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  <h1>Source code for lwr.xorriso</h1><div class="highlight"><pre>
<span></span><span class="c1"># live-wrapper - Wrapper for vmdebootstrap for creating live images</span>
<span class="c1"># (C) Iain R. Learmonth 2015 &lt;irl@debian.org&gt;</span>
<span class="c1"># See COPYING for terms of usage, modification and redistribution.</span>
<span class="c1">#</span>
<span class="c1"># lwr/xorriso.py - xorriso helpers</span>

<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">The lwr.xorriso module provides helpers for calling xorriso as part of the</span>
<span class="sd">image creation process.</span>

<span class="sd">.. note:: This module requires that the vmdebootstrap modules be available in</span>
<span class="sd">          the Python path.</span>
<span class="sd">&quot;&quot;&quot;</span>

<span class="kn">import</span> <span class="nn">cliapp</span>
<span class="kn">from</span> <span class="nn">vmdebootstrap.base</span> <span class="k">import</span> <span class="n">runcmd</span>

<span class="c1"># pylint: disable=missing-docstring,superfluous-parens</span>

<div class="viewcode-block" id="Xorriso"><a class="viewcode-back" href="../../lwr.html#lwr.xorriso.Xorriso">[docs]</a><span class="k">class</span> <span class="nc">Xorriso</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">    This class acts as a wrapper for ``xorriso`` and allows for the command</span>
<span class="sd">    line arguments passed to be built based on the settings given to the main</span>
<span class="sd">    application.</span>
<span class="sd">    &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="n">image_output</span><span class="p">,</span> <span class="n">volume_id</span><span class="p">,</span> <span class="n">isolinux</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">grub</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">image_output</span> <span class="o">=</span> <span class="n">image_output</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">volume_id</span> <span class="o">=</span> <span class="n">volume_id</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">isolinux</span> <span class="o">=</span> <span class="n">isolinux</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">grub</span> <span class="o">=</span> <span class="n">grub</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;xorriso&#39;</span><span class="p">]</span>

<div class="viewcode-block" id="Xorriso.build_args"><a class="viewcode-back" href="../../lwr.html#lwr.xorriso.Xorriso.build_args">[docs]</a>    <span class="k">def</span> <span class="nf">build_args</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">cdroot</span><span class="p">):</span>
        <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
            <span class="n">cliapp</span><span class="o">.</span><span class="n">AppException</span><span class="p">(</span><span class="s2">&quot;Attempted to rebuild xorriso arguments while&quot;</span>
                                <span class="s2">&quot;they are already defined!&quot;</span><span class="p">)</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s1">&#39;-outdev&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">image_output</span><span class="p">])</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s1">&#39;-volid&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">volume_id</span><span class="p">])</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s1">&#39;-map&#39;</span><span class="p">,</span> <span class="n">cdroot</span><span class="p">,</span> <span class="s1">&#39;/&#39;</span><span class="p">])</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s1">&#39;-chmod&#39;</span><span class="p">,</span> <span class="s1">&#39;0755&#39;</span><span class="p">,</span> <span class="s1">&#39;/&#39;</span><span class="p">,</span> <span class="s1">&#39;--&#39;</span><span class="p">])</span>

        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">isolinux</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s1">&#39;-boot_image&#39;</span><span class="p">,</span> <span class="s1">&#39;isolinux&#39;</span><span class="p">,</span> <span class="s1">&#39;dir=/isolinux&#39;</span><span class="p">,</span>
                              <span class="s1">&#39;-boot_image&#39;</span><span class="p">,</span> <span class="s1">&#39;isolinux&#39;</span><span class="p">,</span>
                              <span class="s1">&#39;system_area=/usr/lib/ISOLINUX/isohdpfx.bin&#39;</span><span class="p">])</span>

        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">grub</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s1">&#39;-boot_image&#39;</span><span class="p">,</span> <span class="s1">&#39;any&#39;</span><span class="p">,</span> <span class="s1">&#39;next&#39;</span><span class="p">,</span>
                              <span class="s1">&#39;-boot_image&#39;</span><span class="p">,</span> <span class="s1">&#39;any&#39;</span><span class="p">,</span> <span class="s1">&#39;efi_path=boot/grub/efi.img&#39;</span><span class="p">,</span>
                              <span class="s1">&#39;-boot_image&#39;</span><span class="p">,</span> <span class="s1">&#39;isolinux&#39;</span><span class="p">,</span> <span class="s1">&#39;partition_entry=gpt_basdat&#39;</span>
                             <span class="p">])</span>

        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">args</span></div>

<div class="viewcode-block" id="Xorriso.build_image"><a class="viewcode-back" href="../../lwr.html#lwr.xorriso.Xorriso.build_image">[docs]</a>    <span class="k">def</span> <span class="nf">build_image</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        This will call ``xorriso`` with the arguments built.</span>

<span class="sd">        .. note::</span>
<span class="sd">            :any:`Xorriso.build_args` must have been called before</span>
<span class="sd">            calling :any:`Xorriso.build_image`.</span>

<span class="sd">        .. warning::</span>
<span class="sd">            The ``xorriso`` binary must be present in the current PATH.</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
            <span class="n">cliapp</span><span class="o">.</span><span class="n">AppException</span><span class="p">(</span><span class="s2">&quot;Attempted to run xorriso before building &quot;</span>
                                <span class="s2">&quot;arguments!&quot;</span><span class="p">)</span>
        <span class="nb">print</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">))</span>
        <span class="n">runcmd</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">)</span></div></div>
</pre></div>

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