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apache / qpid-site / cec5ef152fbc98a1ce2cfe2e67b80c051056437c / . / content / releases / qpid-proton-0.25.0 / proton / python / api / proton._common-pysrc.html
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<a href="proton-module.html">Package&nbsp;proton</a> ::
Module&nbsp;_common
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<h1 class="epydoc">Source Code for <a href="proton._common-module.html" onclick="show_private();">Module proton._common</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"># Licensed to the Apache Software Foundation (ASF) under one</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt> <tt class="py-line"><tt class="py-comment"># or more contributor license agreements. See the NOTICE file</tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt> <tt class="py-line"><tt class="py-comment"># distributed with this work for additional information</tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt> <tt class="py-line"><tt class="py-comment"># regarding copyright ownership. The ASF licenses this file</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt> <tt class="py-line"><tt class="py-comment"># to you under the Apache License, Version 2.0 (the</tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt> <tt class="py-line"><tt class="py-comment"># "License"); you may not use this file except in compliance</tt> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt> <tt class="py-line"><tt class="py-comment"># with the License. You may obtain a copy of the License at</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt> <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt> <tt class="py-line"><tt class="py-comment"># http://www.apache.org/licenses/LICENSE-2.0</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"># Unless required by applicable law or agreed to in writing,</tt> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt> <tt class="py-line"><tt class="py-comment"># software distributed under the License is distributed on an</tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt> <tt class="py-line"><tt class="py-comment"># "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt> <tt class="py-line"><tt class="py-comment"># KIND, either express or implied. See the License for the</tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt> <tt class="py-line"><tt class="py-comment"># specific language governing permissions and limitations</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt> <tt class="py-line"><tt class="py-comment"># under the License.</tt> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt> <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L19"></a><tt class="py-lineno">19</tt> <tt class="py-line"> </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-comment">#</tt> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt> <tt class="py-line"><tt class="py-comment"># Hacks to provide Python2 &lt;---&gt; Python3 compatibility</tt> </tt>
<a name="L23"></a><tt class="py-lineno">23</tt> <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt> <tt class="py-line"><tt class="py-comment"># The results are</tt> </tt>
<a name="L25"></a><tt class="py-lineno">25</tt> <tt class="py-line"><tt class="py-comment"># | |long|unicode|</tt> </tt>
<a name="L26"></a><tt class="py-lineno">26</tt> <tt class="py-line"><tt class="py-comment"># |python2|long|unicode|</tt> </tt>
<a name="L27"></a><tt class="py-lineno">27</tt> <tt class="py-line"><tt class="py-comment"># |python3| int| str|</tt> </tt>
<a name="L28"></a><tt class="py-lineno">28</tt> <tt class="py-line"><tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L29"></a><tt class="py-lineno">29</tt> <tt class="py-line"> <tt class="py-name">long</tt><tt class="py-op">(</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">except</tt> <tt class="py-name">NameError</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">long</tt> <tt class="py-op">=</tt> <tt id="link-0" class="py-name" targets="Class int=int-class.html"><a title="int" class="py-name" href="#" onclick="return doclink('link-0', 'int', 'link-0');">int</a></tt> </tt>
<a name="L32"></a><tt class="py-lineno">32</tt> <tt class="py-line"><tt class="py-keyword">try</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">unicode</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">except</tt> <tt class="py-name">NameError</tt><tt class="py-op">:</tt> </tt>
