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  <section id="code-objects">
<span id="codeobjects"></span><span id="index-0"></span><h1>Code Objects<a class="headerlink" href="#code-objects" title="Link to this heading">¶</a></h1>
<p>Code objects are a low-level detail of the CPython implementation.
Each one represents a chunk of executable code that hasn't yet been
bound into a function.</p>
<dl class="c type">
<dt class="sig sig-object c" id="c.PyCodeObject">
<span class="k"><span class="pre">type</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCodeObject</span></span></span><a class="headerlink" href="#c.PyCodeObject" title="Link to this definition">¶</a><br /></dt>
<dd><p>The C structure of the objects used to describe code objects.  The
fields of this type are subject to change at any time.</p>
<dl class="c var">
<dt class="sig sig-object c" id="c.PyCode_Type">
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject"><span class="n"><span class="pre">PyTypeObject</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_Type</span></span></span><a class="headerlink" href="#c.PyCode_Type" title="Link to this definition">¶</a><br /></dt>
<dd><p>This is an 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> representing the Python
<a class="reference internal" href="../reference/datamodel.html#code-objects"><span class="std std-ref">code object</span></a>.</p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_Check">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_Check</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_Check" title="Link to this definition">¶</a><br /></dt>
<dd><p>Return true if <em>co</em> is a <a class="reference internal" href="../reference/datamodel.html#code-objects"><span class="std std-ref">code object</span></a>.
This function always succeeds.</p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_GetNumFree">
<a class="reference internal" href="intro.html#c.Py_ssize_t" title="Py_ssize_t"><span class="n"><span class="pre">Py_ssize_t</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_GetNumFree</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_GetNumFree" title="Link to this definition">¶</a><br /></dt>
<dd><p>Return the number of <a class="reference internal" href="../glossary.html#term-closure-variable"><span class="xref std std-term">free (closure) variables</span></a>
in a code object.</p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyUnstable_Code_GetFirstFree">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyUnstable_Code_GetFirstFree</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyUnstable_Code_GetFirstFree" title="Link to this definition">¶</a><br /></dt>
<dd><div class="unstable-c-api warning admonition">
<em>این است <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">API ناپایدار</span></a>این ممکن است بدون هشدار در نسخه‌های جزئی تغییر کند.</em></div>
<p>Return the position of the first <a class="reference internal" href="../glossary.html#term-closure-variable"><span class="xref std std-term">free (closure) variable</span></a>
in a code object.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.13: </span>Renamed from <code class="docutils literal notranslate"><span class="pre">PyCode_GetFirstFree</span></code> as part of <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">Unstable C API</span></a>.
The old name is deprecated, but will remain available until the
signature changes again.</p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyUnstable_Code_New">
<a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyUnstable_Code_New</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">argcount</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">kwonlyargcount</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">nlocals</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">stacksize</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">flags</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">code</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">consts</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">names</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">varnames</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">freevars</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">cellvars</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">filename</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">name</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">qualname</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">firstlineno</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">linetable</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">exceptiontable</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyUnstable_Code_New" title="Link to this definition">¶</a><br /></dt>
<dd><div class="unstable-c-api warning admonition">
<em>این است <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">API ناپایدار</span></a>این ممکن است بدون هشدار در نسخه‌های جزئی تغییر کند.</em></div>
<p>Return a new code object.  If you need a dummy code object to create a frame,
use <a class="reference internal" href="#c.PyCode_NewEmpty" title="PyCode_NewEmpty"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyCode_NewEmpty()</span></code></a> instead.</p>
<p>Since the definition of the bytecode changes often, calling
<a class="reference internal" href="#c.PyUnstable_Code_New" title="PyUnstable_Code_New"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyUnstable_Code_New()</span></code></a> directly can bind you to a precise Python version.</p>
<p>The many arguments of this function are inter-dependent in complex
ways, meaning that subtle changes to values are likely to result in incorrect
execution or VM crashes. Use this function only with extreme care.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.11: </span>Added <code class="docutils literal notranslate"><span class="pre">qualname</span></code> and <code class="docutils literal notranslate"><span class="pre">exceptiontable</span></code> parameters.</p>
<div class="versionchanged" id="index-1">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.12: </span>Renamed from <code class="docutils literal notranslate"><span class="pre">PyCode_New</span></code> as part of <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">Unstable C API</span></a>.
