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<div class="section" id="module-mimetools">
<h1>18.6. <tt class="xref docutils literal"><span class="pre">mimetools</span></tt> — Tools for parsing MIME messages<a class="headerlink" href="#module-mimetools" title="Permalink to this headline">¶</a></h1>
<p class="deprecated">
<span class="versionmodified">Deprecated since version 2.3: </span>The <a title="Package supporting the parsing, manipulating, and generating email messages, including MIME documents." class="reference external" href="email.html#module-email"><tt class="xref docutils literal"><span class="pre">email</span></tt></a> package should be used in preference to the <tt class="xref docutils literal"><span class="pre">mimetools</span></tt>
module. This module is present only to maintain backward compatibility, and
it has been removed in 3.x.</p>
<p id="index-432">This module defines a subclass of the <a title="Parse 2822 style mail messages. (deprecated)" class="reference external" href="rfc822.html#module-rfc822"><tt class="xref docutils literal"><span class="pre">rfc822</span></tt></a> module’s <a title="mimetools.Message" class="reference internal" href="#mimetools.Message"><tt class="xref docutils literal"><span class="pre">Message</span></tt></a>
class and a number of utility functions that are useful for the manipulation for
MIME multipart or encoded message.</p>
<p>It defines the following items:</p>
<dl class="class">
<dt id="mimetools.Message">
<em class="property">class </em><tt class="descclassname">mimetools.</tt><tt class="descname">Message</tt><big>(</big><em>fp</em><span class="optional">[</span>, <em>seekable</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#mimetools.Message" title="Permalink to this definition">¶</a></dt>
<dd>Return a new instance of the <a title="mimetools.Message" class="reference internal" href="#mimetools.Message"><tt class="xref docutils literal"><span class="pre">Message</span></tt></a> class. This is a subclass of the
<a title="rfc822.Message" class="reference external" href="rfc822.html#rfc822.Message"><tt class="xref docutils literal"><span class="pre">rfc822.Message</span></tt></a> class, with some additional methods (see below). The
<em>seekable</em> argument has the same meaning as for <a title="rfc822.Message" class="reference external" href="rfc822.html#rfc822.Message"><tt class="xref docutils literal"><span class="pre">rfc822.Message</span></tt></a>.</dd></dl>
<dl class="function">
<dt id="mimetools.choose_boundary">
<tt class="descclassname">mimetools.</tt><tt class="descname">choose_boundary</tt><big>(</big><big>)</big><a class="headerlink" href="#mimetools.choose_boundary" title="Permalink to this definition">¶</a></dt>
<dd>Return a unique string that has a high likelihood of being usable as a part
boundary. The string has the form <tt class="docutils literal"><span class="pre">'hostipaddr.uid.pid.timestamp.random'</span></tt>.</dd></dl>
<dl class="function">
<dt id="mimetools.decode">
<tt class="descclassname">mimetools.</tt><tt class="descname">decode</tt><big>(</big><em>input</em>, <em>output</em>, <em>encoding</em><big>)</big><a class="headerlink" href="#mimetools.decode" title="Permalink to this definition">¶</a></dt>
<dd>Read data encoded using the allowed MIME <em>encoding</em> from open file object
<em>input</em> and write the decoded data to open file object <em>output</em>. Valid values
for <em>encoding</em> include <tt class="docutils literal"><span class="pre">'base64'</span></tt>, <tt class="docutils literal"><span class="pre">'quoted-printable'</span></tt>, <tt class="docutils literal"><span class="pre">'uuencode'</span></tt>,
<tt class="docutils literal"><span class="pre">'x-uuencode'</span></tt>, <tt class="docutils literal"><span class="pre">'uue'</span></tt>, <tt class="docutils literal"><span class="pre">'x-uue'</span></tt>, <tt class="docutils literal"><span class="pre">'7bit'</span></tt>, and <tt class="docutils literal"><span class="pre">'8bit'</span></tt>. Decoding
messages encoded in <tt class="docutils literal"><span class="pre">'7bit'</span></tt> or <tt class="docutils literal"><span class="pre">'8bit'</span></tt> has no effect. The input is simply