<a name="L35"></a><tt class="py-lineno">35</tt> <tt class="py-line"> <tt class="py-name">unicode</tt> <tt class="py-op">=</tt> <tt id="link-1" class="py-name" targets="Class str=str-class.html"><a title="str" class="py-name" href="#" onclick="return doclink('link-1', 'str', 'link-1');">str</a></tt> </tt>
<a name="L36"></a><tt class="py-lineno">36</tt> <tt class="py-line"> </tt>
<a name="L37"></a><tt class="py-lineno">37</tt> <tt class="py-line"> </tt>
<a name="isinteger"></a><div id="isinteger-def"><a name="L38"></a><tt class="py-lineno">38</tt> <a class="py-toggle" href="#" id="isinteger-toggle" onclick="return toggle('isinteger');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common-module.html#isinteger">isinteger</a><tt class="py-op">(</tt><tt class="py-param">value</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="isinteger-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="isinteger-expanded"><a name="L39"></a><tt class="py-lineno">39</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">value</tt><tt class="py-op">,</tt> <tt class="py-op">(</tt><tt id="link-2" class="py-name"><a title="int" class="py-name" href="#" onclick="return doclink('link-2', 'int', 'link-0');">int</a></tt><tt class="py-op">,</tt> <tt class="py-name">long</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L40"></a><tt class="py-lineno">40</tt> <tt class="py-line"> </tt>
<a name="L41"></a><tt class="py-lineno">41</tt> <tt class="py-line"> </tt>
<a name="isstring"></a><div id="isstring-def"><a name="L42"></a><tt class="py-lineno">42</tt> <a class="py-toggle" href="#" id="isstring-toggle" onclick="return toggle('isstring');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common-module.html#isstring">isstring</a><tt class="py-op">(</tt><tt class="py-param">value</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="isstring-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="isstring-expanded"><a name="L43"></a><tt class="py-lineno">43</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">value</tt><tt class="py-op">,</tt> <tt class="py-op">(</tt><tt id="link-3" class="py-name"><a title="str" class="py-name" href="#" onclick="return doclink('link-3', 'str', 'link-1');">str</a></tt><tt class="py-op">,</tt> <tt class="py-name">unicode</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L44"></a><tt class="py-lineno">44</tt> <tt class="py-line"> </tt>
<a name="L45"></a><tt class="py-lineno">45</tt> <tt class="py-line"> </tt>
<a name="Constant"></a><div id="Constant-def"><a name="L46"></a><tt class="py-lineno">46</tt> <a class="py-toggle" href="#" id="Constant-toggle" onclick="return toggle('Constant');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="proton._common.Constant-class.html">Constant</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Constant-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="Constant-expanded"><a name="L47"></a><tt class="py-lineno">47</tt> <tt class="py-line"> </tt>
<a name="Constant.__init__"></a><div id="Constant.__init__-def"><a name="L48"></a><tt class="py-lineno">48</tt> <a class="py-toggle" href="#" id="Constant.__init__-toggle" onclick="return toggle('Constant.__init__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common.Constant-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Constant.__init__-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="Constant.__init__-expanded"><a name="L49"></a><tt class="py-lineno">49</tt> <tt class="py-line"> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-4" class="py-name" targets="Variable proton._endpoints.Link.name=proton._endpoints.Link-class.html#name"><a title="proton._endpoints.Link.name" class="py-name" href="#" onclick="return doclink('link-4', 'name', 'link-4');">name</a></tt> <tt class="py-op">=</tt> <tt id="link-5" class="py-name"><a title="proton._endpoints.Link.name" class="py-name" href="#" onclick="return doclink('link-5', 'name', 'link-4');">name</a></tt> </tt>
</div><a name="L50"></a><tt class="py-lineno">50</tt> <tt class="py-line"> </tt>
<a name="Constant.__repr__"></a><div id="Constant.__repr__-def"><a name="L51"></a><tt class="py-lineno">51</tt> <a class="py-toggle" href="#" id="Constant.__repr__-toggle" onclick="return toggle('Constant.__repr__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common.Constant-class.html#__repr__">__repr__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Constant.__repr__-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="Constant.__repr__-expanded"><a name="L52"></a><tt class="py-lineno">52</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-6" class="py-name"><a title="proton._endpoints.Link.name" class="py-name" href="#" onclick="return doclink('link-6', 'name', 'link-4');">name</a></tt> </tt>