The old name is deprecated, but will remain available until the
signature changes again.</p>
<dl class="c function" id="c.PyCode_NewWithPosOnlyArgs">
<dt class="sig sig-object c" id="c.PyUnstable_Code_NewWithPosOnlyArgs">
<a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyUnstable_Code_NewWithPosOnlyArgs</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">argcount</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">posonlyargcount</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">kwonlyargcount</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">nlocals</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">stacksize</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">flags</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">code</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">consts</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">names</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">varnames</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">freevars</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">cellvars</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">filename</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">name</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">qualname</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">firstlineno</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">linetable</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">exceptiontable</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyUnstable_Code_NewWithPosOnlyArgs" title="Link to this definition">¶</a><br /></dt>
<dd><div class="unstable-c-api warning admonition">
<em>این است <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">API ناپایدار</span></a>این ممکن است بدون هشدار در نسخه‌های جزئی تغییر کند.</em></div>
<p>Similar to <a class="reference internal" href="#c.PyUnstable_Code_New" title="PyUnstable_Code_New"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyUnstable_Code_New()</span></code></a>, but with an extra &quot;posonlyargcount&quot; for positional-only arguments.
The same caveats that apply to <code class="docutils literal notranslate"><span class="pre">PyUnstable_Code_New</span></code> also apply to this function.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.8: </span>as <code class="docutils literal notranslate"><span class="pre">PyCode_NewWithPosOnlyArgs</span></code></p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.11: </span>Added <code class="docutils literal notranslate"><span class="pre">qualname</span></code> and  <code class="docutils literal notranslate"><span class="pre">exceptiontable</span></code> parameters.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.12: </span>Renamed to <code class="docutils literal notranslate"><span class="pre">PyUnstable_Code_NewWithPosOnlyArgs</span></code>.
The old name is deprecated, but will remain available until the
signature changes again.</p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_NewEmpty">
<a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_NewEmpty</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="kt"><span class="pre">char</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">filename</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="kt"><span class="pre">char</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">funcname</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">firstlineno</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_NewEmpty" title="Link to this definition">¶</a><br /></dt>
<dd><em class="refcount return_new_ref">مقدار بازگشتی: مرجع جدید.</em><p>Return a new empty code object with the specified filename,
function name, and first line number. The resulting code
object will raise an <code class="docutils literal notranslate"><span class="pre">Exception</span></code> if executed.</p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_Addr2Line">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_Addr2Line</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">byte_offset</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_Addr2Line" title="Link to this definition">¶</a><br /></dt>
<dd><p>Return the line number of the instruction that occurs on or before <code class="docutils literal notranslate"><span class="pre">byte_offset</span></code> and ends after it.
If you just need the line number of a frame, use <a class="reference internal" href="frame.html#c.PyFrame_GetLineNumber" title="PyFrame_GetLineNumber"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyFrame_GetLineNumber()</span></code></a> instead.</p>
<p>For efficiently iterating over the line numbers in a code object, use <span class="target" id="index-2"></span><a class="pep reference external" href="https://peps.python.org/pep-0626/#out-of-process-debuggers-and-profilers"><strong>the API described in PEP 626</strong></a>.</p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_Addr2Location">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_Addr2Location</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">byte_offset</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">start_line</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">start_column</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">end_line</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">end_column</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_Addr2Location" title="Link to this definition">¶</a><br /></dt>
<dd><p>Sets the passed <code class="docutils literal notranslate"><span class="pre">int</span></code> pointers to the source code line and column numbers
for the instruction at <code class="docutils literal notranslate"><span class="pre">byte_offset</span></code>. Sets the value to <code class="docutils literal notranslate"><span class="pre">0</span></code> when
information is not available for any particular element.</p>
<p>Returns <code class="docutils literal notranslate"><span class="pre">1</span></code> if the function succeeds and 0 otherwise.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.11.</span></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_GetCode">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_GetCode</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_GetCode" title="Link to this definition">¶</a><br /></dt>
<dd><p>Equivalent to the Python code <code class="docutils literal notranslate"><span class="pre">getattr(co,</span> <span class="pre">'co_code')</span></code>.
