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<h1>Source code for Bcfg2.Server.Plugins.Packages.Pac</h1><div class="highlight"><pre>
<span class="sd">""" Pacman backend for :mod:`Bcfg2.Server.Plugins.Packages` """</span>
<span class="kn">import</span> <span class="nn">tarfile</span>
<span class="kn">from</span> <span class="nn">Bcfg2.Server.Plugins.Packages.Collection</span> <span class="kn">import</span> <span class="n">Collection</span>
<span class="kn">from</span> <span class="nn">Bcfg2.Server.Plugins.Packages.Source</span> <span class="kn">import</span> <span class="n">Source</span>
<div class="viewcode-block" id="PacCollection"><a class="viewcode-back" href="../../../../../development/packages.html#Bcfg2.Server.Plugins.Packages.Pac.PacCollection">[docs]</a><span class="k">class</span> <span class="nc">PacCollection</span><span class="p">(</span><span class="n">Collection</span><span class="p">):</span>
<span class="sd">""" Handle collections of Pacman sources. This is a no-op object</span>
<span class="sd"> that simply inherits from</span>
<span class="sd"> :class:`Bcfg2.Server.Plugins.Packages.Collection.Collection`,</span>
<span class="sd"> overrides nothing, and defers all operations to :class:`PacSource`</span>
<span class="sd"> """</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">metadata</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">cachepath</span><span class="p">,</span> <span class="n">basepath</span><span class="p">,</span> <span class="n">fam</span><span class="p">,</span>
<span class="n">debug</span><span class="o">=</span><span class="bp">False</span><span class="p">):</span>
<span class="c"># we define an __init__ that just calls the parent __init__,</span>
<span class="c"># so that we can set the docstring on __init__ to something</span>
<span class="c"># different from the parent __init__ -- namely, the parent</span>
<span class="c"># __init__ docstring, minus everything after ``.. -----``,</span>
<span class="c"># which we use to delineate the actual docs from the</span>
<span class="c"># .. autoattribute hacks we have to do to get private</span>
<span class="c"># attributes included in sphinx 1.0 """</span>
<span class="n">Collection</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">metadata</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">cachepath</span><span class="p">,</span> <span class="n">basepath</span><span class="p">,</span> <span class="n">fam</span><span class="p">,</span>
<span class="n">debug</span><span class="o">=</span><span class="n">debug</span><span class="p">)</span>
<span class="n">__init__</span><span class="o">.</span><span class="n">__doc__</span> <span class="o">=</span> <span class="n">Collection</span><span class="o">.</span><span class="n">__init__</span><span class="o">.</span><span class="n">__doc__</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">".. -----"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
</div>
<div class="viewcode-block" id="PacSource"><a class="viewcode-back" href="../../../../../development/packages.html#Bcfg2.Server.Plugins.Packages.Pac.PacSource">[docs]</a><span class="k">class</span> <span class="nc">PacSource</span><span class="p">(</span><span class="n">Source</span><span class="p">):</span>
<span class="sd">""" Handle Pacman sources """</span>
<span class="c">#: :ref:`server-plugins-generators-packages-magic-groups` for</span>
<span class="c">#: ``PacSource`` are "arch" and "parabola"</span>
<span class="n">basegroups</span> <span class="o">=</span> <span class="p">[</span><span class="s">'arch'</span><span class="p">,</span> <span class="s">'parabola'</span><span class="p">]</span>
<span class="c">#: PacSource sets the ``type`` on Package entries to "pacman"</span>
<span class="n">ptype</span> <span class="o">=</span> <span class="s">'pacman'</span>
<span class="nd">@property</span>
<div class="viewcode-block" id="PacSource.urls"><a class="viewcode-back" href="../../../../../development/packages.html#Bcfg2.Server.Plugins.Packages.Pac.PacSource.urls">[docs]</a> <span class="k">def</span> <span class="nf">urls</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">""" A list of URLs to the base metadata file for each</span>
<span class="sd"> repository described by this source. """</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawurl</span><span class="p">:</span>
<span class="n">rv</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">part</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">components</span><span class="p">:</span>
<span class="k">for</span> <span class="n">arch</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">arches</span><span class="p">:</span>
<span class="n">rv</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"</span><span class="si">%s%s</span><span class="s">/os/</span><span class="si">%s</span><span class="s">/</span><span class="si">%s</span><span class="s">.db.tar.gz"</span> <span class="o">%</span>
<span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">url</span><span class="p">,</span> <span class="n">part</span><span class="p">,</span> <span class="n">arch</span><span class="p">,</span> <span class="n">part</span><span class="p">))</span>
<span class="k">return</span> <span class="n">rv</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="s">"PacSource : RAWUrl not supported (yet)"</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="PacSource.read_files"><a class="viewcode-back" href="../../../../../development/packages.html#Bcfg2.Server.Plugins.Packages.Pac.PacSource.read_files">[docs]</a> <span class="k">def</span> <span class="nf">read_files</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">bdeps</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="n">bprov</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="n">depfnames</span> <span class="o">=</span> <span class="p">[</span><span class="s">'Depends'</span><span class="p">,</span> <span class="s">'Pre-Depends'</span><span class="p">]</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">recommended</span><span class="p">:</span>
<span class="n">depfnames</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">'Recommends'</span><span class="p">)</span>
<span class="k">for</span> <span class="n">fname</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">files</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawurl</span><span class="p">:</span>
<span class="n">barch</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">fname</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">'@'</span><span class="p">)</span> <span class="k">if</span> <span class="n">x</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">arches</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="c"># RawURL entries assume that they only have one <Arch></Arch></span>
<span class="c"># element and that it is the architecture of the source.</span>
<span class="n">barch</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">arches</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">if</span> <span class="n">barch</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">bdeps</span><span class="p">:</span>
<span class="n">bdeps</span><span class="p">[</span><span class="n">barch</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="n">bprov</span><span class="p">[</span><span class="n">barch</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">debug_log</span><span class="p">(</span><span class="s">"Packages: try to read </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="n">fname</span><span class="p">)</span>
<span class="n">tar</span> <span class="o">=</span> <span class="n">tarfile</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s">"r"</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">"Packages: Failed to read file </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="n">fname</span><span class="p">)</span>
<span class="k">raise</span>
<span class="k">for</span> <span class="n">tarinfo</span> <span class="ow">in</span> <span class="n">tar</span><span class="p">:</span>
<span class="k">if</span> <span class="n">tarinfo</span><span class="o">.</span><span class="n">isdir</span><span class="p">():</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pkgnames</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">tarinfo</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">rsplit</span><span class="p">(</span><span class="s">"-"</span><span class="p">,</span> <span class="mi">2</span><span class="p">)[</span><span class="mi">0</span><span class="p">])</span>
<span class="bp">self</span><span class="o">.</span><span class="n">debug_log</span><span class="p">(</span><span class="s">"Packages: added </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span>
<span class="n">tarinfo</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">rsplit</span><span class="p">(</span><span class="s">"-"</span><span class="p">,</span> <span class="mi">2</span><span class="p">)[</span><span class="mi">0</span><span class="p">])</span>
<span class="n">tar</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">process_files</span><span class="p">(</span><span class="n">bdeps</span><span class="p">,</span> <span class="n">bprov</span><span class="p">)</span></div>
<span class="n">read_files</span><span class="o">.</span><span class="n">__doc__</span> <span class="o">=</span> <span class="n">Source</span><span class="o">.</span><span class="n">read_files</span><span class="o">.</span><span class="n">__doc__</span></div>
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