Django documentation

Settings

Warning

Be careful when you override settings, especially when the default value is a non-empty tuple or dictionary, such as MIDDLEWARE_CLASSES and TEMPLATE_CONTEXT_PROCESSORS. Make sure you keep the components required by the features of Django you wish to use.

Available settings

Here’s a full list of all available settings, in alphabetical order, and their default values.

ABSOLUTE_URL_OVERRIDES

Default: {} (Empty dictionary)

A dictionary mapping "app_label.model_name" strings to functions that take a model object and return its URL. This is a way of overriding get_absolute_url() methods on a per-installation basis. Example:

ABSOLUTE_URL_OVERRIDES = {
    'blogs.weblog': lambda o: "/blogs/%s/" % o.slug,
    'news.story': lambda o: "/stories/%s/%s/" % (o.pub_year, o.slug),
}

Note that the model name used in this setting should be all lower-case, regardless of the case of the actual model class name.

ADMIN_FOR

Default: () (Empty tuple)

Used for admin-site settings modules, this should be a tuple of settings modules (in the format 'foo.bar.baz') for which this site is an admin.

The admin site uses this in its automatically-introspected documentation of models, views and template tags.

ADMINS

Default: () (Empty tuple)

A tuple that lists people who get code error notifications. When DEBUG=False and a view raises an exception, Django will email these people with the full exception information. Each member of the tuple should be a tuple of (Full name, email address). Example:

(('John', 'john@example.com'), ('Mary', 'mary@example.com'))

Note that Django will email all of these people whenever an error happens. See Error reporting for more information.

ALLOWED_HOSTS

Default: ['*']

A list of strings representing the host/domain names that this Django site can serve. This is a security measure to prevent an attacker from poisoning caches and password reset emails with links to malicious hosts by submitting requests with a fake HTTP Host header, which is possible even under many seemingly-safe webserver configurations.

Values in this list can be fully qualified names (e.g. 'www.example.com'), in which case they will be matched against the request’s Host header exactly (case-insensitive, not including port). A value beginning with a period can be used as a subdomain wildcard: '.example.com' will match example.com, www.example.com, and any other subdomain of example.com. A value of '*' will match anything; in this case you are responsible to provide your own validation of the Host header (perhaps in a middleware; if so this middleware must be listed first in MIDDLEWARE_CLASSES).

If the Host header (or X-Forwarded-Host if USE_X_FORWARDED_HOST is enabled) does not match any value in this list, the django.http.HttpRequest.get_host() method will raise SuspiciousOperation.

When DEBUG is True or when running tests, host validation is disabled; any host will be accepted. Thus it’s usually only necessary to set it in production.

This validation only applies via get_host(); if your code accesses the Host header directly from request.META you are bypassing this security protection.

The default value of this setting in Django 1.4.4+ is ['*'] (accept any host) in order to avoid breaking backwards-compatibility in a security update, but in Django 1.5+ the default is [] and explicitly configuring this setting is required.

ALLOWED_INCLUDE_ROOTS

Default: () (Empty tuple)

A tuple of strings representing allowed prefixes for the {% ssi %} template tag. This is a security measure, so that template authors can’t access files that they shouldn’t be accessing.

For example, if ALLOWED_INCLUDE_ROOTS is ('/home/html', '/var/www'), then {% ssi /home/html/foo.txt %} would work, but {% ssi /etc/passwd %} wouldn’t.

APPEND_SLASH

Default: True

When set to True, if the request URL does not match any of the patterns in the URLconf and it doesn’t end in a slash, an HTTP redirect is issued to the same URL with a slash appended. Note that the redirect may cause any data submitted in a POST request to be lost.

The APPEND_SLASH setting is only used if CommonMiddleware is installed (see Middleware). See also PREPEND_WWW.

AUTHENTICATION_BACKENDS

Default: ('django.contrib.auth.backends.ModelBackend',)

A tuple of authentication backend classes (as strings) to use when attempting to authenticate a user. See the authentication backends documentation for details.

AUTH_PROFILE_MODULE

Default: Not defined

The site-specific user profile model used by this site. See Storing additional information about users.

CACHES

New in Django 1.3: Please see the release notes

Default:

{
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
    }
}

A dictionary containing the settings for all caches to be used with Django. It is a nested dictionary whose contents maps cache aliases to a dictionary containing the options for an individual cache.

The CACHES setting must configure a default cache; any number of additional caches may also be specified. If you are using a cache backend other than the local memory cache, or you need to define multiple caches, other options will be required. The following cache options are available.

BACKEND

Default: '' (Empty string)

The cache backend to use. The built-in cache backends are:

  • 'django.core.cache.backends.db.DatabaseCache'
  • 'django.core.cache.backends.dummy.DummyCache'
  • 'django.core.cache.backends.filebased.FileBasedCache'
  • 'django.core.cache.backends.locmem.LocMemCache'
  • 'django.core.cache.backends.memcached.MemcachedCache'
  • 'django.core.cache.backends.memcached.PyLibMCCache'

You can use a cache backend that doesn’t ship with Django by setting BACKEND to a fully-qualified path of a cache backend class (i.e. mypackage.backends.whatever.WhateverCache). Writing a whole new cache backend from scratch is left as an exercise to the reader; see the other backends for examples.

Note

Prior to Django 1.3, you could use a URI based version of the backend name to reference the built-in cache backends (e.g., you could use 'db://tablename' to refer to the database backend). This format has been deprecated, and will be removed in Django 1.5.

KEY_FUNCTION

A string containing a dotted path to a function that defines how to compose a prefix, version and key into a final cache key. The default implementation is equivalent to the function:

def make_key(key, key_prefix, version):
    return ':'.join([key_prefix, str(version), smart_str(key)])

You may use any key function you want, as long as it has the same argument signature.

See the cache documentation for more information.

KEY_PREFIX

Default: '' (Empty string)

A string that will be automatically included (prepended by default) to all cache keys used by the Django server.