Returns a strong reference to a <a class="reference internal" href="bytes.html#c.PyBytesObject" title="PyBytesObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyBytesObject</span></code></a> representing the
bytecode in a code object. On error, <code class="docutils literal notranslate"><span class="pre">NULL</span></code> is returned and an exception
is raised.</p>
<p>This <code class="docutils literal notranslate"><span class="pre">PyBytesObject</span></code> may be created on-demand by the interpreter and does
not necessarily represent the bytecode actually executed by CPython. The
primary use case for this function is debuggers and profilers.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.11.</span></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_GetVarnames">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_GetVarnames</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_GetVarnames" title="Link to this definition">¶</a><br /></dt>
<dd><p>Equivalent to the Python code <code class="docutils literal notranslate"><span class="pre">getattr(co,</span> <span class="pre">'co_varnames')</span></code>.
Returns a new reference to a <a class="reference internal" href="tuple.html#c.PyTupleObject" title="PyTupleObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyTupleObject</span></code></a> containing the names of
the local variables. On error, <code class="docutils literal notranslate"><span class="pre">NULL</span></code> is returned and an exception
is raised.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.11.</span></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_GetCellvars">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_GetCellvars</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_GetCellvars" title="Link to this definition">¶</a><br /></dt>
<dd><p>Equivalent to the Python code <code class="docutils literal notranslate"><span class="pre">getattr(co,</span> <span class="pre">'co_cellvars')</span></code>.
Returns a new reference to a <a class="reference internal" href="tuple.html#c.PyTupleObject" title="PyTupleObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyTupleObject</span></code></a> containing the names of
the local variables that are referenced by nested functions. On error, <code class="docutils literal notranslate"><span class="pre">NULL</span></code>
is returned and an exception is raised.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.11.</span></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_GetFreevars">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_GetFreevars</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_GetFreevars" title="Link to this definition">¶</a><br /></dt>
<dd><p>Equivalent to the Python code <code class="docutils literal notranslate"><span class="pre">getattr(co,</span> <span class="pre">'co_freevars')</span></code>.
Returns a new reference to a <a class="reference internal" href="tuple.html#c.PyTupleObject" title="PyTupleObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyTupleObject</span></code></a> containing the names of
the <a class="reference internal" href="../glossary.html#term-closure-variable"><span class="xref std std-term">free (closure) variables</span></a>. On error, <code class="docutils literal notranslate"><span class="pre">NULL</span></code> is returned
and an exception is raised.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.11.</span></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_AddWatcher">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_AddWatcher</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="#c.PyCode_WatchCallback" title="PyCode_WatchCallback"><span class="n"><span class="pre">PyCode_WatchCallback</span></span></a><span class="w"> </span><span class="n"><span class="pre">callback</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_AddWatcher" title="Link to this definition">¶</a><br /></dt>
<dd><p>Register <em>callback</em> as a code object watcher for the current interpreter.
Return an ID which may be passed to <a class="reference internal" href="#c.PyCode_ClearWatcher" title="PyCode_ClearWatcher"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyCode_ClearWatcher()</span></code></a>.
In case of error (e.g. no more watcher IDs available),
return <code class="docutils literal notranslate"><span class="pre">-1</span></code> and set an exception.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.12.</span></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_ClearWatcher">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_ClearWatcher</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">watcher_id</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_ClearWatcher" title="Link to this definition">¶</a><br /></dt>
<dd><p>Clear watcher identified by <em>watcher_id</em> previously returned from
<a class="reference internal" href="#c.PyCode_AddWatcher" title="PyCode_AddWatcher"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyCode_AddWatcher()</span></code></a> for the current interpreter.
