| Server IP : 121.121.20.254 / Your IP : 216.73.216.202 Web Server : Microsoft-IIS/10.0 System : Windows NT WEB-SERVER 10.0 build 20348 (Windows Server 2022) AMD64 User : IUSR ( 0) PHP Version : 8.3.28 Disable Function : NONE MySQL : ON | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /Python315/Doc/html/c-api/ |
Upload File : |
<!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="Generator Objects" />
<meta property="og:type" content="website" />
<meta property="og:url" content="https://docs.python.org/3/c-api/gen.html" />
<meta property="og:site_name" content="Python documentation" />
<meta property="og:description" content="Generator objects are what Python uses to implement generator iterators. They are normally created by iterating over a function that yields values, rather than explicitly calling PyGen_New() or PyG..." />
<meta property="og:image" content="_static/og-image.png" />
<meta property="og:image:alt" content="Python documentation" />
<meta name="description" content="Generator objects are what Python uses to implement generator iterators. They are normally created by iterating over a function that yields values, rather than explicitly calling PyGen_New() or PyG..." />
<meta name="theme-color" content="#3776ab">
<meta property="og:image:width" content="200">
<meta property="og:image:height" content="200">
<title>Generator Objects — Python 3.15.0rc1 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=4365c8fe" />
<link id="pygments_dark_css" media="(prefers-color-scheme: dark)" rel="stylesheet" type="text/css" href="../_static/pygments_dark.css?v=0fc419ee" />
<script src="../_static/documentation_options.js?v=791e38b1"></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 3.15.0rc1 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="Coroutine Objects" href="coro.html" />
<link rel="prev" title="Frame objects" href="frame.html" />
<link rel="canonical" href="https://docs.python.org/3/c-api/gen.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>
<h3><a href="../contents.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">Generator Objects</a><ul>
<li><a class="reference internal" href="#asynchronous-generator-objects">Asynchronous Generator Objects</a></li>
<li><a class="reference internal" href="#deprecated-api">Deprecated API</a></li>
</ul>
</li>
</ul>
</div>
<div>
<h4>Previous topic</h4>
<p class="topless"><a href="frame.html"
title="previous chapter">Frame objects</a></p>
</div>
<div>
<h4>Next topic</h4>
<p class="topless"><a href="coro.html"
title="next chapter">Coroutine Objects</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', "c-api/gen.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/c-api/gen.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="coro.html" title="Coroutine Objects"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="frame.html" title="Frame objects"
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">3.15.0rc1 Documentation</a> »
</li>
<li class="nav-item nav-item-1"><a href="index.html" >Python/C API reference manual</a> »</li>
<li class="nav-item nav-item-2"><a href="concrete.html" accesskey="U">Concrete Objects Layer</a> »</li>
<li class="nav-item nav-item-this"><a href="">Generator Objects</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="generator-objects">
<span id="gen-objects"></span><h1>Generator Objects<a class="headerlink" href="#generator-objects" title="Link to this heading">¶</a></h1>
<p>Generator objects are what Python uses to implement generator iterators. They
are normally created by iterating over a function that yields values, rather
than explicitly calling <a class="reference internal" href="#c.PyGen_New" title="PyGen_New"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyGen_New()</span></code></a> or <a class="reference internal" href="#c.PyGen_NewWithQualName" title="PyGen_NewWithQualName"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyGen_NewWithQualName()</span></code></a>.</p>
<dl class="c type">
<dt class="sig sig-object c" id="c.PyGenObject">
<span class="k"><span class="pre">type</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyGenObject</span></span></span><a class="headerlink" href="#c.PyGenObject" title="Link to this definition">¶</a><br /></dt>
<dd><p>The C structure used for generator objects.</p>
</dd></dl>
<dl class="c var">
<dt class="sig sig-object c" id="c.PyGen_Type">
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject"><span class="n"><span class="pre">PyTypeObject</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyGen_Type</span></span></span><a class="headerlink" href="#c.PyGen_Type" title="Link to this definition">¶</a><br /></dt>
<dd><p>The type object corresponding to generator objects.</p>
</dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyGen_Check">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyGen_Check</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">ob</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyGen_Check" title="Link to this definition">¶</a><br /></dt>
<dd><p>Return true if <em>ob</em> is a generator object; <em>ob</em> must not be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>. This
function always succeeds.</p>
</dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyGen_CheckExact">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyGen_CheckExact</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">ob</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyGen_CheckExact" title="Link to this definition">¶</a><br /></dt>
<dd><p>Return true if <em>ob</em>’s type is <a class="reference internal" href="#c.PyGen_Type" title="PyGen_Type"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyGen_Type</span></code></a>; <em>ob</em> must not be
<code class="docutils literal notranslate"><span class="pre">NULL</span></code>. This function always succeeds.</p>
</dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyGen_New">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyGen_New</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="frame.html#c.PyFrameObject" title="PyFrameObject"><span class="n"><span class="pre">PyFrameObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">frame</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyGen_New" title="Link to this definition">¶</a><br /></dt>
<dd><em class="refcount return_new_ref">Return value: New reference.</em><p>Create and return a new generator object based on the <em>frame</em> object.
