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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/getting_started/your_first_component/ rel=canonical><link href=../../../overview/license/ rel=prev><link href=../adding_js_and_css/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.6.1, mkdocs-material-9.5.49"><title>Create your first component - 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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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 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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=true> <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 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> Create your first component </span> <span class="md-nav__icon md-icon"></span> </label> <a href=./ class="md-nav__link md-nav__link--active"> <span class=md-ellipsis> Create your first component </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=#1-create-project-structure class=md-nav__link> <span class=md-ellipsis> 1. Create project structure </span> </a> </li> <li class=md-nav__item> <a href=#2-write-django-template class=md-nav__link> <span class=md-ellipsis> 2. Write Django template </span> </a> </li> <li class=md-nav__item> <a href=#3-create-new-component-in-python class=md-nav__link> <span class=md-ellipsis> 3. Create new Component in Python </span> </a> </li> <li class=md-nav__item> <a href=#4-define-the-template-variables class=md-nav__link> <span class=md-ellipsis> 4. Define the template variables </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../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=../components_in_templates/ class=md-nav__link> <span class=md-ellipsis> Components in templates </span> </a> </li> <li class=md-nav__item> <a href=../parametrising_components/ class=md-nav__link> <span class=md-ellipsis> Parametrising components </span> </a> </li> <li class=md-nav__item> <a href=../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--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_2_2> <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=false> <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=../../fundamentals/single_file_components/ class=md-nav__link> <span class=md-ellipsis> Single-file components </span> </a> </li> <li class=md-nav__item> <a href=../../fundamentals/components_in_python/ class=md-nav__link> <span class=md-ellipsis> Components in Python </span> </a> </li> <li class=md-nav__item> <a href=../../fundamentals/access_component_input/ class=md-nav__link> <span class=md-ellipsis> Accessing component inputs </span> </a> </li> <li class=md-nav__item> <a href=../../fundamentals/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=../../fundamentals/template_tag_syntax/ class=md-nav__link> <span class=md-ellipsis> Template tag syntax </span> </a> </li> <li class=md-nav__item> <a href=../../fundamentals/slots/ class=md-nav__link> <span class=md-ellipsis> Slots </span> </a> </li> <li class=md-nav__item> <a href=../../fundamentals/html_attributes/ class=md-nav__link> <span class=md-ellipsis> HTML attributes </span> </a> </li> <li class=md-nav__item> <a href=../../fundamentals/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=../../fundamentals/autodiscovery/ class=md-nav__link> <span class=md-ellipsis> Autodiscovery </span> </a> </li> <li class=md-nav__item> <a href=../../fundamentals/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/html_tragments/ class=md-nav__link> <span class=md-ellipsis> HTML fragments </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=#1-create-project-structure class=md-nav__link> <span class=md-ellipsis> 1. Create project structure </span> </a> </li> <li class=md-nav__item> <a href=#2-write-django-template class=md-nav__link> <span class=md-ellipsis> 2. Write Django template </span> </a> </li> <li class=md-nav__item> <a href=#3-create-new-component-in-python class=md-nav__link> <span class=md-ellipsis> 3. Create new Component in Python </span> </a> </li> <li class=md-nav__item> <a href=#4-define-the-template-variables class=md-nav__link> <span class=md-ellipsis> 4. Define the template variables </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/getting_started/your_first_component.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/getting_started/your_first_component.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>Create your first component</h1> <p>A component in django-components can be as simple as a Django template and Python code to declare the component:</p> <div class=highlight><span class=filename>calendar.html</span><pre><span></span><code><a id=__codelineno-0-1 name=__codelineno-0-1 href=#__codelineno-0-1></a><span class=p><</span><span class=nt>div</span> <span class=na>class</span><span class=o>=</span><span class=s>"calendar"</span><span class=p>></span>
