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  <h1>Source code for package_utils.portage_misc_functions</h1><div class="highlight"><pre>
<span class="c">#!/usr/bin/env python2</span>
<span class="c"># Thanks to Zac Medico &lt;zmedico@gentoo.org&gt; for working example of using an api</span>

<span class="kn">import</span> <span class="nn">portage</span>
<span class="kn">from</span> <span class="nn">portage.dbapi._expand_new_virt</span> <span class="kn">import</span> <span class="n">expand_new_virt</span>

<span class="c"># to not use own emerge option parser. Options may change but I hope </span>
<span class="c"># parse_opts function will always be there</span>
<span class="kn">from</span> <span class="nn">_emerge.main</span> <span class="kn">import</span> <span class="n">parse_opts</span>


<div class="viewcode-block" id="portage_api"><a class="viewcode-back" href="../../api.html#package_utils.portage_misc_functions.portage_api">[docs]</a><span class="k">class</span> <span class="nc">portage_api</span><span class="p">:</span>
  <span class="sd">&quot;&quot;&quot; class for accessing the portage api &quot;&quot;&quot;</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="sd">&quot;&quot;&quot; test &quot;&quot;&quot;</span>
	<span class="bp">self</span><span class="o">.</span><span class="n">settings</span><span class="o">=</span><span class="n">portage</span><span class="o">.</span><span class="n">config</span><span class="p">(</span><span class="n">clone</span><span class="o">=</span><span class="n">portage</span><span class="o">.</span><span class="n">settings</span><span class="p">)</span>
	<span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">=</span><span class="n">portage</span><span class="o">.</span><span class="n">db</span><span class="p">[</span><span class="n">portage</span><span class="o">.</span><span class="n">root</span><span class="p">][</span><span class="s">&#39;vartree&#39;</span><span class="p">]</span>
	<span class="bp">self</span><span class="o">.</span><span class="n">vardb</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">.</span><span class="n">dbapi</span>
	<span class="bp">self</span><span class="o">.</span><span class="n">portdb</span><span class="o">=</span><span class="n">portage</span><span class="o">.</span><span class="n">portdb</span>
	<span class="bp">self</span><span class="o">.</span><span class="n">metadata_keys</span> <span class="o">=</span> <span class="p">[</span><span class="n">k</span> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">portage</span><span class="o">.</span><span class="n">auxdbkeys</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">k</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s">&quot;UNUSED_&quot;</span><span class="p">)]</span>
	<span class="bp">self</span><span class="o">.</span><span class="n">use</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">settings</span><span class="p">[</span><span class="s">&quot;USE&quot;</span><span class="p">]</span>

  <span class="c"># recursive dependency getter</span>
<div class="viewcode-block" id="portage_api.get_deps"><a class="viewcode-back" href="../../api.html#package_utils.portage_misc_functions.portage_api.get_deps">[docs]</a>  <span class="k">def</span> <span class="nf">get_deps</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">pkg</span><span class="p">,</span><span class="n">dep_type</span><span class="o">=</span><span class="p">[</span><span class="s">&quot;RDEPEND&quot;</span><span class="p">,</span><span class="s">&quot;DEPEND&quot;</span><span class="p">]):</span>
	<span class="sd">&quot;&quot;&quot; </span>
<span class="sd">	Gets current dependencies of a package on any depth </span>
<span class="sd">	</span>
<span class="sd">	:param pkg: name of package</span>
<span class="sd">	:param dep_type: type of dependencies to recurse. Can be [&quot;DEPEND&quot;] or </span>
<span class="sd">	  [&quot;RDEPEND&quot;, &quot;DEPEND&quot;]</span>
<span class="sd">	:returns: **set** of packages names</span>
<span class="sd">	&quot;&quot;&quot;</span>
	<span class="c">#pkg=&quot;kde-meta&quot;</span>
	<span class="c">#print self.vardb.match(&quot;&lt;sys-apps/paludis-0.26.0_alpha5&quot;)</span>
	<span class="c">#metadata = dict(zip(self.metadata_keys, self.vardb.aux_get(pkg, self.metadata_keys)))</span>
	
	<span class="n">ret</span><span class="o">=</span><span class="nb">set</span><span class="p">()</span>

	<span class="n">pkg</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">portdb</span><span class="o">.</span><span class="n">xmatch</span><span class="p">(</span><span class="s">&quot;bestmatch-visible&quot;</span><span class="p">,</span> <span class="n">pkg</span><span class="p">)</span>	
	<span class="k">if</span> <span class="ow">not</span> <span class="n">pkg</span><span class="p">:</span>
	  <span class="k">return</span> <span class="n">ret</span>

	<span class="c">#print pkg</span>

	<span class="n">known_packages</span><span class="o">=</span><span class="nb">set</span><span class="p">()</span>
	<span class="n">unknown_packages</span><span class="o">=</span><span class="p">{</span><span class="n">pkg</span><span class="p">}</span>
	
	<span class="k">while</span> <span class="n">unknown_packages</span><span class="p">:</span>
	  <span class="n">p</span><span class="o">=</span><span class="n">unknown_packages</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
	  <span class="c">#print &quot;proceeding &quot;+p</span>
	  <span class="k">if</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">known_packages</span><span class="p">:</span>
		<span class="k">continue</span>
	  <span class="n">known_packages</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>