See the cache documentation for more information.

LOCATION

Default: '' (Empty string)

The location of the cache to use. This might be the directory for a file system cache, a host and port for a memcache server, or simply an identifying name for a local memory cache. e.g.:

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache',
        'LOCATION': '/var/tmp/django_cache',
    }
}

OPTIONS

Default: None

Extra parameters to pass to the cache backend. Available parameters vary depending on your cache backend.

Some information on available parameters can be found in the Cache Backends documentation. For more information, consult your backend module’s own documentation.

TIMEOUT

Default: 300

The number of seconds before a cache entry is considered stale.

VERSION

Default: 1

The default version number for cache keys generated by the Django server.

See the cache documentation for more information.

CACHE_MIDDLEWARE_ALIAS

Default: default

The cache connection to use for the cache middleware.

CACHE_MIDDLEWARE_ANONYMOUS_ONLY

Default: False

If the value of this setting is True, only anonymous requests (i.e., not those made by a logged-in user) will be cached. Otherwise, the middleware caches every page that doesn’t have GET or POST parameters.

If you set the value of this setting to True, you should make sure you’ve activated AuthenticationMiddleware.

See Django’s cache framework.

CACHE_MIDDLEWARE_KEY_PREFIX

Default: '' (Empty string)

The cache key prefix that the cache middleware should use.

See Django’s cache framework.

CACHE_MIDDLEWARE_SECONDS

Default: 600

The default number of seconds to cache a page when the caching middleware or cache_page() decorator is used.

See Django’s cache framework.

CSRF_FAILURE_VIEW

New in Django 1.2: Please see the release notes

Default: 'django.views.csrf.csrf_failure'

A dotted path to the view function to be used when an incoming request is rejected by the CSRF protection. The function should have this signature:

def csrf_failure(request, reason="")

where reason is a short message (intended for developers or logging, not for end users) indicating the reason the request was rejected. See Cross Site Request Forgery protection.

DATABASES

New in Django 1.2: Please see the release notes

Default: {} (Empty dictionary)

A dictionary containing the settings for all databases to be used with Django. It is a nested dictionary whose contents maps database aliases to a dictionary containing the options for an individual database.

The DATABASES setting must configure a default database; any number of additional databases may also be specified.

The simplest possible settings file is for a single-database setup using SQLite. This can be configured using the following:

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': 'mydatabase'
    }
}

For other database backends, or more complex SQLite configurations, other options will be required. The following inner options are available.

ENGINE

Default: '' (Empty string)

The database backend to use. The built-in database backends are:

  • 'django.db.backends.postgresql_psycopg2'
  • 'django.db.backends.mysql'
  • 'django.db.backends.sqlite3'
  • 'django.db.backends.oracle'

You can use a database backend that doesn’t ship with Django by setting ENGINE to a fully-qualified path (i.e. mypackage.backends.whatever). Writing a whole new database backend from scratch is left as an exercise to the reader; see the other backends for examples.

Note

Prior to Django 1.2, you could use a short version of the backend name to reference the built-in database backends (e.g., you could use 'sqlite3' to refer to the SQLite backend). This format has been deprecated, and will be removed in Django 1.4.

HOST

Default: '' (Empty string)

Which host to use when connecting to the database. An empty string means localhost. Not used with SQLite.

If this value starts with a forward slash ('/') and you’re using MySQL, MySQL will connect via a Unix socket to the specified socket. For example:

"HOST": '/var/run/mysql'

If you’re using MySQL and this value doesn’t start with a forward slash, then this value is assumed to be the host.

If you’re using PostgreSQL, an empty string means to use a Unix domain socket for the connection, rather than a network connection to localhost. If you explicitly need to use a TCP/IP connection on the local machine with PostgreSQL, specify localhost here.

NAME

Default: '' (Empty string)

The name of the database to use. For SQLite, it’s the full path to the database file. When specifying the path, always use forward slashes, even on Windows (e.g. C:/homes/user/mysite/sqlite3.db).

OPTIONS

Default: {} (Empty dictionary)

Extra parameters to use when connecting to the database. Available parameters vary depending on your database backend.

Some information on available parameters can be found in the Database Backends documentation. For more information, consult your backend module’s own documentation.

PASSWORD

Default: '' (Empty string)

The password to use when connecting to the database. Not used with SQLite.

PORT

Default: '' (Empty string)

The port to use when connecting to the database. An empty string means the default port. Not used with SQLite.

USER

Default: '' (Empty string)

The username to use when connecting to the database. Not used with SQLite.

TEST_CHARSET

Default: None

The character set encoding used to create the test database. The value of this string is passed directly through to the database, so its format is backend-specific.

Supported for the PostgreSQL (postgresql_psycopg2) and MySQL (mysql) backends.

TEST_COLLATION

Default: None

The collation order to use when creating the test database. This value is passed directly to the backend, so its format is backend-specific.

Only supported for the mysql backend (see the MySQL manual for details).

TEST_DEPENDENCIES

New in Django 1.3: Please see the release notes

Default: ['default'], for all databases other than default, which has no dependencies.

The creation-order dependencies of the database. See the documentation on controlling the creation order of test databases for details.

TEST_MIRROR

Default: None

The alias of the database that this database should mirror during testing.

This setting exists to allow for testing of master/slave configurations of multiple databases. See the documentation on testing master/slave configurations for details.

TEST_NAME

Default: None

The name of database to use when running the test suite.

If the default value (None) is used with the SQLite database engine, the tests will use a memory resident database. For all other database engines the test database will use the name 'test_' + DATABASE_NAME.

See Testing Django applications.

TEST_CREATE

Default: True

This is an Oracle-specific setting.

If it is set to False, the test tablespaces won’t be automatically created at the beginning of the tests and dropped at the end.

TEST_USER

Default: None

This is an Oracle-specific setting.

