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<h1>Source code for Bcfg2.Server.FileMonitor.Pseudo</h1><div class="highlight"><pre>
<span class="sd">""" Pseudo provides static monitor support for file alteration events.</span>
<span class="sd">That is, it only produces "exists" and "endExist" events and does not</span>
<span class="sd">monitor for ongoing changes. """</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">from</span> <span class="nn">Bcfg2.Server.FileMonitor</span> <span class="kn">import</span> <span class="n">FileMonitor</span><span class="p">,</span> <span class="n">Event</span>
<div class="viewcode-block" id="Pseudo"><a class="viewcode-back" href="../../../../development/fam.html#Bcfg2.Server.FileMonitor.Pseudo.Pseudo">[docs]</a><span class="k">class</span> <span class="nc">Pseudo</span><span class="p">(</span><span class="n">FileMonitor</span><span class="p">):</span>
<span class="sd">""" File monitor that only produces events on server startup and</span>
<span class="sd"> doesn't actually monitor for ongoing changes at all. """</span>
<span class="c">#: The ``Pseudo`` monitor should only be used if no other FAM</span>
<span class="c">#: backends are available.</span>
<span class="n">__priority__</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">def</span> <span class="nf">AddMonitor</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">obj</span><span class="p">,</span> <span class="n">handleID</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">handleID</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="n">handleID</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">handles</span><span class="o">.</span><span class="n">keys</span><span class="p">()))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">events</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">Event</span><span class="p">(</span><span class="n">handleID</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="s">'exists'</span><span class="p">))</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">path</span><span class="p">):</span>
<span class="n">dirlist</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="k">for</span> <span class="n">fname</span> <span class="ow">in</span> <span class="n">dirlist</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">events</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">Event</span><span class="p">(</span><span class="n">handleID</span><span class="p">,</span> <span class="n">fname</span><span class="p">,</span> <span class="s">'exists'</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">events</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">Event</span><span class="p">(</span><span class="n">handleID</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="s">'endExist'</span><span class="p">))</span>
<span class="k">if</span> <span class="n">obj</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">handles</span><span class="p">[</span><span class="n">handleID</span><span class="p">]</span> <span class="o">=</span> <span class="n">obj</span>
<span class="k">return</span> <span class="n">handleID</span></div>
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