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<div class="section" id="module-objects">
<span id="moduleobjects"></span><h1>Module Objects<a class="headerlink" href="#module-objects" title="Permalink to this headline">¶</a></h1>
<p id="index-0">There are only a few functions special to module objects.</p>
<dl class="var">
<dt id="c.PyModule_Type">
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a> <code class="descname">PyModule_Type</code><a class="headerlink" href="#c.PyModule_Type" title="Permalink to this definition">¶</a></dt>
<dd><p id="index-1">This instance of <a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyTypeObject</span></code></a> represents the Python module type. This
is exposed to Python programs as <code class="docutils literal notranslate"><span class="pre">types.ModuleType</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_Check">
int <code class="descname">PyModule_Check</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_Check" title="Permalink to this definition">¶</a></dt>
<dd><p>Return true if <em>p</em> is a module object, or a subtype of a module object.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 2.2: </span>Allowed subtypes to be accepted.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_CheckExact">
int <code class="descname">PyModule_CheckExact</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_CheckExact" title="Permalink to this definition">¶</a></dt>
<dd><p>Return true if <em>p</em> is a module object, but not a subtype of
<a class="reference internal" href="#c.PyModule_Type" title="PyModule_Type"><code class="xref c c-data docutils literal notranslate"><span class="pre">PyModule_Type</span></code></a>.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 2.2.</span></p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_New">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyModule_New</code><span class="sig-paren">(</span>const char<em> *name</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_New" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p id="index-2">Return a new module object with the <code class="xref py py-attr docutils literal notranslate"><span class="pre">__name__</span></code> attribute set to <em>name</em>.
Only the module’s <code class="xref py py-attr docutils literal notranslate"><span class="pre">__doc__</span></code> and <code class="xref py py-attr docutils literal notranslate"><span class="pre">__name__</span></code> attributes are filled in;
the caller is responsible for providing a <code class="xref py py-attr docutils literal notranslate"><span class="pre">__file__</span></code> attribute.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_GetDict">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyModule_GetDict</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_GetDict" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p id="index-3">Return the dictionary object that implements <em>module</em>’s namespace; this object
is the same as the <a class="reference internal" href="../library/stdtypes.html#object.__dict__" title="object.__dict__"><code class="xref py py-attr docutils literal notranslate"><span class="pre">__dict__</span></code></a> attribute of the module object. This
function never fails. It is recommended extensions use other
<code class="xref c c-func docutils literal notranslate"><span class="pre">PyModule_*()</span></code> and <code class="xref c c-func docutils literal notranslate"><span class="pre">PyObject_*()</span></code> functions rather than directly
manipulate a module’s <a class="reference internal" href="../library/stdtypes.html#object.__dict__" title="object.__dict__"><code class="xref py py-attr docutils literal notranslate"><span class="pre">__dict__</span></code></a>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_GetName">
char* <code class="descname">PyModule_GetName</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_GetName" title="Permalink to this definition">¶</a></dt>
<dd><p id="index-4">Return <em>module</em>’s <code class="xref py py-attr docutils literal notranslate"><span class="pre">__name__</span></code> value. If the module does not provide one,
or if it is not a string, <a class="reference internal" href="../library/exceptions.html#exceptions.SystemError" title="exceptions.SystemError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">SystemError</span></code></a> is raised and <em>NULL</em> is returned.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_GetFilename">
char* <code class="descname">PyModule_GetFilename</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_GetFilename" title="Permalink to this definition">¶</a></dt>
<dd><p id="index-5">Return the name of the file from which <em>module</em> was loaded using <em>module</em>’s
<code class="xref py py-attr docutils literal notranslate"><span class="pre">__file__</span></code> attribute. If this is not defined, or if it is not a string,
raise <a class="reference internal" href="../library/exceptions.html#exceptions.SystemError" title="exceptions.SystemError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">SystemError</span></code></a> and return <em>NULL</em>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_AddObject">
int <code class="descname">PyModule_AddObject</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em>, const char<em> *name</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *value</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_AddObject" title="Permalink to this definition">¶</a></dt>
<dd><p>Add an object to <em>module</em> as <em>name</em>. This is a convenience function which can
be used from the module’s initialization function. This steals a reference to
<em>value</em>. Return <code class="docutils literal notranslate"><span class="pre">-1</span></code> on error, <code class="docutils literal notranslate"><span class="pre">0</span></code> on success.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 2.0.</span></p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_AddIntConstant">
int <code class="descname">PyModule_AddIntConstant</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em>, const char<em> *name</em>, long<em> value</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_AddIntConstant" title="Permalink to this definition">¶</a></dt>
<dd><p>Add an integer constant to <em>module</em> as <em>name</em>. This convenience function can be
used from the module’s initialization function. Return <code class="docutils literal notranslate"><span class="pre">-1</span></code> on error, <code class="docutils literal notranslate"><span class="pre">0</span></code> on
success.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 2.0.</span></p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_AddStringConstant">
int <code class="descname">PyModule_AddStringConstant</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em>, const char<em> *name</em>, const char<em> *value</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_AddStringConstant" title="Permalink to this definition">¶</a></dt>
<dd><p>Add a string constant to <em>module</em> as <em>name</em>. This convenience function can be
used from the module’s initialization function. The string <em>value</em> must be
null-terminated. Return <code class="docutils literal notranslate"><span class="pre">-1</span></code> on error, <code class="docutils literal notranslate"><span class="pre">0</span></code> on success.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 2.0.</span></p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_AddIntMacro">
int <code class="descname">PyModule_AddIntMacro</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em>, macro<span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_AddIntMacro" title="Permalink to this definition">¶</a></dt>
<dd><p>Add an int constant to <em>module</em>. The name and the value are taken from
<em>macro</em>. For example <code class="docutils literal notranslate"><span class="pre">PyModule_AddIntMacro(module,</span> <span class="pre">AF_INET)</span></code> adds the int
constant <em>AF_INET</em> with the value of <em>AF_INET</em> to <em>module</em>.
Return <code class="docutils literal notranslate"><span class="pre">-1</span></code> on error, <code class="docutils literal notranslate"><span class="pre">0</span></code> on success.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 2.6.</span></p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyModule_AddStringMacro">
int <code class="descname">PyModule_AddStringMacro</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *module</em>, macro<span class="sig-paren">)</span><a class="headerlink" href="#c.PyModule_AddStringMacro" title="Permalink to this definition">¶</a></dt>
<dd><blockquote>
<div><p>Add a string constant to <em>module</em>.</p>
</div></blockquote>
<div class="versionadded">
<p><span class="versionmodified added">New in version 2.6.</span></p>
</div>
</dd></dl>
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