doc/api/python/dataurl-pysrc.html
author Simon Howkins <simonh@symbian.org>
Tue, 30 Mar 2010 13:57:59 +0100
changeset 952 ea541face66b
parent 432 f2ddfa555b0f
permissions -rw-r--r--
Re-apply changes to allow sources.csv to specify a revision by a *local* tag in the web repository. Uses "hg id" instead of "hg in", so not affected by the aborts we had previously. And no need for an empty repo this time either.

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        Module&nbsp;dataurl
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<h1 class="epydoc">Source Code for <a href="dataurl-module.html">Module dataurl</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt>  <tt class="py-line"><tt class="py-comment">#============================================================================ </tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Name        : dataurl.py </tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Part of     : Helium </tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt>  <tt class="py-line"><tt class="py-comment">#Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#All rights reserved.</tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#This component and the accompanying materials are made available</tt> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#under the terms of the License "Eclipse Public License v1.0"</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#which accompanies this distribution, and is available</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#at the URL "http://www.eclipse.org/legal/epl-v10.html".</tt> </tt>
<a name="L11"></a><tt class="py-lineno">11</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L12"></a><tt class="py-lineno">12</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Initial Contributors:</tt> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Nokia Corporation - initial contribution.</tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Contributors:</tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Description:</tt> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#===============================================================================</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 class="py-docstring">""" This module implements method to create dataurl """</tt> </tt>
<a name="L21"></a><tt class="py-lineno">21</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">mimetypes</tt> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">base64</tt> </tt>
<a name="L23"></a><tt class="py-lineno">23</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">urllib</tt> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt>  <tt class="py-line"> </tt>
<a name="from_url"></a><div id="from_url-def"><a name="L25"></a><tt class="py-lineno">25</tt> <a class="py-toggle" href="#" id="from_url-toggle" onclick="return toggle('from_url');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="dataurl-module.html#from_url">from_url</a><tt class="py-op">(</tt><tt class="py-param">url</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="from_url-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="from_url-expanded"><a name="L26"></a><tt class="py-lineno">26</tt>  <tt class="py-line">    <tt class="py-docstring">""" This function returns a data url using content pointed by url. """</tt> </tt>
<a name="L27"></a><tt class="py-lineno">27</tt>  <tt class="py-line">    <tt class="py-op">(</tt><tt class="py-name">mimetype</tt><tt class="py-op">,</tt> <tt class="py-name">encoding</tt><tt class="py-op">)</tt> <tt class="py-op">=</tt> <tt class="py-name">mimetypes</tt><tt class="py-op">.</tt><tt class="py-name">guess_type</tt><tt class="py-op">(</tt><tt class="py-name">url</tt><tt class="py-op">)</tt> </tt>
<a name="L28"></a><tt class="py-lineno">28</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">mimetype</tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L29"></a><tt class="py-lineno">29</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">url</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-name">encoding</tt> <tt class="py-op">!=</tt> <tt class="py-name">None</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">encoding</tt> <tt class="py-op">=</tt> <tt class="py-string">"charset=%s;"</tt> <tt class="py-op">%</tt> <tt class="py-name">encoding</tt> </tt>
<a name="L32"></a><tt class="py-lineno">32</tt>  <tt class="py-line">    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L33"></a><tt class="py-lineno">33</tt>  <tt class="py-line">        <tt class="py-name">encoding</tt> <tt class="py-op">=</tt> <tt class="py-string">""</tt> </tt>
<a name="L34"></a><tt class="py-lineno">34</tt>  <tt class="py-line">    <tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib</tt><tt class="py-op">.</tt><tt class="py-name">urlopen</tt><tt class="py-op">(</tt><tt class="py-name">url</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">read</tt><tt class="py-op">(</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">return</tt> <tt class="py-string">"data:%s;%sbase64,%s"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">mimetype</tt><tt class="py-op">,</tt> <tt class="py-name">encoding</tt><tt class="py-op">,</tt> <tt class="py-name">base64</tt><tt class="py-op">.</tt><tt class="py-name">encodestring</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-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">"\n"</tt><tt class="py-op">,</tt><tt class="py-string">""</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L36"></a><tt class="py-lineno">36</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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