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<li><a class="reference internal" href="#"><code class="xref py py-mod docutils literal notranslate"><span class="pre">zipimport</span></code> — Import modules from Zip archives</a><ul>
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<section id="module-zipimport">
<span id="zipimport-import-modules-from-zip-archives"></span><h1><code class="xref py py-mod docutils literal notranslate"><span class="pre">zipimport</span></code> — Import modules from Zip archives<a class="headerlink" href="#module-zipimport" title="Link to this heading"></a></h1>
<p><strong>Source code:</strong> <a class="extlink-source reference external" href="https://github.com/python/cpython/tree/3.13/Lib/zipimport.py">Lib/zipimport.py</a></p>
<hr class="docutils" />
<p>This module adds the ability to import Python modules (<code class="file docutils literal notranslate"><span class="pre">*.py</span></code>,
<code class="file docutils literal notranslate"><span class="pre">*.pyc</span></code>) and packages from ZIP-format archives. It is usually not
needed to use the <a class="reference internal" href="#module-zipimport" title="zipimport: Support for importing Python modules from ZIP archives."><code class="xref py py-mod docutils literal notranslate"><span class="pre">zipimport</span></code></a> module explicitly; it is automatically used
by the built-in <a class="reference internal" href="../reference/simple_stmts.html#import"><code class="xref std std-keyword docutils literal notranslate"><span class="pre">import</span></code></a> mechanism for <a class="reference internal" href="sys.html#sys.path" title="sys.path"><code class="xref py py-data docutils literal notranslate"><span class="pre">sys.path</span></code></a> items that are paths
to ZIP archives.</p>
<p>Typically, <a class="reference internal" href="sys.html#sys.path" title="sys.path"><code class="xref py py-data docutils literal notranslate"><span class="pre">sys.path</span></code></a> is a list of directory names as strings. This module
also allows an item of <a class="reference internal" href="sys.html#sys.path" title="sys.path"><code class="xref py py-data docutils literal notranslate"><span class="pre">sys.path</span></code></a> to be a string naming a ZIP file archive.
The ZIP archive can contain a subdirectory structure to support package imports,
and a path within the archive can be specified to only import from a
subdirectory. For example, the path <code class="file docutils literal notranslate"><span class="pre">example.zip/lib/</span></code> would only
import from the <code class="file docutils literal notranslate"><span class="pre">lib/</span></code> subdirectory within the archive.</p>
<p>Any files may be present in the ZIP archive, but importers are only invoked for
<code class="file docutils literal notranslate"><span class="pre">.py</span></code> and <code class="file docutils literal notranslate"><span class="pre">.pyc</span></code> files. ZIP import of dynamic modules
(<code class="file docutils literal notranslate"><span class="pre">.pyd</span></code>, <code class="file docutils literal notranslate"><span class="pre">.so</span></code>) is disallowed. Note that if an archive only contains
<code class="file docutils literal notranslate"><span class="pre">.py</span></code> files, Python will not attempt to modify the archive by adding the
corresponding <code class="file docutils literal notranslate"><span class="pre">.pyc</span></code> file, meaning that if a ZIP archive
doesn’t contain <code class="file docutils literal notranslate"><span class="pre">.pyc</span></code> files, importing may be rather slow.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.13: </span>ZIP64 is supported</p>
</div>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.8: </span>Previously, ZIP archives with an archive comment were not supported.</p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<dl class="simple">
<dt><a class="reference external" href="https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT">PKZIP Application Note</a></dt><dd><p>Documentation on the ZIP file format by Phil Katz, the creator of the format and
algorithms used.</p>
</dd>
<dt><span class="target" id="index-0"></span><a class="pep reference external" href="https://peps.python.org/pep-0273/"><strong>PEP 273</strong></a> - Import Modules from Zip Archives</dt><dd><p>Written by James C. Ahlstrom, who also provided an implementation. Python 2.3
follows the specification in <span class="target" id="index-1"></span><a class="pep reference external" href="https://peps.python.org/pep-0273/"><strong>PEP 273</strong></a>, but uses an implementation written by Just
van Rossum that uses the import hooks described in <span class="target" id="index-2"></span><a class="pep reference external" href="https://peps.python.org/pep-0302/"><strong>PEP 302</strong></a>.</p>
</dd>
<dt><a class="reference internal" href="importlib.html#module-importlib" title="importlib: The implementation of the import machinery."><code class="xref py py-mod docutils literal notranslate"><span class="pre">importlib</span></code></a> - The implementation of the import machinery</dt><dd><p>Package providing the relevant protocols for all importers to
implement.</p>
</dd>
</dl>
</div>
<p>This module defines an exception:</p>
<dl class="py exception">
<dt class="sig sig-object py" id="zipimport.ZipImportError">
<em class="property"><span class="k"><span class="pre">exception</span></span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">zipimport.</span></span><span class="sig-name descname"><span class="pre">ZipImportError</span></span><a class="headerlink" href="#zipimport.ZipImportError" title="Link to this definition"></a></dt>
<dd><p>Exception raised by zipimporter objects. It’s a subclass of <a class="reference internal" href="exceptions.html#ImportError" title="ImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ImportError</span></code></a>,
so it can be caught as <a class="reference internal" href="exceptions.html#ImportError" title="ImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ImportError</span></code></a>, too.</p>
</dd></dl>
<section id="zipimporter-objects">
