297 lines
16 KiB
HTML
297 lines
16 KiB
HTML
<!doctype html>
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<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<title>Checklist for creating a component - Home Assistant</title>
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<meta name="author" content="Home Assistant">
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<meta name="description" content="A list of things to pay attention to when code reviewing a component.">
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<link rel="canonical" href="https://home-assistant.io/developers/code_review_component/">
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<meta property="og:title" content="Checklist for creating a component">
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<meta property="og:site_name" content="Home Assistant">
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<meta property="og:url" content="https://home-assistant.io/developers/code_review_component/">
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<meta property="og:type" content="website">
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<meta property="og:description" content="A list of things to pay attention to when code reviewing a component.">
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<meta name="twitter:title" content="Checklist for creating a component">
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<meta name="twitter:description" content="A list of things to pay attention to when code reviewing a component.">
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<meta name="twitter:image" content="https://home-assistant.io/images/default-social.png">
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<link href="/stylesheets/screen.css" media="screen, projection, print" rel="stylesheet">
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<link href="/atom.xml" rel="alternate" title="Home Assistant" type="application/atom+xml">
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<link rel='icon' type='image/png' href='/images/favicon-192x192.png' sizes='192x192' />
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<body >
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<header class='site-header'>
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<div class="grid-wrapper">
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<div class="grid">
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<div class="grid__item three-tenths lap-two-sixths palm-one-whole ha-title">
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<a href="/" class="site-title">
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<img width='40' src='/demo/favicon-192x192.png'>
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<span>Home Assistant</span>
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</a>
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</div>
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<div class="grid__item seven-tenths lap-four-sixths palm-one-whole">
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<nav>
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<input type="checkbox" id="toggle">
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<label for="toggle" class="toggle" data-open="Main Menu" data-close="Close Menu"></label>
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<ul class="menu pull-right">
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<li><a href="/getting-started/">Getting started</a></li>
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<li><a href="/components/">Components</a></li>
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<li><a href="/docs/">Docs</a></li>
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<li><a href="/cookbook/">Examples</a></li>
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<li><a href="/developers/">Developers</a></li>
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<li><a href="/blog/">Blog</a></li>
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<li><a href="/help/">Need help?</a></li>
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<li><a href='#' class='show-search'><i class="icon-search"></i></a></li>
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<div class='search'>
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<input id='search' placeholder='Search the docs…'>
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</div>
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</header>
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<div class="grid-wrapper">
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<div class="grid grid-center">
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<div class="grid__item two-thirds lap-one-whole palm-one-whole">
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<article class="page">
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<header>
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<h1 class="title indent">
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Checklist for creating a component
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</h1>
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</header>
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<hr class="divider">
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<p>A checklist of things to do when you’re adding a new component.</p>
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<p class="note">
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Not all existing platforms follow the requirements in this checklist. This cannot be used as a reason to not follow them!