The username to use when connecting to the Oracle database that will be used when running tests. If not provided, Django will use 'test_' + USER.

TEST_USER_CREATE

Default: True

This is an Oracle-specific setting.

If it is set to False, the test user won’t be automatically created at the beginning of the tests and dropped at the end.

TEST_PASSWD

Default: None

This is an Oracle-specific setting.

The password to use when connecting to the Oracle database that will be used when running tests. If not provided, Django will use a hardcoded default value.

TEST_TBLSPACE

Default: None

This is an Oracle-specific setting.

The name of the tablespace that will be used when running tests. If not provided, Django will use 'test_' + NAME.

TEST_TBLSPACE_TMP

Default: None

This is an Oracle-specific setting.

The name of the temporary tablespace that will be used when running tests. If not provided, Django will use 'test_' + NAME + '_temp'.

DATABASE_ROUTERS

New in Django 1.2: Please see the release notes

Default: [] (Empty list)

The list of routers that will be used to determine which database to use when performing a database queries.

See the documentation on automatic database routing in multi database configurations.

DATE_FORMAT

Default: 'N j, Y' (e.g. Feb. 4, 2003)

The default formatting to use for displaying date fields in any part of the system. Note that if USE_L10N is set to True, then the locale-dictated format has higher precedence and will be applied instead. See allowed date format strings.

Changed in Django 1.2: This setting can now be overriden by setting USE_L10N to True.

See also DATETIME_FORMAT, TIME_FORMAT and SHORT_DATE_FORMAT.

DATE_INPUT_FORMATS

New in Django 1.2: Please see the release notes

Default:

('%Y-%m-%d', '%m/%d/%Y', '%m/%d/%y', '%b %d %Y',
'%b %d, %Y', '%d %b %Y', '%d %b, %Y', '%B %d %Y',
'%B %d, %Y', '%d %B %Y', '%d %B, %Y')

A tuple of formats that will be accepted when inputting data on a date field. Formats will be tried in order, using the first valid one. Note that these format strings use Python’s datetime module syntax, not the format strings from the date Django template tag.

When USE_L10N is True, the locale-dictated format has higher precedence and will be applied instead.

See also DATETIME_INPUT_FORMATS and TIME_INPUT_FORMATS.

DATETIME_FORMAT

Default: 'N j, Y, P' (e.g. Feb. 4, 2003, 4 p.m.)

The default formatting to use for displaying datetime fields in any part of the system. Note that if USE_L10N is set to True, then the locale-dictated format has higher precedence and will be applied instead. See allowed date format strings.

Changed in Django 1.2: This setting can now be overriden by setting USE_L10N to True.

See also DATE_FORMAT, TIME_FORMAT and SHORT_DATETIME_FORMAT.

DATETIME_INPUT_FORMATS

New in Django 1.2: Please see the release notes

Default:

('%Y-%m-%d %H:%M:%S', '%Y-%m-%d %H:%M', '%Y-%m-%d',
'%m/%d/%Y %H:%M:%S', '%m/%d/%Y %H:%M', '%m/%d/%Y',
'%m/%d/%y %H:%M:%S', '%m/%d/%y %H:%M', '%m/%d/%y')

A tuple of formats that will be accepted when inputting data on a datetime field. Formats will be tried in order, using the first valid one. Note that these format strings use Python’s datetime module syntax, not the format strings from the date Django template tag.

When USE_L10N is True, the locale-dictated format has higher precedence and will be applied instead.

See also DATE_INPUT_FORMATS and TIME_INPUT_FORMATS.

DEBUG

Default: False

A boolean that turns on/off debug mode.

Never deploy a site into production with DEBUG turned on.

Did you catch that? NEVER deploy a site into production with DEBUG turned on.

One of the main features of debug mode is the display of detailed error pages. If your app raises an exception when DEBUG is True, Django will display a detailed traceback, including a lot of metadata about your environment, such as all the currently defined Django settings (from settings.py).

As a security measure, Django will not include settings that might be sensitive (or offensive), such as SECRET_KEY or PROFANITIES_LIST. Specifically, it will exclude any setting whose name includes any of the following:

  • API
  • KEY
  • PASS
  • PROFANITIES_LIST
  • SECRET
  • SIGNATURE
  • TOKEN
Changed in Django 1.4: Please see the release notes

Note that these are partial matches. 'PASS' will also match PASSWORD, just as 'TOKEN' will also match TOKENIZED and so on.

Still, note that there are always going to be sections of your debug output that are inappropriate for public consumption. File paths, configuration options and the like all give attackers extra information about your server.

It is also important to remember that when running with DEBUG turned on, Django will remember every SQL query it executes. This is useful when you’re debugging, but it’ll rapidly consume memory on a production server.

DEBUG_PROPAGATE_EXCEPTIONS

Default: False

If set to True, Django’s normal exception handling of view functions will be suppressed, and exceptions will propagate upwards. This can be useful for some test setups, and should never be used on a live site.

DECIMAL_SEPARATOR

New in Django 1.2: Please see the release notes

Default: '.' (Dot)

Default decimal separator used when formatting decimal numbers.

Note that if USE_L10N is set to True, then the locale-dictated format has higher precedence and will be applied instead.

See also NUMBER_GROUPING, THOUSAND_SEPARATOR and USE_THOUSAND_SEPARATOR.

DEFAULT_CHARSET

Default: 'utf-8'

Default charset to use for all HttpResponse objects, if a MIME type isn’t manually specified. Used with DEFAULT_CONTENT_TYPE to construct the Content-Type header.

DEFAULT_CONTENT_TYPE

Default: 'text/html'

Default content type to use for all HttpResponse objects, if a MIME type isn’t manually specified. Used with DEFAULT_CHARSET to construct the Content-Type header.

DEFAULT_EXCEPTION_REPORTER_FILTER

Default: django.views.debug.SafeExceptionReporterFilter

Default exception reporter filter class to be used if none has been assigned to the HttpRequest instance yet. See Filtering error reports.

