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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>8.16. new — Creation of runtime internal 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="8. Data Types" href="datatypes.html" /> <link rel="next" title="8.17. copy — Shallow and deep copy operations" href="copy.html" /> <link rel="prev" title="8.15. types — Names for built-in types" href="types.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="copy.html" title="8.17. copy — Shallow and deep copy operations" accesskey="N">next</a> |</li> <li class="right" > <a href="types.html" title="8.15. types — Names for built-in types" 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" >The Python Standard Library</a> »</li> <li><a href="datatypes.html" accesskey="U">8. Data Types</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="module-new"> <span id="new-creation-of-runtime-internal-objects"></span><h1>8.16. <a class="reference internal" href="#module-new" title="new: Interface to the creation of runtime implementation objects. (deprecated)"><tt class="xref py py-mod docutils literal"><span class="pre">new</span></tt></a> — Creation of runtime internal objects<a class="headerlink" href="#module-new" title="Permalink to this headline">¶</a></h1> <p class="deprecated"> <span class="versionmodified">Deprecated since version 2.6: </span>The <a class="reference internal" href="#module-new" title="new: Interface to the creation of runtime implementation objects. (deprecated)"><tt class="xref py py-mod docutils literal"><span class="pre">new</span></tt></a> module has been removed in Python 3. Use the <a class="reference internal" href="types.html#module-types" title="types: Names for built-in types."><tt class="xref py py-mod docutils literal"><span class="pre">types</span></tt></a> module’s classes instead.</p> <p>The <a class="reference internal" href="#module-new" title="new: Interface to the creation of runtime implementation objects. (deprecated)"><tt class="xref py py-mod docutils literal"><span class="pre">new</span></tt></a> module allows an interface to the interpreter object creation functions. This is for use primarily in marshal-type functions, when a new object needs to be created “magically” and not by using the regular creation functions. This module provides a low-level interface to the interpreter, so care must be exercised when using this module. It is possible to supply non-sensical arguments which crash the interpreter when the object is used.</p> <p>The <a class="reference internal" href="#module-new" title="new: Interface to the creation of runtime implementation objects. (deprecated)"><tt class="xref py py-mod docutils literal"><span class="pre">new</span></tt></a> module defines the following functions:</p> <dl class="function"> <dt id="new.instance"> <tt class="descclassname">new.</tt><tt class="descname">instance</tt><big>(</big><em>class</em><span class="optional">[</span>, <em>dict</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#new.instance" title="Permalink to this definition">¶</a></dt> <dd><p>This function creates an instance of <em>class</em> with dictionary <em>dict</em> without calling the <a class="reference internal" href="../reference/datamodel.html#object.__init__" title="object.__init__"><tt class="xref py py-meth docutils literal"><span class="pre">__init__()</span></tt></a> constructor. If <em>dict</em> is omitted or <tt class="docutils literal"><span class="pre">None</span></tt>, a new, empty dictionary is created for the new instance. Note that there are no guarantees that the object will be in a consistent state.</p> </dd></dl> <dl class="function"> <dt id="new.instancemethod"> <tt class="descclassname">new.</tt><tt class="descname">instancemethod</tt><big>(</big><em>function</em>, <em>instance</em>, <em>class</em><big>)</big><a class="headerlink" href="#new.instancemethod" title="Permalink to this definition">¶</a></dt> <dd><p>This function will return a method object, bound to <em>instance</em>, or unbound if <em>instance</em> is <tt class="docutils literal"><span class="pre">None</span></tt>. <em>function</em> must be callable.</p> </dd></dl> <dl class="function"> <dt id="new.function"> <tt class="descclassname">new.</tt><tt class="descname">function</tt><big>(</big><em>code</em>, <em>globals</em><span class="optional">[</span>, <em>name</em><span class="optional">[</span>, <em>argdefs</em><span class="optional">[</span>, <em>closure</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#new.function" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a (Python) function with the given code and globals. If <em>name</em> is given, it must be a string or <tt class="docutils literal"><span class="pre">None</span></tt>. If it is a string, the function will have the given name, otherwise the function name will be taken from <tt class="docutils literal"><span class="pre">code.co_name</span></tt>. If <em>argdefs</em> is given, it must be a tuple and will be used to determine the default values of parameters. If <em>closure</em> is given, it must be <tt class="docutils literal"><span class="pre">None</span></tt> or a tuple of cell objects containing objects to bind to the names in <tt class="docutils literal"><span class="pre">code.co_freevars</span></tt>.</p> </dd></dl> <dl class="function"> <dt id="new.code"> <tt class="descclassname">new.</tt><tt class="descname">code</tt><big>(</big><em>argcount</em>, <em>nlocals</em>, <em>stacksize</em>, <em>flags</em>, <em>codestring</em>, <em>constants</em>, <em>names</em>, <em>varnames</em>, <em>filename</em>, <em>name</em>, <em>firstlineno</em>, <em>lnotab</em><big>)</big><a class="headerlink" href="#new.code" title="Permalink to this definition">¶</a></dt> <dd><p>This function is an interface to the <a class="reference internal" href="../c-api/code.html#PyCode_New" title="PyCode_New"><tt class="xref c c-func docutils literal"><span class="pre">PyCode_New()</span></tt></a> C function.</p> </dd></dl> <dl class="function"> <dt id="new.module"> <tt class="descclassname">new.</tt><tt class="descname">module</tt><big>(</big><em>name</em><span class="optional">[</span>, <em>doc</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#new.module" title="Permalink to this definition">¶</a></dt> <dd><p>This function returns a new module object with name <em>name</em>. <em>name</em> must be a string. The optional <em>doc</em> argument can have any type.</p> </dd></dl> <dl class="function"> <dt id="new.classobj"> <tt class="descclassname">new.</tt><tt class="descname">classobj</tt><big>(</big><em>name</em>, <em>baseclasses</em>, <em>dict</em><big>)</big><a class="headerlink" href="#new.classobj" title="Permalink to this definition">¶</a></dt> <dd><p>This function returns a new class object, with name <em>name</em>, derived from <em>baseclasses</em> (which should be a tuple of classes) and with namespace <em>dict</em>.</p> </dd></dl> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="types.html" title="previous chapter">8.15. <tt class="docutils literal"><span class="pre">types</span></tt> — Names for built-in types</a></p> <h4>Next topic</h4> <p class="topless"><a href="copy.html" title="next chapter">8.17. <tt class="docutils literal"><span class="pre">copy</span></tt> — Shallow and deep copy operations</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/library/new.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="copy.html" title="8.17. copy — Shallow and deep copy operations" >next</a> |</li> <li class="right" > <a href="types.html" title="8.15. types — Names for built-in types" >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" >The Python Standard Library</a> »</li> <li><a href="datatypes.html" >8. Data Types</a> »</li> </ul> </div> <div class="footer"> © <a href="../copyright.html">Copyright</a> 1990-2020, 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 Oct 13, 2020. <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>