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<a id=__codelineno-0-2 name=__codelineno-0-2 href=#__codelineno-0-2></a> Today's date is <span class=p><</span><span class=nt>span</span><span class=p>></span><span class=cp>{{</span> <span class=nv>date</span> <span class=cp>}}</span><span class=p></</span><span class=nt>span</span><span class=p>></span>
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<a id=__codelineno-0-3 name=__codelineno-0-3 href=#__codelineno-0-3></a><span class=p></</span><span class=nt>div</span><span class=p>></span>
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</code></pre></div> <div class=highlight><span class=filename>calendar.py</span><pre><span></span><code><a id=__codelineno-1-1 name=__codelineno-1-1 href=#__codelineno-1-1></a><span class=kn>from</span><span class=w> </span><span class=nn>django_components</span><span class=w> </span><span class=kn>import</span> <span class=n>Component</span>
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<a id=__codelineno-1-2 name=__codelineno-1-2 href=#__codelineno-1-2></a>
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<a id=__codelineno-1-3 name=__codelineno-1-3 href=#__codelineno-1-3></a><span class=k>class</span><span class=w> </span><span class=nc>Calendar</span><span class=p>(</span><span class=n>Component</span><span class=p>):</span>
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<a id=__codelineno-1-4 name=__codelineno-1-4 href=#__codelineno-1-4></a> <span class=n>template_file</span> <span class=o>=</span> <span class=s2>"calendar.html"</span>
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</code></pre></div> <p>Or a combination of Django template, Python, CSS, and Javascript:</p> <div class=highlight><span class=filename>calendar.html</span><pre><span></span><code><a id=__codelineno-2-1 name=__codelineno-2-1 href=#__codelineno-2-1></a><span class=p><</span><span class=nt>div</span> <span class=na>class</span><span class=o>=</span><span class=s>"calendar"</span><span class=p>></span>
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<a id=__codelineno-2-2 name=__codelineno-2-2 href=#__codelineno-2-2></a> Today's date is <span class=p><</span><span class=nt>span</span><span class=p>></span><span class=cp>{{</span> <span class=nv>date</span> <span class=cp>}}</span><span class=p></</span><span class=nt>span</span><span class=p>></span>
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<a id=__codelineno-2-3 name=__codelineno-2-3 href=#__codelineno-2-3></a><span class=p></</span><span class=nt>div</span><span class=p>></span>
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</code></pre></div> <div class=highlight><span class=filename>calendar.css</span><pre><span></span><code><a id=__codelineno-3-1 name=__codelineno-3-1 href=#__codelineno-3-1></a><span class=p>.</span><span class=nc>calendar</span><span class=w> </span><span class=p>{</span>
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<a id=__codelineno-3-2 name=__codelineno-3-2 href=#__codelineno-3-2></a><span class=w> </span><span class=k>width</span><span class=p>:</span><span class=w> </span><span class=mi>200</span><span class=kt>px</span><span class=p>;</span>
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<a id=__codelineno-3-3 name=__codelineno-3-3 href=#__codelineno-3-3></a><span class=w> </span><span class=k>background</span><span class=p>:</span><span class=w> </span><span class=kc>pink</span><span class=p>;</span>
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<a id=__codelineno-3-4 name=__codelineno-3-4 href=#__codelineno-3-4></a><span class=p>}</span>
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</code></pre></div> <div class=highlight><span class=filename>calendar.js</span><pre><span></span><code><a id=__codelineno-4-1 name=__codelineno-4-1 href=#__codelineno-4-1></a><span class=nb>document</span><span class=p>.</span><span class=nx>querySelector</span><span class=p>(</span><span class=s2>".calendar"</span><span class=p>).</span><span class=nx>onclick</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=kd>function</span><span class=w> </span><span class=p>()</span><span class=w> </span><span class=p>{</span>