</div></div><a name="L53"></a><tt class="py-lineno">53</tt> <tt class="py-line"> </tt>
<a name="L54"></a><tt class="py-lineno">54</tt> <tt class="py-line"> </tt>
<a name="secs2millis"></a><div id="secs2millis-def"><a name="L55"></a><tt class="py-lineno">55</tt> <a class="py-toggle" href="#" id="secs2millis-toggle" onclick="return toggle('secs2millis');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common-module.html#secs2millis">secs2millis</a><tt class="py-op">(</tt><tt class="py-param">secs</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="secs2millis-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="secs2millis-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">long</tt><tt class="py-op">(</tt><tt class="py-name">secs</tt> <tt class="py-op">*</tt> <tt class="py-number">1000</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="L58"></a><tt class="py-lineno">58</tt> <tt class="py-line"> </tt>
<a name="millis2secs"></a><div id="millis2secs-def"><a name="L59"></a><tt class="py-lineno">59</tt> <a class="py-toggle" href="#" id="millis2secs-toggle" onclick="return toggle('millis2secs');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common-module.html#millis2secs">millis2secs</a><tt class="py-op">(</tt><tt class="py-param">millis</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="millis2secs-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="millis2secs-expanded"><a name="L60"></a><tt class="py-lineno">60</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">millis</tt><tt class="py-op">)</tt> <tt class="py-op">/</tt> <tt class="py-number">1000.0</tt> </tt>
</div><a name="L61"></a><tt class="py-lineno">61</tt> <tt class="py-line"> </tt>
<a name="L62"></a><tt class="py-lineno">62</tt> <tt class="py-line"> </tt>
<a name="unicode2utf8"></a><div id="unicode2utf8-def"><a name="L63"></a><tt class="py-lineno">63</tt> <a class="py-toggle" href="#" id="unicode2utf8-toggle" onclick="return toggle('unicode2utf8');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common-module.html#unicode2utf8">unicode2utf8</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="unicode2utf8-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="unicode2utf8-expanded"><a name="L64"></a><tt class="py-lineno">64</tt> <tt class="py-line"> <tt class="py-docstring">"""Some Proton APIs expect a null terminated string. Convert python text</tt> </tt>
<a name="L65"></a><tt class="py-lineno">65</tt> <tt class="py-line"><tt class="py-docstring"> types to UTF8 to avoid zero bytes introduced by other multi-byte encodings.</tt> </tt>
<a name="L66"></a><tt class="py-lineno">66</tt> <tt class="py-line"><tt class="py-docstring"> This method will throw if the string cannot be converted.</tt> </tt>
<a name="L67"></a><tt class="py-lineno">67</tt> <tt class="py-line"><tt class="py-docstring"> """</tt> </tt>
<a name="L68"></a><tt class="py-lineno">68</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">string</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L69"></a><tt class="py-lineno">69</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L70"></a><tt class="py-lineno">70</tt> <tt class="py-line"> <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">string</tt><tt class="py-op">,</tt> <tt id="link-7" class="py-name"><a title="str" class="py-name" href="#" onclick="return doclink('link-7', 'str', 'link-1');">str</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L71"></a><tt class="py-lineno">71</tt> <tt class="py-line"> <tt class="py-comment"># Must be py2 or py3 str</tt> </tt>
<a name="L72"></a><tt class="py-lineno">72</tt> <tt class="py-line"> <tt class="py-comment"># The swig binding converts py3 str -&gt; utf8 char* and back sutomatically</tt> </tt>
<a name="L73"></a><tt class="py-lineno">73</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">string</tt> </tt>
<a name="L74"></a><tt class="py-lineno">74</tt> <tt class="py-line"> <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">string</tt><tt class="py-op">,</tt> <tt class="py-name">unicode</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L75"></a><tt class="py-lineno">75</tt> <tt class="py-line"> <tt class="py-comment"># This must be python2 unicode as we already detected py3 str above</tt> </tt>
