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>pyblio-core 1.3.4</th>
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<a href="Pyblio-module.html">Package&nbsp;Pyblio</a> ::
Module&nbsp;Callback
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<h1 class="epydoc">Source Code for <a href="Pyblio.Callback-module.html">Module Pyblio.Callback</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt> <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt> <tt class="py-line"><tt class="py-docstring">A generic callback mechanism.</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt> <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt> <tt class="py-line"><tt class="py-docstring">Classes that wish to emit events inherit from L{Publisher}. Interested</tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt> <tt class="py-line"><tt class="py-docstring">clients call the L{Publisher.register} method on the object. The</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt> <tt class="py-line"><tt class="py-docstring">publisher then calls L{Publisher.emit} to emit the event."""</tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt> <tt class="py-line"> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">weakref</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt> <tt class="py-line"> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt> <tt class="py-line"> </tt>
<a name="WeakError"></a><div id="WeakError-def"><a name="L11"></a><tt class="py-lineno"> 11</tt> <a class="py-toggle" href="#" id="WeakError-toggle" onclick="return toggle('WeakError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="Pyblio.Callback.WeakError-class.html">WeakError</a> <tt class="py-op">(</tt><tt class="py-base-class">Exception</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="WeakError-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="WeakError-expanded"><a name="L12"></a><tt class="py-lineno"> 12</tt> <tt class="py-line"> <tt class="py-docstring">""" Invoked when a function call is performed on a destroyed method """</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt> <tt class="py-line"> <tt class="py-keyword">pass</tt> </tt>
</div><a name="L14"></a><tt class="py-lineno"> 14</tt> <tt class="py-line"> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt> <tt class="py-line"> </tt>
<a name="WeakMethodBound"></a><div id="WeakMethodBound-def"><a name="L16"></a><tt class="py-lineno"> 16</tt> <a class="py-toggle" href="#" id="WeakMethodBound-toggle" onclick="return toggle('WeakMethodBound');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodBound-class.html">WeakMethodBound</a> <tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodBound-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="WeakMethodBound-expanded"><a name="L17"></a><tt class="py-lineno"> 17</tt> <tt class="py-line"> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt> <tt class="py-line"> <tt class="py-docstring">""" A weak reference on a bound method """</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt> <tt class="py-line"> </tt>
<a name="WeakMethodBound.__init__"></a><div id="WeakMethodBound.__init__-def"><a name="L20"></a><tt class="py-lineno"> 20</tt> <a class="py-toggle" href="#" id="WeakMethodBound.__init__-toggle" onclick="return toggle('WeakMethodBound.__init__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodBound-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">f</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodBound.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="WeakMethodBound.__init__-expanded"><a name="L21"></a><tt class="py-lineno"> 21</tt> <tt class="py-line"> <tt class="py-comment"># Keep a hard reference on the function itself</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt> <tt class="py-line"><tt class="py-comment"></tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-0" class="py-name" targets="Variable Pyblio.Cite.WP.OpenOffice.f=Pyblio.Cite.WP.OpenOffice-module.html#f"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-0', 'f', 'link-0');">f</a></tt> <tt class="py-op">=</tt> <tt id="link-1" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-1', 'f', 'link-0');">f</a></tt><tt class="py-op">.</tt><tt class="py-name">im_func</tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt> <tt class="py-line"> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">c</tt> <tt class="py-op">=</tt> <tt class="py-name">weakref</tt><tt class="py-op">.</tt><tt class="py-name">ref</tt><tt class="py-op">(</tt><tt id="link-2" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-2', 'f', 'link-0');">f</a></tt><tt class="py-op">.</tt><tt class="py-name">im_self</tt><tt class="py-op">)</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> </tt>
</div><a name="L25"></a><tt class="py-lineno"> 25</tt> <tt class="py-line"> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt> <tt class="py-line"> </tt>
