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        <a href="cloudfiles-module.html">Package&nbsp;cloudfiles</a> ::
        Module&nbsp;fjson
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<h1 class="epydoc">Source Code for <a href="cloudfiles.fjson-module.html">Module cloudfiles.fjson</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">tokenize</tt>  <tt class="py-keyword">import</tt>  <tt class="py-name">generate_tokens</tt><tt class="py-op">,</tt> <tt class="py-name">STRING</tt><tt class="py-op">,</tt> <tt class="py-name">NAME</tt><tt class="py-op">,</tt> <tt class="py-name">OP</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">cStringIO</tt> <tt class="py-keyword">import</tt>  <tt class="py-name">StringIO</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">re</tt>        <tt class="py-keyword">import</tt>  <tt class="py-name">compile</tt><tt class="py-op">,</tt> <tt class="py-name">DOTALL</tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt>  <tt class="py-line"> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt>  <tt class="py-line"><tt id="link-0" class="py-name" targets="Variable cloudfiles.fjson.comments=cloudfiles.fjson-module.html#comments"><a title="cloudfiles.fjson.comments" class="py-name" href="#" onclick="return doclink('link-0', 'comments', 'link-0');">comments</a></tt> <tt class="py-op">=</tt> <tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-string">r'/\*.*\*/|//[^\r\n]*'</tt><tt class="py-op">,</tt> <tt class="py-name">DOTALL</tt><tt class="py-op">)</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt>  <tt class="py-line"> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt>  <tt class="py-line"> </tt>
<a name="_loads"></a><div id="_loads-def"><a name="L8"></a><tt class="py-lineno"> 8</tt> <a class="py-toggle" href="#" id="_loads-toggle" onclick="return toggle('_loads');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="cloudfiles.fjson-module.html#_loads">_loads</a><tt class="py-op">(</tt><tt class="py-param">string</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="_loads-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="_loads-expanded"><a name="L9"></a><tt class="py-lineno"> 9</tt>  <tt class="py-line">    <tt class="py-docstring">'''</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt>  <tt class="py-line"><tt class="py-docstring">    Fairly competent json parser exploiting the python tokenizer and eval()</tt> </tt>
<a name="L11"></a><tt class="py-lineno">11</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L12"></a><tt class="py-lineno">12</tt>  <tt class="py-line"><tt class="py-docstring">    _loads(serialized_json) -&gt; object</tt> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt>  <tt class="py-line">        <tt class="py-name">res</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt>  <tt class="py-line">        <tt class="py-name">consts</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'true'</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-string">'false'</tt><tt class="py-op">:</tt> <tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-string">'null'</tt><tt class="py-op">:</tt> <tt class="py-name">None</tt><tt class="py-op">}</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt>  <tt class="py-line">        <tt class="py-name">string</tt> <tt class="py-op">=</tt> <tt class="py-string">'('</tt> <tt class="py-op">+</tt> <tt id="link-1" class="py-name"><a title="cloudfiles.fjson.comments" class="py-name" href="#" onclick="return doclink('link-1', 'comments', 'link-0');">comments</a></tt><tt class="py-op">.</tt><tt class="py-name">sub</tt><tt class="py-op">(</tt><tt class="py-string">''</tt><tt class="py-op">,</tt> <tt class="py-name">string</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-string">')'</tt> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">type</tt><tt class="py-op">,</tt> <tt class="py-name">val</tt><tt class="py-op">,</tt> <tt class="py-name">_</tt><tt class="py-op">,</tt> <tt class="py-name">_</tt><tt class="py-op">,</tt> <tt class="py-name">_</tt> <tt class="py-keyword">in</tt> <tt class="py-name">generate_tokens</tt><tt class="py-op">(</tt><tt class="py-name">StringIO</tt><tt class="py-op">(</tt><tt class="py-name">string</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">readline</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L19"></a><tt class="py-lineno">19</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">type</tt> <tt class="py-op">==</tt> <tt class="py-name">OP</tt> <tt class="py-keyword">and</tt> <tt class="py-name">val</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt class="py-string">'[]{}:,()-'</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> \ </tt>