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</p>
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<h3><a class="title-link" name="1-requirements" href="#1-requirements"></a> 1. Requirements</h3>
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<ol>
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<li>Requirement version pinned: <code class="highlighter-rouge">REQUIREMENTS = ['phue==0.8.1']</code></li>
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<li>We no longer want requirements hosted on GitHub. Please upload to PyPi.</li>
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<li>Requirements should only be imported inside functions. This is necessary because requirements are installed on the fly.</li>
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</ol>
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<h3><a class="title-link" name="2-configuration" href="#2-configuration"></a> 2. Configuration</h3>
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<ol>
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<li>Voluptuous schema present for config validation</li>
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<li>Default parameters specified in voluptuous schema, not in <code class="highlighter-rouge">setup(…)</code></li>
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<li>Schema using as many generic config keys as possible from <code class="highlighter-rouge">homeassistant.const</code></li>
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<li>If your component has platforms, define a <code class="highlighter-rouge">PLATFORM_SCHEMA</code> instead of a <code class="highlighter-rouge">CONFIG_SCHEMA</code>.</li>
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<li>If using a <code class="highlighter-rouge">PLATFORM_SCHEMA</code> to be used with <code class="highlighter-rouge">EntityComponent</code>, import base from <code class="highlighter-rouge">homeassistant.helpers.config_validation</code></li>
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<li>Never depend on users adding things to <code class="highlighter-rouge">customize</code> to configure behavior inside your component.</li>
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</ol>
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<h3><a class="title-link" name="3-componentplatform-communication" href="#3-componentplatform-communication"></a> 3. Component/platform communication</h3>
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<ol>
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<li>If you need to share global data with platforms, use the dictionary <code class="highlighter-rouge">hass.data</code>. <code class="highlighter-rouge">hass.data[DATA_XY]</code> while <code class="highlighter-rouge">XY</code> is the component is preferred over <code class="highlighter-rouge">hass.data[DOMAIN]</code>.</li>
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<li>If the component fetches data that causes its related platform entities to update, you can notify them using the dispatcher code in <code class="highlighter-rouge">homeassistant.helpers.dispatcher</code>.</li>
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</ol>
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</article>
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</div>
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<aside id="sidebar" class="grid__item one-third lap-one-whole palm-one-whole">
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<div class="grid">
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<section class="aside-module grid__item one-whole lap-one-half">
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<div class='edit-github'><a href='https://github.com/home-assistant/home-assistant.github.io/tree/current/source/developers/code_review_component.markdown'>Edit this page on GitHub</a></div>
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<div class='section'>
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<h1 class="title delta">Development Guide</h1>
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<ul class='divided sidebar-menu'>
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<li>
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<a href='/developers/'>Introduction </a>
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<ul>
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<li><a href='/developers/architecture/'>Architecture </a></li>
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<li><a href='/developers/architecture_components/'>Components </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/development/'>Starting with Development </a>
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<ul>
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<li><a href='/developers/development_environment/'>Setting up Environment </a></li>
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<li><a href='/developers/development_submitting/'>Submit your Work </a></li>
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<li><a href='/developers/development_checklist/'>Checklist </a></li>
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<li><a href='/developers/development_guidelines/'>Style guidelines </a></li>
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<li><a href='/developers/development_testing/'>Testing </a></li>
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<li><a href='/developers/development_catching_up/'>Catching up with Reality </a></li>
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<li><a href='/developers/development_validation/'>Validation </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/development_101/'>Development 101 </a>
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<ul>
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<li><a href='/developers/development_hass_object/'>Hass object </a></li>
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<li><a href='/developers/development_events/'>Events </a></li>
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<li><a href='/developers/development_states/'>States </a></li>
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<li><a href='/developers/development_services/'>Services </a></li>
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<li><a href='/developers/development_config/'>Config </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/add_new_platform/'>Creating a new platform (to support a new device) </a>
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<ul>
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<li><a href='/developers/code_review_platform/'>Checklist creating a platform </a></li>
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<li><a href='/developers/platform_example_sensor/'>Example sensor platform </a></li>
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<li><a href='/developers/platform_example_light/'>Example light platform </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/creating_components/'>Adding a new component </a>
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<ul>
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<li><a class='active' href='/developers/code_review_component/'>Checklist creating a component </a></li>
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<li><a href='/developers/component_loading/'>Loading components </a></li>
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<li><a href='/developers/component_deps_and_reqs/'>Requirements & Dependencies </a></li>
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<li><a href='/developers/component_events/'>Handling events </a></li>
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<li><a href='/developers/component_states/'>States </a></li>
