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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content="A way to create simple reusable template components in Django."><link href=https://emilstenstrom.github.io/django-components/latest/concepts/fundamentals/components_in_python/ rel=canonical><link href=../single_file_components/ rel=prev><link href=../access_component_input/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.6.1, mkdocs-material-9.5.49"><title>Components in Python - Django-Components</title><link rel=stylesheet href=../../../assets/stylesheets/main.6f8fc17f.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.06af60db.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet 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<label class=md-nav__title for=__nav_1> <span class="md-nav__icon md-icon"></span> Get Started </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../overview/welcome/ class=md-nav__link> <span class=md-ellipsis> Welcome to Django Components </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/compatibility/ class=md-nav__link> <span class=md-ellipsis> Compatibility </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/installation/ class=md-nav__link> <span class=md-ellipsis> Installation </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/security_notes/ class=md-nav__link> <span class=md-ellipsis> Security notes 🚨 </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/community/ class=md-nav__link> <span class=md-ellipsis> Community </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/contributing/ class=md-nav__link> <span class=md-ellipsis> Contributing </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/development/ class=md-nav__link> <span class=md-ellipsis> Development </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/code_of_conduct/ class=md-nav__link> <span class=md-ellipsis> Code of Conduct </span> </a> </li> <li class=md-nav__item> <a href=../../../overview/license/ class=md-nav__link> <span class=md-ellipsis> License </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_2 checked> <label class=md-nav__link for=__nav_2 id=__nav_2_label tabindex> <span class=md-ellipsis> Concepts </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_2_label aria-expanded=true> <label class=md-nav__title for=__nav_2> <span class="md-nav__icon md-icon"></span> Concepts </label> <ul class=md-nav__list data-md-scrollfix> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_2_1> <label class=md-nav__link for=__nav_2_1 id=__nav_2_1_label tabindex> <span class=md-ellipsis> Getting started </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_2_1_label aria-expanded=false> <label class=md-nav__title for=__nav_2_1> <span class="md-nav__icon md-icon"></span> Getting started </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../getting_started/your_first_component/ class=md-nav__link> <span class=md-ellipsis> Create your first component </span> </a> </li> <li class=md-nav__item> <a href=../../getting_started/adding_js_and_css/ class=md-nav__link> <span class=md-ellipsis> Adding JS and CSS </span> </a> </li> <li class=md-nav__item> <a href=../../getting_started/components_in_templates/ class=md-nav__link> <span class=md-ellipsis> Components in templates </span> </a> </li> <li class=md-nav__item> <a href=../../getting_started/parametrising_components/ class=md-nav__link> <span class=md-ellipsis> Parametrising components </span> </a> </li> <li class=md-nav__item> <a href=../../getting_started/adding_slots/ class=md-nav__link> <span class=md-ellipsis> Adding slots </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_2_2 checked> <label class=md-nav__link for=__nav_2_2 id=__nav_2_2_label tabindex> <span class=md-ellipsis> Fundamentals </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_2_2_label aria-expanded=true> <label class=md-nav__title for=__nav_2_2> <span class="md-nav__icon md-icon"></span> Fundamentals </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../single_file_components/ class=md-nav__link> <span class=md-ellipsis> Single-file components </span> </a> </li> <li class="md-nav__item md-nav__item--active"> <input class="md-nav__toggle md-toggle" type=checkbox