<span id="id1"></span><h2>zipimporter Objects<a class="headerlink" href="#zipimporter-objects" title="Link to this heading"></a></h2>
<p><a class="reference internal" href="#zipimport.zipimporter" title="zipimport.zipimporter"><code class="xref py py-class docutils literal notranslate"><span class="pre">zipimporter</span></code></a> is the class for importing ZIP files.</p>
<dl class="py class">
<dt class="sig sig-object py" id="zipimport.zipimporter">
<em class="property"><span class="k"><span class="pre">class</span></span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">zipimport.</span></span><span class="sig-name descname"><span class="pre">zipimporter</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">archivepath</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter" title="Link to this definition"></a></dt>
<dd><p>Create a new zipimporter instance. <em>archivepath</em> must be a path to a ZIP
file, or to a specific path within a ZIP file. For example, an <em>archivepath</em>
of <code class="file docutils literal notranslate"><span class="pre">foo/bar.zip/lib</span></code> will look for modules in the <code class="file docutils literal notranslate"><span class="pre">lib</span></code> directory
inside the ZIP file <code class="file docutils literal notranslate"><span class="pre">foo/bar.zip</span></code> (provided that it exists).</p>
<p><a class="reference internal" href="#zipimport.ZipImportError" title="zipimport.ZipImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ZipImportError</span></code></a> is raised if <em>archivepath</em> doesn’t point to a valid ZIP
archive.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.12: </span>Methods <code class="docutils literal notranslate"><span class="pre">find_loader()</span></code> and <code class="docutils literal notranslate"><span class="pre">find_module()</span></code>, deprecated in 3.10 are
now removed. Use <a class="reference internal" href="#zipimport.zipimporter.find_spec" title="zipimport.zipimporter.find_spec"><code class="xref py py-meth docutils literal notranslate"><span class="pre">find_spec()</span></code></a> instead.</p>
</div>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.create_module">
<span class="sig-name descname"><span class="pre">create_module</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">spec</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.create_module" title="Link to this definition"></a></dt>
<dd><p>Implementation of <a class="reference internal" href="importlib.html#importlib.abc.Loader.create_module" title="importlib.abc.Loader.create_module"><code class="xref py py-meth docutils literal notranslate"><span class="pre">importlib.abc.Loader.create_module()</span></code></a> that returns
<a class="reference internal" href="constants.html#None" title="None"><code class="xref py py-const docutils literal notranslate"><span class="pre">None</span></code></a> to explicitly request the default semantics.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.10.</span></p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.exec_module">
<span class="sig-name descname"><span class="pre">exec_module</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">module</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.exec_module" title="Link to this definition"></a></dt>
<dd><p>Implementation of <a class="reference internal" href="importlib.html#importlib.abc.Loader.exec_module" title="importlib.abc.Loader.exec_module"><code class="xref py py-meth docutils literal notranslate"><span class="pre">importlib.abc.Loader.exec_module()</span></code></a>.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.10.</span></p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.find_spec">
<span class="sig-name descname"><span class="pre">find_spec</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fullname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.find_spec" title="Link to this definition"></a></dt>
<dd><p>An implementation of <a class="reference internal" href="importlib.html#importlib.abc.PathEntryFinder.find_spec" title="importlib.abc.PathEntryFinder.find_spec"><code class="xref py py-meth docutils literal notranslate"><span class="pre">importlib.abc.PathEntryFinder.find_spec()</span></code></a>.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.10.</span></p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.get_code">
<span class="sig-name descname"><span class="pre">get_code</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fullname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.get_code" title="Link to this definition"></a></dt>
<dd><p>Return the code object for the specified module. Raise
<a class="reference internal" href="#zipimport.ZipImportError" title="zipimport.ZipImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ZipImportError</span></code></a> if the module couldn’t be imported.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.get_data">
<span class="sig-name descname"><span class="pre">get_data</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pathname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.get_data" title="Link to this definition"></a></dt>
<dd><p>Return the data associated with <em>pathname</em>. Raise <a class="reference internal" href="exceptions.html#OSError" title="OSError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">OSError</span></code></a> if the
file wasn’t found.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.3: </span><a class="reference internal" href="exceptions.html#IOError" title="IOError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">IOError</span></code></a> used to be raised, it is now an alias of <a class="reference internal" href="exceptions.html#OSError" title="OSError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">OSError</span></code></a>.</p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.get_filename">
<span class="sig-name descname"><span class="pre">get_filename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fullname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.get_filename" title="Link to this definition"></a></dt>
<dd><p>Return the value <code class="docutils literal notranslate"><span class="pre">__file__</span></code> would be set to if the specified module
