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Python314/Doc/html/library/html.html
377 строк
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Anatoly1147
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11 июл 2026, 17:02
11 июл 2026, 17:02
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<!DOCTYPE html> <html lang="en" data-content_root="../"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="viewport" content="width=device-width, initial-scale=1" /> <meta property="og:title" content="html — HyperText Markup Language support" /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://docs.python.org/3/library/html.html" /> <meta property="og:site_name" content="Python documentation" /> <meta property="og:description" content="Source code: Lib/html/__init__.py This module defines utilities to manipulate HTML. Submodules in the html package are: html.parser – HTML/XHTML parser with lenient parsing mode, html.entities – HT..." /> <meta property="og:image" content="_static/og-image.png" /> <meta property="og:image:alt" content="Python documentation" /> <meta name="description" content="Source code: Lib/html/__init__.py This module defines utilities to manipulate HTML. Submodules in the html package are: html.parser – HTML/XHTML parser with lenient parsing mode, html.entities – HT..." /> <meta name="theme-color" content="#3776ab"> <meta property="og:image:width" content="200"> <meta property="og:image:height" content="200"> <title>html — HyperText Markup Language support — Python 3.14.4 documentation</title><meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" type="text/css" href="../_static/pygments.css?v=b86133f3" /> <link rel="stylesheet" type="text/css" href="../_static/classic.css?v=234b1a7c" /> <link rel="stylesheet" type="text/css" href="../_static/pydoctheme.css?v=82640b3f" /> <link id="pygments_dark_css" media="(prefers-color-scheme: dark)" rel="stylesheet" type="text/css" href="../_static/pygments_dark.css?v=5349f25f" /> <script src="../_static/documentation_options.js?v=1885ab2e"></script> <script src="../_static/doctools.js?v=9bcbadda"></script> <script src="../_static/sphinx_highlight.js?v=dc90522c"></script> <script src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 3.14.4 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="next" title="html.parser — Simple HTML and XHTML parser" href="html.parser.html" /> <link rel="prev" title="Structured Markup Processing Tools" href="markup.html" /> <link rel="canonical" href="https://docs.python.org/3/library/html.html"> <style> @media only screen { table.full-width-table { width: 100%; } } </style> <link rel="stylesheet" href="../_static/pydoctheme_dark.css" media="(prefers-color-scheme: dark)" id="pydoctheme_dark_css"> <link rel="shortcut icon" type="image/png" href="../_static/py.svg"> <script type="text/javascript" src="../_static/copybutton.js"></script> <script type="text/javascript" src="../_static/menu.js"></script> <script type="text/javascript" src="../_static/search-focus.js"></script> <script type="text/javascript" src="../_static/themetoggle.js"></script> <script type="text/javascript" src="../_static/rtd_switcher.js"></script> <meta name="readthedocs-addons-api-version" content="1"> </head> <body> <div class="mobile-nav"> <input type="checkbox" id="menuToggler" class="toggler__input" aria-controls="navigation" aria-pressed="false" aria-expanded="false" role="button" aria-label="Menu"> <nav class="nav-content" role="navigation"> <label for="menuToggler" class="toggler__label"> <span></span> </label> <span class="nav-items-wrapper"> <a href="https://www.python.org/" class="nav-logo"> <img src="../_static/py.svg" alt="Python logo"> </a> <span class="version_switcher_placeholder"></span> <form role="search" class="search" action="../search.html" method="get"> <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" class="search-icon"> <path fill-rule="nonzero" fill="currentColor" d="M15.5 14h-.79l-.28-.27a6.5 6.5 0 001.48-5.34c-.47-2.78-2.79-5-5.59-5.34a6.505 6.505 0 00-7.27 7.27c.34 2.8 2.56 5.12 5.34 5.59a6.5 6.5 0 005.34-1.48l.27.28v.79l4.25 4.25c.41.41 1.08.41 1.49 0 .41-.41.41-1.08 0-1.49L15.5 14zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"></path> </svg> <input placeholder="Quick search" aria-label="Quick search" type="search" name="q"> <input type="submit" value="Go"> </form> </span> </nav> <div class="menu-wrapper"> <nav class="menu" role="navigation" aria-label="main navigation"> <div class="language_switcher_placeholder"></div> <label class="theme-selector-label"> Theme <select class="theme-selector" oninput="activateTheme(this.value)"> <option