Sophie

Sophie

distrib > Mageia > 6 > armv5tl > by-pkgid > a600cd26dfe6bfd8c11f12bce5cb0eee > files > 564

python3-docs-3.5.3-1.1.mga6.noarch.rpm

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    
    <title>Sequence Protocol &mdash; Python 3.5.3 documentation</title>
    
    <link rel="stylesheet" href="../_static/pydoctheme.css" type="text/css" />
    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
    
    <script type="text/javascript">
      var DOCUMENTATION_OPTIONS = {
        URL_ROOT:    '../',
        VERSION:     '3.5.3',
        COLLAPSE_INDEX: false,
        FILE_SUFFIX: '.html',
        HAS_SOURCE:  true
      };
    </script>
    <script type="text/javascript" src="../_static/jquery.js"></script>
    <script type="text/javascript" src="../_static/underscore.js"></script>
    <script type="text/javascript" src="../_static/doctools.js"></script>
    <script type="text/javascript" src="../_static/sidebar.js"></script>
    <link rel="search" type="application/opensearchdescription+xml"
          title="Search within Python 3.5.3 documentation"
          href="../_static/opensearch.xml"/>
    <link rel="author" title="About these documents" href="../about.html" />
    <link rel="copyright" title="Copyright" href="../copyright.html" />
    <link rel="top" title="Python 3.5.3 documentation" href="../contents.html" />
    <link rel="up" title="Abstract Objects Layer" href="abstract.html" />
    <link rel="next" title="Mapping Protocol" href="mapping.html" />
    <link rel="prev" title="Number Protocol" href="number.html" />
    <link rel="shortcut icon" type="image/png" href="../_static/py.png" />
    
    <script type="text/javascript" src="../_static/copybutton.js"></script>
    <script type="text/javascript" src="../_static/version_switch.js"></script>
    
    
 

  </head>
  <body role="document">  
    <div class="related" role="navigation" aria-label="related navigation">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../genindex.html" title="General Index"
             accesskey="I">index</a></li>
        <li class="right" >
          <a href="../py-modindex.html" title="Python Module Index"
             >modules</a> |</li>
        <li class="right" >
          <a href="mapping.html" title="Mapping Protocol"
             accesskey="N">next</a> |</li>
        <li class="right" >
          <a href="number.html" title="Number Protocol"
             accesskey="P">previous</a> |</li>
        <li><img src="../_static/py.png" alt=""
                 style="vertical-align: middle; margin-top: -1px"/></li>
        <li><a href="https://www.python.org/">Python</a> &raquo;</li>
        <li>
          <span class="version_switcher_placeholder">3.5.3</span>
          <a href="../index.html">Documentation </a> &raquo;
        </li>

          <li class="nav-item nav-item-1"><a href="index.html" >Python/C API Reference Manual</a> &raquo;</li>
          <li class="nav-item nav-item-2"><a href="abstract.html" accesskey="U">Abstract Objects Layer</a> &raquo;</li>
    <li class="right">
        

    <div class="inline-search" style="display: none" role="search">
        <form class="inline-search" action="../search.html" method="get">
          <input placeholder="Quick search" type="text" name="q" />
          <input type="submit" value="Go" />
          <input type="hidden" name="check_keywords" value="yes" />
          <input type="hidden" name="area" value="default" />
        </form>
    </div>
    <script type="text/javascript">$('.inline-search').show(0);</script>
         |
    </li>

      </ul>
    </div>    

    <div class="document">
      <div class="documentwrapper">
        <div class="bodywrapper">
          <div class="body" role="main">
            