DEFAULT_FILE_STORAGE

Default: django.core.files.storage.FileSystemStorage

Default file storage class to be used for any file-related operations that don’t specify a particular storage system. See Managing files.

DEFAULT_FROM_EMAIL

Default: 'webmaster@localhost'

Default email address to use for various automated correspondence from the site manager(s).

DEFAULT_INDEX_TABLESPACE

Default: '' (Empty string)

Default tablespace to use for indexes on fields that don’t specify one, if the backend supports it (see Tablespaces).

DEFAULT_TABLESPACE

Default: '' (Empty string)

Default tablespace to use for models that don’t specify one, if the backend supports it (see Tablespaces).

DISALLOWED_USER_AGENTS

Default: () (Empty tuple)

List of compiled regular expression objects representing User-Agent strings that are not allowed to visit any page, systemwide. Use this for bad robots/crawlers. This is only used if CommonMiddleware is installed (see Middleware).

EMAIL_BACKEND

New in Django 1.2: Please see the release notes

Default: 'django.core.mail.backends.smtp.EmailBackend'

The backend to use for sending emails. For the list of available backends see Sending email.

EMAIL_FILE_PATH

New in Django 1.2: Please see the release notes

Default: Not defined

The directory used by the file email backend to store output files.

EMAIL_HOST

Default: 'localhost'

The host to use for sending email.

See also EMAIL_PORT.

EMAIL_HOST_PASSWORD

Default: '' (Empty string)

Password to use for the SMTP server defined in EMAIL_HOST. This setting is used in conjunction with EMAIL_HOST_USER when authenticating to the SMTP server. If either of these settings is empty, Django won’t attempt authentication.

See also EMAIL_HOST_USER.

EMAIL_HOST_USER

Default: '' (Empty string)

Username to use for the SMTP server defined in EMAIL_HOST. If empty, Django won’t attempt authentication.

See also EMAIL_HOST_PASSWORD.

EMAIL_PORT

Default: 25

Port to use for the SMTP server defined in EMAIL_HOST.

EMAIL_SUBJECT_PREFIX

Default: '[Django] '

Subject-line prefix for email messages sent with django.core.mail.mail_admins or django.core.mail.mail_managers. You’ll probably want to include the trailing space.

EMAIL_USE_TLS

Default: False

Whether to use a TLS (secure) connection when talking to the SMTP server.

FILE_CHARSET

Default: 'utf-8'

The character encoding used to decode any files read from disk. This includes template files and initial SQL data files.

FILE_UPLOAD_HANDLERS

Default:

("django.core.files.uploadhandler.MemoryFileUploadHandler",
 "django.core.files.uploadhandler.TemporaryFileUploadHandler",)

A tuple of handlers to use for uploading. See Managing files for details.

FILE_UPLOAD_MAX_MEMORY_SIZE

Default: 2621440 (i.e. 2.5 MB).

The maximum size (in bytes) that an upload will be before it gets streamed to the file system. See Managing files for details.

FILE_UPLOAD_PERMISSIONS

Default: None

The numeric mode (i.e. 0644) to set newly uploaded files to. For more information about what these modes mean, see the documentation for os.chmod().

If this isn’t given or is None, you’ll get operating-system dependent behavior. On most platforms, temporary files will have a mode of 0600, and files saved from memory will be saved using the system’s standard umask.

Warning

Always prefix the mode with a 0.

If you’re not familiar with file modes, please note that the leading 0 is very important: it indicates an octal number, which is the way that modes must be specified. If you try to use 644, you’ll get totally incorrect behavior.

FILE_UPLOAD_TEMP_DIR

Default: None

The directory to store data temporarily while uploading files. If None, Django will use the standard temporary directory for the operating system. For example, this will default to ‘/tmp’ on *nix-style operating systems.

See Managing files for details.

FIRST_DAY_OF_WEEK

New in Django 1.2: Please see the release notes

Default: 0 (Sunday)

Number representing the first day of the week. This is especially useful when displaying a calendar. This value is only used when not using format internationalization, or when a format cannot be found for the current locale.

The value must be an integer from 0 to 6, where 0 means Sunday, 1 means Monday and so on.

FIXTURE_DIRS

Default: () (Empty tuple)

List of directories searched for fixture files, in addition to the fixtures directory of each application, in search order.

Note that these paths should use Unix-style forward slashes, even on Windows.

See Providing initial data with fixtures and Fixture loading.

FORCE_SCRIPT_NAME

Default: None

If not None, this will be used as the value of the SCRIPT_NAME environment variable in any HTTP request. This setting can be used to override the server-provided value of SCRIPT_NAME, which may be a rewritten version of the preferred value or not supplied at all.

FORMAT_MODULE_PATH

New in Django 1.2: Please see the release notes

Default: None

A full Python path to a Python package that contains format definitions for project locales. If not None, Django will check for a formats.py file, under the directory named as the current locale, and will use the formats defined on this file.

For example, if FORMAT_MODULE_PATH is set to mysite.formats, and current language is en (English), Django will expect a directory tree like:

mysite/
    formats/
        __init__.py
        en/
            __init__.py
            formats.py

Available formats are DATE_FORMAT, TIME_FORMAT, DATETIME_FORMAT, YEAR_MONTH_FORMAT, MONTH_DAY_FORMAT, SHORT_DATE_FORMAT, SHORT_DATETIME_FORMAT, FIRST_DAY_OF_WEEK, DECIMAL_SEPARATOR, THOUSAND_SEPARATOR and NUMBER_GROUPING.

IGNORABLE_404_URLS

New in Django 1.4: Please see the release notes

Default: ()

List of compiled regular expression objects describing URLs that should be ignored when reporting HTTP 404 errors via email (see Error reporting). Use this if your site does not provide a commonly requested file such as favicon.ico or robots.txt, or if it gets hammered by script kiddies.