value="auto" selected>Auto</option> <option value="light">Light</option> <option value="dark">Dark</option> </select> </label> <div> <h4>Previous topic</h4> <p class="topless"><a href="markup.html" title="previous chapter">Structured Markup Processing Tools</a></p> </div> <div> <h4>Next topic</h4> <p class="topless"><a href="html.parser.html" title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">html.parser</span></code> — Simple HTML and XHTML parser</a></p> </div> <script> document.addEventListener('DOMContentLoaded', () => { const title = document.querySelector('meta[property="og:title"]').content; const elements = document.querySelectorAll('.improvepage'); const pageurl = window.location.href.split('?')[0]; elements.forEach(element => { const url = new URL(element.href.split('?')[0].replace("-nojs", "")); url.searchParams.set('pagetitle', title); url.searchParams.set('pageurl', pageurl); url.searchParams.set('pagesource', "library/html.rst"); element.href = url.toString(); }); }); </script> <div role="note" aria-label="source link"> <h3>This page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a bug</a></li> <li><a class="improvepage" href="../improve-page-nojs.html">Improve this page</a></li> <li> <a href="https://github.com/python/cpython/blob/main/Doc/library/html.rst?plain=1" rel="nofollow">Show source </a> </li> </ul> </div> </nav> </div> </div> <div class="related" role="navigation" aria-label="Related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="html.parser.html" title="html.parser — Simple HTML and XHTML parser" accesskey="N">next</a> |</li> <li class="right" > <a href="markup.html" title="Structured Markup Processing Tools" accesskey="P">previous</a> |</li> <li><img src="../_static/py.svg" alt="Python logo" style="vertical-align: middle; margin-top: -1px"></li> <li><a href="https://www.python.org/">Python</a> »</li> <li class="switchers"> <div class="language_switcher_placeholder"></div> <div class="version_switcher_placeholder"></div> </li> <li> </li> <li id="cpython-language-and-version"> <a href="../index.html">3.14.4 Documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="markup.html" accesskey="U">Structured Markup Processing Tools</a> »</li> <li class="nav-item nav-item-this"><a href=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">html</span></code> — HyperText Markup Language support</a></li> <li class="right"> <div class="inline-search" role="search"> <form class="inline-search" action="../search.html" method="get"> <input placeholder="Quick search" aria-label="Quick search" type="search" name="q" id="search-box"> <input type="submit" value="Go"> </form> </div> | </li> <li class="right"> <label class="theme-selector-label"> Theme <select class="theme-selector" oninput="activateTheme(this.value)"> <option value="auto" selected>Auto</option> <option value="light">Light</option> <option value="dark">Dark</option> </select> </label> |</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <section id="module-html"> <span id="html-hypertext-markup-language-support"></span><h1><code class="xref py py-mod docutils literal notranslate"><span class="pre">html</span></code> — HyperText Markup Language support<a class="headerlink" href="#module-html" title="Link to this heading">¶</a></h1> <p><strong>Source code:</strong> <a class="extlink-source reference external" href="https://github.com/python/cpython/tree/3.14/Lib/html/__init__.py">Lib/html/__init__.py</a></p> <hr class="docutils" /> <p>This module defines utilities to manipulate HTML.</p> <dl class="py function"> <dt class="sig sig-object py" id="html.escape"> <span class="sig-prename descclassname"><span class="pre">html.</span></span><span class="sig-name descname"><span class="pre">escape</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">s</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">quote</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#html.escape" title="Link to this definition">¶</a></dt> <dd><p>Convert the characters <code class="docutils literal notranslate"><span class="pre">&</span></code>, <code class="docutils literal notranslate"><span class="pre"><</span></code> and <code class="docutils literal notranslate"><span class="pre">></span></code> in string <em>s</em> to HTML-safe sequences. Use this if you need to display text that might contain such characters in HTML. If the optional flag <em>quote</em> is true (the default), the characters (<code class="docutils literal notranslate"><span class="pre">"</span></code>) and (<code class="docutils literal notranslate"><span class="pre">'</span></code>) are also translated; this helps for inclusion in an HTML attribute value delimited by quotes, as in <code class="docutils literal notranslate"><span class="pre"><a</span> <span class="pre">href="..."