id=__toc> <label class="md-nav__link md-nav__link--active" for=__toc> <span class=md-ellipsis> Components in Python </span> <span class="md-nav__icon md-icon"></span> </label> <a href=./ class="md-nav__link md-nav__link--active"> <span class=md-ellipsis> Components in Python </span> </a> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#inputs-of-render-and-render_to_response class=md-nav__link> <span class=md-ellipsis> Inputs of render and render_to_response </span> </a> <nav class=md-nav aria-label="Inputs of render and render_to_response"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#slotfunc class=md-nav__link> <span class=md-ellipsis> SlotFunc </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#response-class-of-render_to_response class=md-nav__link> <span class=md-ellipsis> Response class of render_to_response </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../access_component_input/ class=md-nav__link> <span class=md-ellipsis> Accessing component inputs </span> </a> </li> <li class=md-nav__item> <a href=../component_context_scope/ class=md-nav__link> <span class=md-ellipsis> Component context and scope </span> </a> </li> <li class=md-nav__item> <a href=../template_tag_syntax/ class=md-nav__link> <span class=md-ellipsis> Template tag syntax </span> </a> </li> <li class=md-nav__item> <a href=../slots/ class=md-nav__link> <span class=md-ellipsis> Slots </span> </a> </li> <li class=md-nav__item> <a href=../html_attributes/ class=md-nav__link> <span class=md-ellipsis> HTML attributes </span> </a> </li> <li class=md-nav__item> <a href=../defining_js_css_html_files/ class=md-nav__link> <span class=md-ellipsis> Defining HTML / JS / CSS files </span> </a> </li> <li class=md-nav__item> <a href=../autodiscovery/ class=md-nav__link> <span class=md-ellipsis> Autodiscovery </span> </a> </li> <li class=md-nav__item> <a href=../components_as_views/ class=md-nav__link> <span class=md-ellipsis> Components as views </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_2_3> <label class=md-nav__link for=__nav_2_3 id=__nav_2_3_label tabindex> <span class=md-ellipsis> Advanced </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_2_3_label aria-expanded=false> <label class=md-nav__title for=__nav_2_3> <span class="md-nav__icon md-icon"></span> Advanced </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../advanced/rendering_js_css/ class=md-nav__link> <span class=md-ellipsis> Rendering JS / CSS </span> </a> </li> <li class=md-nav__item> <a href=../../advanced/provide_inject/ class=md-nav__link> <span class=md-ellipsis> Prop drilling and provide / inject </span> </a> </li> <li class=md-nav__item> <a href=../../advanced/hooks/ class=md-nav__link> <span class=md-ellipsis> Lifecycle hooks </span> </a> </li> <li class=md-nav__item> <a href=../../advanced/component_registry/ class=md-nav__link> <span class=md-ellipsis> Registering components </span> </a> </li> <li class=md-nav__item> <a href=../../advanced/typing_and_validation/ class=md-nav__link> <span class=md-ellipsis> Typing and validation </span> </a> </li> <li class=md-nav__item> <a href=../../advanced/tag_formatter/ class=md-nav__link> <span class=md-ellipsis> Tag formatters </span> </a> </li> <li class=md-nav__item> <a href=../../advanced/authoring_component_libraries/ class=md-nav__link> <span class=md-ellipsis> Authoring component libraries </span> </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3> <label class=md-nav__link for=__nav_3 id=__nav_3_label tabindex=0> <span class=md-ellipsis> Guides </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_3_label aria-expanded=false> <label class=md-nav__title for=__nav_3> <span class="md-nav__icon md-icon"></span> Guides </label> <ul class=md-nav__list data-md-scrollfix> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3_1> <label class=md-nav__link for=__nav_3_1 id=__nav_3_1_label tabindex=0> <span class=md-ellipsis> Setup </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_1_label aria-expanded=false> <label class=md-nav__title for=__nav_3_1> <span class="md-nav__icon md-icon"></span> Setup </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../guides/setup/syntax_highlight/ class=md-nav__link> <span class=md-ellipsis> Syntax