This is only used if SEND_BROKEN_LINK_EMAILS is set to True and CommonMiddleware is installed (see Middleware).

INSTALLED_APPS

Default: () (Empty tuple)

A tuple of strings designating all applications that are enabled in this Django installation. Each string should be a full Python path to a Python package that contains a Django application, as created by django-admin.py startapp.

App names must be unique

The application names (that is, the final dotted part of the path to the module containing models.py) defined in INSTALLED_APPS must be unique. For example, you can’t include both django.contrib.auth and myproject.auth in INSTALLED_APPS.

INTERNAL_IPS

Default: () (Empty tuple)

A tuple of IP addresses, as strings, that:

  • See debug comments, when DEBUG is True
  • Receive X headers if the XViewMiddleware is installed (see Middleware)

LANGUAGE_CODE

Default: 'en-us'

A string representing the language code for this installation. This should be in standard language format. For example, U.S. English is "en-us". See Internationalization and localization.

LANGUAGES

Default: A tuple of all available languages. This list is continually growing and including a copy here would inevitably become rapidly out of date. You can see the current list of translated languages by looking in django/conf/global_settings.py (or view the online source).

The list is a tuple of two-tuples in the format (language code, language name), the language code part should be a language name – for example, ('ja', 'Japanese'). This specifies which languages are available for language selection. See Internationalization and localization.

Generally, the default value should suffice. Only set this setting if you want to restrict language selection to a subset of the Django-provided languages.

If you define a custom LANGUAGES setting, it’s OK to mark the languages as translation strings (as in the default value referred to above) – but use a “dummy” gettext() function, not the one in django.utils.translation. You should never import django.utils.translation from within your settings file, because that module in itself depends on the settings, and that would cause a circular import.

The solution is to use a “dummy” gettext() function. Here’s a sample settings file:

gettext = lambda s: s

LANGUAGES = (
    ('de', gettext('German')),
    ('en', gettext('English')),
)

With this arrangement, django-admin.py makemessages will still find and mark these strings for translation, but the translation won’t happen at runtime – so you’ll have to remember to wrap the languages in the real gettext() in any code that uses LANGUAGES at runtime.

LOCALE_PATHS

Default: () (Empty tuple)

A tuple of directories where Django looks for translation files. See How Django discovers translations.

Example:

LOCALE_PATHS = (
    '/home/www/project/common_files/locale',
    '/var/local/translations/locale'
)

Note that in the paths you add to the value of this setting, if you have the typical /path/to/locale/xx/LC_MESSAGES hierarchy, you should use the path to the locale directory (i.e. '/path/to/locale').

LOGGING

New in Django 1.3: Please see the release notes

Default: A logging configuration dictionary.

A data structure containing configuration information. The contents of this data structure will be passed as the argument to the configuration method described in LOGGING_CONFIG.

The default logging configuration passes HTTP 500 server errors to an email log handler; all other log messages are given to a NullHandler.

LOGGING_CONFIG

New in Django 1.3: Please see the release notes

Default: 'django.utils.log.dictConfig'

A path to a callable that will be used to configure logging in the Django project. Points at a instance of Python’s dictConfig configuration method by default.

If you set LOGGING_CONFIG to None, the logging configuration process will be skipped.

LOGIN_REDIRECT_URL

Default: '/accounts/profile/'

The URL where requests are redirected after login when the contrib.auth.login view gets no next parameter.

This is used by the login_required() decorator, for example.

Note

You can use reverse_lazy() to reference URLs by their name instead of providing a hardcoded value. Assuming a urls.py with an URLpattern named home:

urlpatterns = patterns('',
    url('^welcome/$', 'test_app.views.home', name='home'),
)

You can use reverse_lazy() like this:

from django.core.urlresolvers import reverse_lazy

LOGIN_REDIRECT_URL = reverse_lazy('home')

This also works fine with localized URLs using i18n_patterns().

LOGIN_URL

Default: '/accounts/login/'

The URL where requests are redirected for login, especially when using the login_required() decorator.

LOGOUT_URL

Default: '/accounts/logout/'

LOGIN_URL counterpart.

MANAGERS

Default: () (Empty tuple)

A tuple in the same format as ADMINS that specifies who should get broken-link notifications when SEND_BROKEN_LINK_EMAILS=True.

MEDIA_ROOT

Default: '' (Empty string)

Absolute filesystem path to the directory that will hold user-uploaded files.

Example: "/home/media/media.lawrence.com/"

See also MEDIA_URL.

MEDIA_URL

Default: '' (Empty string)

URL that handles the media served from MEDIA_ROOT, used for managing stored files.

Example: "http://media.lawrence.com/"

Changed in Django 1.3: It must end in a slash if set to a non-empty value.

MESSAGE_LEVEL

New in Django 1.2: Please see the release notes

Default: messages.INFO

Sets the minimum message level that will be recorded by the messages framework. See the messages documentation for more details.

MESSAGE_STORAGE

New in Django 1.2: Please see the release notes

Default: 'django.contrib.messages.storage.fallback.FallbackStorage'

Controls where Django stores message data. See the messages documentation for more details.

MESSAGE_TAGS

New in Django 1.2: Please see the release notes

Default:

{messages.DEBUG: 'debug',
messages.INFO: 'info',
messages.SUCCESS: 'success',
messages.WARNING: 'warning',
messages.ERROR: 'error',}

Sets the mapping of message levels to message tags. See the messages documentation for more details.

MIDDLEWARE_CLASSES

Default:

('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',)

A tuple of middleware classes to use. See Middleware.

Changed in Django 1.2: 'django.contrib.messages.middleware.MessageMiddleware' was added to the default. For more information, see the messages documentation.

MONTH_DAY_FORMAT

Default: 'F j'

The default formatting to use for date fields on Django admin change-list pages – and, possibly, by other parts of the system – in cases when only the month and day are displayed.