  <div class="section" id="sequence-protocol">
<span id="sequence"></span><h1>Sequence Protocol<a class="headerlink" href="#sequence-protocol" title="Permalink to this headline">¶</a></h1>
<dl class="function">
<dt id="c.PySequence_Check">
int <code class="descname">PySequence_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.PySequence_Check" title="Permalink to this definition">¶</a></dt>
<dd><p>Return <code class="docutils literal"><span class="pre">1</span></code> if the object provides sequence protocol, and <code class="docutils literal"><span class="pre">0</span></code> otherwise.
This function always succeeds.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Size">
Py_ssize_t <code class="descname">PySequence_Size</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.PySequence_Size" title="Permalink to this definition">¶</a></dt>
<dt id="c.PySequence_Length">
Py_ssize_t <code class="descname">PySequence_Length</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.PySequence_Length" title="Permalink to this definition">¶</a></dt>
<dd><p id="index-0">Returns the number of objects in sequence <em>o</em> on success, and <code class="docutils literal"><span class="pre">-1</span></code> on failure.
For objects that do not provide sequence protocol, this is equivalent to the
Python expression <code class="docutils literal"><span class="pre">len(o)</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Concat">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_Concat</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o1</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o2</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_Concat" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the concatenation of <em>o1</em> and <em>o2</em> on success, and <em>NULL</em> on failure.
This is the equivalent of the Python expression <code class="docutils literal"><span class="pre">o1</span> <span class="pre">+</span> <span class="pre">o2</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Repeat">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_Repeat</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;count</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_Repeat" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the result of repeating sequence object <em>o</em> <em>count</em> times, or <em>NULL</em> on
failure.  This is the equivalent of the Python expression <code class="docutils literal"><span class="pre">o</span> <span class="pre">*</span> <span class="pre">count</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_InPlaceConcat">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_InPlaceConcat</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o1</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o2</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_InPlaceConcat" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the concatenation of <em>o1</em> and <em>o2</em> on success, and <em>NULL</em> on failure.
The operation is done <em>in-place</em> when <em>o1</em> supports it.  This is the equivalent
of the Python expression <code class="docutils literal"><span class="pre">o1</span> <span class="pre">+=</span> <span class="pre">o2</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_InPlaceRepeat">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_InPlaceRepeat</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;count</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_InPlaceRepeat" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the result of repeating sequence object <em>o</em> <em>count</em> times, or <em>NULL</em> on
failure.  The operation is done <em>in-place</em> when <em>o</em> supports it.  This is the
equivalent of the Python expression <code class="docutils literal"><span class="pre">o</span> <span class="pre">*=</span> <span class="pre">count</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_GetItem">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_GetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_GetItem" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the <em>i</em>th element of <em>o</em>, or <em>NULL</em> on failure. This is the equivalent of
the Python expression <code class="docutils literal"><span class="pre">o[i]</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_GetSlice">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_GetSlice</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i1</em>, Py_ssize_t<em>&nbsp;i2</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_GetSlice" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the slice of sequence object <em>o</em> between <em>i1</em> and <em>i2</em>, or <em>NULL</em> on
failure. This is the equivalent of the Python expression <code class="docutils literal"><span class="pre">o[i1:i2]</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_SetItem">
int <code class="descname">PySequence_SetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*v</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_SetItem" title="Permalink to this definition">¶</a></dt>
<dd><p>Assign object <em>v</em> to the <em>i</em>th element of <em>o</em>.  Raise an exception
and return <code class="docutils literal"><span class="pre">-1</span></code> on failure; return <code class="docutils literal"><span class="pre">0</span></code> on success.  This
is the equivalent of the Python statement <code class="docutils literal"><span class="pre">o[i]</span> <span class="pre">=</span> <span class="pre">v</span></code>.  This function <em>does
not</em> steal a reference to <em>v</em>.</p>
<p>If <em>v</em> is <em>NULL</em>, the element is deleted, however this feature is
deprecated in favour of using <a class="reference internal" href="#c.PySequence_DelItem" title="PySequence_DelItem"><code class="xref c c-func docutils literal"><span class="pre">PySequence_DelItem()</span></code></a>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_DelItem">
int <code class="descname">PySequence_DelItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_DelItem" title="Permalink to this definition">¶</a></dt>
<dd><p>Delete the <em>i</em>th element of object <em>o</em>.  Returns <code class="docutils literal"><span class="pre">-1</span></code> on failure.  This is the
equivalent of the Python statement <code class="docutils literal"><span class="pre">del</span> <span class="pre">o[i]</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_SetSlice">
int <code class="descname">PySequence_SetSlice</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i1</em>, Py_ssize_t<em>&nbsp;i2</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*v</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_SetSlice" title="Permalink to this definition">¶</a></dt>
<dd><p>Assign the sequence object <em>v</em> to the slice in sequence object <em>o</em> from <em>i1</em> to
<em>i2</em>.  This is the equivalent of the Python statement <code class="docutils literal"><span class="pre">o[i1:i2]</span> <span class="pre">=</span> <span class="pre">v</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_DelSlice">