was imported. Raise <a class="reference internal" href="#zipimport.ZipImportError" title="zipimport.ZipImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ZipImportError</span></code></a> if the module couldn’t be
imported.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.1.</span></p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.get_source">
<span class="sig-name descname"><span class="pre">get_source</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fullname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.get_source" title="Link to this definition"></a></dt>
<dd><p>Return the source code for the specified module. Raise
<a class="reference internal" href="#zipimport.ZipImportError" title="zipimport.ZipImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ZipImportError</span></code></a> if the module couldn’t be found, return
<a class="reference internal" href="constants.html#None" title="None"><code class="xref py py-const docutils literal notranslate"><span class="pre">None</span></code></a> if the archive does contain the module, but has no source
for it.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.is_package">
<span class="sig-name descname"><span class="pre">is_package</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fullname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.is_package" title="Link to this definition"></a></dt>
<dd><p>Return <code class="docutils literal notranslate"><span class="pre">True</span></code> if the module specified by <em>fullname</em> is a package. Raise
<a class="reference internal" href="#zipimport.ZipImportError" title="zipimport.ZipImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ZipImportError</span></code></a> if the module couldn’t be found.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.load_module">
<span class="sig-name descname"><span class="pre">load_module</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fullname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.load_module" title="Link to this definition"></a></dt>
<dd><p>Load the module specified by <em>fullname</em>. <em>fullname</em> must be the fully
qualified (dotted) module name. Returns the imported module on success,
raises <a class="reference internal" href="#zipimport.ZipImportError" title="zipimport.ZipImportError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ZipImportError</span></code></a> on failure.</p>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.10: </span>Use <a class="reference internal" href="#zipimport.zipimporter.exec_module" title="zipimport.zipimporter.exec_module"><code class="xref py py-meth docutils literal notranslate"><span class="pre">exec_module()</span></code></a> instead.</p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="zipimport.zipimporter.invalidate_caches">
<span class="sig-name descname"><span class="pre">invalidate_caches</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#zipimport.zipimporter.invalidate_caches" title="Link to this definition"></a></dt>
<dd><p>Clear out the internal cache of information about files found within
the ZIP archive.</p>
<div class="versionadded">
<p><span class="versionmodified added">Added in version 3.10.</span></p>
</div>
</dd></dl>
<dl class="py attribute">
<dt class="sig sig-object py" id="zipimport.zipimporter.archive">
<span class="sig-name descname"><span class="pre">archive</span></span><a class="headerlink" href="#zipimport.zipimporter.archive" title="Link to this definition"></a></dt>
<dd><p>The file name of the importer’s associated ZIP file, without a possible
subpath.</p>
</dd></dl>
<dl class="py attribute">
<dt class="sig sig-object py" id="zipimport.zipimporter.prefix">
<span class="sig-name descname"><span class="pre">prefix</span></span><a class="headerlink" href="#zipimport.zipimporter.prefix" title="Link to this definition"></a></dt>
<dd><p>The subpath within the ZIP file where modules are searched. This is the
empty string for zipimporter objects which point to the root of the ZIP
file.</p>
</dd></dl>
<p>The <a class="reference internal" href="#zipimport.zipimporter.archive" title="zipimport.zipimporter.archive"><code class="xref py py-attr docutils literal notranslate"><span class="pre">archive</span></code></a> and <a class="reference internal" href="#zipimport.zipimporter.prefix" title="zipimport.zipimporter.prefix"><code class="xref py py-attr docutils literal notranslate"><span class="pre">prefix</span></code></a> attributes, when combined with a
slash, equal the original <em>archivepath</em> argument given to the
<a class="reference internal" href="#zipimport.zipimporter" title="zipimport.zipimporter"><code class="xref py py-class docutils literal notranslate"><span class="pre">zipimporter</span></code></a> constructor.</p>
</dd></dl>
</section>
<section id="examples">
<span id="zipimport-examples"></span><h2>Examples<a class="headerlink" href="#examples" title="Link to this heading"></a></h2>
<p>Here is an example that imports a module from a ZIP archive - note that the
<a class="reference internal" href="#module-zipimport" title="zipimport: Support for importing Python modules from ZIP archives."><code class="xref py py-mod docutils literal notranslate"><span class="pre">zipimport</span></code></a> module is not explicitly used.</p>
<div class="highlight-shell-session notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>unzip<span class="w"> </span>-l<span class="w"> </span>example.zip
<span class="go">Archive: example.zip</span>
<span class="go"> Length Date Time Name</span>
<span class="go"> -------- ---- ---- ----</span>
<span class="go"> 8467 11-26-02 22:30 jwzthreading.py</span>
<span class="go"> -------- -------</span>
<span class="go"> 8467 1 file</span>
<span class="gp">$ </span>./python
<span class="go">Python 2.3 (#1, Aug 1 2003, 19:54:32)</span>
<span class="go">&gt;&gt;&gt; import sys</span>
<span class="go">&gt;&gt;&gt; sys.path.insert(0, &#39;example.zip&#39;) # Add .zip file to front of path</span>
<span class="go">&gt;&gt;&gt; import jwzthreading</span>
<span class="go">&gt;&gt;&gt; jwzthreading.__file__</span>
<span class="go">&#39;example.zip/jwzthreading.py&#39;</span>
</pre></div>
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