For example, when a Django admin change-list page is being filtered by a date drilldown, the header for a given day displays the day and month. Different locales have different formats. For example, U.S. English would say “January 1,” whereas Spanish might say “1 Enero.”

See allowed date format strings. See also DATE_FORMAT, DATETIME_FORMAT, TIME_FORMAT and YEAR_MONTH_FORMAT.

NUMBER_GROUPING

New in Django 1.2: Please see the release notes

Default: 0

Number of digits grouped together on the integer part of a number.

Common use is to display a thousand separator. If this setting is 0, then no grouping will be applied to the number. If this setting is greater than 0, then THOUSAND_SEPARATOR will be used as the separator between those groups.

Note that if USE_L10N is set to True, then the locale-dictated format has higher precedence and will be applied instead.

See also DECIMAL_SEPARATOR, THOUSAND_SEPARATOR and USE_THOUSAND_SEPARATOR.

PASSWORD_HASHERS

New in Django 1.4: Please see the release notes

See How Django stores passwords.

Default:

('django.contrib.auth.hashers.PBKDF2PasswordHasher',
 'django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher',
 'django.contrib.auth.hashers.BCryptPasswordHasher',
 'django.contrib.auth.hashers.SHA1PasswordHasher',
 'django.contrib.auth.hashers.MD5PasswordHasher',
 'django.contrib.auth.hashers.UnsaltedMD5PasswordHasher',
 'django.contrib.auth.hashers.CryptPasswordHasher',)

PASSWORD_RESET_TIMEOUT_DAYS

Default: 3

The number of days a password reset link is valid for. Used by the django.contrib.auth password reset mechanism.

PREPEND_WWW

Default: False

Whether to prepend the “www.” subdomain to URLs that don’t have it. This is only used if CommonMiddleware is installed (see Middleware). See also APPEND_SLASH.

PROFANITIES_LIST

Default: () (Empty tuple)

A tuple of profanities, as strings, that will be forbidden in comments when COMMENTS_ALLOW_PROFANITIES is False.

RESTRUCTUREDTEXT_FILTER_SETTINGS

Default: {}

A dictionary containing settings for the restructuredtext markup filter from the django.contrib.markup application. They override the default writer settings. See the Docutils restructuredtext writer settings docs for details.

ROOT_URLCONF

Default: Not defined

A string representing the full Python import path to your root URLconf. For example: "mydjangoapps.urls". Can be overridden on a per-request basis by setting the attribute urlconf on the incoming HttpRequest object. See How Django processes a request for details.

SECRET_KEY

Default: '' (Empty string)

A secret key for this particular Django installation. Used to provide a seed in secret-key hashing algorithms. Set this to a random string – the longer, the better. django-admin.py startproject creates one automatically.

SECURE_PROXY_SSL_HEADER

New in Django 1.4: Please see the release notes

Default: None

A tuple representing a HTTP header/value combination that signifies a request is secure. This controls the behavior of the request object’s is_secure() method.

This takes some explanation. By default, is_secure() is able to determine whether a request is secure by looking at whether the requested URL uses “https://”. This is important for Django’s CSRF protection, and may be used by your own code or third-party apps.

If your Django app is behind a proxy, though, the proxy may be “swallowing” the fact that a request is HTTPS, using a non-HTTPS connection between the proxy and Django. In this case, is_secure() would always return False – even for requests that were made via HTTPS by the end user.

In this situation, you’ll want to configure your proxy to set a custom HTTP header that tells Django whether the request came in via HTTPS, and you’ll want to set SECURE_PROXY_SSL_HEADER so that Django knows what header to look for.

You’ll need to set a tuple with two elements – the name of the header to look for and the required value. For example:

SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')

Here, we’re telling Django that we trust the X-Forwarded-Protocol header that comes from our proxy, and any time its value is 'https', then the request is guaranteed to be secure (i.e., it originally came in via HTTPS). Obviously, you should only set this setting if you control your proxy or have some other guarantee that it sets/strips this header appropriately.

Note that the header needs to be in the format as used by request.META – all caps and likely starting with HTTP_. (Remember, Django automatically adds 'HTTP_' to the start of x-header names before making the header available in request.META.)

Warning

You will probably open security holes in your site if you set this without knowing what you’re doing. And if you fail to set it when you should. Seriously.

Make sure ALL of the following are true before setting this (assuming the values from the example above):

  • Your Django app is behind a proxy.
  • Your proxy strips the ‘X-Forwarded-Protocol’ header from all incoming requests. In other words, if end users include that header in their requests, the proxy will discard it.
  • Your proxy sets the ‘X-Forwarded-Protocol’ header and sends it to Django, but only for requests that originally come in via HTTPS.

If any of those are not true, you should keep this setting set to None and find another way of determining HTTPS, perhaps via custom middleware.

SERIALIZATION_MODULES

Default: Not defined.

A dictionary of modules containing serializer definitions (provided as strings), keyed by a string identifier for that serialization type. For example, to define a YAML serializer, use:

SERIALIZATION_MODULES = { 'yaml' : 'path.to.yaml_serializer' }

SERVER_EMAIL

Default: 'root@localhost'

The email address that error messages come from, such as those sent to ADMINS and MANAGERS.

SESSION_ENGINE

Default: django.contrib.sessions.backends.db

Controls where Django stores session data. Valid values are:

  • 'django.contrib.sessions.backends.db'
  • 'django.contrib.sessions.backends.file'
  • 'django.contrib.sessions.backends.cache'
  • 'django.contrib.sessions.backends.cached_db'
  • 'django.contrib.sessions.backends.signed_cookies'

See How to use sessions.

SESSION_EXPIRE_AT_BROWSER_CLOSE

Default: False

Whether to expire the session when the user closes his or her browser. See the How to use sessions.

SESSION_FILE_PATH

Default: None

If you’re using file-based session storage, this sets the directory in which Django will store session data. See How to use sessions. When the default value (None) is used, Django will use the standard temporary directory for the system.