int <code class="descname">PySequence_DelSlice</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i1</em>, Py_ssize_t<em>&nbsp;i2</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_DelSlice" title="Permalink to this definition">¶</a></dt>
<dd><p>Delete the slice in sequence object <em>o</em> from <em>i1</em> to <em>i2</em>.  Returns <code class="docutils literal"><span class="pre">-1</span></code> on
failure.  This is the equivalent of the Python statement <code class="docutils literal"><span class="pre">del</span> <span class="pre">o[i1:i2]</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Count">
Py_ssize_t <code class="descname">PySequence_Count</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*value</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_Count" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the number of occurrences of <em>value</em> in <em>o</em>, that is, return the number
of keys for which <code class="docutils literal"><span class="pre">o[key]</span> <span class="pre">==</span> <span class="pre">value</span></code>.  On failure, return <code class="docutils literal"><span class="pre">-1</span></code>.  This is
equivalent to the Python expression <code class="docutils literal"><span class="pre">o.count(value)</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Contains">
int <code class="descname">PySequence_Contains</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*value</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_Contains" title="Permalink to this definition">¶</a></dt>
<dd><p>Determine if <em>o</em> contains <em>value</em>.  If an item in <em>o</em> is equal to <em>value</em>,
return <code class="docutils literal"><span class="pre">1</span></code>, otherwise return <code class="docutils literal"><span class="pre">0</span></code>. On error, return <code class="docutils literal"><span class="pre">-1</span></code>.  This is
equivalent to the Python expression <code class="docutils literal"><span class="pre">value</span> <span class="pre">in</span> <span class="pre">o</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Index">
Py_ssize_t <code class="descname">PySequence_Index</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*value</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_Index" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the first index <em>i</em> for which <code class="docutils literal"><span class="pre">o[i]</span> <span class="pre">==</span> <span class="pre">value</span></code>.  On error, return
<code class="docutils literal"><span class="pre">-1</span></code>.    This is equivalent to the Python expression <code class="docutils literal"><span class="pre">o.index(value)</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_List">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_List</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.PySequence_List" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return a list object with the same contents as the sequence or iterable <em>o</em>,
or <em>NULL</em> on failure.  The returned list is guaranteed to be new.  This is
equivalent to the Python expression <code class="docutils literal"><span class="pre">list(o)</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Tuple">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_Tuple</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.PySequence_Tuple" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p id="index-1">Return a tuple object with the same contents as the arbitrary sequence <em>o</em> or
<em>NULL</em> on failure.  If <em>o</em> is a tuple, a new reference will be returned,
otherwise a tuple will be constructed with the appropriate contents.  This is
equivalent to the Python expression <code class="docutils literal"><span class="pre">tuple(o)</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Fast">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_Fast</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, const char<em>&nbsp;*m</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_Fast" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the sequence <em>o</em> as a list, unless it is already a tuple or list, in
which case <em>o</em> is returned.  Use <a class="reference internal" href="#c.PySequence_Fast_GET_ITEM" title="PySequence_Fast_GET_ITEM"><code class="xref c c-func docutils literal"><span class="pre">PySequence_Fast_GET_ITEM()</span></code></a> to access
the members of the result.  Returns <em>NULL</em> on failure.  If the object is not
a sequence, raises <a class="reference internal" href="../library/exceptions.html#TypeError" title="TypeError"><code class="xref py py-exc docutils literal"><span class="pre">TypeError</span></code></a> with <em>m</em> as the message text.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Fast_GET_ITEM">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_Fast_GET_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_Fast_GET_ITEM" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the <em>i</em>th element of <em>o</em>, assuming that <em>o</em> was returned by
<a class="reference internal" href="#c.PySequence_Fast" title="PySequence_Fast"><code class="xref c c-func docutils literal"><span class="pre">PySequence_Fast()</span></code></a>, <em>o</em> is not <em>NULL</em>, and that <em>i</em> is within bounds.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Fast_ITEMS">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>** <code class="descname">PySequence_Fast_ITEMS</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.PySequence_Fast_ITEMS" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the underlying array of PyObject pointers.  Assumes that <em>o</em> was returned
by <a class="reference internal" href="#c.PySequence_Fast" title="PySequence_Fast"><code class="xref c c-func docutils literal"><span class="pre">PySequence_Fast()</span></code></a> and <em>o</em> is not <em>NULL</em>.</p>
<p>Note, if a list gets resized, the reallocation may relocate the items array.
So, only use the underlying array pointer in contexts where the sequence
cannot change.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_ITEM">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PySequence_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em>&nbsp;*o</em>, Py_ssize_t<em>&nbsp;i</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PySequence_ITEM" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the <em>i</em>th element of <em>o</em> or <em>NULL</em> on failure. Macro form of
<a class="reference internal" href="#c.PySequence_GetItem" title="PySequence_GetItem"><code class="xref c c-func docutils literal"><span class="pre">PySequence_GetItem()</span></code></a> but without checking that
<a class="reference internal" href="#c.PySequence_Check" title="PySequence_Check"><code class="xref c c-func docutils literal"><span class="pre">PySequence_Check()</span></code></a> on <em>o</em> is true and without adjustment for negative
indices.</p>
</dd></dl>