Return <code class="docutils literal notranslate"><span class="pre">0</span></code> on success, or <code class="docutils literal notranslate"><span class="pre">-1</span></code> and set an exception on error
(e.g. if the given <em>watcher_id</em> was never registered.)</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.12.</span></p>
<dl class="c type">
<dt class="sig sig-object c" id="c.PyCodeEvent">
<span class="k"><span class="pre">type</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyCodeEvent</span></span></span><a class="headerlink" href="#c.PyCodeEvent" title="Link to this definition">¶</a><br /></dt>
<dd><p>Enumeration of possible code object watcher events:
- <code class="docutils literal notranslate"><span class="pre">PY_CODE_EVENT_CREATE</span></code>
- <code class="docutils literal notranslate"><span class="pre">PY_CODE_EVENT_DESTROY</span></code></p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.12.</span></p>
<dl class="c type">
<dt class="sig sig-object c" id="c.PyCode_WatchCallback">
<span class="k"><span class="pre">typedef</span></span><span class="w"> </span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_WatchCallback</span></span></span><span class="p"><span class="pre">)</span></span><span class="p"><span class="pre">(</span></span><a class="reference internal" href="#c.PyCodeEvent" title="PyCodeEvent"><span class="n"><span class="pre">PyCodeEvent</span></span></a><span class="w"> </span><span class="n"><span class="pre">event</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><a class="reference internal" href="#c.PyCodeObject" title="PyCodeObject"><span class="n"><span class="pre">PyCodeObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">co</span></span><span class="p"><span class="pre">)</span></span><a class="headerlink" href="#c.PyCode_WatchCallback" title="Link to this definition">¶</a><br /></dt>
<dd><p>Type of a code object watcher callback function.</p>
<p>If <em>event</em> is <code class="docutils literal notranslate"><span class="pre">PY_CODE_EVENT_CREATE</span></code>, then the callback is invoked
after <em>co</em> has been fully initialized. Otherwise, the callback is invoked
before the destruction of <em>co</em> takes place, so the prior state of <em>co</em>
can be inspected.</p>
<p>If <em>event</em> is <code class="docutils literal notranslate"><span class="pre">PY_CODE_EVENT_DESTROY</span></code>, taking a reference in the callback
to the about-to-be-destroyed code object will resurrect it and prevent it
from being freed at this time. When the resurrected object is destroyed
later, any watcher callbacks active at that time will be called again.</p>
<p>Users of this API should not rely on internal runtime implementation
details. Such details may include, but are not limited to, the exact
order and timing of creation and destruction of code objects. While
changes in these details may result in differences observable by watchers
(including whether a callback is invoked or not), it does not change
the semantics of the Python code being executed.</p>
<p>If the callback sets an exception, it must return <code class="docutils literal notranslate"><span class="pre">-1</span></code>; this exception will
be printed as an unraisable exception using <a class="reference internal" href="exceptions.html#c.PyErr_WriteUnraisable" title="PyErr_WriteUnraisable"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyErr_WriteUnraisable()</span></code></a>.
Otherwise it should return <code class="docutils literal notranslate"><span class="pre">0</span></code>.</p>
<p>There may already be a pending exception set on entry to the callback. In
this case, the callback should return <code class="docutils literal notranslate"><span class="pre">0</span></code> with the same exception still
set. This means the callback may not call any other API that can set an
exception unless it saves and clears the exception state first, and restores
it before returning.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.12.</span></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.PyCode_Optimize">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyCode_Optimize</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">code</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">consts</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">names</span></span>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">lnotab_obj</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyCode_Optimize" title="Link to this definition">¶</a><br /></dt>
<dd><p>This is a <a class="reference internal" href="../glossary.html#term-soft-deprecated"><span class="xref std std-term">soft deprecated</span></a> function that does nothing.</p>
<p>Prior to Python 3.10, this function would perform basic optimizations to a
code object.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.10: </span>This function now does nothing.</p>
<section id="code-object-flags">
<span id="c-codeobject-flags"></span><h1>Code Object Flags<a class="headerlink" href="#code-object-flags" title="Link to this heading">¶</a></h1>
<p>Code objects contain a bit-field of flags, which can be retrieved as the
<a class="reference internal" href="../reference/datamodel.html#codeobject.co_flags" title="codeobject.co_flags"><code class="xref py py-attr docutils literal notranslate"><span class="pre">co_flags</span></code></a> Python attribute (for example using
<a class="reference internal" href="object.html#c.PyObject_GetAttrString" title="PyObject_GetAttrString"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyObject_GetAttrString()</span></code></a>), and set using a <em>flags</em> argument to
<a class="reference internal" href="#c.PyUnstable_Code_New" title="PyUnstable_Code_New"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyUnstable_Code_New()</span></code></a> and similar functions.</p>
<p>Flags whose names start with <code class="docutils literal notranslate"><span class="pre">CO_FUTURE_</span></code> correspond to features normally
selectable by <a class="reference internal" href="../reference/simple_stmts.html#future"><span class="std std-ref">future statements</span></a>. These flags can be used in
<a class="reference internal" href="veryhigh.html#c.PyCompilerFlags.cf_flags" title="PyCompilerFlags.cf_flags"><code class="xref c c-member docutils literal notranslate"><span class="pre">PyCompilerFlags.cf_flags</span></code></a>.
