Edit File: descriptor.html
<!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>Descriptor Objects — Python v2.6.6 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: '2.6.6', COLLAPSE_MODINDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python v2.6.6 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 v2.6.6 documentation" href="../index.html" /> <link rel="up" title="Concrete Objects Layer" href="concrete.html" /> <link rel="next" title="Slice Objects" href="slice.html" /> <link rel="prev" title="Iterator Objects" href="iterator.html" /> <link rel="shortcut icon" type="image/png" href="../_static/py.png" /> </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="../modindex.html" title="Global Module Index" accesskey="M">modules</a> |</li> <li class="right" > <a href="slice.html" title="Slice Objects" accesskey="N">next</a> |</li> <li class="right" > <a href="iterator.html" title="Iterator Objects" accesskey="P">previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="../index.html">Python v2.6.6 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="descriptor-objects"> <span id="id1"></span><h1>Descriptor Objects<a class="headerlink" href="#descriptor-objects" title="Permalink to this headline">¶</a></h1> <p>“Descriptors” are objects that describe some attribute of an object. They are found in the dictionary of type objects.</p> <dl class="cvar"> <dt id="PyProperty_Type"> <a title="PyTypeObject" class="reference external" href="type.html#PyTypeObject">PyTypeObject</a> <tt class="descname">PyProperty_Type</tt><a class="headerlink" href="#PyProperty_Type" title="Permalink to this definition">¶</a></dt> <dd><p>The type object for the built-in descriptor types.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.2.</span></p> </dd></dl> <dl class="cfunction"> <dt id="PyDescr_NewGetSet"> <a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a>* <tt class="descname">PyDescr_NewGetSet</tt><big>(</big><a title="PyTypeObject" class="reference external" href="type.html#PyTypeObject">PyTypeObject</a><em> *type</em>, struct PyGetSetDef<em> *getset</em><big>)</big><a class="headerlink" href="#PyDescr_NewGetSet" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: New reference.</em><p class="versionadded"> <span class="versionmodified">New in version 2.2.</span></p> </dd></dl> <dl class="cfunction"> <dt id="PyDescr_NewMember"> <a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a>* <tt class="descname">PyDescr_NewMember</tt><big>(</big><a title="PyTypeObject" class="reference external" href="type.html#PyTypeObject">PyTypeObject</a><em> *type</em>, struct <a title="PyMemberDef" class="reference external" href="structures.html#PyMemberDef">PyMemberDef</a><em> *meth</em><big>)</big><a class="headerlink" href="#PyDescr_NewMember" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: New reference.</em><p class="versionadded"> <span class="versionmodified">New in version 2.2.</span></p> </dd></dl> <dl class="cfunction"> <dt id="PyDescr_NewMethod"> <a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a>* <tt class="descname">PyDescr_NewMethod</tt><big>(</big><a title="PyTypeObject" class="reference external" href="type.html#PyTypeObject">PyTypeObject</a><em> *type</em>, struct <a title="PyMethodDef" class="reference external" href="structures.html#PyMethodDef">PyMethodDef</a><em> *meth</em><big>)</big><a class="headerlink" href="#PyDescr_NewMethod" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: New reference.</em><p class="versionadded"> <span class="versionmodified">New in version 2.2.</span></p> </dd></dl> <dl class="cfunction"> <dt id="PyDescr_NewWrapper"> <a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a>* <tt class="descname">PyDescr_NewWrapper</tt><big>(</big><a title="PyTypeObject" class="reference external" href="type.html#PyTypeObject">PyTypeObject</a><em> *type</em>, struct wrapperbase<em> *wrapper</em>, void<em> *wrapped</em><big>)</big><a class="headerlink" href="#PyDescr_NewWrapper" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: New reference.</em><p class="versionadded"> <span class="versionmodified">New in version 2.2.</span></p> </dd></dl> <dl class="cfunction"> <dt id="PyDescr_NewClassMethod"> <a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a>* <tt class="descname">PyDescr_NewClassMethod</tt><big>(</big><a title="PyTypeObject" class="reference external" href="type.html#PyTypeObject">PyTypeObject</a><em> *type</em>, <a title="PyMethodDef" class="reference external" href="structures.html#PyMethodDef">PyMethodDef</a><em> *method</em><big>)</big><a class="headerlink" href="#PyDescr_NewClassMethod" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: New reference.</em><p class="versionadded"> <span class="versionmodified">New in version 2.3.</span></p> </dd></dl> <dl class="cfunction"> <dt id="PyDescr_IsData"> int <tt class="descname">PyDescr_IsData</tt><big>(</big><a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a><em> *descr</em><big>)</big><a class="headerlink" href="#PyDescr_IsData" title="Permalink to this definition">¶</a></dt> <dd><p>Return true if the descriptor objects <em>descr</em> describes a data attribute, or false if it describes a method. <em>descr</em> must be a descriptor object; there is no error checking.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.2.</span></p> </dd></dl> <dl class="cfunction"> <dt id="PyWrapper_New"> <a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a>* <tt class="descname">PyWrapper_New</tt><big>(</big><a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a><em> *</em>, <a title="PyObject" class="reference external" href="structures.html#PyObject">PyObject</a><em> *</em><big>)</big><a class="headerlink" href="#PyWrapper_New" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: New reference.</em><p class="versionadded"> <span class="versionmodified">New in version 2.2.</span></p> </dd></dl> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="iterator.html" title="previous chapter">Iterator Objects</a></p> <h4>Next topic</h4> <p class="topless"><a href="slice.html" title="next chapter">Slice Objects</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li><a href="../_sources/c-api/descriptor.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../search.html" method="get"> <input type="text" name="q" size="18" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="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="../modindex.html" title="Global Module Index" >modules</a> |</li> <li class="right" > <a href="slice.html" title="Slice Objects" >next</a> |</li> <li class="right" > <a href="iterator.html" title="Iterator Objects" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; 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