highlighting </span> </a> </li> <li class=md-nav__item> <a href=../../../guides/setup/dev_server_setup/ class=md-nav__link> <span class=md-ellipsis> Running with development server </span> </a> </li> <li class=md-nav__item> <a href=../../../guides/setup/logging_and_debugging/ class=md-nav__link> <span class=md-ellipsis> Logging and debugging </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3_2> <label class=md-nav__link for=__nav_3_2 id=__nav_3_2_label tabindex=0> <span class=md-ellipsis> Dev guides </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_2_label aria-expanded=false> <label class=md-nav__title for=__nav_3_2> <span class="md-nav__icon md-icon"></span> Dev guides </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../guides/devguides/dependency_mgmt/ class=md-nav__link> <span class=md-ellipsis> JS and CSS rendering </span> </a> </li> <li class=md-nav__item> <a href=../../../guides/devguides/slot_rendering/ class=md-nav__link> <span class=md-ellipsis> Slot rendering </span> </a> </li> <li class=md-nav__item> <a href=../../../guides/devguides/slots_and_blocks/ class=md-nav__link> <span class=md-ellipsis> Using slot and block tags </span> </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4> <label class=md-nav__link for=__nav_4 id=__nav_4_label tabindex=0> <span class=md-ellipsis> API Documentation </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_4_label aria-expanded=false> <label class=md-nav__title for=__nav_4> <span class="md-nav__icon md-icon"></span> API Documentation </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../reference/api/ class=md-nav__link> <span class=md-ellipsis> Api </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/commands/ class=md-nav__link> <span class=md-ellipsis> Commands </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/components/ class=md-nav__link> <span class=md-ellipsis> Components </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/exceptions/ class=md-nav__link> <span class=md-ellipsis> Exceptions </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/middlewares/ class=md-nav__link> <span class=md-ellipsis> Middlewares </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/settings/ class=md-nav__link> <span class=md-ellipsis> Settings </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/tag_formatters/ class=md-nav__link> <span class=md-ellipsis> Tag formatters </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/template_tags/ class=md-nav__link> <span class=md-ellipsis> Template tags </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/template_vars/ class=md-nav__link> <span class=md-ellipsis> Template vars </span> </a> </li> <li class=md-nav__item> <a href=../../../reference/urls/ class=md-nav__link> <span class=md-ellipsis> Urls </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../../../release_notes/ class=md-nav__link> <span class=md-ellipsis> Release notes </span> </a> </li> </ul> </nav> </div> </div> </div> <div class="md-sidebar md-sidebar--secondary" data-md-component=sidebar data-md-type=toc> <div class=md-sidebar__scrollwrap> <div class=md-sidebar__inner> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#inputs-of-render-and-render_to_response class=md-nav__link> <span class=md-ellipsis> Inputs of render and render_to_response </span> </a> <nav class=md-nav aria-label="Inputs of render and render_to_response"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#slotfunc class=md-nav__link> <span class=md-ellipsis> SlotFunc </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#response-class-of-render_to_response class=md-nav__link> <span class=md-ellipsis> Response class of render_to_response </span> </a> </li> </ul> </nav> </div> </div> </div> <div class=md-content data-md-component=content> <article class="md-content__inner md-typeset"> <a href=https://github.com/EmilStenstrom/django-components/edit/master/docs/concepts/fundamentals/components_in_python.md title="Edit this page" class="md-content__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4zm10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1z"/></svg> </a> <a href=https://github.com/EmilStenstrom/django-components/raw/master/docs/concepts/fundamentals/components_in_python.md title="View source of this page" class="md-content__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.2 8.2 0 0 1-1.23-2"/></svg> </a> <h1>Components in Python</h1> <p><em>New in version 0.81</em></p> <p>Components can be rendered outside of Django templates, calling them as regular functions ("React-style").