{"title":"Using Django","version":"4.0","locale":"el","docname":"topics/index","url":"/el/4.0/topics/","canonical":"https://djangodocs.dev/el/4.0/topics/","summary":"Introductions to all the key parts of Django you’ll need to know: How to install Django Install Python Install Apache and mod_wsgi Get your database running Install…","html":"<h1>Using Django<a class=\"heading-anchor\" href=\"#using-django\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h1>\n<p>Introductions to all the key parts of Django you’ll need to know:</p>\n<div class=\"toctree-wrapper compound\">\n<ul>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/install/\">How to install Django</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/install/#install-python\">Install Python</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/install/#install-apache-and-mod-wsgi\">Install Apache and <code class=\"docutils literal notranslate\"><span class=\"pre\">mod_wsgi</span></code></a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/install/#get-your-database-running\">Get your database running</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/install/#install-the-django-code\">Install the Django code</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/\">Models and databases</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/models/\">Models</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/queries/\">Making queries</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/aggregation/\">Aggregation</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/search/\">Search</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/managers/\">Managers</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/sql/\">Performing raw SQL queries</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/transactions/\">Database transactions</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/multi-db/\">Multiple databases</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/tablespaces/\">Tablespaces</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/optimization/\">Database access optimization</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/instrumentation/\">Database instrumentation</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/db/examples/\">Examples of model relationship API usage</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/\">Handling HTTP requests</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/urls/\">URL dispatcher</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/views/\">Writing views</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/decorators/\">View decorators</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/file-uploads/\">File Uploads</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/shortcuts/\">Django shortcut functions</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/generic-views/\">Generic views</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/middleware/\">Middleware</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/http/sessions/\">How to use sessions</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/\">Working with forms</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/#html-forms\">HTML forms</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/#django-s-role-in-forms\">Django’s role in forms</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/#forms-in-django\">Forms in Django</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/#building-a-form\">Building a form</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/#more-about-django-form-classes\">More about Django <code class=\"xref py py-class docutils literal notranslate\"><span class=\"pre\">Form</span></code> classes</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/#working-with-form-templates\">Working with form templates</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/forms/#further-topics\">Further topics</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/templates/\">Templates</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/templates/#the-django-template-language\">The Django template language</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/templates/#support-for-template-engines\">Support for template engines</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/\">Class-based views</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/intro/\">Introduction to class-based views</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/generic-display/\">Built-in class-based generic views</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/generic-editing/\">Form handling with class-based views</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/mixins/\">Using mixins with class-based views</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/#basic-examples\">Basic examples</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/#usage-in-your-urlconf\">Usage in your URLconf</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/class-based-views/#subclassing-generic-views\">Subclassing generic views</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/\">Migrations</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#the-commands\">The Commands</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#backend-support\">Backend Support</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#workflow\">Workflow</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#transactions\">Transactions</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#dependencies\">Dependencies</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#migration-files\">Migration files</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#adding-migrations-to-apps\">Adding migrations to apps</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#reversing-migrations\">Reversing migrations</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#historical-models\">Historical models</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#considerations-when-removing-model-fields\">Considerations when removing model fields</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#data-migrations\">Data Migrations</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#squashing-migrations\">Squashing migrations</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#serializing-values\">Serializing values</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/migrations/#supporting-multiple-django-versions\">Supporting multiple Django versions</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/files/\">Managing files</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/files/#using-files-in-models\">Using files in models</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/files/#the-file-object\">The <code class=\"docutils literal notranslate\"><span class=\"pre\">File</span></code> object</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/files/#file-storage\">File storage</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/testing/\">Testing in Django</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/testing/overview/\">Writing and running tests</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/testing/tools/\">Testing tools</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/testing/advanced/\">Advanced testing topics</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/auth/\">User authentication in Django</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/auth/#overview\">Overview</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/auth/#installation\">Installation</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/auth/#usage\">Usage</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/\">Django’s cache framework</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#setting-up-the-cache\">Setting up the cache</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#the-per-site-cache\">The per-site cache</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#the-per-view-cache\">The per-view cache</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#template-fragment-caching\">Template fragment caching</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#the-low-level-cache-api\">The low-level cache API</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#asynchronous-support\">Asynchronous support</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#downstream-caches\">Downstream caches</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#using-vary-headers\">Using <code class=\"docutils literal notranslate\"><span class=\"pre\">Vary</span></code> headers</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#controlling-cache-using-other-headers\">Controlling cache: Using other headers</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/cache/#order-of-middleware\">Order of <code class=\"docutils literal notranslate\"><span class=\"pre\">MIDDLEWARE</span></code></a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/conditional-view-processing/\">Conditional View Processing</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/conditional-view-processing/#the-condition-decorator\">The <code class=\"docutils literal notranslate\"><span