SESSION_SAVE_EVERY_REQUEST

Default: False

Whether to save the session data on every request. See How to use sessions.

SHORT_DATE_FORMAT

New in Django 1.2: Please see the release notes

Default: m/d/Y (e.g. 12/31/2003)

An available formatting that can be used for displaying date fields on templates. Note that if USE_L10N is set to True, then the corresponding locale-dictated format has higher precedence and will be applied. See allowed date format strings.

See also DATE_FORMAT and SHORT_DATETIME_FORMAT.

SHORT_DATETIME_FORMAT

New in Django 1.2: Please see the release notes

Default: m/d/Y P (e.g. 12/31/2003 4 p.m.)

An available formatting that can be used for displaying datetime fields on templates. Note that if USE_L10N is set to True, then the corresponding locale-dictated format has higher precedence and will be applied. See allowed date format strings.

See also DATE_FORMAT and SHORT_DATE_FORMAT.

SIGNING_BACKEND

New in Django 1.4: Please see the release notes

Default: ‘django.core.signing.TimestampSigner’

The backend used for signing cookies and other data.

See also the Cryptographic signing documentation.

SITE_ID

Default: Not defined

The ID, as an integer, of the current site in the django_site database table. This is used so that application data can hook into specific site(s) and a single database can manage content for multiple sites.

See The “sites” framework.

STATIC_ROOT

Default: '' (Empty string)

The absolute path to the directory where collectstatic will collect static files for deployment.

Example: "/home/example.com/static/"

If the staticfiles contrib app is enabled (default) the collectstatic management command will collect static files into this directory. See the howto on managing static files for more details about usage.

Warning

This should be an (initially empty) destination directory for collecting your static files from their permanent locations into one directory for ease of deployment; it is not a place to store your static files permanently. You should do that in directories that will be found by staticfiles‘s finders, which by default, are 'static/' app sub-directories and any directories you include in STATICFILES_DIRS).

See staticfiles reference and STATIC_URL.

STATIC_URL

Default: None

URL to use when referring to static files located in STATIC_ROOT.

Example: "/site_media/static/" or "http://static.example.com/"

If not None, this will be used as the base path for media definitions and the staticfiles app.

It must end in a slash if set to a non-empty value.

See STATIC_ROOT.

TEMPLATE_CONTEXT_PROCESSORS

Default:

("django.contrib.auth.context_processors.auth",
"django.core.context_processors.debug",
"django.core.context_processors.i18n",
"django.core.context_processors.media",
"django.core.context_processors.static",
"django.core.context_processors.tz",
"django.contrib.messages.context_processors.messages")

A tuple of callables that are used to populate the context in RequestContext. These callables take a request object as their argument and return a dictionary of items to be merged into the context.

Changed in Django 1.2: django.contrib.messages.context_processors.messages was added to the default. For more information, see the messages documentation.
Changed in Django 1.2: The auth context processor was moved in this release from its old location django.core.context_processors.auth to django.contrib.auth.context_processors.auth.
New in Django 1.3: The django.core.context_processors.static context processor was added in this release.
New in Django 1.4: The django.core.context_processors.tz context processor was added in this release.

TEMPLATE_DEBUG

Default: False

A boolean that turns on/off template debug mode. If this is True, the fancy error page will display a detailed report for any exception raised during template rendering. This report contains the relevant snippet of the template, with the appropriate line highlighted.

Note that Django only displays fancy error pages if DEBUG is True, so you’ll want to set that to take advantage of this setting.

See also DEBUG.

TEMPLATE_DIRS

Default: () (Empty tuple)

List of locations of the template source files searched by django.template.loaders.filesystem.Loader, in search order.

Note that these paths should use Unix-style forward slashes, even on Windows.

See The Django template language.

TEMPLATE_LOADERS

Default:

('django.template.loaders.filesystem.Loader',
 'django.template.loaders.app_directories.Loader')

A tuple of template loader classes, specified as strings. Each Loader class knows how to import templates from a particular source. Optionally, a tuple can be used instead of a string. The first item in the tuple should be the Loader‘s module, subsequent items are passed to the Loader during initialization. See The Django template language: For Python programmers.

Changed in Django 1.2: The class-based API for template loaders was introduced in Django 1.2 although the TEMPLATE_LOADERS setting will accept strings that specify function-based loaders until compatibility with them is completely removed in Django 1.4.

TEMPLATE_STRING_IF_INVALID

Default: '' (Empty string)

Output, as a string, that the template system should use for invalid (e.g. misspelled) variables. See How invalid variables are handled..

TEST_RUNNER

Default: 'django.test.simple.DjangoTestSuiteRunner'

Changed in Django 1.2: Prior to 1.2, test runners were a function, not a class.

The name of the class to use for starting the test suite. See Testing Django applications.

THOUSAND_SEPARATOR

New in Django 1.2: Please see the release notes

Default: , (Comma)

Default thousand separator used when formatting numbers. This setting is used only when USE_THOUSAND_SEPARATOR is True and NUMBER_GROUPING is greater than 0.

Note that if USE_L10N is set to True, then the locale-dictated format has higher precedence and will be applied instead.

See also NUMBER_GROUPING, DECIMAL_SEPARATOR and USE_THOUSAND_SEPARATOR.

TIME_FORMAT

Default: 'P' (e.g. 4 p.m.)

The default formatting to use for displaying time fields in any part of the system. Note that if USE_L10N is set to True, then the locale-dictated format has higher precedence and will be applied instead. See allowed date format strings.

Changed in Django 1.2: This setting can now be overriden by setting USE_L10N to True.

See also DATE_FORMAT and DATETIME_FORMAT.

TIME_INPUT_FORMATS

New in Django 1.2: Please see the release notes

Default: ('%H:%M:%S', '%H:%M')

A tuple of formats that will be accepted when inputting data on a time field. Formats will be tried in order, using the first valid one. Note that these format strings use Python’s datetime module syntax, not the format strings from the date Django template tag.