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<a id=__codelineno-4-2 name=__codelineno-4-2 href=#__codelineno-4-2></a><span class=w> </span><span class=nx>alert</span><span class=p>(</span><span class=s2>"Clicked calendar!"</span><span class=p>);</span>
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<a id=__codelineno-4-3 name=__codelineno-4-3 href=#__codelineno-4-3></a><span class=p>};</span>
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</code></pre></div> <div class=highlight><span class=filename>calendar.py</span><pre><span></span><code><a id=__codelineno-5-1 name=__codelineno-5-1 href=#__codelineno-5-1></a><span class=kn>from</span><span class=w> </span><span class=nn>django_components</span><span class=w> </span><span class=kn>import</span> <span class=n>Component</span>
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<a id=__codelineno-5-2 name=__codelineno-5-2 href=#__codelineno-5-2></a>
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<a id=__codelineno-5-3 name=__codelineno-5-3 href=#__codelineno-5-3></a><span class=k>class</span><span class=w> </span><span class=nc>Calendar</span><span class=p>(</span><span class=n>Component</span><span class=p>):</span>
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<a id=__codelineno-5-4 name=__codelineno-5-4 href=#__codelineno-5-4></a> <span class=n>template_file</span> <span class=o>=</span> <span class=s2>"calendar.html"</span>
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<a id=__codelineno-5-5 name=__codelineno-5-5 href=#__codelineno-5-5></a> <span class=n>js_file</span> <span class=o>=</span> <span class=s2>"calendar.js"</span>
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<a id=__codelineno-5-6 name=__codelineno-5-6 href=#__codelineno-5-6></a> <span class=n>css_file</span> <span class=o>=</span> <span class=s2>"calendar.css"</span>
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</code></pre></div> <p>Alternatively, you can "inline" HTML, JS, and CSS right into the component class:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-6-1 name=__codelineno-6-1 href=#__codelineno-6-1></a><span class=kn>from</span><span class=w> </span><span class=nn>django_components</span><span class=w> </span><span class=kn>import</span> <span class=n>Component</span>
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<a id=__codelineno-6-2 name=__codelineno-6-2 href=#__codelineno-6-2></a>
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<a id=__codelineno-6-3 name=__codelineno-6-3 href=#__codelineno-6-3></a><span class=k>class</span><span class=w> </span><span class=nc>Calendar</span><span class=p>(</span><span class=n>Component</span><span class=p>):</span>
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<a id=__codelineno-6-4 name=__codelineno-6-4 href=#__codelineno-6-4></a> <span class=n>template</span> <span class=o>=</span> <span class=s2>"""</span>
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<a id=__codelineno-6-5 name=__codelineno-6-5 href=#__codelineno-6-5></a><span class=s2> <div class="calendar"></span>
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<a id=__codelineno-6-6 name=__codelineno-6-6 href=#__codelineno-6-6></a><span class=s2> Today's date is <span>{{ date }}</span></span>
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<a id=__codelineno-6-7 name=__codelineno-6-7 href=#__codelineno-6-7></a><span class=s2> </div></span>
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<a id=__codelineno-6-8 name=__codelineno-6-8 href=#__codelineno-6-8></a><span class=s2> """</span>
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<a id=__codelineno-6-9 name=__codelineno-6-9 href=#__codelineno-6-9></a>
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<a id=__codelineno-6-10 name=__codelineno-6-10 href=#__codelineno-6-10></a> <span class=n>css</span> <span class=o>=</span> <span class=s2>"""</span>
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<a id=__codelineno-6-11 name=__codelineno-6-11 href=#__codelineno-6-11></a><span class=s2> .calendar {</span>
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<a id=__codelineno-6-12 name=__codelineno-6-12 href=#__codelineno-6-12></a><span class=s2> width: 200px;</span>
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<a id=__codelineno-6-13 name=__codelineno-6-13 href=#__codelineno-6-13></a><span class=s2> background: pink;</span>