class=\"pre\">condition</span></code> decorator</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/conditional-view-processing/#shortcuts-for-only-computing-one-value\">Shortcuts for only computing one value</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/conditional-view-processing/#using-the-decorators-with-other-http-methods\">Using the decorators with other HTTP methods</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/conditional-view-processing/#comparison-with-middleware-conditional-processing\">Comparison with middleware conditional processing</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/signing/\">Cryptographic signing</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/signing/#protecting-the-secret-key\">Protecting the <code class=\"docutils literal notranslate\"><span class=\"pre\">SECRET_KEY</span></code></a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/signing/#using-the-low-level-api\">Using the low-level API</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/\">Sending email</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#quick-example\">Quick example</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#send-mail\"><code class=\"docutils literal notranslate\"><span class=\"pre\">send_mail()</span></code></a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#send-mass-mail\"><code class=\"docutils literal notranslate\"><span class=\"pre\">send_mass_mail()</span></code></a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#mail-admins\"><code class=\"docutils literal notranslate\"><span class=\"pre\">mail_admins()</span></code></a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#mail-managers\"><code class=\"docutils literal notranslate\"><span class=\"pre\">mail_managers()</span></code></a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#examples\">Examples</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#preventing-header-injection\">Preventing header injection</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#the-emailmessage-class\">The <code class=\"docutils literal notranslate\"><span class=\"pre\">EmailMessage</span></code> class</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#email-backends\">Email backends</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/email/#configuring-email-for-development\">Configuring email for development</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/i18n/\">Internationalization and localization</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/i18n/#overview\">Overview</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/i18n/#definitions\">Definitions</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/logging/\">Logging</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/logging/#overview\">Overview</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/logging/#security-implications\">Security implications</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/logging/#configuring-logging\">Configuring logging</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/pagination/\">Pagination</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/pagination/#the-paginator-class\">The <code class=\"docutils literal notranslate\"><span class=\"pre\">Paginator</span></code> class</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/pagination/#example\">Example</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/pagination/#paginating-a-listview\">Paginating a <code class=\"docutils literal notranslate\"><span class=\"pre\">ListView</span></code></a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/pagination/#using-paginator-in-a-view-function\">Using <code class=\"docutils literal notranslate\"><span class=\"pre\">Paginator</span></code> in a view function</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/\">Security in Django</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#cross-site-scripting-xss-protection\">Cross site scripting (XSS) protection</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#cross-site-request-forgery-csrf-protection\">Cross site request forgery (CSRF) protection</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#sql-injection-protection\">SQL injection protection</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#clickjacking-protection\">Clickjacking protection</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#ssl-https\">SSL/HTTPS</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#host-header-validation\">Host header validation</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#referrer-policy\">Referrer policy</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#cross-origin-opener-policy\">Cross-origin opener policy</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#session-security\">Session security</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#user-uploaded-content\">User-uploaded content</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/security/#additional-security-topics\">Additional security topics</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/\">Performance and optimization</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#introduction\">Introduction</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#general-approaches\">General approaches</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#caching\">Caching</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#understanding-laziness\">Understanding laziness</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#databases\">Databases</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#http-performance\">HTTP performance</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#template-performance\">Template performance</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/performance/#using-different-versions-of-available-software\">Using different versions of available software</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/serialization/\">Serializing Django objects</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/serialization/#serializing-data\">Serializing data</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/serialization/#deserializing-data\">Deserializing data</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/serialization/#serialization-formats\">Serialization formats</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/serialization/#natural-keys\">Natural keys</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/\">Django settings</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#the-basics\">The basics</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#designating-the-settings\">Designating the settings</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#default-settings\">Default settings</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#using-settings-in-python-code\">Using settings in Python code</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#altering-settings-at-runtime\">Altering settings at runtime</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#security\">Security</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#available-settings\">Available settings</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#creating-your-own-settings\">Creating your own settings</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/settings/#using-settings-without-setting-django-settings-module\">Using settings without setting <code class=\"xref std std-envvar docutils literal notranslate\"><span class=\"pre\">DJANGO_SETTINGS_MODULE</span></code></a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/signals/\">Signals</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/signals/#listening-to-signals\">Listening to signals</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/signals/#defining-and-sending-signals\">Defining and sending signals</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/signals/#disconnecting-signals\">Disconnecting signals</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/checks/\">System check framework</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/checks/#writing-your-own-checks\">Writing your own checks</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/external-packages/\">External packages</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/external-packages/#localflavor\">Localflavor</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/external-packages/#comments\">Comments</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/external-packages/#formtools\">Formtools</a></li>\n</ul>\n</li>\n<li class=\"toctree-l1\"><a class=\"reference internal\" href=\"/el/4.0/topics/async/\">Asynchronous support</a><ul>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/async/#async-views\">Async views</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/async/#async-safety\">Async safety</a></li>\n<li class=\"toctree-l2\"><a class=\"reference internal\" href=\"/el/4.0/topics/async/#async-adapter-functions\">Async adapter functions</a></li>\n</ul>\n</li>\n</ul>\n</div>","rootId":"using-django","toc":[],"breadcrumbs":[],"prev":{"docname":"intro/contributing","title":"Γράφοντας το πρώτο σας patch για το Django","url":"/el/4.0/intro/contributing/"},"next":{"docname":"topics/install","title":"How to install 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