input/releases/qpid-proton-0.32.0/proton/python/examples/queue_browser.py.html.in

<h1>queue_browser.py</h1>
<div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">print_function</span>
<span class="kn">from</span> <span class="nn">proton.reactor</span> <span class="kn">import</span> <span class="n">Container</span><span class="p">,</span> <span class="n">Copy</span>
<span class="kn">from</span> <span class="nn">proton.handlers</span> <span class="kn">import</span> <span class="n">MessagingHandler</span>

<span class="k">class</span> <span class="nc">Recv</span><span class="p">(</span><span class="n">MessagingHandler</span><span class="p">):</span>
    <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="nb">super</span><span class="p">(</span><span class="n">Recv</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span>

    <span class="k">def</span> <span class="nf">on_start</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">conn</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">container</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s2">&quot;localhost:5672&quot;</span><span class="p">)</span>
        <span class="n">event</span><span class="o">.</span><span class="n">container</span><span class="o">.</span><span class="n">create_receiver</span><span class="p">(</span><span class="n">conn</span><span class="p">,</span> <span class="s2">&quot;examples&quot;</span><span class="p">,</span> <span class="n">options</span><span class="o">=</span><span class="n">Copy</span><span class="p">())</span>

    <span class="k">def</span> <span class="nf">on_message</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="nb">print</span><span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">message</span><span class="p">)</span>
        <span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">receiver</span><span class="o">.</span><span class="n">queued</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">event</span><span class="o">.</span><span class="n">receiver</span><span class="o">.</span><span class="n">drained</span><span class="p">:</span>
            <span class="n">event</span><span class="o">.</span><span class="n">connection</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>

<span class="k">try</span><span class="p">:</span>
    <span class="n">Container</span><span class="p">(</span><span class="n">Recv</span><span class="p">())</span><span class="o">.</span><span class="n">run</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">KeyboardInterrupt</span><span class="p">:</span> <span class="k">pass</span>
</pre></div>

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