<a name="WeakMethodBound.__call__"></a><div id="WeakMethodBound.__call__-def"><a name="L27"></a><tt class="py-lineno"> 27</tt> <a class="py-toggle" href="#" id="WeakMethodBound.__call__-toggle" onclick="return toggle('WeakMethodBound.__call__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodBound-class.html#__call__">__call__</a> <tt class="py-op">(</tt><tt class="py-param">self</tt> <tt class="py-op">,</tt> <tt class="py-op">*</tt><tt class="py-param">arg</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodBound.__call__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="WeakMethodBound.__call__-expanded"><a name="L28"></a><tt class="py-lineno"> 28</tt> <tt class="py-line"> <tt class="py-name">o</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">c</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt> <tt class="py-line"> </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">o</tt> <tt class="py-keyword">is</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-keyword">raise</tt> <tt id="link-3" class="py-name" targets="Class Pyblio.Callback.WeakError=Pyblio.Callback.WeakError-class.html"><a title="Pyblio.Callback.WeakError" class="py-name" href="#" onclick="return doclink('link-3', 'WeakError', 'link-3');">WeakError</a></tt><tt class="py-op">,</tt> <tt class="py-string">'Method called on dead object'</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-keyword">return</tt> <tt id="link-4" class="py-name" targets="Method Pyblio.Query._Constraint.apply()=Pyblio.Query._Constraint-class.html#apply,Method Pyblio.Query._NOTed.apply()=Pyblio.Query._NOTed-class.html#apply,Method Pyblio.Query._Pairs.apply()=Pyblio.Query._Pairs-class.html#apply"><a title="Pyblio.Query._Constraint.apply
Pyblio.Query._NOTed.apply
Pyblio.Query._Pairs.apply" class="py-name" href="#" onclick="return doclink('link-4', 'apply', 'link-4');">apply</a></tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-5" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-5', 'f', 'link-0');">f</a></tt><tt class="py-op">,</tt> <tt class="py-op">(</tt><tt class="py-name">o</tt><tt class="py-op">,</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-name">arg</tt><tt class="py-op">)</tt> </tt>
</div><a name="L34"></a><tt class="py-lineno"> 34</tt> <tt class="py-line"> </tt>
<a name="WeakMethodBound.same"></a><div id="WeakMethodBound.same-def"><a name="L35"></a><tt class="py-lineno"> 35</tt> <a class="py-toggle" href="#" id="WeakMethodBound.same-toggle" onclick="return toggle('WeakMethodBound.same');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodBound-class.html#same">same</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">fn</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodBound.same-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="WeakMethodBound.same-expanded"><a name="L36"></a><tt class="py-lineno"> 36</tt> <tt class="py-line"> <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt> <tt class="py-line"> <tt class="py-name">rf</tt> <tt class="py-op">=</tt> <tt class="py-name">fn</tt><tt class="py-op">.</tt><tt class="py-name">im_func</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt> <tt class="py-line"> <tt class="py-keyword">except</tt> <tt class="py-name">AttributeError</tt><tt class="py-op">:</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
<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 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="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-6', 'f', 'link-0');">f</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">rf</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">c</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">fn</tt><tt class="py-op">.</tt><tt class="py-name">im_self</tt> </tt>
</div></div><a name="L42"></a><tt class="py-lineno"> 42</tt> <tt class="py-line"> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt> <tt class="py-line"> </tt>
<a name="WeakMethodFree"></a><div id="WeakMethodFree-def"><a name="L44"></a><tt class="py-lineno"> 44</tt> <a class="py-toggle" href="#" id="WeakMethodFree-toggle" onclick="return toggle('WeakMethodFree');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodFree-class.html">WeakMethodFree</a><tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodFree-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="WeakMethodFree-expanded"><a name="L45"></a><tt class="py-lineno"> 45</tt> <tt class="py-line"> <tt class="py-docstring">""" A weak reference on an unbound method """</tt> </tt>
<a name="WeakMethodFree.__init__"></a><div id="WeakMethodFree.__init__-def"><a name="L46"></a><tt class="py-lineno"> 46</tt> <a class="py-toggle" href="#" id="WeakMethodFree.__init__-toggle" onclick="return toggle('WeakMethodFree.__init__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodFree-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">f</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodFree.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="WeakMethodFree.__init__-expanded"><a name="L47"></a><tt class="py-lineno"> 47</tt> <tt class="py-line"> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-7" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-7', 'f', 'link-0');">f</a></tt> <tt class="py-op">=</tt> <tt class="py-name">weakref</tt><tt class="py-op">.</tt><tt class="py-name">ref</tt><tt class="py-op">(</tt><tt id="link-8" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-8', 'f', 'link-0');">f</a></tt><tt class="py-op">)</tt> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> </tt>
</div><a name="L49"></a><tt class="py-lineno"> 49</tt> <tt class="py-line"> </tt>
