229 lines
12 KiB
HTML
229 lines
12 KiB
HTML
|
||
<!DOCTYPE html>
|
||
|
||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||
<head>
|
||
<meta charset="utf-8" />
|
||
<title>Descriptor Objects — Python 3.7.4 documentation</title>
|
||
<link rel="stylesheet" href="../_static/pydoctheme.css" type="text/css" />
|
||
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
|
||
|
||
<script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/language_data.js"></script>
|
||
|
||
<script type="text/javascript" src="../_static/sidebar.js"></script>
|
||
|
||
<link rel="search" type="application/opensearchdescription+xml"
|
||
title="Search within Python 3.7.4 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="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" />
|
||
<link rel="canonical" href="https://docs.python.org/3/c-api/descriptor.html" />
|
||
|
||
<script type="text/javascript" src="../_static/copybutton.js"></script>
|
||
<script type="text/javascript" src="../_static/switchers.js"></script>
|
||
|
||
|
||
|
||
<style>
|
||
@media only screen {
|
||
table.full-width-table {
|
||
width: 100%;
|
||
}
|
||
}
|
||
</style>
|
||
|
||
|
||
</head><body>
|
||
|
||
<div class="related" role="navigation" aria-label="related navigation">
|
||
<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="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="https://www.python.org/">Python</a> »</li>
|
||
<li>
|
||
<span class="language_switcher_placeholder">en</span>
|
||
<span class="version_switcher_placeholder">3.7.4</span>
|
||
<a href="../index.html">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="right">
|
||
|
||
|
||
<div class="inline-search" style="display: none" role="search">
|
||
<form class="inline-search" action="../search.html" method="get">
|
||
<input placeholder="Quick search" type="text" name="q" />
|
||
<input type="submit" value="Go" />
|
||
<input type="hidden" name="check_keywords" value="yes" />
|
||
<input type="hidden" name="area" value="default" />
|
||
</form>
|
||
</div>
|
||
<script type="text/javascript">$('.inline-search').show(0);</script>
|
||
|
|
||
</li>
|
||
|
||
</ul>
|
||
</div>
|
||
|
||
<div class="document">
|
||
<div class="documentwrapper">
|
||
<div class="bodywrapper">
|
||
<div class="body" role="main">
|
||
|
||
<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="var">
|
||
<dt id="c.PyProperty_Type">
|
||
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a> <code class="descname">PyProperty_Type</code><a class="headerlink" href="#c.PyProperty_Type" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>The type object for the built-in descriptor types.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="function">
|
||
<dt id="c.PyDescr_NewGetSet">
|
||
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyDescr_NewGetSet</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em>, struct <a class="reference internal" href="structures.html#c.PyGetSetDef" title="PyGetSetDef">PyGetSetDef</a><em> *getset</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyDescr_NewGetSet" title="Permalink to this definition">¶</a></dt>
|
||
<dd><em class="refcount">Return value: New reference.</em></dd></dl>
|
||
|
||
<dl class="function">
|
||
<dt id="c.PyDescr_NewMember">
|
||
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyDescr_NewMember</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em>, struct <a class="reference internal" href="structures.html#c.PyMemberDef" title="PyMemberDef">PyMemberDef</a><em> *meth</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyDescr_NewMember" title="Permalink to this definition">¶</a></dt>
|
||
<dd><em class="refcount">Return value: New reference.</em></dd></dl>
|
||
|
||
<dl class="function">
|
||
<dt id="c.PyDescr_NewMethod">
|
||
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyDescr_NewMethod</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em>, struct <a class="reference internal" href="structures.html#c.PyMethodDef" title="PyMethodDef">PyMethodDef</a><em> *meth</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyDescr_NewMethod" title="Permalink to this definition">¶</a></dt>
|
||
<dd><em class="refcount">Return value: New reference.</em></dd></dl>
|
||
|
||
<dl class="function">
|
||
<dt id="c.PyDescr_NewWrapper">
|
||
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyDescr_NewWrapper</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em>, struct wrapperbase<em> *wrapper</em>, void<em> *wrapped</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyDescr_NewWrapper" title="Permalink to this definition">¶</a></dt>
|
||
<dd><em class="refcount">Return value: New reference.</em></dd></dl>
|
||
|
||
<dl class="function">
|
||
<dt id="c.PyDescr_NewClassMethod">
|
||
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyDescr_NewClassMethod</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em>, <a class="reference internal" href="structures.html#c.PyMethodDef" title="PyMethodDef">PyMethodDef</a><em> *method</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyDescr_NewClassMethod" title="Permalink to this definition">¶</a></dt>
|
||
<dd><em class="refcount">Return value: New reference.</em></dd></dl>
|
||
|
||
<dl class="function">
|
||
<dt id="c.PyDescr_IsData">
|
||
int <code class="descname">PyDescr_IsData</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *descr</em><span class="sig-paren">)</span><a class="headerlink" href="#c.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>
|
||
</dd></dl>
|
||
|
||
<dl class="function">
|
||
<dt id="c.PyWrapper_New">
|
||
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyWrapper_New</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyWrapper_New" title="Permalink to this definition">¶</a></dt>
|
||
<dd><em class="refcount">Return value: New reference.</em></dd></dl>
|
||
|
||
</div>
|
||
|
||
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<div class="sphinxsidebar" role="navigation" aria-label="main navigation">
|
||
<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>
|
||
<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 href="https://github.com/python/cpython/blob/3.7/Doc/c-api/descriptor.rst"
|
||
rel="nofollow">Show Source
|
||
</a>
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<div class="clearer"></div>
|
||
</div>
|
||
<div class="related" role="navigation" aria-label="related navigation">
|
||
<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="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; margin-top: -1px"/></li>
|
||
<li><a href="https://www.python.org/">Python</a> »</li>
|
||
<li>
|
||
<span class="language_switcher_placeholder">en</span>
|
||
<span class="version_switcher_placeholder">3.7.4</span>
|
||
<a href="../index.html">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="right">
|
||
|
||
|
||
<div class="inline-search" style="display: none" role="search">
|
||
<form class="inline-search" action="../search.html" method="get">
|
||
<input placeholder="Quick search" type="text" name="q" />
|
||
<input type="submit" value="Go" />
|
||
<input type="hidden" name="check_keywords" value="yes" />
|
||
<input type="hidden" name="area" value="default" />
|
||
</form>
|
||
</div>
|
||
<script type="text/javascript">$('.inline-search').show(0);</script>
|
||
|
|
||
</li>
|
||
|
||
</ul>
|
||
</div>
|
||
<div class="footer">
|
||
© <a href="../copyright.html">Copyright</a> 2001-2019, Python Software Foundation.
|
||
<br />
|
||
The Python Software Foundation is a non-profit corporation.
|
||
<a href="https://www.python.org/psf/donations/">Please donate.</a>
|
||
<br />
|
||
Last updated on Jul 13, 2019.
|
||
<a href="../bugs.html">Found a bug</a>?
|
||
<br />
|
||
Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 2.0.1.
|
||
</div>
|
||
|
||
</body>
|
||
</html> |