<dl class="function">
<dt id="c.PySequence_Fast_GET_SIZE">
Py_ssize_t <code class="descname">PySequence_Fast_GET_SIZE</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.PySequence_Fast_GET_SIZE" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns the length of <em>o</em>, assuming that <em>o</em> was returned by
<a class="reference internal" href="#c.PySequence_Fast" title="PySequence_Fast"><code class="xref c c-func docutils literal"><span class="pre">PySequence_Fast()</span></code></a> and that <em>o</em> is not <em>NULL</em>.  The size can also be
gotten by calling <a class="reference internal" href="#c.PySequence_Size" title="PySequence_Size"><code class="xref c c-func docutils literal"><span class="pre">PySequence_Size()</span></code></a> on <em>o</em>, but
<a class="reference internal" href="#c.PySequence_Fast_GET_SIZE" title="PySequence_Fast_GET_SIZE"><code class="xref c c-func docutils literal"><span class="pre">PySequence_Fast_GET_SIZE()</span></code></a> is faster because it can assume <em>o</em> is a list
or tuple.</p>
</dd></dl>

</div>


          </div>
        </div>
      </div>
      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
        <div class="sphinxsidebarwrapper">
  <h4>Previous topic</h4>
  <p class="topless"><a href="number.html"
                        title="previous chapter">Number Protocol</a></p>
  <h4>Next topic</h4>
  <p class="topless"><a href="mapping.html"
                        title="next chapter">Mapping Protocol</a></p>
  <div role="note" aria-label="source link">
    <h3>This Page</h3>
    <ul class="this-page-menu">
      <li><a href="../bugs.html">Report a Bug</a></li>
      <li><a href="../_sources/c-api/sequence.txt"
            rel="nofollow">Show Source</a></li>
    </ul>
  </div>
        </div>
      </div>
      <div class="clearer"></div>
    </div>  
    <div class="related" role="navigation" aria-label="related navigation">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../genindex.html" title="General Index"
             >index</a></li>
        <li class="right" >
          <a href="../py-modindex.html" title="Python Module Index"
             >modules</a> |</li>
        <li class="right" >
          <a href="mapping.html" title="Mapping Protocol"
             >next</a> |</li>
        <li class="right" >
          <a href="number.html" title="Number Protocol"
             >previous</a> |</li>
        <li><img src="../_static/py.png" alt=""
                 style="vertical-align: middle; margin-top: -1px"/></li>
        <li><a href="https://www.python.org/">Python</a> &raquo;</li>
        <li>
          <span class="version_switcher_placeholder">3.5.3</span>
          <a href="../index.html">Documentation </a> &raquo;
        </li>

          <li class="nav-item nav-item-1"><a href="index.html" >Python/C API Reference Manual</a> &raquo;</li>
          <li class="nav-item nav-item-2"><a href="abstract.html" >Abstract Objects Layer</a> &raquo;</li>
    <li class="right">
        

    <div class="inline-search" style="display: none" role="search">
        <form class="inline-search" action="../search.html" method="get">
          <input placeholder="Quick search" type="text" name="q" />
          <input type="submit" value="Go" />
          <input type="hidden" name="check_keywords" value="yes" />
          <input type="hidden" name="area" value="default" />
        </form>
    </div>
    <script type="text/javascript">$('.inline-search').show(0);</script>
         |
    </li>

      </ul>
    </div>  
    <div class="footer">
    &copy; <a href="../copyright.html">Copyright</a> 2001-2017, Python Software Foundation.
    <br />
    The Python Software Foundation is a non-profit corporation.
    <a href="https://www.python.org/psf/donations/">Please donate.</a>
    <br />
    Last updated on Jan 20, 2017.
    <a href="../bugs.html">Found a bug</a>?
    <br />
    Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.3.3.
    </div>

  </body>
</html>