When USE_L10N is True, the locale-dictated format has higher precedence and will be applied instead.

See also DATE_INPUT_FORMATS and DATETIME_INPUT_FORMATS.

TIME_ZONE

Default: 'America/Chicago'

Changed in Django 1.2: None was added as an allowed value.
Changed in Django 1.4: The meaning of this setting now depends on the value of USE_TZ.

A string representing the time zone for this installation, or None. See available choices. (Note that list of available choices lists more than one on the same line; you’ll want to use just one of the choices for a given time zone. For instance, one line says 'Europe/London GB GB-Eire', but you should use the first bit of that – 'Europe/London' – as your TIME_ZONE setting.)

Note that this isn’t necessarily the time zone of the server. For example, one server may serve multiple Django-powered sites, each with a separate time zone setting.

When USE_TZ is False, this is the time zone in which Django will store all datetimes. When USE_TZ is True, this is the default time zone that Django will use to display datetimes in templates and to interpret datetimes entered in forms.

Django sets the os.environ['TZ'] variable to the time zone you specify in the TIME_ZONE setting. Thus, all your views and models will automatically operate in this time zone. However, Django won’t set the TZ environment variable under the following conditions:

  • If you’re using the manual configuration option as described in manually configuring settings, or
  • If you specify TIME_ZONE = None. This will cause Django to fall back to using the system timezone. However, this is discouraged when USE_TZ = True, because it makes conversions between local time and UTC less reliable.

If Django doesn’t set the TZ environment variable, it’s up to you to ensure your processes are running in the correct environment.

Note

Django cannot reliably use alternate time zones in a Windows environment. If you’re running Django on Windows, TIME_ZONE must be set to match the system time zone.

URL_VALIDATOR_USER_AGENT

Default: Django/<version> (https://www.djangoproject.com/)

The string to use as the User-Agent header when checking to see if URLs exist (see the verify_exists option on URLField). This setting was deprecated in 1.3.1 along with verify_exists and will be removed in 1.4.

USE_ETAGS

Default: False

A boolean that specifies whether to output the “Etag” header. This saves bandwidth but slows down performance. This is used by the CommonMiddleware (see Middleware) and in the``Cache Framework`` (see Django’s cache framework).

USE_I18N

Default: True

A boolean that specifies whether Django’s translation system should be enabled. This provides an easy way to turn it off, for performance. If this is set to False, Django will make some optimizations so as not to load the translation machinery.

See also LANGUAGE_CODE, USE_L10N and USE_TZ.

USE_L10N

New in Django 1.2: Please see the release notes

Default: False

A boolean that specifies if localized formatting of data will be enabled by default or not. If this is set to True, e.g. Django will display numbers and dates using the format of the current locale.

See also LANGUAGE_CODE, USE_I18N and USE_TZ.

Note

The default settings.py file created by django-admin.py startproject includes USE_L10N = True for convenience.

USE_THOUSAND_SEPARATOR

New in Django 1.2: Please see the release notes

Default: False

A boolean that specifies whether to display numbers using a thousand separator. When USE_L10N is set to True and if this is also set to True, Django will use the values of THOUSAND_SEPARATOR and NUMBER_GROUPING to format numbers.

See also DECIMAL_SEPARATOR, NUMBER_GROUPING and THOUSAND_SEPARATOR.

USE_TZ

New in Django 1.4: Please see the release notes

Default: False

A boolean that specifies if datetimes will be timezone-aware by default or not. If this is set to True, Django will use timezone-aware datetimes internally. Otherwise, Django will use naive datetimes in local time.

See also TIME_ZONE, USE_I18N and USE_L10N.

Note

The default settings.py file created by django-admin.py startproject includes USE_TZ = True for convenience.

USE_X_FORWARDED_HOST

New in Django 1.3.1: Please see the release notes

Default: False

A boolean that specifies whether to use the X-Forwarded-Host header in preference to the Host header. This should only be enabled if a proxy which sets this header is in use.

WSGI_APPLICATION

New in Django 1.4: Please see the release notes

Default: None

The full Python path of the WSGI application object that Django’s built-in servers (e.g. runserver) will use. The django-admin.py startproject management command will create a simple wsgi.py file with an application callable in it, and point this setting to that application.

If not set, the return value of django.core.wsgi.get_wsgi_application() will be used. In this case, the behavior of runserver will be identical to previous Django versions.

YEAR_MONTH_FORMAT

Default: 'F Y'

The default formatting to use for date fields on Django admin change-list pages – and, possibly, by other parts of the system – in cases when only the year and month are displayed.

For example, when a Django admin change-list page is being filtered by a date drilldown, the header for a given month displays the month and the year. Different locales have different formats. For example, U.S. English would say “January 2006,” whereas another locale might say “2006/January.”

See allowed date format strings. See also DATE_FORMAT, DATETIME_FORMAT, TIME_FORMAT and MONTH_DAY_FORMAT.

X_FRAME_OPTIONS

Default: 'SAMEORIGIN'

The default value for the X-Frame-Options header used by XFrameOptionsMiddleware. See the clickjacking protection documentation.

Deprecated settings

ADMIN_MEDIA_PREFIX

Deprecated in Django 1.4:

Deprecated since version 1.4: This setting has been obsoleted by the django.contrib.staticfiles app integration. See the Django 1.4 release notes for more information.

CACHE_BACKEND

Deprecated in Django 1.3:

Deprecated since version 1.3: This setting has been replaced by BACKEND in CACHES.

IGNORABLE_404_ENDS

Deprecated in Django 1.4:

Deprecated since version 1.4: This setting has been superseded by IGNORABLE_404_URLS.

IGNORABLE_404_STARTS

Deprecated in Django 1.4:

Deprecated since version 1.4: This setting has been superseded by IGNORABLE_404_URLS.

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