</p> <p>The component class defines <code>render</code> and <code>render_to_response</code> class methods. These methods accept positional args, kwargs, and slots, offering the same flexibility as the <code>{% component %}</code> tag:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-0-1 name=__codelineno-0-1 href=#__codelineno-0-1></a><span class=k>class</span> <span class=nc>SimpleComponent</span><span class=p>(</span><span class=n>Component</span><span class=p>):</span>
<a id=__codelineno-0-2 name=__codelineno-0-2 href=#__codelineno-0-2></a> <span class=n>template</span> <span class=o>=</span> <span class=s2>&quot;&quot;&quot;</span>
<a id=__codelineno-0-3 name=__codelineno-0-3 href=#__codelineno-0-3></a><span class=s2> {</span><span class=si>% lo</span><span class=s2>ad component_tags %}</span>
<a id=__codelineno-0-4 name=__codelineno-0-4 href=#__codelineno-0-4></a><span class=s2> hello: {{ hello }}</span>
<a id=__codelineno-0-5 name=__codelineno-0-5 href=#__codelineno-0-5></a><span class=s2> foo: {{ foo }}</span>
<a id=__codelineno-0-6 name=__codelineno-0-6 href=#__codelineno-0-6></a><span class=s2> kwargs: {{ kwargs|safe }}</span>
<a id=__codelineno-0-7 name=__codelineno-0-7 href=#__codelineno-0-7></a><span class=s2> slot_first: {</span><span class=si>% s</span><span class=s2>lot &quot;first&quot; required / %}</span>
<a id=__codelineno-0-8 name=__codelineno-0-8 href=#__codelineno-0-8></a><span class=s2> &quot;&quot;&quot;</span>
<a id=__codelineno-0-9 name=__codelineno-0-9 href=#__codelineno-0-9></a>
<a id=__codelineno-0-10 name=__codelineno-0-10 href=#__codelineno-0-10></a> <span class=k>def</span> <span class=nf>get_context_data</span><span class=p>(</span><span class=bp>self</span><span class=p>,</span> <span class=n>arg1</span><span class=p>,</span> <span class=n>arg2</span><span class=p>,</span> <span class=o>**</span><span class=n>kwargs</span><span class=p>):</span>
<a id=__codelineno-0-11 name=__codelineno-0-11 href=#__codelineno-0-11></a> <span class=k>return</span> <span class=p>{</span>
<a id=__codelineno-0-12 name=__codelineno-0-12 href=#__codelineno-0-12></a> <span class=s2>&quot;hello&quot;</span><span class=p>:</span> <span class=n>arg1</span><span class=p>,</span>
<a id=__codelineno-0-13 name=__codelineno-0-13 href=#__codelineno-0-13></a> <span class=s2>&quot;foo&quot;</span><span class=p>:</span> <span class=n>arg2</span><span class=p>,</span>
<a id=__codelineno-0-14 name=__codelineno-0-14 href=#__codelineno-0-14></a> <span class=s2>&quot;kwargs&quot;</span><span class=p>:</span> <span class=n>kwargs</span><span class=p>,</span>
<a id=__codelineno-0-15 name=__codelineno-0-15 href=#__codelineno-0-15></a> <span class=p>}</span>
<a id=__codelineno-0-16 name=__codelineno-0-16 href=#__codelineno-0-16></a>
<a id=__codelineno-0-17 name=__codelineno-0-17 href=#__codelineno-0-17></a><span class=n>rendered</span> <span class=o>=</span> <span class=n>SimpleComponent</span><span class=o>.</span><span class=n>render</span><span class=p>(</span>
<a id=__codelineno-0-18 name=__codelineno-0-18 href=#__codelineno-0-18></a> <span class=n>args</span><span class=o>=</span><span class=p>[</span><span class=s2>&quot;world&quot;</span><span class=p>,</span> <span class=s2>&quot;bar&quot;</span><span class=p>],</span>
<a id=__codelineno-0-19 name=__codelineno-0-19 href=#__codelineno-0-19></a> <span class=n>kwargs</span><span class=o>=</span><span class=p>{</span><span class=s2>&quot;kw1&quot;</span><span class=p>:</span> <span class=s2>&quot;test&quot;</span><span class=p>,</span> <span class=s2>&quot;kw2&quot;</span><span class=p>:</span> <span class=s2>&quot;ooo&quot;</span><span class=p>},</span>
<a id=__codelineno-0-20 name=__codelineno-0-20 href=#__codelineno-0-20></a> <span class=n>slots</span><span class=o>=</span><span class=p>{</span><span class=s2>&quot;first&quot;</span><span class=p>:</span> <span class=s2>&quot;FIRST_SLOT&quot;</span><span class=p>},</span>