<a name="WeakMethodFree.__call__"></a><div id="WeakMethodFree.__call__-def"><a name="L50"></a><tt class="py-lineno"> 50</tt> <a class="py-toggle" href="#" id="WeakMethodFree.__call__-toggle" onclick="return toggle('WeakMethodFree.__call__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodFree-class.html#__call__">__call__</a> <tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-op">*</tt><tt class="py-param">arg</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodFree.__call__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="WeakMethodFree.__call__-expanded"><a name="L51"></a><tt class="py-lineno"> 51</tt> <tt class="py-line"> <tt class="py-name">o</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-9', 'f', 'link-0');">f</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">o</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-op">:</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-10" class="py-name"><a title="Pyblio.Callback.WeakError" class="py-name" href="#" onclick="return doclink('link-10', 'WeakError', 'link-3');">WeakError</a></tt> <tt class="py-op">,</tt> <tt class="py-string">'Function no longer exist'</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt id="link-11" class="py-name"><a title="Pyblio.Query._Constraint.apply
Pyblio.Query._NOTed.apply
Pyblio.Query._Pairs.apply" class="py-name" href="#" onclick="return doclink('link-11', 'apply', 'link-4');">apply</a></tt><tt class="py-op">(</tt><tt class="py-name">o</tt><tt class="py-op">,</tt> <tt class="py-name">arg</tt><tt class="py-op">)</tt> </tt>
</div><a name="L55"></a><tt class="py-lineno"> 55</tt> <tt class="py-line"> </tt>
<a name="WeakMethodFree.same"></a><div id="WeakMethodFree.same-def"><a name="L56"></a><tt class="py-lineno"> 56</tt> <a class="py-toggle" href="#" id="WeakMethodFree.same-toggle" onclick="return toggle('WeakMethodFree.same');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.WeakMethodFree-class.html#same">same</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">fn</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="WeakMethodFree.same-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="WeakMethodFree.same-expanded"><a name="L57"></a><tt class="py-lineno"> 57</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-12" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-12', 'f', 'link-0');">f</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">fn</tt> </tt>
</div></div><a name="L58"></a><tt class="py-lineno"> 58</tt> <tt class="py-line"> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt> <tt class="py-line"> </tt>
<a name="weakmethod"></a><div id="weakmethod-def"><a name="L60"></a><tt class="py-lineno"> 60</tt> <a class="py-toggle" href="#" id="weakmethod-toggle" onclick="return toggle('weakmethod');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback-module.html#weakmethod">weakmethod</a> <tt class="py-op">(</tt><tt class="py-param">f</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="weakmethod-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="weakmethod-expanded"><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 class="py-keyword">try</tt><tt class="py-op">:</tt> <tt id="link-13" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-13', 'f', 'link-0');">f</a></tt><tt class="py-op">.</tt><tt class="py-name">im_func</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt> <tt class="py-line"> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt> <tt class="py-line"> <tt class="py-keyword">except</tt> <tt class="py-name">AttributeError</tt><tt class="py-op">:</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt id="link-14" class="py-name" targets="Class Pyblio.Callback.WeakMethodFree=Pyblio.Callback.WeakMethodFree-class.html"><a title="Pyblio.Callback.WeakMethodFree" class="py-name" href="#" onclick="return doclink('link-14', 'WeakMethodFree', 'link-14');">WeakMethodFree</a></tt><tt class="py-op">(</tt><tt id="link-15" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-15', 'f', 'link-0');">f</a></tt><tt class="py-op">)</tt> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt> <tt class="py-line"> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> <tt id="link-16" class="py-name" targets="Class Pyblio.Callback.WeakMethodBound=Pyblio.Callback.WeakMethodBound-class.html"><a title="Pyblio.Callback.WeakMethodBound" class="py-name" href="#" onclick="return doclink('link-16', 'WeakMethodBound', 'link-16');">WeakMethodBound</a></tt><tt class="py-op">(</tt><tt id="link-17" class="py-name"><a title="Pyblio.Cite.WP.OpenOffice.f" class="py-name" href="#" onclick="return doclink('link-17', 'f', 'link-0');">f</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L68"></a><tt class="py-lineno"> 68</tt> <tt class="py-line"> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt> <tt class="py-line"> </tt>
<a name="Publisher"></a><div id="Publisher-def"><a name="L70"></a><tt class="py-lineno"> 70</tt> <a class="py-toggle" href="#" id="Publisher-toggle" onclick="return toggle('Publisher');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="Pyblio.Callback.Publisher-class.html">Publisher</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="Publisher-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Publisher-expanded"><a name="L71"></a><tt class="py-lineno"> 71</tt> <tt class="py-line"> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt> <tt class="py-line"> <tt class="py-docstring">""" Base class for objects that wish to emit signals to registered</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt> <tt class="py-line"><tt class="py-docstring"> clients."""</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt> <tt class="py-line"> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt> <tt class="py-line"> </tt>