copied to the output.</dd></dl>
<dl class="function">
<dt id="mimetools.encode">
<tt class="descclassname">mimetools.</tt><tt class="descname">encode</tt><big>(</big><em>input</em>, <em>output</em>, <em>encoding</em><big>)</big><a class="headerlink" href="#mimetools.encode" title="Permalink to this definition">¶</a></dt>
<dd>Read data from open file object <em>input</em> and write it encoded using the allowed
MIME <em>encoding</em> to open file object <em>output</em>. Valid values for <em>encoding</em> are
the same as for <a title="mimetools.decode" class="reference internal" href="#mimetools.decode"><tt class="xref docutils literal"><span class="pre">decode()</span></tt></a>.</dd></dl>
<dl class="function">
<dt id="mimetools.copyliteral">
<tt class="descclassname">mimetools.</tt><tt class="descname">copyliteral</tt><big>(</big><em>input</em>, <em>output</em><big>)</big><a class="headerlink" href="#mimetools.copyliteral" title="Permalink to this definition">¶</a></dt>
<dd>Read lines from open file <em>input</em> until EOF and write them to open file
<em>output</em>.</dd></dl>
<dl class="function">
<dt id="mimetools.copybinary">
<tt class="descclassname">mimetools.</tt><tt class="descname">copybinary</tt><big>(</big><em>input</em>, <em>output</em><big>)</big><a class="headerlink" href="#mimetools.copybinary" title="Permalink to this definition">¶</a></dt>
<dd>Read blocks until EOF from open file <em>input</em> and write them to open file
<em>output</em>. The block size is currently fixed at 8192.</dd></dl>
<div class="admonition-see-also admonition seealso">
<p class="first admonition-title">See also</p>
<dl class="last docutils">
<dt>Module <a title="Package supporting the parsing, manipulating, and generating email messages, including MIME documents." class="reference external" href="email.html#module-email"><tt class="xref docutils literal"><span class="pre">email</span></tt></a></dt>
<dd>Comprehensive email handling package; supersedes the <tt class="xref docutils literal"><span class="pre">mimetools</span></tt> module.</dd>
<dt>Module <a title="Parse 2822 style mail messages. (deprecated)" class="reference external" href="rfc822.html#module-rfc822"><tt class="xref docutils literal"><span class="pre">rfc822</span></tt></a></dt>
<dd>Provides the base class for <a title="mimetools.Message" class="reference internal" href="#mimetools.Message"><tt class="xref docutils literal"><span class="pre">mimetools.Message</span></tt></a>.</dd>
<dt>Module <a title="Support for reading files which contain distinct parts, such as some MIME data. (deprecated)" class="reference external" href="multifile.html#module-multifile"><tt class="xref docutils literal"><span class="pre">multifile</span></tt></a></dt>
<dd>Support for reading files which contain distinct parts, such as MIME data.</dd>
<dt><a class="reference external" href="http://faqs.cs.uu.nl/na-dir/mail/mime-faq/.html">http://faqs.cs.uu.nl/na-dir/mail/mime-faq/.html</a></dt>
<dd>The MIME Frequently Asked Questions document. For an overview of MIME, see the
answer to question 1.1 in Part 1 of this document.</dd>
</dl>
</div>
<div class="section" id="additional-methods-of-message-objects">
<span id="mimetools-message-objects"></span><h2>18.6.1. Additional Methods of Message Objects<a class="headerlink" href="#additional-methods-of-message-objects" title="Permalink to this headline">¶</a></h2>
<p>The <a title="mimetools.Message" class="reference internal" href="#mimetools.Message"><tt class="xref docutils literal"><span class="pre">Message</span></tt></a> class defines the following methods in addition to the
<a title="rfc822.Message" class="reference external" href="rfc822.html#rfc822.Message"><tt class="xref docutils literal"><span class="pre">rfc822.Message</span></tt></a> methods:</p>
<dl class="method">
<dt id="mimetools.Message.getplist">
<tt class="descclassname">Message.</tt><tt class="descname">getplist</tt><big>(</big><big>)</big><a class="headerlink" href="#mimetools.Message.getplist" title="Permalink to this definition">¶</a></dt>
<dd>Return the parameter list of the <em>Content-Type</em> header. This is a
