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<section id="descriptor-objects">
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<span id="id1"></span><h1>描述符对象<a class="headerlink" href="#descriptor-objects" title="永久链接至标题">¶</a></h1>
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<p>“描述符”是描述对象的某些属性的对象。它们存在于类型对象的字典中。</p>
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<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a> <code class="sig-name descname">PyProperty_Type</code><a class="headerlink" href="#c.PyProperty_Type" title="永久链接至目标">¶</a></dt>
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<dd><p>内建描述符类型的类型对象。</p>
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<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name 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="永久链接至目标">¶</a></dt>
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<dd><em class="refcount">Return value: New reference.</em></dd></dl>
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<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name 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="永久链接至目标">¶</a></dt>
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<dd><em class="refcount">Return value: New reference.</em></dd></dl>
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<dt id="c.PyDescr_NewMethod">
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<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name 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="永久链接至目标">¶</a></dt>
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<dd><em class="refcount">Return value: New reference.</em></dd></dl>
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<dt id="c.PyDescr_NewWrapper">
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<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name 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="永久链接至目标">¶</a></dt>
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<dd><em class="refcount">Return value: New reference.</em></dd></dl>
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<dt id="c.PyDescr_NewClassMethod">
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<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name 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="永久链接至目标">¶</a></dt>
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<dd><em class="refcount">Return value: New reference.</em></dd></dl>
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<dt id="c.PyDescr_IsData">
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int <code class="sig-name 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="永久链接至目标">¶</a></dt>
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<dd><p>如果描述符对象 <em>descr</em> 描述数据属性，则返回true；如果描述方法，则返回false。 <em>descr</em> 必须是描述符对象；没有错误检查。</p>
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<dd><em class="refcount">Return value: New reference.</em></dd></dl>
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最后更新于 12月 09, 2024.
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