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<?xml version="1.0" encoding="ascii"?>
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        <a href="nbxmpp-module.html">Package&nbsp;nbxmpp</a> ::
        Module&nbsp;c14n
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<h1 class="epydoc">Source Code for <a href="nbxmpp.c14n-module.html">Module nbxmpp.c14n</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt>  <tt class="py-line"><tt class="py-comment"># -*- coding:utf-8 -*-</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt>  <tt class="py-line"><tt class="py-comment">## c14n.py</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt>  <tt class="py-line"><tt class="py-comment">##</tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt>  <tt class="py-line"><tt class="py-comment">## Copyright (C) 2007-2008 Brendan Taylor &lt;whateley AT gmail.com&gt;</tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt>  <tt class="py-line"><tt class="py-comment">##</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt>  <tt class="py-line"><tt class="py-comment">## This file is part of Gajim.</tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt>  <tt class="py-line"><tt class="py-comment">##</tt> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt>  <tt class="py-line"><tt class="py-comment">## Gajim is free software; you can redistribute it and/or modify</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt>  <tt class="py-line"><tt class="py-comment">## it under the terms of the GNU General Public License as published</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt>  <tt class="py-line"><tt class="py-comment">## by the Free Software Foundation; version 3 only.</tt> </tt>
<a name="L11"></a><tt class="py-lineno">11</tt>  <tt class="py-line"><tt class="py-comment">##</tt> </tt>
<a name="L12"></a><tt class="py-lineno">12</tt>  <tt class="py-line"><tt class="py-comment">## Gajim is distributed in the hope that it will be useful,</tt> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt>  <tt class="py-line"><tt class="py-comment">## but WITHOUT ANY WARRANTY; without even the implied warranty of</tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt>  <tt class="py-line"><tt class="py-comment">## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt>  <tt class="py-line"><tt class="py-comment">## GNU General Public License for more details.</tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt>  <tt class="py-line"><tt class="py-comment">##</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt>  <tt class="py-line"><tt class="py-comment">## You should have received a copy of the GNU General Public License</tt> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt>  <tt class="py-line"><tt class="py-comment">## along with Gajim. If not, see &lt;http://www.gnu.org/licenses/&gt;.</tt> </tt>
<a name="L19"></a><tt class="py-lineno">19</tt>  <tt class="py-line"><tt class="py-comment">##</tt> </tt>
<a name="L20"></a><tt class="py-lineno">20</tt>  <tt class="py-line"> </tt>
<a name="L21"></a><tt class="py-lineno">21</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt>  <tt class="py-line"><tt class="py-docstring">XML canonicalisation methods (for XEP-0116)</tt> </tt>
<a name="L23"></a><tt class="py-lineno">23</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt>  <tt class="py-line"> </tt>
<a name="L25"></a><tt class="py-lineno">25</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Module nbxmpp.simplexml=nbxmpp.simplexml-module.html"><a title="nbxmpp.simplexml" class="py-name" href="#" onclick="return doclink('link-0', 'simplexml', 'link-0');">simplexml</a></tt> <tt class="py-keyword">import</tt> <tt id="link-1" class="py-name" targets="Function nbxmpp.simplexml.ustr()=nbxmpp.simplexml-module.html#ustr"><a title="nbxmpp.simplexml.ustr" class="py-name" href="#" onclick="return doclink('link-1', 'ustr', 'link-1');">ustr</a></tt> </tt>
<a name="L26"></a><tt class="py-lineno">26</tt>  <tt class="py-line"> </tt>
<a name="c14n"></a><div id="c14n-def"><a name="L27"></a><tt class="py-lineno">27</tt> <a class="py-toggle" href="#" id="c14n-toggle" onclick="return toggle('c14n');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="nbxmpp.c14n-module.html#c14n">c14n</a><tt class="py-op">(</tt><tt class="py-param">node</tt><tt class="py-op">,</tt> <tt class="py-param">is_buggy</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="c14n-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="c14n-expanded"><a name="L28"></a><tt class="py-lineno">28</tt>  <tt class="py-line">    <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-string">"&lt;"</tt> <tt class="py-op">+</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> </tt>
<a name="L29"></a><tt class="py-lineno">29</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">namespace</tt><tt class="py-op">:</tt> </tt>