list of strings. For parameters of the form <tt class="docutils literal"><span class="pre">key=value</span></tt>, <em>key</em> is converted
to lower case but <em>value</em> is not. For example, if the message contains the
header <tt class="docutils literal"><span class="pre">Content-type:</span> <span class="pre">text/html;</span> <span class="pre">spam=1;</span> <span class="pre">Spam=2;</span> <span class="pre">Spam</span></tt> then <a title="mimetools.Message.getplist" class="reference internal" href="#mimetools.Message.getplist"><tt class="xref docutils literal"><span class="pre">getplist()</span></tt></a>
will return the Python list <tt class="docutils literal"><span class="pre">['spam=1',</span> <span class="pre">'spam=2',</span> <span class="pre">'Spam']</span></tt>.</dd></dl>
<dl class="method">
<dt id="mimetools.Message.getparam">
<tt class="descclassname">Message.</tt><tt class="descname">getparam</tt><big>(</big><em>name</em><big>)</big><a class="headerlink" href="#mimetools.Message.getparam" title="Permalink to this definition">¶</a></dt>
<dd>Return the <em>value</em> of the first parameter (as returned by <a title="mimetools.Message.getplist" class="reference internal" href="#mimetools.Message.getplist"><tt class="xref docutils literal"><span class="pre">getplist()</span></tt></a>) of
the form <tt class="docutils literal"><span class="pre">name=value</span></tt> for the given <em>name</em>. If <em>value</em> is surrounded by
quotes of the form ‘<tt class="docutils literal"><span class="pre"><</span></tt>...<tt class="docutils literal"><span class="pre">></span></tt>‘ or ‘<tt class="docutils literal"><span class="pre">"</span></tt>...<tt class="docutils literal"><span class="pre">"</span></tt>‘, these are removed.</dd></dl>
<dl class="method">
<dt id="mimetools.Message.getencoding">
<tt class="descclassname">Message.</tt><tt class="descname">getencoding</tt><big>(</big><big>)</big><a class="headerlink" href="#mimetools.Message.getencoding" title="Permalink to this definition">¶</a></dt>
<dd>Return the encoding specified in the <em>Content-Transfer-Encoding</em>
message header. If no such header exists, return <tt class="docutils literal"><span class="pre">'7bit'</span></tt>. The encoding is
converted to lower case.</dd></dl>
<dl class="method">
<dt id="mimetools.Message.gettype">
<tt class="descclassname">Message.</tt><tt class="descname">gettype</tt><big>(</big><big>)</big><a class="headerlink" href="#mimetools.Message.gettype" title="Permalink to this definition">¶</a></dt>
<dd>Return the message type (of the form <tt class="docutils literal"><span class="pre">type/subtype</span></tt>) as specified in the
<em>Content-Type</em> header. If no such header exists, return
<tt class="docutils literal"><span class="pre">'text/plain'</span></tt>. The type is converted to lower case.</dd></dl>
<dl class="method">
<dt id="mimetools.Message.getmaintype">
<tt class="descclassname">Message.</tt><tt class="descname">getmaintype</tt><big>(</big><big>)</big><a class="headerlink" href="#mimetools.Message.getmaintype" title="Permalink to this definition">¶</a></dt>
<dd>Return the main type as specified in the <em>Content-Type</em> header. If
no such header exists, return <tt class="docutils literal"><span class="pre">'text'</span></tt>. The main type is converted to lower
case.</dd></dl>
<dl class="method">
<dt id="mimetools.Message.getsubtype">
<tt class="descclassname">Message.</tt><tt class="descname">getsubtype</tt><big>(</big><big>)</big><a class="headerlink" href="#mimetools.Message.getsubtype" title="Permalink to this definition">¶</a></dt>
<dd>Return the subtype as specified in the <em>Content-Type</em> header. If no
such header exists, return <tt class="docutils literal"><span class="pre">'plain'</span></tt>. The subtype is converted to lower case.</dd></dl>
</div>
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<li><a class="reference external" href="#">18.6. <tt class="docutils literal"><span class="pre">mimetools</span></tt> — Tools for parsing MIME messages</a><ul>
<li><a class="reference external" href="#additional-methods-of-message-objects">18.6.1. Additional Methods of Message Objects</a></li>
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