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<h1>Source code for alarmdecoder.event.event</h1><div class="highlight"><pre>
<span class="c"># event.py (improved)</span>
<span class="c">#</span>
<span class="c"># Based on pyevent originally found at http://www.emptypage.jp/notes/pyevent.en.html</span>
<span class="c">#</span>
<span class="c"># License: https://creativecommons.org/licenses/by/2.1/jp/deed.en</span>
<span class="c">#</span>
<span class="c"># Changes:</span>
<span class="c"># * Added type check in fire()</span>
<span class="c"># * Removed earg from fire() and added support for args/kwargs.</span>
<div class="viewcode-block" id="Event"><a class="viewcode-back" href="../../../alarmdecoder.event.html#alarmdecoder.event.event.Event">[docs]</a><span class="k">class</span> <span class="nc">Event</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">doc</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__doc__</span> <span class="o">=</span> <span class="n">doc</span>
<span class="k">def</span> <span class="nf">__get__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">obj</span><span class="p">,</span> <span class="n">objtype</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">obj</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">return</span> <span class="n">EventHandler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">obj</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">__set__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">obj</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="k">pass</span>
</div>
<div class="viewcode-block" id="EventHandler"><a class="viewcode-back" href="../../../alarmdecoder.event.html#alarmdecoder.event.event.EventHandler">[docs]</a><span class="k">class</span> <span class="nc">EventHandler</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">,</span> <span class="n">obj</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">event</span> <span class="o">=</span> <span class="n">event</span>
<span class="bp">self</span><span class="o">.</span><span class="n">obj</span> <span class="o">=</span> <span class="n">obj</span>
<span class="k">def</span> <span class="nf">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">iter</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_getfunctionlist</span><span class="p">())</span>
<span class="k">def</span> <span class="nf">_getfunctionlist</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""(internal use) """</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">eventhandler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">obj</span><span class="o">.</span><span class="n">__eventhandler__</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="n">eventhandler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">obj</span><span class="o">.</span><span class="n">__eventhandler__</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">return</span> <span class="n">eventhandler</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">event</span><span class="p">,</span> <span class="p">[])</span>
<div class="viewcode-block" id="EventHandler.add"><a class="viewcode-back" href="../../../alarmdecoder.event.html#alarmdecoder.event.event.EventHandler.add">[docs]</a> <span class="k">def</span> <span class="nf">add</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">func</span><span class="p">):</span>
<span class="sd">"""Add new event handler function.</span>
<span class="sd"> Event handler function must be defined like func(sender, earg).</span>
<span class="sd"> You can add handler also by using '+=' operator.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_getfunctionlist</span><span class="p">()</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">func</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span>
</div>
<div class="viewcode-block" id="EventHandler.remove"><a class="viewcode-back" href="../../../alarmdecoder.event.html#alarmdecoder.event.event.EventHandler.remove">[docs]</a> <span class="k">def</span> <span class="nf">remove</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">func</span><span class="p">):</span>
<span class="sd">"""Remove existing event handler function.</span>
<span class="sd"> You can remove handler also by using '-=' operator.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_getfunctionlist</span><span class="p">()</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">func</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span>
</div>
<div class="viewcode-block" id="EventHandler.fire"><a class="viewcode-back" href="../../../alarmdecoder.event.html#alarmdecoder.event.event.EventHandler.fire">[docs]</a> <span class="k">def</span> <span class="nf">fire</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""Fire event and call all handler functions</span>
<span class="sd"> You can call EventHandler object itself like e(*args, **kwargs) instead of</span>
<span class="sd"> e.fire(*args, **kwargs).</span>
<span class="sd"> """</span>
<span class="k">for</span> <span class="n">func</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_getfunctionlist</span><span class="p">():</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">func</span><span class="p">)</span> <span class="o">==</span> <span class="n">EventHandler</span><span class="p">:</span>
<span class="n">func</span><span class="o">.</span><span class="n">fire</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">func</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">obj</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
</div>
<span class="n">__iadd__</span> <span class="o">=</span> <span class="n">add</span>
<span class="n">__isub__</span> <span class="o">=</span> <span class="n">remove</span>
<span class="n">__call__</span> <span class="o">=</span> <span class="n">fire</span></div>
</pre></div>
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