<a name="Publisher.__init__"></a><div id="Publisher.__init__-def"><a name="L76"></a><tt class="py-lineno"> 76</tt> <a class="py-toggle" href="#" id="Publisher.__init__-toggle" onclick="return toggle('Publisher.__init__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.Publisher-class.html#__init__">__init__</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="Publisher.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Publisher.__init__-expanded"><a name="L77"></a><tt class="py-lineno"> 77</tt> <tt class="py-line"> <tt class="py-docstring">""" Intialize the publisher """</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt> <tt class="py-line"> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt> <tt class="py-line"> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__observers</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> </tt>
</div><a name="L81"></a><tt class="py-lineno"> 81</tt> <tt class="py-line"> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt> <tt class="py-line"> </tt>
<a name="Publisher.emit"></a><div id="Publisher.emit-def"><a name="L83"></a><tt class="py-lineno"> 83</tt> <a class="py-toggle" href="#" id="Publisher.emit-toggle" onclick="return toggle('Publisher.emit');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.Publisher-class.html#emit">emit</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">signal</tt><tt class="py-op">,</tt> <tt class="py-op">*</tt><tt class="py-param">args</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Publisher.emit-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Publisher.emit-expanded"><a name="L84"></a><tt class="py-lineno"> 84</tt> <tt class="py-line"> <tt class="py-docstring">""" Call this method to emit a signal. Registered client will</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt> <tt class="py-line"><tt class="py-docstring"> have their callbacks automatically invoked, with the specified</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt> <tt class="py-line"><tt class="py-docstring"> arguments """</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt> <tt class="py-line"> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt> <tt class="py-line"> <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt> <tt class="py-line"> <tt class="py-name">queue</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__observers</tt><tt class="py-op">[</tt><tt class="py-name">signal</tt><tt class="py-op">]</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt> <tt class="py-line"> <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</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">return</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt> <tt class="py-line"> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt> <tt class="py-line"> <tt class="py-keyword">for</tt> <tt class="py-name">data</tt> <tt class="py-keyword">in</tt> <tt class="py-name">queue</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt> <tt class="py-line"> <tt class="py-name">cb</tt><tt class="py-op">,</tt> <tt class="py-name">bound</tt> <tt class="py-op">=</tt> <tt class="py-name">data</tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt> <tt class="py-line"> <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt> <tt class="py-line"> <tt id="link-18" class="py-name"><a title="Pyblio.Query._Constraint.apply
Pyblio.Query._NOTed.apply
Pyblio.Query._Pairs.apply" class="py-name" href="#" onclick="return doclink('link-18', 'apply', 'link-4');">apply</a></tt><tt class="py-op">(</tt><tt class="py-name">cb</tt><tt class="py-op">,</tt> <tt class="py-name">args</tt> <tt class="py-op">+</tt> <tt class="py-name">bound</tt><tt class="py-op">)</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt> <tt class="py-line"> <tt class="py-keyword">except</tt> <tt id="link-19" class="py-name"><a title="Pyblio.Callback.WeakError" class="py-name" href="#" onclick="return doclink('link-19', 'WeakError', 'link-3');">WeakError</a></tt><tt class="py-op">:</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt> <tt class="py-line"> <tt class="py-name">queue</tt><tt class="py-op">.</tt><tt class="py-name">remove</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt> <tt class="py-line"> <tt class="py-keyword">continue</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> </tt>
</div><a name="L101"></a><tt class="py-lineno">101</tt> <tt class="py-line"> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt> <tt class="py-line"> </tt>