Note that many <code class="docutils literal notranslate"><span class="pre">CO_FUTURE_</span></code> flags are mandatory in current versions of
Python, and setting them has no effect.</p>
<p>The following flags are available.
For their meaning, see the linked documentation of their Python equivalents.</p>
<table class="docutils align-default">
<tr class="row-odd"><th class="head"><p>Flag</p></th>
<th class="head"><p>Meaning</p></th>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_OPTIMIZED">
<span class="sig-name descname"><span class="n"><span class="pre">CO_OPTIMIZED</span></span></span><a class="headerlink" href="#c.CO_OPTIMIZED" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_OPTIMIZED" title="inspect.CO_OPTIMIZED"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_OPTIMIZED</span></code></a></p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_NEWLOCALS">
<span class="sig-name descname"><span class="n"><span class="pre">CO_NEWLOCALS</span></span></span><a class="headerlink" href="#c.CO_NEWLOCALS" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_NEWLOCALS" title="inspect.CO_NEWLOCALS"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_NEWLOCALS</span></code></a></p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_VARARGS">
<span class="sig-name descname"><span class="n"><span class="pre">CO_VARARGS</span></span></span><a class="headerlink" href="#c.CO_VARARGS" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_VARARGS" title="inspect.CO_VARARGS"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_VARARGS</span></code></a></p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_VARKEYWORDS">
<span class="sig-name descname"><span class="n"><span class="pre">CO_VARKEYWORDS</span></span></span><a class="headerlink" href="#c.CO_VARKEYWORDS" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_VARKEYWORDS" title="inspect.CO_VARKEYWORDS"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_VARKEYWORDS</span></code></a></p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_NESTED">
<span class="sig-name descname"><span class="n"><span class="pre">CO_NESTED</span></span></span><a class="headerlink" href="#c.CO_NESTED" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_NESTED" title="inspect.CO_NESTED"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_NESTED</span></code></a></p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_GENERATOR">
<span class="sig-name descname"><span class="n"><span class="pre">CO_GENERATOR</span></span></span><a class="headerlink" href="#c.CO_GENERATOR" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_GENERATOR" title="inspect.CO_GENERATOR"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_GENERATOR</span></code></a></p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_COROUTINE">
<span class="sig-name descname"><span class="n"><span class="pre">CO_COROUTINE</span></span></span><a class="headerlink" href="#c.CO_COROUTINE" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_COROUTINE" title="inspect.CO_COROUTINE"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_COROUTINE</span></code></a></p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_ITERABLE_COROUTINE">
<span class="sig-name descname"><span class="n"><span class="pre">CO_ITERABLE_COROUTINE</span></span></span><a class="headerlink" href="#c.CO_ITERABLE_COROUTINE" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_ITERABLE_COROUTINE" title="inspect.CO_ITERABLE_COROUTINE"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_ITERABLE_COROUTINE</span></code></a></p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_ASYNC_GENERATOR">
<span class="sig-name descname"><span class="n"><span class="pre">CO_ASYNC_GENERATOR</span></span></span><a class="headerlink" href="#c.CO_ASYNC_GENERATOR" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_ASYNC_GENERATOR" title="inspect.CO_ASYNC_GENERATOR"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_ASYNC_GENERATOR</span></code></a></p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_HAS_DOCSTRING">
<span class="sig-name descname"><span class="n"><span class="pre">CO_HAS_DOCSTRING</span></span></span><a class="headerlink" href="#c.CO_HAS_DOCSTRING" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_HAS_DOCSTRING" title="inspect.CO_HAS_DOCSTRING"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_HAS_DOCSTRING</span></code></a></p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_METHOD">
<span class="sig-name descname"><span class="n"><span class="pre">CO_METHOD</span></span></span><a class="headerlink" href="#c.CO_METHOD" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/inspect.html#inspect.CO_METHOD" title="inspect.CO_METHOD"><code class="xref py py-data docutils literal notranslate"><span class="pre">inspect.CO_METHOD</span></code></a></p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_FUTURE_DIVISION">
<span class="sig-name descname"><span class="n"><span class="pre">CO_FUTURE_DIVISION</span></span></span><a class="headerlink" href="#c.CO_FUTURE_DIVISION" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p>no effect (<a class="reference internal" href="../library/__future__.html#future__.division" title="__future__.division"><code class="xref py py-data docutils literal notranslate"><span class="pre">__future__.division</span></code></a>)</p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_FUTURE_ABSOLUTE_IMPORT">