A reference to <em>frame</em> is “<a class="reference internal" href="../glossary.html#term-steal"><span class="xref std std-term">stolen</span></a>” by this function (even
on error). The argument must not be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>.</p>
</dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyGen_NewWithQualName">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyGen_NewWithQualName</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="frame.html#c.PyFrameObject" title="PyFrameObject"><span class="n"><span class="pre">PyFrameObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">frame</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">name</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">qualname</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyGen_NewWithQualName" title="Link to this definition">¶</a><br /></dt>
<dd><em class="refcount return_new_ref">Return value: New reference.</em><p>Create and return a new generator object based on the <em>frame</em> object,
with <code class="docutils literal notranslate"><span class="pre">__name__</span></code> and <code class="docutils literal notranslate"><span class="pre">__qualname__</span></code> set to <em>name</em> and <em>qualname</em>.
A reference to <em>frame</em> is “<a class="reference internal" href="../glossary.html#term-steal"><span class="xref std std-term">stolen</span></a>” by this function (even
on error). The <em>frame</em> argument must not be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>.</p>
</dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyGen_GetCode">
<a class="reference internal" href="code.html#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyGen_GetCode</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyGenObject" title="PyGenObject"><span class="n"><span class="pre">PyGenObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">gen</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyGen_GetCode" title="Link to this definition">¶</a><br /></dt>
<dd><p>Return a new <a class="reference internal" href="../glossary.html#term-strong-reference"><span class="xref std std-term">strong reference</span></a> to the code object wrapped by <em>gen</em>.
This function always succeeds.</p>
</dd></dl>
<section id="asynchronous-generator-objects">
<h2>Asynchronous Generator Objects<a class="headerlink" href="#asynchronous-generator-objects" title="Link to this heading">¶</a></h2>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><span class="target" id="index-0"></span><a class="pep reference external" href="https://peps.python.org/pep-0525/"><strong>PEP 525</strong></a></p>
</div>
<dl class="c var">
<dt class="sig sig-object c" id="c.PyAsyncGen_Type">
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject"><span class="n"><span class="pre">PyTypeObject</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyAsyncGen_Type</span></span></span><a class="headerlink" href="#c.PyAsyncGen_Type" title="Link to this definition">¶</a><br /></dt>
<dd><p>The type object corresponding to asynchronous generator objects. This is
available as <a class="reference internal" href="../library/types.html#types.AsyncGeneratorType" title="types.AsyncGeneratorType"><code class="xref py py-class docutils literal notranslate"><span class="pre">types.AsyncGeneratorType</span></code></a> in the Python layer.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.6.</span></p>
</div>
</dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyAsyncGen_New">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyAsyncGen_New</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="frame.html#c.PyFrameObject" title="PyFrameObject"><span class="n"><span class="pre">PyFrameObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">frame</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">name</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">qualname</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyAsyncGen_New" title="Link to this definition">¶</a><br /></dt>
<dd><p>Create a new asynchronous generator wrapping <em>frame</em>, with <code class="docutils literal notranslate"><span class="pre">__name__</span></code> and
<code class="docutils literal notranslate"><span class="pre">__qualname__</span></code> set to <em>name</em> and <em>qualname</em>.
