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<li><a class="reference internal" href="#">Byte Array Objects</a><ul>
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<li><a class="reference internal" href="#type-check-macros">Type check macros</a></li>
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<section id="byte-array-objects">
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<span id="bytearrayobjects"></span><h1>Byte Array Objects<a class="headerlink" href="#byte-array-objects" title="Link to this heading">¶</a></h1>
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<dl class="c type" id="index-0">
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<dt class="sig sig-object c" id="c.PyByteArrayObject">
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<span class="k"><span class="pre">type</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyByteArrayObject</span></span></span><a class="headerlink" href="#c.PyByteArrayObject" title="Link to this definition">¶</a><br /></dt>
|
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<dd><p>This subtype of <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> represents a Python bytearray object.</p>
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</dd></dl>
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<dl class="c var">
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<dt class="sig sig-object c" id="c.PyByteArray_Type">
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<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">PyByteArray_Type</span></span></span><a class="headerlink" href="#c.PyByteArray_Type" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>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 bytearray type;
|
||
it is the same object as <a class="reference internal" href="../library/stdtypes.html#bytearray" title="bytearray"><code class="xref py py-class docutils literal notranslate"><span class="pre">bytearray</span></code></a> in the Python layer.</p>
|
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</dd></dl>
|
||
|
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<section id="type-check-macros">
|
||
<h2>Type check macros<a class="headerlink" href="#type-check-macros" title="Link to this heading">¶</a></h2>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_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">PyByteArray_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">o</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_Check" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><p>Return true if the object <em>o</em> is a bytearray object or an instance of a
|
||
subtype of the bytearray type. This function always succeeds.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_CheckExact">
|
||
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyByteArray_CheckExact</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">o</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_CheckExact" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><p>Return true if the object <em>o</em> is a bytearray object, but not an instance of a
|
||
subtype of the bytearray type. This function always succeeds.</p>
|
||
</dd></dl>
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||
|
||
</section>
|
||
<section id="direct-api-functions">
|
||
<h2>Direct API functions<a class="headerlink" href="#direct-api-functions" title="Link to this heading">¶</a></h2>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_FromObject">
|
||
<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">PyByteArray_FromObject</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">o</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_FromObject" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><em class="refcount return_new_ref">Return value: New reference.</em><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>Return a new bytearray object from any object, <em>o</em>, that implements the
|
||
<a class="reference internal" href="buffer.html#bufferobjects"><span class="std std-ref">buffer protocol</span></a>.</p>
|
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<p>On failure, return <code class="docutils literal notranslate"><span class="pre">NULL</span></code> with an exception set.</p>
|
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</dd></dl>
|
||
|
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<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_FromStringAndSize">
|
||
<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">PyByteArray_FromStringAndSize</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">string</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">len</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_FromStringAndSize" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><em class="refcount return_new_ref">Return value: New reference.</em><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>Create a new bytearray object from <em>string</em> and its length, <em>len</em>.</p>
|
||
<p>On failure, return <code class="docutils literal notranslate"><span class="pre">NULL</span></code> with an exception set.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_Concat">
|
||
<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">PyByteArray_Concat</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">a</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">b</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_Concat" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><em class="refcount return_new_ref">Return value: New reference.</em><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>Concat bytearrays <em>a</em> and <em>b</em> and return a new bytearray with the result.</p>
|
||
<p>On failure, return <code class="docutils literal notranslate"><span class="pre">NULL</span></code> with an exception set.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_Size">
|
||
<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">PyByteArray_Size</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">bytearray</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_Size" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>Return the size of <em>bytearray</em> after checking for a <code class="docutils literal notranslate"><span class="pre">NULL</span></code> pointer.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_AsString">
|
||
<span class="kt"><span class="pre">char</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyByteArray_AsString</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">bytearray</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_AsString" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>Return the contents of <em>bytearray</em> as a char array after checking for a
|
||
<code class="docutils literal notranslate"><span class="pre">NULL</span></code> pointer. The returned array always has an extra
|
||
null byte appended.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_Resize">
|
||
<span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyByteArray_Resize</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">bytearray</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">len</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_Resize" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>Resize the internal buffer of <em>bytearray</em> to <em>len</em>.</p>
|
||
</dd></dl>
|
||
|
||
</section>
|
||
<section id="macros">
|
||
<h2>Macros<a class="headerlink" href="#macros" title="Link to this heading">¶</a></h2>
|
||
<p>These macros trade safety for speed and they don’t check pointers.</p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_AS_STRING">
|
||
<span class="kt"><span class="pre">char</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyByteArray_AS_STRING</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">bytearray</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_AS_STRING" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><p>Similar to <a class="reference internal" href="#c.PyByteArray_AsString" title="PyByteArray_AsString"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyByteArray_AsString()</span></code></a>, but without error checking.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.PyByteArray_GET_SIZE">
|
||
<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">PyByteArray_GET_SIZE</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">bytearray</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyByteArray_GET_SIZE" title="Link to this definition">¶</a><br /></dt>
|
||
<dd><p>Similar to <a class="reference internal" href="#c.PyByteArray_Size" title="PyByteArray_Size"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyByteArray_Size()</span></code></a>, but without error checking.</p>
|
||
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|
||
|
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|
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<ul>
|
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<li><a class="reference internal" href="#">Byte Array Objects</a><ul>
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