<a id=__codelineno-0-21 name=__codelineno-0-21 href=#__codelineno-0-21></a> <span class=n>context</span><span class=o>=</span><span class=p>{</span><span class=s2>&quot;from_context&quot;</span><span class=p>:</span> <span class=mi>98</span><span class=p>},</span>
<a id=__codelineno-0-22 name=__codelineno-0-22 href=#__codelineno-0-22></a><span class=p>)</span>
</code></pre></div> <p>Renders:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-1-1 name=__codelineno-1-1 href=#__codelineno-1-1></a>hello: world
<a id=__codelineno-1-2 name=__codelineno-1-2 href=#__codelineno-1-2></a>foo: bar
<a id=__codelineno-1-3 name=__codelineno-1-3 href=#__codelineno-1-3></a>kwargs: {&#39;kw1&#39;: &#39;test&#39;, &#39;kw2&#39;: &#39;ooo&#39;}
<a id=__codelineno-1-4 name=__codelineno-1-4 href=#__codelineno-1-4></a>slot_first: FIRST_SLOT
</code></pre></div> <h2 id=inputs-of-render-and-render_to_response>Inputs of <code>render</code> and <code>render_to_response</code><a class=headerlink href=#inputs-of-render-and-render_to_response title="Permanent link">¤</a></h2> <p>Both <code>render</code> and <code>render_to_response</code> accept the same input:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-2-1 name=__codelineno-2-1 href=#__codelineno-2-1></a><span class=n>Component</span><span class=o>.</span><span class=n>render</span><span class=p>(</span>
<a id=__codelineno-2-2 name=__codelineno-2-2 href=#__codelineno-2-2></a> <span class=n>context</span><span class=p>:</span> <span class=n>Mapping</span> <span class=o>|</span> <span class=n>django</span><span class=o>.</span><span class=n>template</span><span class=o>.</span><span class=n>Context</span> <span class=o>|</span> <span class=kc>None</span> <span class=o>=</span> <span class=kc>None</span><span class=p>,</span>
<a id=__codelineno-2-3 name=__codelineno-2-3 href=#__codelineno-2-3></a> <span class=n>args</span><span class=p>:</span> <span class=n>List</span><span class=p>[</span><span class=n>Any</span><span class=p>]</span> <span class=o>|</span> <span class=kc>None</span> <span class=o>=</span> <span class=kc>None</span><span class=p>,</span>
<a id=__codelineno-2-4 name=__codelineno-2-4 href=#__codelineno-2-4></a> <span class=n>kwargs</span><span class=p>:</span> <span class=n>Dict</span><span class=p>[</span><span class=nb>str</span><span class=p>,</span> <span class=n>Any</span><span class=p>]</span> <span class=o>|</span> <span class=kc>None</span> <span class=o>=</span> <span class=kc>None</span><span class=p>,</span>
<a id=__codelineno-2-5 name=__codelineno-2-5 href=#__codelineno-2-5></a> <span class=n>slots</span><span class=p>:</span> <span class=n>Dict</span><span class=p>[</span><span class=nb>str</span><span class=p>,</span> <span class=nb>str</span> <span class=o>|</span> <span class=n>SafeString</span> <span class=o>|</span> <span class=n>SlotFunc</span><span class=p>]</span> <span class=o>|</span> <span class=kc>None</span> <span class=o>=</span> <span class=kc>None</span><span class=p>,</span>
<a id=__codelineno-2-6 name=__codelineno-2-6 href=#__codelineno-2-6></a> <span class=n>escape_slots_content</span><span class=p>:</span> <span class=nb>bool</span> <span class=o>=</span> <span class=kc>True</span>
<a id=__codelineno-2-7 name=__codelineno-2-7 href=#__codelineno-2-7></a><span class=p>)</span> <span class=o>-&gt;</span> <span class=nb>str</span><span class=p>:</span>
</code></pre></div> <ul> <li> <p><em><code>args</code></em> - Positional args for the component. This is the same as calling the component as <code>{% component "my_comp" arg1 arg2 ... %}</code></p> </li> <li> <p><em><code>kwargs</code></em> - Keyword args for the component. This is the same as calling the component as <code>{% component "my_comp" key1=val1 key2=val2 ... %}</code></p> </li> <li> <p><em><code>slots</code></em> - Component slot fills. This is the same as pasing <code>{% fill %}</code> tags to the component. Accepts a dictionary of <code>{ slot_name: slot_content }</code> where <code>slot_content</code> can be a string or <a href=#slotfunc><code>SlotFunc</code></a>.