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<a id=__codelineno-6-14 name=__codelineno-6-14 href=#__codelineno-6-14></a><span class=s2> }</span>
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<a id=__codelineno-6-15 name=__codelineno-6-15 href=#__codelineno-6-15></a><span class=s2> """</span>
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<a id=__codelineno-6-16 name=__codelineno-6-16 href=#__codelineno-6-16></a>
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<a id=__codelineno-6-17 name=__codelineno-6-17 href=#__codelineno-6-17></a> <span class=n>js</span> <span class=o>=</span> <span class=s2>"""</span>
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<a id=__codelineno-6-18 name=__codelineno-6-18 href=#__codelineno-6-18></a><span class=s2> document.querySelector(".calendar").onclick = function () {</span>
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<a id=__codelineno-6-19 name=__codelineno-6-19 href=#__codelineno-6-19></a><span class=s2> alert("Clicked calendar!");</span>
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<a id=__codelineno-6-20 name=__codelineno-6-20 href=#__codelineno-6-20></a><span class=s2> };</span>
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<a id=__codelineno-6-21 name=__codelineno-6-21 href=#__codelineno-6-21></a><span class=s2> """</span>
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</code></pre></div> <div class="admonition note"> <p class=admonition-title>Note</p> <p>If you "inline" the HTML, JS and CSS code into the Python class, you can set up <a href=../../../guides/setup/syntax_highlight/ >syntax highlighting</a> for better experience. However, autocompletion / intellisense does not work with syntax highlighting.</p> </div> <p>We'll start by creating a component that defines only a Django template:</p> <h3 id=1-create-project-structure>1. Create project structure<a class=headerlink href=#1-create-project-structure title="Permanent link">¤</a></h3> <p>Start by creating empty <code>calendar.py</code> and <code>calendar.html</code> files:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-7-1 name=__codelineno-7-1 href=#__codelineno-7-1></a>sampleproject/
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<a id=__codelineno-7-2 name=__codelineno-7-2 href=#__codelineno-7-2></a>├── calendarapp/
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<a id=__codelineno-7-3 name=__codelineno-7-3 href=#__codelineno-7-3></a>├── components/ 🆕
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<a id=__codelineno-7-4 name=__codelineno-7-4 href=#__codelineno-7-4></a>│ └── calendar/ 🆕
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<a id=__codelineno-7-5 name=__codelineno-7-5 href=#__codelineno-7-5></a>│ ├── calendar.py 🆕
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<a id=__codelineno-7-6 name=__codelineno-7-6 href=#__codelineno-7-6></a>│ └── calendar.html 🆕
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<a id=__codelineno-7-7 name=__codelineno-7-7 href=#__codelineno-7-7></a>├── sampleproject/
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<a id=__codelineno-7-8 name=__codelineno-7-8 href=#__codelineno-7-8></a>├── manage.py
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<a id=__codelineno-7-9 name=__codelineno-7-9 href=#__codelineno-7-9></a>└── requirements.txt
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</code></pre></div> <h3 id=2-write-django-template>2. Write Django template<a class=headerlink href=#2-write-django-template title="Permanent link">¤</a></h3> <p>Inside <code>calendar.html</code>, write:</p> <div class=highlight><span class=filename>[project root]/components/calendar/calendar.html</span><pre><span></span><code><a id=__codelineno-8-1 name=__codelineno-8-1 href=#__codelineno-8-1></a><span class=p><</span><span class=nt>div</span> <span class=na>class</span><span class=o>=</span><span class=s>"calendar"</span><span class=p>></span>
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<a id=__codelineno-8-2 name=__codelineno-8-2 href=#__codelineno-8-2></a> Today's date is <span class=p><</span><span class=nt>span</span><span class=p>></span><span class=cp>{{</span> <span class=nv>date</span> <span class=cp>}}</span><span class=p></</span><span class=nt>span</span><span class=p>></span>
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<a id=__codelineno-8-3 name=__codelineno-8-3 href=#__codelineno-8-3></a><span class=p></</span><span class=nt>div</span><span class=p>></span>