<a name="L30"></a><tt class="py-lineno">30</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">parent</tt> <tt class="py-keyword">or</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">parent</tt><tt class="py-op">.</tt><tt class="py-name">namespace</tt> <tt class="py-op">!=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">namespace</tt><tt class="py-op">:</tt> </tt>
<a name="L31"></a><tt class="py-lineno">31</tt>  <tt class="py-line">            <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-name">s</tt> <tt class="py-op">+</tt> <tt class="py-string">' xmlns="%s"'</tt> <tt class="py-op">%</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">namespace</tt> </tt>
<a name="L32"></a><tt class="py-lineno">32</tt>  <tt class="py-line"> </tt>
<a name="L33"></a><tt class="py-lineno">33</tt>  <tt class="py-line">    <tt class="py-name">sorted_attrs</tt> <tt class="py-op">=</tt> <tt class="py-name">sorted</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">attrs</tt><tt class="py-op">.</tt><tt id="link-2" class="py-name" targets="Method nbxmpp.roster_nb.NonBlockingRoster.keys()=nbxmpp.roster_nb.NonBlockingRoster-class.html#keys"><a title="nbxmpp.roster_nb.NonBlockingRoster.keys" class="py-name" href="#" onclick="return doclink('link-2', 'keys', 'link-2');">keys</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L34"></a><tt class="py-lineno">34</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt class="py-name">sorted_attrs</tt><tt class="py-op">:</tt> </tt>
<a name="L35"></a><tt class="py-lineno">35</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">is_buggy</tt> <tt class="py-keyword">and</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'xmlns'</tt><tt class="py-op">:</tt> </tt>
<a name="L36"></a><tt class="py-lineno">36</tt>  <tt class="py-line">            <tt class="py-keyword">continue</tt> </tt>
<a name="L37"></a><tt class="py-lineno">37</tt>  <tt class="py-line">        <tt class="py-name">val</tt> <tt class="py-op">=</tt> <tt id="link-3" class="py-name"><a title="nbxmpp.simplexml.ustr" class="py-name" href="#" onclick="return doclink('link-3', 'ustr', 'link-1');">ustr</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">attrs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L38"></a><tt class="py-lineno">38</tt>  <tt class="py-line">        <tt class="py-comment"># like XMLescape() but with whitespace and without &amp;gt;</tt> </tt>
<a name="L39"></a><tt class="py-lineno">39</tt>  <tt class="py-line">        <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-name">s</tt> <tt class="py-op">+</tt> <tt class="py-string">' %s="%s"'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt> <tt class="py-name">key</tt><tt class="py-op">,</tt> <tt id="link-4" class="py-name" targets="Function nbxmpp.c14n.normalise_attr()=nbxmpp.c14n-module.html#normalise_attr"><a title="nbxmpp.c14n.normalise_attr" class="py-name" href="#" onclick="return doclink('link-4', 'normalise_attr', 'link-4');">normalise_attr</a></tt><tt class="py-op">(</tt><tt class="py-name">val</tt><tt class="py-op">)</tt> <tt class="py-op">)</tt> </tt>
<a name="L40"></a><tt class="py-lineno">40</tt>  <tt class="py-line">    <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-name">s</tt> <tt class="py-op">+</tt> <tt class="py-string">"&gt;"</tt> </tt>
<a name="L41"></a><tt class="py-lineno">41</tt>  <tt class="py-line">    <tt class="py-name">cnt</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L42"></a><tt class="py-lineno">42</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">kids</tt><tt class="py-op">:</tt> </tt>
<a name="L43"></a><tt class="py-lineno">43</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">a</tt> <tt class="py-keyword">in</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">kids</tt><tt class="py-op">:</tt> </tt>
<a name="L44"></a><tt class="py-lineno">44</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">cnt</tt><tt class="py-op">:</tt> </tt>
<a name="L45"></a><tt class="py-lineno">45</tt>  <tt class="py-line">                <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-name">s</tt> <tt class="py-op">+</tt> <tt id="link-5" class="py-name" targets="Function nbxmpp.c14n.normalise_text()=nbxmpp.c14n-module.html#normalise_text"><a title="nbxmpp.c14n.normalise_text" class="py-name" href="#" onclick="return doclink('link-5', 'normalise_text', 'link-5');">normalise_text</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">[</tt><tt class="py-name">cnt</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L46"></a><tt class="py-lineno">46</tt>  <tt class="py-line">            <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-name">s</tt> <tt class="py-op">+</tt> <tt id="link-6" class="py-name" targets="Module nbxmpp.c14n=nbxmpp.c14n-module.html,Function nbxmpp.c14n.c14n()=nbxmpp.c14n-module.html#c14n"><a title="nbxmpp.c14n
