[ SEA-GHOST MINI SHELL]

Path : /proc/2/root/usr/share/doc/python-docs-2.7.5/html/library/
FILE UPLOADER :
Current File : //proc/2/root/usr/share/doc/python-docs-2.7.5/html/library/whichdb.html


<!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>11.7. whichdb — Guess which DBM module created a database &mdash; Python 2.7.5 documentation</title>
    
    <link rel="stylesheet" href="../_static/default.css" type="text/css" />
    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
    
    <script type="text/javascript">
      var DOCUMENTATION_OPTIONS = {
        URL_ROOT:    '../',
        VERSION:     '2.7.5',
        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 2.7.5 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 2.7.5 documentation" href="../index.html" />
    <link rel="up" title="11. Data Persistence" href="persistence.html" />
    <link rel="next" title="11.8. dbm — Simple “database” interface" href="dbm.html" />
    <link rel="prev" title="11.6. anydbm — Generic access to DBM-style databases" href="anydbm.html" />
    <link rel="shortcut icon" type="image/png" href="../_static/py.png" />
    <script type="text/javascript" src="../_static/copybutton.js"></script>
    
 

  </head>
  <body>
    <div class="related">
      <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="dbm.html" title="11.8. dbm — Simple “database” interface"
             accesskey="N">next</a> |</li>
        <li class="right" >
          <a href="anydbm.html" title="11.6. anydbm — Generic access to DBM-style databases"
             accesskey="P">previous</a> |</li>
        <li><img src="../_static/py.png" alt=""
                 style="vertical-align: middle; margin-top: -1px"/></li>
        <li><a href="http://www.python.org/">Python</a> &raquo;</li>
        <li>
          <a href="../index.html">Python 2.7.5 documentation</a> &raquo;
        </li>

          <li><a href="index.html" >The Python Standard Library</a> &raquo;</li>
          <li><a href="persistence.html" accesskey="U">11. Data Persistence</a> &raquo;</li> 
      </ul>
    </div>  

    <div class="document">
      <div class="documentwrapper">
        <div class="bodywrapper">
          <div class="body">
            
  <div class="section" id="module-whichdb">
<span id="whichdb-guess-which-dbm-module-created-a-database"></span><h1>11.7. <a class="reference internal" href="#module-whichdb" title="whichdb: Guess which DBM-style module created a given database."><tt class="xref py py-mod docutils literal"><span class="pre">whichdb</span></tt></a> &#8212; Guess which DBM module created a database<a class="headerlink" href="#module-whichdb" title="Permalink to this headline">¶</a></h1>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">The <a class="reference internal" href="#module-whichdb" title="whichdb: Guess which DBM-style module created a given database."><tt class="xref py py-mod docutils literal"><span class="pre">whichdb</span></tt></a> module&#8217;s only function has been put into the <a class="reference internal" href="dbm.html#module-dbm" title="dbm: The standard &quot;database&quot; interface, based on ndbm. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">dbm</span></tt></a>
module in Python 3.  The <a class="reference internal" href="../glossary.html#term-to3"><em class="xref std std-term">2to3</em></a> tool will automatically adapt imports
when converting your sources to Python 3.</p>
</div>
<p>The single function in this module attempts to guess which of the several simple
database modules available&#8211;<a class="reference internal" href="dbm.html#module-dbm" title="dbm: The standard &quot;database&quot; interface, based on ndbm. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">dbm</span></tt></a>, <a class="reference internal" href="gdbm.html#module-gdbm" title="gdbm: GNU's reinterpretation of dbm. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">gdbm</span></tt></a>, or <a class="reference internal" href="dbhash.html#module-dbhash" title="dbhash: DBM-style interface to the BSD database library."><tt class="xref py py-mod docutils literal"><span class="pre">dbhash</span></tt></a>&#8211;should be used to open a given file.</p>
<dl class="function">
<dt id="whichdb.whichdb">
<tt class="descclassname">whichdb.</tt><tt class="descname">whichdb</tt><big>(</big><em>filename</em><big>)</big><a class="headerlink" href="#whichdb.whichdb" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns one of the following values: <tt class="docutils literal"><span class="pre">None</span></tt> if the file can&#8217;t be opened
because it&#8217;s unreadable or doesn&#8217;t exist; the empty string (<tt class="docutils literal"><span class="pre">''</span></tt>) if the
file&#8217;s format can&#8217;t be guessed; or a string containing the required module name,
such as <tt class="docutils literal"><span class="pre">'dbm'</span></tt> or <tt class="docutils literal"><span class="pre">'gdbm'</span></tt>.</p>
</dd></dl>

</div>


          </div>
        </div>
      </div>
      <div class="sphinxsidebar">
        <div class="sphinxsidebarwrapper">
  <h4>Previous topic</h4>
  <p class="topless"><a href="anydbm.html"
                        title="previous chapter">11.6. <tt class="docutils literal"><span class="pre">anydbm</span></tt> &#8212; Generic access to DBM-style databases</a></p>
  <h4>Next topic</h4>
  <p class="topless"><a href="dbm.html"
                        title="next chapter">11.8. <tt class="docutils literal"><span class="pre">dbm</span></tt> &#8212; Simple &#8220;database&#8221; interface</a></p>
<h3>This Page</h3>
<ul class="this-page-menu">
  <li><a href="../bugs.html">Report a Bug</a></li>
  <li><a href="../_sources/library/whichdb.txt"
         rel="nofollow">Show Source</a></li>
</ul>

<div id="searchbox" style="display: none">
  <h3>Quick search</h3>
    <form class="search" action="../search.html" method="get">
      <input 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>
    <p class="searchtip" style="font-size: 90%">
    Enter search terms or a module, class or function name.
    </p>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
        </div>
      </div>
      <div class="clearer"></div>
    </div>
    <div class="related">
      <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="dbm.html" title="11.8. dbm — Simple “database” interface"
             >next</a> |</li>
        <li class="right" >
          <a href="anydbm.html" title="11.6. anydbm — Generic access to DBM-style databases"
             >previous</a> |</li>
        <li><img src="../_static/py.png" alt=""
                 style="vertical-align: middle; margin-top: -1px"/></li>
        <li><a href="http://www.python.org/">Python</a> &raquo;</li>
        <li>
          <a href="../index.html">Python 2.7.5 documentation</a> &raquo;
        </li>

          <li><a href="index.html" >The Python Standard Library</a> &raquo;</li>
          <li><a href="persistence.html" >11. Data Persistence</a> &raquo;</li> 
      </ul>
    </div>
    <div class="footer">
    &copy; <a href="../copyright.html">Copyright</a> 1990-2020, Python Software Foundation.
    <br />
    The Python Software Foundation is a non-profit corporation.
    <a href="http://www.python.org/psf/donations/">Please donate.</a>
    <br />
    Last updated on Oct 13, 2020.
    <a href="../bugs.html">Found a bug</a>?
    <br />
    Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.3.
    </div>

  </body>
</html>

SEA-GHOST - SHELL CODING BY SEA-GHOST