<a name="Publisher.register"></a><div id="Publisher.register-def"><a name="L103"></a><tt class="py-lineno">103</tt> <a class="py-toggle" href="#" id="Publisher.register-toggle" onclick="return toggle('Publisher.register');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.Publisher-class.html#register">register</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">signal</tt><tt class="py-op">,</tt> <tt class="py-param">callback</tt><tt class="py-op">,</tt> <tt class="py-op">*</tt><tt class="py-param">args</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Publisher.register-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Publisher.register-expanded"><a name="L104"></a><tt class="py-lineno">104</tt> <tt class="py-line"> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt> <tt class="py-line"> <tt class="py-docstring">""" Clients interested in a given signal must register with</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt> <tt class="py-line"><tt class="py-docstring"> this method. The optional args are passed as the last</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt> <tt class="py-line"><tt class="py-docstring"> arguments (after the emit arguments) to the callback. """</tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt> <tt class="py-line"> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt> <tt class="py-line"> <tt class="py-name">queue</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__observers</tt><tt class="py-op">.</tt><tt class="py-name">setdefault</tt><tt class="py-op">(</tt><tt class="py-name">signal</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt> <tt class="py-line"> <tt class="py-name">queue</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name" targets="Method Pyblio.Parsers.Syntax.BibTeX.Parser.Block.append()=Pyblio.Parsers.Syntax.BibTeX.Parser.Block-class.html#append"><a title="Pyblio.Parsers.Syntax.BibTeX.Parser.Block.append" class="py-name" href="#" onclick="return doclink('link-20', 'append', 'link-20');">append</a></tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt id="link-21" class="py-name" targets="Function Pyblio.Callback.weakmethod()=Pyblio.Callback-module.html#weakmethod"><a title="Pyblio.Callback.weakmethod" class="py-name" href="#" onclick="return doclink('link-21', 'weakmethod', 'link-21');">weakmethod</a></tt><tt class="py-op">(</tt><tt class="py-name">callback</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">args</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> </tt>
</div><a name="L112"></a><tt class="py-lineno">112</tt> <tt class="py-line"> </tt>
<a name="Publisher.unregister"></a><div id="Publisher.unregister-def"><a name="L113"></a><tt class="py-lineno">113</tt> <a class="py-toggle" href="#" id="Publisher.unregister-toggle" onclick="return toggle('Publisher.unregister');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="Pyblio.Callback.Publisher-class.html#unregister">unregister</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">signal</tt><tt class="py-op">,</tt> <tt class="py-param">callback</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Publisher.unregister-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Publisher.unregister-expanded"><a name="L114"></a><tt class="py-lineno">114</tt> <tt class="py-line"> <tt class="py-docstring">""" Stop notifying events for the specified signal/callback</tt> </tt>
<a name="L115"></a><tt class="py-lineno">115</tt> <tt class="py-line"><tt class="py-docstring"> pair."""</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt> <tt class="py-line"> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt> <tt class="py-line"> <tt class="py-name">queue</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__observers</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name" targets="Function Pyblio.Registry.get()=Pyblio.Registry-module.html#get,Method Pyblio.Store.Record.get()=Pyblio.Store.Record-class.html#get,Function Pyblio.Store.get()=Pyblio.Store-module.html#get"><a title="Pyblio.Registry.get
Pyblio.Store.Record.get
Pyblio.Store.get" class="py-name" href="#" onclick="return doclink('link-22', 'get', 'link-22');">get</a></tt><tt class="py-op">(</tt><tt class="py-name">signal</tt><tt class="py-op">,</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt> <tt class="py-line"> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt> <tt class="py-line"> <tt class="py-keyword">for</tt> <tt class="py-name">data</tt> <tt class="py-keyword">in</tt> <tt class="py-name">queue</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt> <tt class="py-line"> <tt class="py-name">cb</tt><tt class="py-op">,</tt> <tt class="py-name">bound</tt> <tt class="py-op">=</tt> <tt class="py-name">data</tt> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt> <tt class="py-line"> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">cb</tt><tt class="py-op">.</tt><tt id="link-23" class="py-name" targets="Method Pyblio.Callback.WeakMethodBound.same()=Pyblio.Callback.WeakMethodBound-class.html#same,Method Pyblio.Callback.WeakMethodFree.same()=Pyblio.Callback.WeakMethodFree-class.html#same"><a title="Pyblio.Callback.WeakMethodBound.same
Pyblio.Callback.WeakMethodFree.same" class="py-name" href="#" onclick="return doclink('link-23', 'same', 'link-23');">same</a></tt><tt class="py-op">(</tt><tt class="py-name">callback</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt> <tt class="py-line"> <tt class="py-name">queue</tt><tt class="py-op">.</tt><tt class="py-name">remove</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt> <tt class="py-line"> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt> <tt class="py-line"> <tt class="py-keyword">return</tt> </tt>
</div></div><a name="L126"></a><tt class="py-lineno">126</tt> <tt class="py-line"> </tt><script type="text/javascript">
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