</p> </li> <li> <p><em><code>escape_slots_content</code></em> - Whether the content from <code>slots</code> should be escaped. <code>True</code> by default to prevent XSS attacks. If you disable escaping, you should make sure that any content you pass to the slots is safe, especially if it comes from user input.</p> </li> <li> <p><em><code>context</code></em> - A context (dictionary or Django's Context) within which the component is rendered. The keys on the context can be accessed from within the template.</p> </li> <li> <p>NOTE: In "isolated" mode, context is NOT accessible, and data MUST be passed via component's args and kwargs.</p> </li> <li> <p><em><code>request</code></em> - A Django request object. This is used to enable Django template <code>context_processors</code> to run,<br> allowing for template tags like <code>{% csrf_token %}</code> and variables like <code>{{ debug }}</code>. </p> </li> <li>Similar behavior can be achieved with <a href=#how-to-use-provide--inject>provide / inject</a>.</li> <li>This is used internally to convert <code>context</code> to a RequestContext. It does nothing if <code>context</code> is already a <code>Context</code> instance.</li> </ul> <h3 id=slotfunc><code>SlotFunc</code><a class=headerlink href=#slotfunc title="Permanent link">¤</a></h3> <p>When rendering components with slots in <code>render</code> or <code>render_to_response</code>, you can pass either a string or a function.</p> <p>The function has following signature:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-3-1 name=__codelineno-3-1 href=#__codelineno-3-1></a><span class=k>def</span> <span class=nf>render_func</span><span class=p>(</span>
<a id=__codelineno-3-2 name=__codelineno-3-2 href=#__codelineno-3-2></a> <span class=n>context</span><span class=p>:</span> <span class=n>Context</span><span class=p>,</span>
<a id=__codelineno-3-3 name=__codelineno-3-3 href=#__codelineno-3-3></a> <span class=n>data</span><span class=p>:</span> <span class=n>Dict</span><span class=p>[</span><span class=nb>str</span><span class=p>,</span> <span class=n>Any</span><span class=p>],</span>
<a id=__codelineno-3-4 name=__codelineno-3-4 href=#__codelineno-3-4></a> <span class=n>slot_ref</span><span class=p>:</span> <span class=n>SlotRef</span><span class=p>,</span>
<a id=__codelineno-3-5 name=__codelineno-3-5 href=#__codelineno-3-5></a><span class=p>)</span> <span class=o>-&gt;</span> <span class=nb>str</span> <span class=o>|</span> <span class=n>SafeString</span><span class=p>:</span>
<a id=__codelineno-3-6 name=__codelineno-3-6 href=#__codelineno-3-6></a> <span class=k>return</span> <span class=n>nodelist</span><span class=o>.</span><span class=n>render</span><span class=p>(</span><span class=n>ctx</span><span class=p>)</span>
</code></pre></div> <ul> <li><em><code>context</code></em> - Django's Context available to the Slot Node.</li> <li><em><code>data</code></em> - Data passed to the <code>{% slot %}</code> tag. See <a href=#scoped-slots>Scoped Slots</a>.</li> <li><em><code>slot_ref</code></em> - The default slot content. See <a href=#accessing-original-content-of-slots>Accessing original content of slots</a>.</li> <li>NOTE: The slot is lazily evaluated. To render the slot, convert it to string with <code>str(slot_ref)</code>.</li> </ul> <p>Example:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-4-1 name=__codelineno-4-1 href=#__codelineno-4-1></a><span class=k>def</span> <span class=nf>footer_slot</span><span class=p>(</span><span class=n>ctx</span><span class=p>,</span> <span class=n>data</span><span class=p>,</span> <span class=n>slot_ref</span><span class=p>):</span>
<a id=__codelineno-4-2 name=__codelineno-4-2 href=#__codelineno-4-2></a> <span class=k>return</span> <span class=sa>f</span><span class=s2>&quot;&quot;&quot;</span>
<a id=__codelineno-4-3 name=__codelineno-4-3 href=#__codelineno-4-3></a><span class=s2> SLOT_DATA: </span><span class=si>{</span><span class=n>data</span><span class=p>[</span><span class=s1>&#39;abc&#39;</span><span class=p>]</span><span class=si>}</span>
<a id=__codelineno-4-4 name=__codelineno-4-4 href=#__codelineno-4-4></a><span class=s2> ORIGINAL: </span><span class=si>{</span><span class=n>slot_ref</span><span class=si>}</span>
<a id=__codelineno-4-5 name=__codelineno-4-5 href=#__codelineno-4-5></a><span class=s2> &quot;&quot;&quot;</span>