<em>frame</em> is “<a class="reference internal" href="../glossary.html#term-steal"><span class="xref std std-term">stolen</span></a>” by this function (even on error) and
must not be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>.</p>
<p>On success, this function returns a <a class="reference internal" href="../glossary.html#term-strong-reference"><span class="xref std std-term">strong reference</span></a> to the
new asynchronous generator. On failure, this function returns <code class="docutils literal notranslate"><span class="pre">NULL</span></code>
with an exception set.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.6.</span></p>
</div>
</dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyAsyncGen_CheckExact">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyAsyncGen_CheckExact</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">op</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyAsyncGen_CheckExact" title="Link to this definition">¶</a><br /></dt>
<dd><p>Return true if <em>op</em> is an asynchronous generator object, false otherwise.
This function always succeeds.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.6.</span></p>
</div>
</dd></dl>
</section>
<section id="deprecated-api">
<h2>Deprecated API<a class="headerlink" href="#deprecated-api" title="Link to this heading">¶</a></h2>
<dl class="c macro">
<dt class="sig sig-object c" id="c.PyAsyncGenASend_CheckExact">
<span class="sig-name descname"><span class="n"><span class="pre">PyAsyncGenASend_CheckExact</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">op</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyAsyncGenASend_CheckExact" title="Link to this definition">¶</a><br /></dt>
<dd><p>This is an API that was included in Python’s C API
by mistake.</p>
<p>It is solely here for completeness; do not use this API.</p>
<div class="versionchanged soft-deprecated">
<p><span class="versionmodified soft-deprecated"><a class="reference internal" href="../glossary.html#term-soft-deprecated">Soft deprecated</a> since version 3.14.</span></p>
</div>
</dd></dl>
</section>
</section>
<div class="clearer"></div>
</div>
</div>
</div>
<div class="sphinxsidebar" role="navigation" aria-label="Main">
<div class="sphinxsidebarwrapper">
<div>
<h3><a href="../contents.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">Generator Objects</a><ul>
<li><a class="reference internal" href="#asynchronous-generator-objects">Asynchronous Generator Objects</a></li>
<li><a class="reference internal" href="#deprecated-api">Deprecated API</a></li>
</ul>
</li>
</ul>
</div>
<div>
<h4>Previous topic</h4>
<p class="topless"><a href="frame.html"
title="previous chapter">Frame objects</a></p>
</div>
<div>
<h4>Next topic</h4>
<p class="topless"><a href="coro.html"
title="next chapter">Coroutine Objects</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', "c-api/gen.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/c-api/gen.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="coro.html" title="Coroutine Objects"
>next</a> |</li>
<li class="right" >
<a href="frame.html" title="Frame objects"
>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">3.15.0rc1 Documentation</a> »
</li>
<li class="nav-item nav-item-1"><a href="index.html" >Python/C API reference manual</a> »</li>
<li class="nav-item nav-item-2"><a href="concrete.html" >Concrete Objects Layer</a> »</li>
<li class="nav-item nav-item-this"><a href="">Generator Objects</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="footer">
© <a href="../copyright.html">Copyright</a> 2001 Python Software Foundation.
<br>
This page is licensed under the Python Software Foundation License Version 2.
<br>
Examples, recipes, and other code in the documentation are additionally licensed under the Zero Clause BSD License.
<br>
See <a href="/license.html">History and License</a> for more information.<br>
<br>
The Python Software Foundation is a non-profit corporation.
<a href="https://www.python.org/psf/donations/">Please donate.</a>
<br>
<br>
Last updated on Aug 04, 2026 (11:13 UTC).
<a href="/bugs.html">Found a bug</a>?
<br>
Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 8.2.3.
</div>
</body>
</html>