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<H1><A NAME="SECTION0091600000000000000000">
7.16 <tt class="module">zipfile</tt> --
         Work with ZIP archives</A>
</H1>

<P>


<P>
New in version 1.6.

<P>
The ZIP file format is a common archive and compression standard.
This module provides tools to create, read, write, append, and list a
ZIP file.  Any advanced use of this module will require an
understanding of the format, as defined in
<em class='citetitle'><a
 href="javascript:if(confirm('http://www.pkware.com/appnote.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.pkware.com/appnote.html'" tppabs="http://www.pkware.com/appnote.html"
 title='PKZIP Application
Note'
 >PKZIP Application
Note <img src="offsite.gif" tppabs="http://www.python.org/doc/current/icons/offsite.gif"
  border='0' class='offsitelink' height='15' width='17' alt='[off-site link]'
  ></a></em>.

<P>
This module does not currently handle ZIP files which have appended
comments, or multi-disk ZIP files.

<P>
The available attributes of this module are:

<P>
<dl><dt><b><a name='l2h-1756'><tt class='exception'>error</tt></a></b>
<dd>
  The error raised for bad ZIP files.
</dl>

<P>
<dl><dt><b><a name='l2h-1757'><tt class='class'>ZipFile</tt></a></b> (<var>...</var>)
<dd>
  The class for reading and writing ZIP files.  See
  ``<em class='citetitle'
 >ZipFile Objects</em>'' (section <A href="zipfile-objects.html#zipfile-objects" tppabs="http://www.python.org/doc/current/lib/zipfile-objects.html#zipfile-objects">7.16.1</A>) for
  constructor details.
</dl>

<P>
<dl><dt><b><a name='l2h-1758'><tt class='class'>PyZipFile</tt></a></b> (<var>...</var>)
<dd>
  Class for creating ZIP archives containing Python libraries.
</dl>

<P>
<dl><dt><b><a name='l2h-1759'><tt class='class'>ZipInfo</tt></a></b> (<big>[</big><var>filename</var><big>[</big><var>, date_time</var><big>]</big><big>]</big>)
<dd>
  Class used the represent infomation about a member of an archive.
  Instances of this class are returned by the <tt class="method">getinfo()</tt> and
  <tt class="method">infolist()</tt> methods of <tt class="class">ZipFile</tt> objects.  Most users
  of the <tt class="module">zipfile</tt> module will not need to create these, but
  only use those created by this module.
  <var>filename</var> should be the full name of the archive member, and
  <var>date_time</var> should be a tuple containing six fields which
  describe the time of the last modification to the file; the fields
  are described in section <A href="zipinfo-objects.html#zipinfo-objects" tppabs="http://www.python.org/doc/current/lib/zipinfo-objects.html#zipinfo-objects">7.16.3</A>, ``ZipInfo Objects.''
</dl>

<P>
<dl><dt><b><a name='l2h-1760'><tt class='function'>is_zipfile</tt></a></b> (<var>filename</var>)
<dd>
  Returns true if <var>filename</var> is a valid ZIP file based on its magic
  number, otherwise returns false.  This module does not currently
  handle ZIP files which have appended comments.
</dl>

<P>
<dl><dt><b><a name='l2h-1761'><tt>ZIP_STORED</tt></a></b>
<dd>
  The numeric constant for an uncompressed archive member.
</dl>

<P>
<dl><dt><b><a name='l2h-1762'><tt>ZIP_DEFLATED</tt></a></b>
<dd>
  The numeric constant for the usual ZIP compression method.  This
  requires the zlib module.  No other compression methods are
  currently supported.
</dl>

<P>
<div class='seealso'>
  <p class='heading'><b>See Also:</b></p>

  <dl compact class="seetitle">
    <dt><em class="citetitle"><a href="javascript:if(confirm('http://www.pkware.com/appnote.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.pkware.com/appnote.html'" tppabs="http://www.pkware.com/appnote.html"
        >PKZIP Application
            Note <img src="offsite.gif" tppabs="http://www.python.org/doc/current/icons/offsite.gif"
  border='0' class='offsitelink' height='15' width='17' alt='[off-site link]'
  ></a></em>
    <dd>Documentation on the ZIP file format by Phil
            Katz, the creator of the format and algorithms used.
  </dl>

<P>
<dl compact class="seetitle">
    <dt><em class="citetitle"><a href="javascript:if(confirm('http://www.info-zip.org/pub/infozip/  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.info-zip.org/pub/infozip/'" tppabs="http://www.info-zip.org/pub/infozip/"
        >Info-ZIP Home Page <img src="offsite.gif" tppabs="http://www.python.org/doc/current/icons/offsite.gif"
  border='0' class='offsitelink' height='15' width='17' alt='[off-site link]'
  ></a></em>
    <dd>
            Information about the Info-ZIP project's ZIP archive
            programs and development libraries.
  </dl>
</div>

<P>

<p><hr>
<!--Table of Child-Links-->
<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>

<UL>
<LI><A NAME="tex2html3158"
  href="zipfile-objects.html" tppabs="http://www.python.org/doc/current/lib/zipfile-objects.html">7.16.1 ZipFile Objects </A>
<LI><A NAME="tex2html3159"
  href="pyzipfile-objects.html" tppabs="http://www.python.org/doc/current/lib/pyzipfile-objects.html">7.16.2 PyZipFile Objects </A>
<LI><A NAME="tex2html3160"
  href="zipinfo-objects.html" tppabs="http://www.python.org/doc/current/lib/zipinfo-objects.html">7.16.3 ZipInfo Objects </A>
</UL>
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