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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>Function 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="Method Objects" href="method.html" /> <link rel="prev" title="Class and Instance Objects" href="class.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="method.html" title="Method Objects" accesskey="N">next</a> |</li> <li class="right" > <a href="class.html" title="Class and Instance 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="function-objects"> <span id="id1"></span><h1>Function Objects<a class="headerlink" href="#function-objects" title="Permalink to this headline">¶</a></h1> <p id="index-0">There are a few functions specific to Python functions.</p> <dl class="type"> <dt id="PyFunctionObject"> <tt class="descname">PyFunctionObject</tt><a class="headerlink" href="#PyFunctionObject" title="Permalink to this definition">¶</a></dt> <dd><p>The C structure used for functions.</p> </dd></dl> <dl class="var"> <dt id="PyFunction_Type"> <a class="reference internal" href="type.html#PyTypeObject" title="PyTypeObject">PyTypeObject</a> <tt class="descname">PyFunction_Type</tt><a class="headerlink" href="#PyFunction_Type" title="Permalink to this definition">¶</a></dt> <dd><p id="index-1">This is an instance of <a class="reference internal" href="type.html#PyTypeObject" title="PyTypeObject"><tt class="xref c c-type docutils literal"><span class="pre">PyTypeObject</span></tt></a> and represents the Python function type. It is exposed to Python programmers as <tt class="docutils literal"><span class="pre">types.FunctionType</span></tt>.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_Check"> int <tt class="descname">PyFunction_Check</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *o</em><big>)</big><a class="headerlink" href="#PyFunction_Check" title="Permalink to this definition">¶</a></dt> <dd><p>Return true if <em>o</em> is a function object (has type <a class="reference internal" href="#PyFunction_Type" title="PyFunction_Type"><tt class="xref c c-data docutils literal"><span class="pre">PyFunction_Type</span></tt></a>). The parameter must not be <em>NULL</em>.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_New"> <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a>* <tt class="descname">PyFunction_New</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *code</em>, <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *globals</em><big>)</big><a class="headerlink" href="#PyFunction_New" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: New reference.</em><p>Return a new function object associated with the code object <em>code</em>. <em>globals</em> must be a dictionary with the global variables accessible to the function.</p> <p>The function’s docstring, name and <em>__module__</em> are retrieved from the code object, the argument defaults and closure are set to <em>NULL</em>.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_GetCode"> <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a>* <tt class="descname">PyFunction_GetCode</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *op</em><big>)</big><a class="headerlink" href="#PyFunction_GetCode" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the code object associated with the function object <em>op</em>.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_GetGlobals"> <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a>* <tt class="descname">PyFunction_GetGlobals</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *op</em><big>)</big><a class="headerlink" href="#PyFunction_GetGlobals" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the globals dictionary associated with the function object <em>op</em>.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_GetModule"> <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a>* <tt class="descname">PyFunction_GetModule</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *op</em><big>)</big><a class="headerlink" href="#PyFunction_GetModule" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the <em>__module__</em> attribute of the function object <em>op</em>. This is normally a string containing the module name, but can be set to any other object by Python code.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_GetDefaults"> <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a>* <tt class="descname">PyFunction_GetDefaults</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *op</em><big>)</big><a class="headerlink" href="#PyFunction_GetDefaults" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the argument default values of the function object <em>op</em>. This can be a tuple of arguments or <em>NULL</em>.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_SetDefaults"> int <tt class="descname">PyFunction_SetDefaults</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *op</em>, <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *defaults</em><big>)</big><a class="headerlink" href="#PyFunction_SetDefaults" title="Permalink to this definition">¶</a></dt> <dd><p>Set the argument default values for the function object <em>op</em>. <em>defaults</em> must be <em>Py_None</em> or a tuple.</p> <p>Raises <a class="reference internal" href="../library/exceptions.html#exceptions.SystemError" title="exceptions.SystemError"><tt class="xref py py-exc docutils literal"><span class="pre">SystemError</span></tt></a> and returns <tt class="docutils literal"><span class="pre">-1</span></tt> on failure.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_GetClosure"> <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a>* <tt class="descname">PyFunction_GetClosure</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *op</em><big>)</big><a class="headerlink" href="#PyFunction_GetClosure" title="Permalink to this definition">¶</a></dt> <dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the closure associated with the function object <em>op</em>. This can be <em>NULL</em> or a tuple of cell objects.</p> </dd></dl> <dl class="function"> <dt id="PyFunction_SetClosure"> int <tt class="descname">PyFunction_SetClosure</tt><big>(</big><a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *op</em>, <a class="reference internal" href="structures.html#PyObject" title="PyObject">PyObject</a><em> *closure</em><big>)</big><a class="headerlink" href="#PyFunction_SetClosure" title="Permalink to this definition">¶</a></dt> <dd><p>Set the closure associated with the function object <em>op</em>. <em>closure</em> must be <em>Py_None</em> or a tuple of cell objects.</p> <p>Raises <a class="reference internal" href="../library/exceptions.html#exceptions.SystemError" title="exceptions.SystemError"><tt class="xref py py-exc docutils literal"><span class="pre">SystemError</span></tt></a> and returns <tt class="docutils literal"><span class="pre">-1</span></tt> on failure.</p> </dd></dl> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="class.html" title="previous chapter">Class and Instance Objects</a></p> <h4>Next topic</h4> <p class="topless"><a href="method.html" title="next chapter">Method 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/function.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" /> <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="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="method.html" title="Method Objects" >next</a> |</li> <li class="right" > <a href="class.html" title="Class and Instance Objects" >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" >Concrete Objects Layer</a> »</li> </ul> </div> <div class="footer"> © <a href="../copyright.html">Copyright</a> 1990-2019, Python Software Foundation. <br /> The Python Software Foundation is a non-profit corporation. <a href="http://www.python.org/psf/donations/">Please donate.</a> <br /> Last updated on Jul 03, 2019. <a href="../bugs.html">Found a bug</a>? <br /> Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.3. </div> </body> </html>