<span class="sig-name descname"><span class="n"><span class="pre">CO_FUTURE_ABSOLUTE_IMPORT</span></span></span><a class="headerlink" href="#c.CO_FUTURE_ABSOLUTE_IMPORT" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p>no effect (<a class="reference internal" href="../library/__future__.html#future__.absolute_import" title="__future__.absolute_import"><code class="xref py py-data docutils literal notranslate"><span class="pre">__future__.absolute_import</span></code></a>)</p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_FUTURE_WITH_STATEMENT">
<span class="sig-name descname"><span class="n"><span class="pre">CO_FUTURE_WITH_STATEMENT</span></span></span><a class="headerlink" href="#c.CO_FUTURE_WITH_STATEMENT" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p>no effect (<a class="reference internal" href="../library/__future__.html#future__.with_statement" title="__future__.with_statement"><code class="xref py py-data docutils literal notranslate"><span class="pre">__future__.with_statement</span></code></a>)</p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_FUTURE_PRINT_FUNCTION">
<span class="sig-name descname"><span class="n"><span class="pre">CO_FUTURE_PRINT_FUNCTION</span></span></span><a class="headerlink" href="#c.CO_FUTURE_PRINT_FUNCTION" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p>no effect (<a class="reference internal" href="../library/__future__.html#future__.print_function" title="__future__.print_function"><code class="xref py py-data docutils literal notranslate"><span class="pre">__future__.print_function</span></code></a>)</p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_FUTURE_UNICODE_LITERALS">
<span class="sig-name descname"><span class="n"><span class="pre">CO_FUTURE_UNICODE_LITERALS</span></span></span><a class="headerlink" href="#c.CO_FUTURE_UNICODE_LITERALS" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p>no effect (<a class="reference internal" href="../library/__future__.html#future__.unicode_literals" title="__future__.unicode_literals"><code class="xref py py-data docutils literal notranslate"><span class="pre">__future__.unicode_literals</span></code></a>)</p></td>
<tr class="row-even"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_FUTURE_GENERATOR_STOP">
<span class="sig-name descname"><span class="n"><span class="pre">CO_FUTURE_GENERATOR_STOP</span></span></span><a class="headerlink" href="#c.CO_FUTURE_GENERATOR_STOP" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p>no effect (<a class="reference internal" href="../library/__future__.html#future__.generator_stop" title="__future__.generator_stop"><code class="xref py py-data docutils literal notranslate"><span class="pre">__future__.generator_stop</span></code></a>)</p></td>
<tr class="row-odd"><td><dl class="c macro">
<dt class="sig sig-object c" id="c.CO_FUTURE_ANNOTATIONS">
<span class="sig-name descname"><span class="n"><span class="pre">CO_FUTURE_ANNOTATIONS</span></span></span><a class="headerlink" href="#c.CO_FUTURE_ANNOTATIONS" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<td><p><a class="reference internal" href="../library/__future__.html#future__.annotations" title="__future__.annotations"><code class="xref py py-data docutils literal notranslate"><span class="pre">__future__.annotations</span></code></a></p></td>
<section id="extra-information">
<h1>Extra information<a class="headerlink" href="#extra-information" title="Link to this heading">¶</a></h1>
<p>To support low-level extensions to frame evaluation, such as external
just-in-time compilers, it is possible to attach arbitrary extra data to
code objects.</p>
<p>These functions are part of the unstable C API tier:
this functionality is a CPython implementation detail, and the API
may change without deprecation warnings.</p>
<dl class="c function" id="c._PyEval_RequestCodeExtraIndex">
<dt class="sig sig-object c" id="c.PyUnstable_Eval_RequestCodeExtraIndex">
<a class="reference internal" href="intro.html#c.Py_ssize_t" title="Py_ssize_t"><span class="n"><span class="pre">Py_ssize_t</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyUnstable_Eval_RequestCodeExtraIndex</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="typeobj.html#c.freefunc" title="freefunc"><span class="n"><span class="pre">freefunc</span></span></a><span class="w"> </span><span class="n"><span class="pre">free</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyUnstable_Eval_RequestCodeExtraIndex" title="Link to this definition">¶</a><br /></dt>
<dd><div class="unstable-c-api warning admonition">
<em>این است <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">API ناپایدار</span></a>این ممکن است بدون هشدار در نسخه‌های جزئی تغییر کند.</em></div>
<p>Return a new opaque index value used to adding data to code objects.</p>
<p>You generally call this function once (per interpreter) and use the result
with <code class="docutils literal notranslate"><span class="pre">PyCode_GetExtra</span></code> and <code class="docutils literal notranslate"><span class="pre">PyCode_SetExtra</span></code> to manipulate
data on individual code objects.</p>
<p>If <em>free</em> is not <code class="docutils literal notranslate"><span class="pre">NULL</span></code>: when a code object is deallocated,
<em>free</em> will be called on non-<code class="docutils literal notranslate"><span class="pre">NULL</span></code> data stored under the new index.