<a name="L76"></a><tt class="py-lineno">76</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">string</tt><tt class="py-op">.</tt><tt id="link-8" class="py-name" targets="Method proton._data.Data.encode()=proton._data.Data-class.html#encode,Method proton._message.Message.encode()=proton._message.Message-class.html#encode"><a title="proton._data.Data.encode
proton._message.Message.encode" class="py-name" href="#" onclick="return doclink('link-8', 'encode', 'link-8');">encode</a></tt><tt class="py-op">(</tt><tt class="py-string">'utf-8'</tt><tt class="py-op">)</tt> </tt>
<a name="L77"></a><tt class="py-lineno">77</tt> <tt class="py-line"> <tt class="py-comment"># Anything else illegal - specifically python3 bytes</tt> </tt>
<a name="L78"></a><tt class="py-lineno">78</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">"Unrecognized string type: %r (%s)"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">string</tt><tt class="py-op">,</tt> <tt id="link-9" class="py-name" targets="Method proton._data.Data.type()=proton._data.Data-class.html#type,Variable proton._delivery.Disposition.type=proton._delivery.Disposition-class.html#type,Variable proton._endpoints.Terminus.type=proton._endpoints.Terminus-class.html#type"><a title="proton._data.Data.type
proton._delivery.Disposition.type
proton._endpoints.Terminus.type" class="py-name" href="#" onclick="return doclink('link-9', 'type', 'link-9');">type</a></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-op">)</tt> </tt>
</div><a name="L79"></a><tt class="py-lineno">79</tt> <tt class="py-line"> </tt>
<a name="L80"></a><tt class="py-lineno">80</tt> <tt class="py-line"> </tt>
<a name="utf82unicode"></a><div id="utf82unicode-def"><a name="L81"></a><tt class="py-lineno">81</tt> <a class="py-toggle" href="#" id="utf82unicode-toggle" onclick="return toggle('utf82unicode');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="proton._common-module.html#utf82unicode">utf82unicode</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="utf82unicode-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="utf82unicode-expanded"><a name="L82"></a><tt class="py-lineno">82</tt> <tt class="py-line"> <tt class="py-docstring">"""Convert C strings returned from proton-c into python unicode"""</tt> </tt>
<a name="L83"></a><tt class="py-lineno">83</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">string</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L84"></a><tt class="py-lineno">84</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L85"></a><tt class="py-lineno">85</tt> <tt class="py-line"> <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">string</tt><tt class="py-op">,</tt> <tt class="py-name">unicode</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L86"></a><tt class="py-lineno">86</tt> <tt class="py-line"> <tt class="py-comment"># py2 unicode, py3 str (via hack definition)</tt> </tt>
<a name="L87"></a><tt class="py-lineno">87</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">string</tt> </tt>
<a name="L88"></a><tt class="py-lineno">88</tt> <tt class="py-line"> <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">string</tt><tt class="py-op">,</tt> <tt class="py-name">bytes</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L89"></a><tt class="py-lineno">89</tt> <tt class="py-line"> <tt class="py-comment"># py2 str (via hack definition), py3 bytes</tt> </tt>
<a name="L90"></a><tt class="py-lineno">90</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">string</tt><tt class="py-op">.</tt><tt id="link-10" class="py-name" targets="Method proton._data.Data.decode()=proton._data.Data-class.html#decode,Method proton._message.Message.decode()=proton._message.Message-class.html#decode"><a title="proton._data.Data.decode
proton._message.Message.decode" class="py-name" href="#" onclick="return doclink('link-10', 'decode', 'link-10');">decode</a></tt><tt class="py-op">(</tt><tt class="py-string">'utf8'</tt><tt class="py-op">)</tt> </tt>
<a name="L91"></a><tt class="py-lineno">91</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">"Unrecognized string type"</tt><tt class="py-op">)</tt> </tt>
</div><a name="L92"></a><tt class="py-lineno">92</tt> <tt class="py-line"> </tt><script type="text/javascript">
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