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<li><a href='/developers/component_visibility/'>Visibility </a></li>
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<li><a href='/developers/component_generic_discovery/'>Loading Platforms </a></li>
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<li><a href='/developers/component_discovery/'>Component Discovery </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/intent/'>Intents (handling voice responses) </a>
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<ul>
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<li><a href='/developers/intent/firing/'>Firing intents </a></li>
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<li><a href='/developers/intent/handling/'>Handling intents </a></li>
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<li><a href='/developers/intent/conversation/'>Registering sentences </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/asyncio/'>Asynchronous Programming </a>
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<ul>
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<li><a href='/developers/asyncio_101/'>Introduction to asyncio </a></li>
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<li><a href='/developers/asyncio_categorizing_functions/'>Categorizing Functions </a></li>
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<li><a href='/developers/asyncio_working_with_async/'>Working with Async </a></li>
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<li><a href='/developers/asyncio_misc/'>Miscellaneous </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/frontend/'>Frontend Development </a>
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<ul>
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<li><a href='/developers/frontend_add_card/'>Add State Card </a></li>
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<li><a href='/developers/frontend_add_more_info/'>Add More Info Dialog </a></li>
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<li><a href='/developers/frontend_creating_custom_panels/'>Add Custom Panels </a></li>
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<li><a href='/developers/frontend_creating_custom_ui/'>Add Custom UI </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/internationalization/'>Internationalization </a>
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<ul>
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<li><a href='/developers/internationalization/backend_localization/'>Backend Localization </a></li>
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<li><a href='/developers/internationalization/custom_component_localization/'>Custom Component Localization </a></li>
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<li><a href='/developers/internationalization/translation/'>Translation </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/hassio/architecture/'>Hass.io architecture </a>
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<ul>
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<li><a href='/developers/hassio/debugging/'>Debugging Hass.io </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/hassio/addon_development/'>Hass.io Add-on Development </a>
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<ul>
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<li><a href='/developers/hassio/addon_tutorial/'>Tutorial: Making your first add-on </a></li>
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<li><a href='/developers/hassio/addon_config/'>Configuration </a></li>
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<li><a href='/developers/hassio/addon_communication/'>Communication </a></li>
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<li><a href='/developers/hassio/addon_testing/'>Local Testing </a></li>
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<li><a href='/developers/hassio/addon_publishing/'>Publishing </a></li>
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<li><a href='/developers/hassio/addon_presentation/'>Presentation </a></li>
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<li><a href='/developers/hassio/addon_repository/'>Repositories </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/api/'>API </a>
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<ul>
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<li><a href='https://dev-docs.home-assistant.io/en/dev/'>Python API </a></li>
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<li><a href='/developers/websocket_api/'>Websocket API </a></li>
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<li><a href='/developers/rest_api/'>REST API </a></li>
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<li><a href='/developers/python_api/'>Python REST API </a></li>
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<li><a href='/developers/server_sent_events/'>Server-sent events </a></li>
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</ul>
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</li>
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<li>
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<a href='/developers/documentation/'>Website/Documentation </a>
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<ul>
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<li><a href='/developers/documentation/standards/'>Standards </a></li>
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<li><a href='/developers/documentation/create_page/'>Create a new page </a></li>
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</ul>
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</li>
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<li><a href='/developers/helpers/'>Online helpers </a></li>
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<li><a href='/developers/releasing/'>Releasing </a></li>
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<li><a href='/developers/maintenance/'>Maintenance </a></li>
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<li>
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Governance
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<ul>
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<li><a href='/developers/cla/'>Contributor License Agreement </a></li>
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<li><a href='/privacy/'>Privacy Policy </a></li>
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<li><a href='/tos/'>Terms of Service </a></li>
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<li><a href='/code_of_conduct/'>Code of Conduct </a></li>
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<li><a href='/developers/credits/'>Credits </a></li>
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<li><a href='/developers/license/'>License </a></li>
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</ul>
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</li>
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</ul>
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</div>
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</section>
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</div>
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</aside>
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<footer>
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<a rel="me" href='https://github.com/home-assistant/home-assistant'><i class="icon-github"></i></a>
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<div class="credit">
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Contact us at <a href='mailto:hello@home-assistant.io'>hello@home-assistant.io</a> (no support!).<br>
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<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">home-assistant.io</span> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.
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