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</code></pre></div> <p>In this example we've defined one template variable <code>date</code>. You can use any and as many variables as you like. These variables will be defined in the Python file in <a href=../../../reference/api#django_components.Component.get_context_data><code>get_context_data()</code></a> when creating an instance of this component.</p> <div class="admonition note"> <p class=admonition-title>Note</p> <p>The template will be rendered with whatever template backend you've specified in your Django settings file.</p> <p>Currently django-components supports only the default <code>"django.template.backends.django.DjangoTemplates"</code> template backend!</p> </div> <h3 id=3-create-new-component-in-python>3. Create new Component in Python<a class=headerlink href=#3-create-new-component-in-python title="Permanent link">¤</a></h3> <p>In <code>calendar.py</code>, create a subclass of <a href=../../../reference/api#django_components.Component>Component</a> to create a new component.</p> <p>To link the HTML template with our component, set <a href=../../../reference/api#django_components.Component.template_file><code>template_file</code></a> to the name of the HTML file.</p> <div class=highlight><span class=filename>[project root]/components/calendar/calendar.py</span><pre><span></span><code><a id=__codelineno-9-1 name=__codelineno-9-1 href=#__codelineno-9-1></a><span class=kn>from</span><span class=w> </span><span class=nn>django_components</span><span class=w> </span><span class=kn>import</span> <span class=n>Component</span>
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<a id=__codelineno-9-2 name=__codelineno-9-2 href=#__codelineno-9-2></a>
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<a id=__codelineno-9-3 name=__codelineno-9-3 href=#__codelineno-9-3></a><span class=k>class</span><span class=w> </span><span class=nc>Calendar</span><span class=p>(</span><span class=n>Component</span><span class=p>):</span>
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<a id=__codelineno-9-4 name=__codelineno-9-4 href=#__codelineno-9-4></a> <span class=n>template_file</span> <span class=o>=</span> <span class=s2>"calendar.html"</span>
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</code></pre></div> <div class="admonition note"> <p class=admonition-title>Note</p> <p>The path to the template file can be either:</p> <ol> <li>Relative to the component's python file (as seen above),</li> <li>Relative to any of the component directories as defined by <a href=../../../reference/settings/#django_components.app_settings.ComponentsSettings.dirs><code>COMPONENTS.dirs</code></a> and/or <a href=../../../reference/settings/#django_components.app_settings.ComponentsSettings.app_dirs><code>COMPONENTS.app_dirs</code></a> (e.g. <code>[your apps]/components</code> dir and <code>[project root]/components</code>)</li> </ol> </div> <h3 id=4-define-the-template-variables>4. Define the template variables<a class=headerlink href=#4-define-the-template-variables title="Permanent link">¤</a></h3> <p>In <code>calendar.html</code>, we've used the variable <code>date</code>. So we need to define it for the template to work.</p> <p>This is done using <a href=../../../reference/api#django_components.Component.get_context_data><code>Component.get_context_data()</code></a>. It's a function that returns a dictionary. The entries in this dictionary will become available within the template as variables, e.g. as <code>{{ date }}</code>.</p> <div class=highlight><span class=filename>[project root]/components/calendar/calendar.py</span><pre><span></span><code><a id=__codelineno-10-1 name=__codelineno-10-1 href=#__codelineno-10-1></a><span class=kn>from</span><span class=w> </span><span class=nn>django_components</span><span class=w> </span><span class=kn>import</span> <span class=n>Component</span>
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<a id=__codelineno-10-2 name=__codelineno-10-2 href=#__codelineno-10-2></a>
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<a id=__codelineno-10-3 name=__codelineno-10-3 href=#__codelineno-10-3></a><span class=k>class</span><span class=w> </span><span class=nc>Calendar</span><span class=p>(</span><span class=n>Component</span><span class=p>):</span>
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<a id=__codelineno-10-4 name=__codelineno-10-4 href=#__codelineno-10-4></a> <span class=n>template_file</span> <span class=o>=</span> <span class=s2>"calendar.html"</span>
