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  <div class="section" id="boolean-objects">
<span id="boolobjects"></span><h1>Boolean Objects<a class="headerlink" href="#boolean-objects" title="Permalink to this headline">¶</a></h1>
<p>Booleans in Python are implemented as a subclass of integers.  There are only
two booleans, <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_False</span></code> and <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_True</span></code>.  As such, the normal
creation and deletion functions don’t apply to booleans.  The following macros
are available, however.</p>
<dl class="function">
<dt id="c.PyBool_Check">
int <code class="descname">PyBool_Check</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyBool_Check" title="Permalink to this definition">¶</a></dt>
<dd><p>Return true if <em>o</em> is of type <code class="xref c c-data docutils literal notranslate"><span class="pre">PyBool_Type</span></code>.</p>
<div class="versionadded">
<p><span class="versionmodified">New in version 2.3.</span></p>
</div>
</dd></dl>

<dl class="var">
<dt id="c.Py_False">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">Py_False</code><a class="headerlink" href="#c.Py_False" title="Permalink to this definition">¶</a></dt>
<dd><p>The Python <code class="docutils literal notranslate"><span class="pre">False</span></code> object.  This object has no methods.  It needs to be
treated just like any other object with respect to reference counts.</p>
</dd></dl>

<dl class="var">
<dt id="c.Py_True">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">Py_True</code><a class="headerlink" href="#c.Py_True" title="Permalink to this definition">¶</a></dt>
<dd><p>The Python <code class="docutils literal notranslate"><span class="pre">True</span></code> object.  This object has no methods.  It needs to be treated
just like any other object with respect to reference counts.</p>
</dd></dl>

<dl class="macro">
<dt id="c.Py_RETURN_FALSE">
<code class="descname">Py_RETURN_FALSE</code><a class="headerlink" href="#c.Py_RETURN_FALSE" title="Permalink to this definition">¶</a></dt>
<dd><p>Return <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_False</span></code> from a function, properly incrementing its reference
count.</p>
<div class="versionadded">
<p><span class="versionmodified">New in version 2.4.</span></p>
</div>
</dd></dl>

<dl class="macro">
<dt id="c.Py_RETURN_TRUE">
<code class="descname">Py_RETURN_TRUE</code><a class="headerlink" href="#c.Py_RETURN_TRUE" title="Permalink to this definition">¶</a></dt>
<dd><p>Return <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_True</span></code> from a function, properly incrementing its reference
count.</p>
<div class="versionadded">
<p><span class="versionmodified">New in version 2.4.</span></p>
</div>
</dd></dl>

<dl class="function">
<dt id="c.PyBool_FromLong">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyBool_FromLong</code><span class="sig-paren">(</span>long<em>&nbsp;v</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyBool_FromLong" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return a new reference to <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_True</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_False</span></code> depending on the
truth value of <em>v</em>.</p>
<div class="versionadded">
<p><span class="versionmodified">New in version 2.3.</span></p>
</div>
</dd></dl>

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