></span></code>. If <em>quote</em> is set to false, the characters (<code class="docutils literal notranslate"><span class="pre">"</span></code>) and (<code class="docutils literal notranslate"><span class="pre">'</span></code>) are not translated.</p> <div class="versionadded"> <p><span class="versionmodified added">Added in version 3.2.</span></p> </div> </dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="html.unescape"> <span class="sig-prename descclassname"><span class="pre">html.</span></span><span class="sig-name descname"><span class="pre">unescape</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">s</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#html.unescape" title="Link to this definition">¶</a></dt> <dd><p>Convert all named and numeric character references (e.g. <code class="docutils literal notranslate"><span class="pre">&gt;</span></code>, <code class="docutils literal notranslate"><span class="pre">&#62;</span></code>, <code class="docutils literal notranslate"><span class="pre">&#x3e;</span></code>) in the string <em>s</em> to the corresponding Unicode characters. This function uses the rules defined by the HTML 5 standard for both valid and invalid character references, and the <a class="reference internal" href="html.entities.html#html.entities.html5" title="html.entities.html5"><code class="xref py py-data docutils literal notranslate"><span class="pre">list</span> <span class="pre">of</span> <span class="pre">HTML</span> <span class="pre">5</span> <span class="pre">named</span> <span class="pre">character</span> <span class="pre">references</span></code></a>.</p> <div class="versionadded"> <p><span class="versionmodified added">Added in version 3.4.</span></p> </div> </dd></dl> <hr class="docutils" /> <p>Submodules in the <code class="docutils literal notranslate"><span class="pre">html</span></code> package are:</p> <ul class="simple"> <li><p><a class="reference internal" href="html.parser.html#module-html.parser" title="html.parser: A simple parser that can handle HTML and XHTML."><code class="xref py py-mod docutils literal notranslate"><span class="pre">html.parser</span></code></a> – HTML/XHTML parser with lenient parsing mode</p></li> <li><p><a class="reference internal" href="html.entities.html#module-html.entities" title="html.entities: Definitions of HTML general entities."><code class="xref py py-mod docutils literal notranslate"><span class="pre">html.entities</span></code></a> – HTML entity definitions</p></li> </ul> </section> <div class="clearer"></div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="Main"> <div class="sphinxsidebarwrapper"> <div> <h4>Previous topic</h4> <p class="topless"><a href="markup.html" title="previous chapter">Structured Markup Processing Tools</a></p> </div> <div> <h4>Next topic</h4> <p class="topless"><a href="html.parser.html" title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">html.parser</span></code> — Simple HTML and XHTML parser</a></p> </div> <script> document.addEventListener('DOMContentLoaded', () => { const title = document.querySelector('meta[property="og:title"]').content; const elements = document.querySelectorAll('.improvepage'); const pageurl = window.location.href.split('?')[0]; elements.forEach(element => { const url = new URL(element.href.split('?')[0].replace("-nojs", "")); url.searchParams.set('pagetitle', title); url.searchParams.set('pageurl', pageurl); url.searchParams.set('pagesource', "library/html.rst"); element.href = url.toString(); }); }); </script> <div role="note" aria-label="source link"> <h3>This page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a bug</a></li> <li><a class="improvepage" href="../improve-page-nojs.html">Improve this page</a></li> <li> <a href="https://github.com/python/cpython/blob/main/Doc/library/html.rst?plain=1" rel="nofollow">Show source </a> </li> </ul> </div> </div> <div id="sidebarbutton" title="Collapse sidebar"> <span>«</span> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="Related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="html.parser.html" title="html.parser — Simple HTML and XHTML parser" >next</a> |</li> <li class="right" > <a href="markup.html" title="Structured Markup Processing Tools" >previous</a> |</li> <li><img src="../_static/py.svg" alt="Python logo" style="vertical-align: middle; 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