Use <a class="reference internal" href="refcounting.html#c.Py_DecRef" title="Py_DecRef"><code class="xref c c-func docutils literal notranslate"><span class="pre">Py_DecRef()</span></code></a> when storing <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyObject</span></code></a>.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.6: </span>as <code class="docutils literal notranslate"><span class="pre">_PyEval_RequestCodeExtraIndex</span></code></p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.12: </span>Renamed to <code class="docutils literal notranslate"><span class="pre">PyUnstable_Eval_RequestCodeExtraIndex</span></code>.
The old private name is deprecated, but will be available until the API
changes.</p>
<dl class="c function" id="c._PyCode_GetExtra">
<dt class="sig sig-object c" id="c.PyUnstable_Code_GetExtra">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyUnstable_Code_GetExtra</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">code</span></span>, <a class="reference internal" href="intro.html#c.Py_ssize_t" title="Py_ssize_t"><span class="n"><span class="pre">Py_ssize_t</span></span></a><span class="w"> </span><span class="n"><span class="pre">index</span></span>, <span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">extra</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyUnstable_Code_GetExtra" title="Link to this definition">¶</a><br /></dt>
<dd><div class="unstable-c-api warning admonition">
<em>این است <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">API ناپایدار</span></a>این ممکن است بدون هشدار در نسخه‌های جزئی تغییر کند.</em></div>
<p>Set <em>extra</em> to the extra data stored under the given index.
Return 0 on success. Set an exception and return -1 on failure.</p>
<p>If no data was set under the index, set <em>extra</em> to <code class="docutils literal notranslate"><span class="pre">NULL</span></code> and return
0 without setting an exception.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.6: </span>as <code class="docutils literal notranslate"><span class="pre">_PyCode_GetExtra</span></code></p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.12: </span>Renamed to <code class="docutils literal notranslate"><span class="pre">PyUnstable_Code_GetExtra</span></code>.
The old private name is deprecated, but will be available until the API
changes.</p>
<dl class="c function" id="c._PyCode_SetExtra">
<dt class="sig sig-object c" id="c.PyUnstable_Code_SetExtra">
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyUnstable_Code_SetExtra</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">code</span></span>, <a class="reference internal" href="intro.html#c.Py_ssize_t" title="Py_ssize_t"><span class="n"><span class="pre">Py_ssize_t</span></span></a><span class="w"> </span><span class="n"><span class="pre">index</span></span>, <span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">extra</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyUnstable_Code_SetExtra" title="Link to this definition">¶</a><br /></dt>
<dd><div class="unstable-c-api warning admonition">
<em>این است <a class="reference internal" href="stable.html#unstable-c-api"><span class="std std-ref">API ناپایدار</span></a>این ممکن است بدون هشدار در نسخه‌های جزئی تغییر کند.</em></div>
<p>Set the extra data stored under the given index to <em>extra</em>.
Return 0 on success. Set an exception and return -1 on failure.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.6: </span>as <code class="docutils literal notranslate"><span class="pre">_PyCode_SetExtra</span></code></p>
<div class="versionchanged">
<p><span class="versionmodified changed">تغییر داده شده در نسخه 3.12: </span>Renamed to <code class="docutils literal notranslate"><span class="pre">PyUnstable_Code_SetExtra</span></code>.
The old private name is deprecated, but will be available until the API
changes.</p>
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