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<div class="section" id="module-paramiko.proxy">
<span id="proxycommand-support"></span><h1><tt class="docutils literal"><span class="pre">ProxyCommand</span></tt> support<a class="headerlink" href="#module-paramiko.proxy" title="Permalink to this headline">¶</a></h1>
<dl class="class">
<dt id="paramiko.proxy.ProxyCommand">
<em class="property">class </em><tt class="descclassname">paramiko.proxy.</tt><tt class="descname">ProxyCommand</tt><big>(</big><em>command_line</em><big>)</big><a class="headerlink" href="#paramiko.proxy.ProxyCommand" title="Permalink to this definition">¶</a></dt>
<dd><p>Wraps a subprocess running ProxyCommand-driven programs.</p>
<p>This class implements a the socket-like interface needed by the
<a class="reference internal" href="transport.html#paramiko.transport.Transport" title="paramiko.transport.Transport"><tt class="xref py py-obj docutils literal"><span class="pre">Transport</span></tt></a> and <a class="reference internal" href="packet.html#paramiko.packet.Packetizer" title="paramiko.packet.Packetizer"><tt class="xref py py-obj docutils literal"><span class="pre">Packetizer</span></tt></a> classes. Using this class instead of a
regular socket makes it possible to talk with a Popen’d command that will
proxy traffic between the client and a server hosted in another machine.</p>
<p>Instances of this class may be used as context managers.</p>
<dl class="method">
<dt id="paramiko.proxy.ProxyCommand.__init__">
<tt class="descname">__init__</tt><big>(</big><em>command_line</em><big>)</big><a class="headerlink" href="#paramiko.proxy.ProxyCommand.__init__" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a new CommandProxy instance. The instance created by this
class can be passed as an argument to the <a class="reference internal" href="transport.html#paramiko.transport.Transport" title="paramiko.transport.Transport"><tt class="xref py py-obj docutils literal"><span class="pre">Transport</span></tt></a> class.</p>
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>command_line</strong> (<a class="reference external" href="http://docs.python.org/2.6/library/functions.html#str" title="(in Python v2.6)"><em>str</em></a>) – the command that should be executed and used as the proxy.</td>
</tr>
</tbody>
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</dd></dl>
<dl class="method">
<dt id="paramiko.proxy.ProxyCommand.recv">
<tt class="descname">recv</tt><big>(</big><em>size</em><big>)</big><a class="headerlink" href="#paramiko.proxy.ProxyCommand.recv" title="Permalink to this definition">¶</a></dt>
<dd><p>Read from the standard output of the forked program.</p>
<table class="docutils field-list" frame="void" rules="none">
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>size</strong> (<a class="reference external" href="http://docs.python.org/2.6/library/functions.html#int" title="(in Python v2.6)"><em>int</em></a>) – how many chars should be read</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">the length of the read content, as an <a class="reference external" href="http://docs.python.org/2.6/library/functions.html#int" title="(in Python v2.6)"><tt class="xref py py-obj docutils literal"><span class="pre">int</span></tt></a></td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="paramiko.proxy.ProxyCommand.send">
<tt class="descname">send</tt><big>(</big><em>content</em><big>)</big><a class="headerlink" href="#paramiko.proxy.ProxyCommand.send" title="Permalink to this definition">¶</a></dt>
<dd><p>Write the content received from the SSH client to the standard
input of the forked command.</p>
<table class="docutils field-list" frame="void" rules="none">
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>content</strong> (<a class="reference external" href="http://docs.python.org/2.6/library/functions.html#str" title="(in Python v2.6)"><em>str</em></a>) – string to be sent to the forked command</td>
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