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<a id=__codelineno-10-5 name=__codelineno-10-5 href=#__codelineno-10-5></a>
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<a id=__codelineno-10-6 name=__codelineno-10-6 href=#__codelineno-10-6></a> <span class=k>def</span><span class=w> </span><span class=nf>get_context_data</span><span class=p>(</span><span class=bp>self</span><span class=p>):</span>
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<a id=__codelineno-10-7 name=__codelineno-10-7 href=#__codelineno-10-7></a> <span class=k>return</span> <span class=p>{</span>
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<a id=__codelineno-10-8 name=__codelineno-10-8 href=#__codelineno-10-8></a> <span class=s2>"date"</span><span class=p>:</span> <span class=s2>"1970-01-01"</span><span class=p>,</span>
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<a id=__codelineno-10-9 name=__codelineno-10-9 href=#__codelineno-10-9></a> <span class=p>}</span>
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</code></pre></div> <p>Now, when we render the component with <a href=../../../reference/api#django_components.Component.render><code>Component.render()</code></a> method:</p> <div class=highlight><pre><span></span><code><a id=__codelineno-11-1 name=__codelineno-11-1 href=#__codelineno-11-1></a><span class=n>Calendar</span><span class=o>.</span><span class=n>render</span><span class=p>()</span>
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</code></pre></div> <p>It will output</p> <div class=highlight><pre><span></span><code><a id=__codelineno-12-1 name=__codelineno-12-1 href=#__codelineno-12-1></a><span class=p><</span><span class=nt>div</span> <span class=na>class</span><span class=o>=</span><span class=s>"calendar"</span><span class=p>></span>
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<a id=__codelineno-12-2 name=__codelineno-12-2 href=#__codelineno-12-2></a> Today's date is <span class=p><</span><span class=nt>span</span><span class=p>></span>1970-01-01<span class=p></</span><span class=nt>span</span><span class=p>></span>
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<a id=__codelineno-12-3 name=__codelineno-12-3 href=#__codelineno-12-3></a><span class=p></</span><span class=nt>div</span><span class=p>></span>
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</code></pre></div> <p>And voilá!! We've created our first component.</p> <hr> <p>Next, <a href=../adding_js_and_css/ >let's add JS and CSS to this component ➡️</a>.</p> <aside class=md-source-file> <span class=md-source-file__fact> <span class=md-icon title="Last update"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1zM12.5 7v5.2l4 2.4-1 1L11 13V7zM11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2z"/></svg> </span> <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-timeago"><span class=timeago datetime=2025-01-01T16:06:14+00:00 locale=en></span></span><span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-iso_date">2025-01-01</span> </span> <span class=md-source-file__fact> <span class=md-icon title=Contributors> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4"/></svg> </span> <nav> <a href=mailto:juraj.oravec.josefson@gmail.com>Juro Oravec</a> </nav> </span> </aside> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var labels=set.querySelector(".tabbed-labels");for(var tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg> Back to top </button> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../../../overview/license/ class="md-footer__link md-footer__link--prev" aria-label="Previous: License"> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg> </div> <div class=md-footer__title> <span class=md-footer__direction> Previous </span> <div class=md-ellipsis> License </div> </div> </a> <a href=../adding_js_and_css/ class="md-footer__link md-footer__link--next" aria-label="Next: Adding JS and CSS"> <div class=md-footer__title> <span class=md-footer__direction> Next </span> <div class=md-ellipsis> Adding JS and CSS </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> Made with <a href=https://squidfunk.github.io/mkdocs-material/ target=_blank rel=noopener> Material for MkDocs </a> </div> <div class=md-social> <a href=https://github.com/EmilStenstrom/django-components target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.7.1 by @fontawesome - 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