	  <span class="c">#print self.metadata_keys, p,self.portdb.aux_get(p, self.metadata_keys)</span>
	  <span class="n">metadata</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">metadata_keys</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">vardb</span><span class="o">.</span><span class="n">aux_get</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">metadata_keys</span><span class="p">)))</span>
	  <span class="c">#print &quot;proceeding2 &quot;+p</span>

	  <span class="n">dep_str</span> <span class="o">=</span> <span class="s">&quot; &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">metadata</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">dep_type</span><span class="p">)</span>
	  
	  <span class="n">success</span><span class="p">,</span> <span class="n">atoms</span> <span class="o">=</span> <span class="n">portage</span><span class="o">.</span><span class="n">dep_check</span><span class="p">(</span><span class="n">dep_str</span><span class="p">,</span> <span class="bp">None</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">settings</span><span class="p">,</span> <span class="n">myuse</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">use</span><span class="o">.</span><span class="n">split</span><span class="p">(),</span>
		<span class="n">trees</span><span class="o">=</span><span class="n">portage</span><span class="o">.</span><span class="n">db</span><span class="p">,</span> <span class="n">myroot</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">settings</span><span class="p">[</span><span class="s">&quot;ROOT&quot;</span><span class="p">])</span>

	  <span class="c">#print atoms</span>
	  <span class="k">if</span> <span class="ow">not</span> <span class="n">success</span><span class="p">:</span>
		<span class="k">continue</span>

	  <span class="k">for</span> <span class="n">atom</span> <span class="ow">in</span> <span class="n">atoms</span><span class="p">:</span>
		<span class="n">atomname</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">.</span><span class="n">dep_bestmatch</span><span class="p">(</span><span class="n">atom</span><span class="p">)</span>
		<span class="c">#print atomname</span>
		<span class="k">if</span> <span class="ow">not</span> <span class="n">atomname</span><span class="p">:</span>
		  <span class="k">continue</span>
		
		<span class="k">for</span> <span class="n">unvirt_pkg</span> <span class="ow">in</span> <span class="n">expand_new_virt</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">.</span><span class="n">dbapi</span><span class="p">,</span><span class="s">&#39;=&#39;</span><span class="o">+</span><span class="n">atomname</span><span class="p">):</span>
		  <span class="k">for</span> <span class="n">pkg</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">.</span><span class="n">dep_match</span><span class="p">(</span><span class="n">unvirt_pkg</span><span class="p">):</span>
			<span class="n">ret</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">pkg</span><span class="p">)</span>
			<span class="n">unknown_packages</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">pkg</span><span class="p">)</span>
	<span class="k">return</span> <span class="n">ret</span>
</div>
<div class="viewcode-block" id="portage_api.get_system_packages_list"><a class="viewcode-back" href="../../api.html#package_utils.portage_misc_functions.portage_api.get_system_packages_list">[docs]</a>  <span class="k">def</span> <span class="nf">get_system_packages_list</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
	<span class="sd">&quot;&quot;&quot; </span>
<span class="sd">	returns all packages from system set. They are always implicit dependencies</span>
<span class="sd">	</span>
<span class="sd">	:returns: **list** of package names</span>
<span class="sd">	&quot;&quot;&quot;</span>
	<span class="n">ret</span><span class="o">=</span><span class="p">[]</span>
	<span class="k">for</span> <span class="n">atom</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">settings</span><span class="o">.</span><span class="n">packages</span><span class="p">:</span>
	  <span class="k">for</span> <span class="n">pre_pkg</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">.</span><span class="n">dep_match</span><span class="p">(</span><span class="n">atom</span><span class="p">):</span>
		<span class="k">for</span> <span class="n">unvirt_pkg</span> <span class="ow">in</span> <span class="n">expand_new_virt</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">.</span><span class="n">dbapi</span><span class="p">,</span><span class="s">&#39;=&#39;</span><span class="o">+</span><span class="n">pre_pkg</span><span class="p">):</span>
		  <span class="k">for</span> <span class="n">pkg</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">vartree</span><span class="o">.</span><span class="n">dep_match</span><span class="p">(</span><span class="n">unvirt_pkg</span><span class="p">):</span>
			<span class="n">ret</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pkg</span><span class="p">)</span>
	<span class="k">return</span> <span class="n">ret</span>
</div>
<div class="viewcode-block" id="portage_api.parse_emerge_args"><a class="viewcode-back" href="../../api.html#package_utils.portage_misc_functions.portage_api.parse_emerge_args">[docs]</a>  <span class="k">def</span> <span class="nf">parse_emerge_args</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">args</span><span class="p">):</span>
	<span class="sd">&quot;&quot;&quot; </span>
<span class="sd">	call emerge arguments parser </span>
<span class="sd">	</span>
<span class="sd">	:param args: arguments passed to emerge</span>
<span class="sd">	:returns: **tuple** (action string, options dictionary, files or atoms </span>
<span class="sd">	  list)</span>
<span class="sd">	&quot;&quot;&quot;</span>
	<span class="n">action</span><span class="p">,</span> <span class="n">opts</span><span class="p">,</span> <span class="n">files</span> <span class="o">=</span> <span class="n">parse_opts</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="n">silent</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
	<span class="k">return</span> <span class="n">action</span><span class="p">,</span> <span class="n">opts</span><span class="p">,</span> <span class="n">files</span>
</pre></div></div></div>

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