<a id=__codelineno-4-6 name=__codelineno-4-6 href=#__codelineno-4-6></a>
<a id=__codelineno-4-7 name=__codelineno-4-7 href=#__codelineno-4-7></a><span class=n>MyComponent</span><span class=o>.</span><span class=n>render_to_response</span><span class=p>(</span>
<a id=__codelineno-4-8 name=__codelineno-4-8 href=#__codelineno-4-8></a> <span class=n>slots</span><span class=o>=</span><span class=p>{</span>
<a id=__codelineno-4-9 name=__codelineno-4-9 href=#__codelineno-4-9></a> <span class=s2>&quot;footer&quot;</span><span class=p>:</span> <span class=n>footer_slot</span><span class=p>,</span>
<a id=__codelineno-4-10 name=__codelineno-4-10 href=#__codelineno-4-10></a> <span class=p>},</span>
<a id=__codelineno-4-11 name=__codelineno-4-11 href=#__codelineno-4-11></a><span class=p>)</span>
</code></pre></div> <h2 id=response-class-of-render_to_response>Response class of <code>render_to_response</code><a class=headerlink href=#response-class-of-render_to_response title="Permanent link">¤</a></h2> <p>While <code>render</code> method returns a plain string, <code>render_to_response</code> wraps the rendered content in a "Response" class. By default, this is <code>django.http.HttpResponse</code>.</p> <p>If you want to use a different Response class in <code>render_to_response</code>, set the <code>Component.response_class</code> attribute:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-5-1 name=__codelineno-5-1 href=#__codelineno-5-1></a><span class=k>class</span> <span class=nc>MyResponse</span><span class=p>(</span><span class=n>HttpResponse</span><span class=p>):</span>
<a id=__codelineno-5-2 name=__codelineno-5-2 href=#__codelineno-5-2></a> <span class=k>def</span> <span class=fm>__init__</span><span class=p>(</span><span class=bp>self</span><span class=p>,</span> <span class=o>*</span><span class=n>args</span><span class=p>,</span> <span class=o>**</span><span class=n>kwargs</span><span class=p>)</span> <span class=o>-&gt;</span> <span class=kc>None</span><span class=p>:</span>
<a id=__codelineno-5-3 name=__codelineno-5-3 href=#__codelineno-5-3></a> <span class=nb>super</span><span class=p>()</span><span class=o>.</span><span class=fm>__init__</span><span class=p>(</span><span class=o>*</span><span class=n>args</span><span class=p>,</span> <span class=o>**</span><span class=n>kwargs</span><span class=p>)</span>
<a id=__codelineno-5-4 name=__codelineno-5-4 href=#__codelineno-5-4></a> <span class=c1># Configure response</span>
<a id=__codelineno-5-5 name=__codelineno-5-5 href=#__codelineno-5-5></a> <span class=bp>self</span><span class=o>.</span><span class=n>headers</span> <span class=o>=</span> <span class=o>...</span>
<a id=__codelineno-5-6 name=__codelineno-5-6 href=#__codelineno-5-6></a> <span class=bp>self</span><span class=o>.</span><span class=n>status</span> <span class=o>=</span> <span class=o>...</span>
<a id=__codelineno-5-7 name=__codelineno-5-7 href=#__codelineno-5-7></a>
<a id=__codelineno-5-8 name=__codelineno-5-8 href=#__codelineno-5-8></a><span class=k>class</span> <span class=nc>SimpleComponent</span><span class=p>(</span><span class=n>Component</span><span class=p>):</span>
<a id=__codelineno-5-9 name=__codelineno-5-9 href=#__codelineno-5-9></a> <span class=n>response_class</span> <span class=o>=</span> <span class=n>MyResponse</span>
<a id=__codelineno-5-10 name=__codelineno-5-10 href=#__codelineno-5-10></a> <span class=n>template</span><span class=p>:</span> <span class=n>types</span><span class=o>.</span><span class=n>django_html</span> <span class=o>=</span> <span class=s2>&quot;HELLO&quot;</span>
<a id=__codelineno-5-11 name=__codelineno-5-11 href=#__codelineno-5-11></a>
<a id=__codelineno-5-12 name=__codelineno-5-12 href=#__codelineno-5-12></a><span class=n>response</span> <span class=o>=</span> <span class=n>SimpleComponent</span><span class=o>.</span><span class=n>render_to_response</span><span class=p>()</span>
<a id=__codelineno-5-13 name=__codelineno-5-13 href=#__codelineno-5-13></a><span class=k>assert</span> <span class=nb>isinstance</span><span class=p>(</span><span class=n>response</span><span class=p>,</span> <span class=n>MyResponse</span><span class=p>)</span>
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