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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Generator Objects — Python 2.7.5 documentation</title> <link rel="stylesheet" href="../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '2.7.5', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 2.7.5 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="top" title="Python 2.7.5 documentation" href="../index.html" /> <link rel="up" title="Concrete Objects Layer" href="concrete.html" /> <link rel="next" title="DateTime Objects" href="datetime.html" /> <link rel="prev" title="Cell Objects" href="cell.html" /> <link rel="shortcut icon" type="image/png" href="../_static/py.png" /> <script type="text/javascript" src="../_static/copybutton.js"></script> </head> <body> <div class="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="datetime.html" title="DateTime Objects" accesskey="N">next</a> |</li> <li class="right" > <a href="cell.html" title="Cell Objects" accesskey="P">previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="http://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.5 documentation</a> » </li> <li><a href="index.html" >Python/C API Reference Manual</a> »</li> <li><a href="concrete.html" accesskey="U">Concrete Objects Layer</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="generator-objects"> <span id="gen-objects"></span><h1>Generator Objects<a class="headerlink" href="#generator-objects" title="Permalink to this headline">¶</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="#PyGen_New" title="PyGen_New"><tt class="xref c c-func docutils literal"><span class="pre">PyGen_New()</span></tt></a>.</p> <dl class="type"> <dt id="PyGenObject"> <tt class="descname">PyGenObject</tt><a class="headerlink" href="#PyGenObject" title="Permalink to this definition">¶</a></dt> <dd><p>The C structure used for generator objects.</p> </dd></dl> <dl class="var"> <dt id="PyGen_Type"> <a class="reference internal" href="type.html#PyTypeObject" title="PyTypeObject">PyTypeObject</a> <tt class="descname">PyGen_Type</tt><a class="headerlink" href="#PyGen_Type" title="Permalink to this definition">¶</a></dt> <dd><p>The type object corresponding to generator objects</p> </dd></dl> <dl class="function"> <dt id="PyGen_Check"> int <tt class="descname">PyGen_Check</tt><big>(</big>ob<big>)</big><a class="headerlink" href="#PyGen_Check" title="Permalink to this definition">¶</a></dt> <dd><p>Return true if <em>ob</em> is a generator object; <em>ob</em> must not be <em>NULL</em>.</p> </dd></dl> <dl class="function"> <dt id="PyGen_CheckExact"> int <tt class="descname">PyGen_CheckExact</tt><big>(</big>ob<big>)</big><a class="headerlink" href="#PyGen_CheckExact" title="Permalink to this definition">¶</a></dt> <dd><p>Return true if <em>ob</em>‘s type is <em>PyGen_Type</em> is a generator object; <em>ob</em> must not be <em>NULL</em>.</p> </dd></dl> <dl class="function"> <dt id="PyGen_New"> <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a>* <tt class="descname">PyGen_New</tt><big>(</big>PyFrameObject<em> *frame</em><big>)</big><a class="headerlink" href="#PyGen_New" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">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 stolen by this function. 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