20101022.tar.gz'`` in your templates.
.. setting:: STATICFILES_STORAGE
STATICFILES_STORAGE
-------------------
Default: ``'django.contrib.staticfiles.storage.StaticFilesStorage'``
The file storage engine to use when collecting static files with the
:djadmin:`collectstatic` management command.
For an example, see :ref:`staticfiles-from-cdn`.
.. setting:: STATICFILES_FINDERS
STATICFILES_FINDERS
-------------------
Default::
("django.contrib.staticfiles.finders.FileSystemFinder",
"django.contrib.staticfiles.finders.AppDirectoriesFinder")
The list of finder backends that know how to find static files in
various locations.
The default will find files stored in the :setting:`STATICFILES_DIRS` setting
(using :class:`django.contrib.staticfiles.finders.FileSystemFinder`) and in a
``static`` subdirectory of each app (using
:class:`django.contrib.staticfiles.finders.AppDirectoriesFinder`)
One finder is disabled by default:
:class:`django.contrib.staticfiles.finders.DefaultStorageFinder`. If added to
your :setting:`STATICFILES_FINDERS` setting, it will look for static files in
the default file storage as defined by the :setting:`DEFAULT_FILE_STORAGE`
setting.
.. note::
When using the :class:`AppDirectoriesFinder` finder, make sure your apps can
be found by Django's app loading mechanism. Simply include a ``models``
module (an empty ``models.py`` file suffices) and add the app to the
:setting:`INSTALLED_APPS` setting of your site.
Static file finders are currently considered a private interface, and this
interface is thus undocumented.
Management Commands
===================
.. highlight:: console
``django.contrib.staticfiles`` exposes two management commands.
collectstatic
-------------
.. django-admin:: collectstatic
Collects the static files into :setting:`STATICFILES_ROOT`.
Duplicate file names are by default resolved in a similar way to how template
resolution works: the file that is first found in one of the specified
locations will be used. If you're confused, the :djadmin:`findstatic` command
can help show you which files are found.
Files are searched by using the :setting:`enabled finders
<STATICFILES_FINDERS>`. The default is to look in all locations defined in
:setting:`STATICFILES_DIRS` and in the ``'static'`` directory of apps
specified by the :setting:`INSTALLED_APPS` setting.
Some commonly used options are:
``--noinput``
Do NOT prompt the user for input of any kind.
``-i PATTERN`` or ``--ignore=PATTERN``
Ignore files or directories matching this glob-style pattern. Use multiple
times to ignore more.
``-n`` or ``--dry-run``
Do everything except modify the filesystem.
``-l`` or ``--link``
Create a symbolic link to each file instead of copying.
``--no-default-ignore``
Don't ignore the common private glob-style patterns ``'CVS'``, ``'.*'``
and ``'*~'``.
For a full list of options, refer to the commands own help by running::
$ python manage.py collectstatic --help
findstatic
----------
.. django-admin:: findstatic
Searches for one or more relative paths with the enabled finders.
For example::
$ python manage.py findstatic css/base.css admin/js/core.js
/home/special.polls.com/core/static/css/base.css
/home/polls.com/core/static/css/base.css
/home/polls.com/src/django/contrib/admin/media/js/core.js
By default, all matching locations are found. To only return the first match
for each relative path, use the ``--first`` option::
$ python manage.py findstatic css/base.css --first
/home/special.polls.com/core/static/css/base.css
This is a debugging aid; it'll show you exactly which static file will be
collected for a given path.
.. currentmodule:: None
Other Helpers
=============
The ``staticfiles`` context processor
-------------------------------------
.. function:: django.contrib.staticfiles.context_processors.staticfiles
This context processor adds the :setting:`STATICFILES_URL` into each template
context as the variable ``{{ STATICFILES_URL }}``. To use it, make sure that
``'django.contrib.staticfiles.context_processors.staticfiles'`` appears
somewhere in your :setting:`TEMPLATE_CONTEXT_PROCESSORS` setting.
Remember, only templates rendered with :class:`~django.template.RequestContext`
will have acces to the data provided by this (and any) context processor.
.. templatetag:: get_staticfiles_prefix
The ``get_staticfiles_prefix`` templatetag
==========================================
.. highlight:: html+django
If you're not using :class:`~django.template.RequestContext`, or if you need
more control over exactly where and how :setting:`STATICFILES_URL` is injected
into the template, you can use the :ttag:`get_staticfiles_prefix` template tag
instead::
{% load staticfiles %}
<img src="{% get_staticfiles_prefix %}images/hi.jpg" />
There's also a second form you can use to avoid extra processing if you need
the value multiple times::
{% load staticfiles %}
{% get_staticfiles_prefix as STATIC_PREFIX %}
<img src="{{ STATIC_PREFIX }}images/hi.jpg" />
<img src="{{ STATIC_PREFIX }}images/hi2.jpg" />
.. _staticfiles-development-view:
Static file development view
----------------------------
.. highlight:: python
.. function:: django.contrib.staticfiles.views.serve(request, path)
This view function serves static files in development.
.. warning::
This view will only work if :setting:`DEBUG` is ``True``.
That's because this view is **grossly inefficient** and probably
**insecure**. This is only intended for local development, and should
**never be used in production**.
This view is automatically enabled by :djadmin:`runserver` (with a
:setting:`DEBUG` setting set to ``True``). To use the view with a different
local development server, add the following snippet to the end of your
primary URL configuration::
from django.conf import settings
if settings.DEBUG:
urlpatterns = patterns('django.contrib.staticfiles.views',
url(r'^static/(?P<path>.*)$', 'serve'),
)
Note, the begin of the pattern (``r'^static/'``) should be your
:setting:`STATICFILES_URL` setting.
Since this is a bit finicky, there's also a helper function that'll do this for you:
.. function:: django.contrib.staticfiles.urls.staticfiles_urlpatterns()
This will return the proper URL pattern for serving static files to your
already defined pattern list. Use it like this::
from django.contrib.staticfiles.urls import staticfiles_urlpatterns
# ... the rest of your URLconf here ...
urlpatterns += staticfiles_urlpatterns()