nbxmpp.c14n.c14n" class="py-name" href="#" onclick="return doclink('link-6', 'c14n', 'link-6');">c14n</a></tt><tt class="py-op">(</tt><tt class="py-name">a</tt><tt class="py-op">,</tt> <tt class="py-name">is_buggy</tt><tt class="py-op">)</tt> </tt>
<a name="L47"></a><tt class="py-lineno">47</tt>  <tt class="py-line">            <tt class="py-name">cnt</tt><tt class="py-op">=</tt><tt class="py-name">cnt</tt><tt class="py-op">+</tt><tt class="py-number">1</tt> </tt>
<a name="L48"></a><tt class="py-lineno">48</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">cnt</tt><tt class="py-op">:</tt> <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-name">s</tt> <tt class="py-op">+</tt> <tt id="link-7" class="py-name"><a title="nbxmpp.c14n.normalise_text" class="py-name" href="#" onclick="return doclink('link-7', 'normalise_text', 'link-5');">normalise_text</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">[</tt><tt class="py-name">cnt</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L49"></a><tt class="py-lineno">49</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">kids</tt> <tt class="py-keyword">and</tt> <tt class="py-name">s</tt><tt class="py-op">.</tt><tt class="py-name">endswith</tt><tt class="py-op">(</tt><tt class="py-string">'&gt;'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L50"></a><tt class="py-lineno">50</tt>  <tt class="py-line">        <tt class="py-name">s</tt><tt class="py-op">=</tt><tt class="py-name">s</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-string">' /&gt;'</tt> </tt>
<a name="L51"></a><tt class="py-lineno">51</tt>  <tt class="py-line">    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L52"></a><tt class="py-lineno">52</tt>  <tt class="py-line">        <tt class="py-name">s</tt> <tt class="py-op">=</tt> <tt class="py-name">s</tt> <tt class="py-op">+</tt> <tt class="py-string">"&lt;/"</tt> <tt class="py-op">+</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> <tt class="py-op">+</tt> <tt class="py-string">"&gt;"</tt> </tt>
<a name="L53"></a><tt class="py-lineno">53</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">s</tt><tt class="py-op">.</tt><tt class="py-name">encode</tt><tt class="py-op">(</tt><tt class="py-string">'utf-8'</tt><tt class="py-op">)</tt> </tt>
</div><a name="L54"></a><tt class="py-lineno">54</tt>  <tt class="py-line"> </tt>
<a name="normalise_attr"></a><div id="normalise_attr-def"><a name="L55"></a><tt class="py-lineno">55</tt> <a class="py-toggle" href="#" id="normalise_attr-toggle" onclick="return toggle('normalise_attr');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="nbxmpp.c14n-module.html#normalise_attr">normalise_attr</a><tt class="py-op">(</tt><tt class="py-param">val</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="normalise_attr-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="normalise_attr-expanded"><a name="L56"></a><tt class="py-lineno">56</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">val</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'&amp;'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;amp;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'&lt;'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;lt;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'"'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;quot;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'\t'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;#x9;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;#xA;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'\r'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;#xD;'</tt><tt class="py-op">)</tt> </tt>
</div><a name="L57"></a><tt class="py-lineno">57</tt>  <tt class="py-line"> </tt>
<a name="normalise_text"></a><div id="normalise_text-def"><a name="L58"></a><tt class="py-lineno">58</tt> <a class="py-toggle" href="#" id="normalise_text-toggle" onclick="return toggle('normalise_text');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="nbxmpp.c14n-module.html#normalise_text">normalise_text</a><tt class="py-op">(</tt><tt class="py-param">val</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="normalise_text-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="normalise_text-expanded"><a name="L59"></a><tt class="py-lineno">59</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">val</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'&amp;'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;amp;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'&lt;'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;lt;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'&gt;'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;gt;'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'\r'</tt><tt class="py-op">,</tt> <tt class="py-string">'&amp;#xD;'</tt><tt class="py-op">)</tt> </tt>
</div><a name="L60"></a><tt class="py-lineno">60</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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