<a name="L20"></a><tt class="py-lineno">20</tt>  <tt class="py-line">               <tt class="py-op">(</tt><tt class="py-name">type</tt> <tt class="py-op">==</tt> <tt class="py-name">NAME</tt> <tt class="py-keyword">and</tt> <tt class="py-name">val</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt class="py-name">consts</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L21"></a><tt class="py-lineno">21</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-name">AttributeError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt>  <tt class="py-line">            <tt class="py-keyword">elif</tt> <tt class="py-name">type</tt> <tt class="py-op">==</tt> <tt class="py-name">STRING</tt><tt class="py-op">:</tt> </tt>
<a name="L23"></a><tt class="py-lineno">23</tt>  <tt class="py-line">                <tt class="py-name">res</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'u'</tt><tt class="py-op">)</tt> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt>  <tt class="py-line">                <tt class="py-name">res</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</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">'\\/'</tt><tt class="py-op">,</tt> <tt class="py-string">'/'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L25"></a><tt class="py-lineno">25</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L26"></a><tt class="py-lineno">26</tt>  <tt class="py-line">                <tt class="py-name">res</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">val</tt><tt class="py-op">)</tt> </tt>
<a name="L27"></a><tt class="py-lineno">27</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">eval</tt><tt class="py-op">(</tt><tt class="py-string">''</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">res</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">,</tt> <tt class="py-name">consts</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">except</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">raise</tt> <tt class="py-name">AttributeError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L30"></a><tt class="py-lineno">30</tt>  <tt class="py-line"> </tt>
<a name="L31"></a><tt class="py-lineno">31</tt>  <tt class="py-line"> </tt>
<a name="L32"></a><tt class="py-lineno">32</tt>  <tt class="py-line"><tt class="py-comment"># look for a real json parser first</tt> </tt>
<a name="L33"></a><tt class="py-lineno">33</tt>  <tt class="py-line"><tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L34"></a><tt class="py-lineno">34</tt>  <tt class="py-line">    <tt class="py-comment"># 2.6 will have a json module in the stdlib</tt> </tt>
<a name="L35"></a><tt class="py-lineno">35</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">json</tt> <tt class="py-keyword">import</tt> <tt class="py-name">loads</tt> <tt class="py-keyword">as</tt> <tt class="py-name">json_loads</tt> </tt>
<a name="L36"></a><tt class="py-lineno">36</tt>  <tt class="py-line"><tt class="py-keyword">except</tt> <tt class="py-name">ImportError</tt><tt class="py-op">:</tt> </tt>
<a name="L37"></a><tt class="py-lineno">37</tt>  <tt class="py-line">    <tt class="py-keyword">try</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"># simplejson is popular and pretty good</tt> </tt>
<a name="L39"></a><tt class="py-lineno">39</tt>  <tt class="py-line">        <tt class="py-keyword">from</tt> <tt class="py-name">simplejson</tt> <tt class="py-keyword">import</tt> <tt class="py-name">loads</tt> <tt class="py-keyword">as</tt> <tt class="py-name">json_loads</tt> </tt>
<a name="L40"></a><tt class="py-lineno">40</tt>  <tt class="py-line">    <tt class="py-comment"># fall back on local parser otherwise</tt> </tt>
<a name="L41"></a><tt class="py-lineno">41</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt class="py-name">ImportError</tt><tt class="py-op">:</tt> </tt>
<a name="L42"></a><tt class="py-lineno">42</tt>  <tt class="py-line">        <tt class="py-name">json_loads</tt> <tt class="py-op">=</tt> <tt class="py-name">_loads</tt> </tt>
<a name="L43"></a><tt class="py-lineno">43</tt>  <tt class="py-line"> </tt>
<a name="L44"></a><tt class="py-lineno">44</tt>  <tt class="py-line"><tt class="py-name">__all__</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-string">'json_loads'</tt><tt class="py-op">]</tt> </tt>
<a name="L45"></a><tt class="py-lineno">45</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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