disk.html 11.3 KB
Newer Older
kyodev's avatar
kyodev committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    
    <title>lwr.disk &#8212; live-wrapper 0.7 documentation</title>
    
    <link rel="stylesheet" href="../../_static/classic.css" type="text/css" />
    <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
    
    <script type="text/javascript">
      var DOCUMENTATION_OPTIONS = {
        URL_ROOT:    '../../',
        VERSION:     '0.7',
        COLLAPSE_INDEX: false,
        FILE_SUFFIX: '.html',
        HAS_SOURCE:  true,
        SOURCELINK_SUFFIX: '.txt'
      };
    </script>
    <script type="text/javascript" src="../../_static/jquery.js"></script>
    <script type="text/javascript" src="../../_static/underscore.js"></script>
    <script type="text/javascript" src="../../_static/doctools.js"></script>
    <link rel="index" title="Index" href="../../genindex.html" />
    <link rel="search" title="Search" href="../../search.html" /> 
  </head>
  <body role="document">
    <div class="related" role="navigation" aria-label="related navigation">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../../genindex.html" title="General Index"
             accesskey="I">index</a></li>
        <li class="right" >
          <a href="../../py-modindex.html" title="Python Module Index"
             >modules</a> |</li>
        <li class="nav-item nav-item-0"><a href="../../index.html">live-wrapper 0.7 documentation</a> &#187;</li>
          <li class="nav-item nav-item-1"><a href="../index.html" accesskey="U">Module code</a> &#187;</li> 
      </ul>
    </div>  

    <div class="document">
      <div class="documentwrapper">
        <div class="bodywrapper">
          <div class="body" role="main">
            
  <h1>Source code for lwr.disk</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/disk.py - .disk folder helpers</span>

<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">This module provides helpers for generating the metadata stored in .disk/ on</span>
<span class="sd">the cdroot.</span>
<span class="sd">&quot;&quot;&quot;</span>

<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">from</span> <span class="nn">datetime</span> <span class="k">import</span> <span class="n">datetime</span>

<div class="viewcode-block" id="get_default_description"><a class="viewcode-back" href="../../lwr.html#lwr.disk.get_default_description">[docs]</a><span class="k">def</span> <span class="nf">get_default_description</span><span class="p">(</span><span class="n">distribution</span><span class="p">):</span>
    <span class="n">distribution</span> <span class="o">=</span> <span class="n">distribution</span> <span class="k">if</span> <span class="n">distribution</span> <span class="k">else</span> <span class="s2">&quot;dist&quot;</span>
    <span class="k">if</span> <span class="s1">&#39;official&#39;</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;LWR_DEBUG&#39;</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">):</span>
        <span class="k">return</span> <span class="s2">&quot;Official Debian GNU/Linux &#39;</span><span class="si">%s</span><span class="s2">&#39; Live&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">distribution</span><span class="p">,)</span>
    <span class="k">else</span><span class="p">:</span>
        <span class="k">return</span> <span class="s2">&quot;Unofficial Debian GNU/Linux &#39;</span><span class="si">%s</span><span class="s2">&#39; Live&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">distribution</span><span class="p">,)</span></div>


<div class="viewcode-block" id="install_disk_info"><a class="viewcode-back" href="../../lwr.html#lwr.disk.install_disk_info">[docs]</a><span class="k">def</span> <span class="nf">install_disk_info</span><span class="p">(</span><span class="n">cdroot</span><span class="p">,</span> <span class="n">description</span><span class="p">,</span> <span class="n">xorriso_args</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">    This function creates the .disk/ metadata and installs it into the</span>
<span class="sd">    specified cdroot.</span>
<span class="sd">    &quot;&quot;&quot;</span>

    <span class="n">timestamp</span> <span class="o">=</span> <span class="n">datetime</span><span class="o">.</span><span class="n">utcnow</span><span class="p">()</span><span class="o">.</span><span class="n">strftime</span><span class="p">(</span><span class="s2">&quot;%Y-%m-</span><span class="si">%d</span><span class="s2">T%H:%M&quot;</span><span class="p">)</span>
    <span class="n">metadir</span> <span class="o">=</span> <span class="n">cdroot</span><span class="p">[</span><span class="s1">&#39;.disk&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">path</span>
    <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">metadir</span><span class="p">,</span> <span class="s2">&quot;info&quot;</span><span class="p">),</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">i</span><span class="p">:</span>
        <span class="n">i</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">&quot;</span><span class="si">%s</span><span class="s2"> </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">description</span><span class="p">,</span> <span class="n">timestamp</span><span class="p">,))</span>
    <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">metadir</span><span class="p">,</span> <span class="s2">&quot;udeb_include&quot;</span><span class="p">),</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">i</span><span class="p">:</span>
        <span class="n">i</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">&quot;netcfg</span><span class="se">\n</span><span class="s2">ethdetect</span><span class="se">\n</span><span class="s2">pcmciautils-udeb</span><span class="se">\n</span><span class="s2">live-installer</span><span class="se">\n</span><span class="s2">&quot;</span><span class="p">)</span>
    <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">metadir</span><span class="p">,</span> <span class="s2">&quot;cd_type&quot;</span><span class="p">),</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">i</span><span class="p">:</span>
        <span class="n">i</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">&quot;live&quot;</span><span class="p">)</span>
    <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">metadir</span><span class="p">,</span> <span class="s2">&quot;base_installable&quot;</span><span class="p">),</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">i</span><span class="p">:</span>
        <span class="n">i</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">)</span>
    <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">metadir</span><span class="p">,</span> <span class="s2">&quot;base_components&quot;</span><span class="p">),</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">i</span><span class="p">:</span>
        <span class="n">i</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">&quot;main&quot;</span><span class="p">)</span>
    <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">metadir</span><span class="p">,</span> <span class="s2">&quot;mkisofs&quot;</span><span class="p">),</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">i</span><span class="p">:</span>
        <span class="n">i</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">xorriso_args</span><span class="p">)</span></div>
</pre></div>

          </div>
        </div>
      </div>
      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
        <div class="sphinxsidebarwrapper">
<div id="searchbox" style="display: none" role="search">
  <h3>Quick search</h3>
    <form class="search" action="../../search.html" method="get">
      <div><input type="text" name="q" /></div>
      <div><input type="submit" value="Go" /></div>
      <input type="hidden" name="check_keywords" value="yes" />
      <input type="hidden" name="area" value="default" />
    </form>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
        </div>
      </div>
      <div class="clearer"></div>
    </div>
    <div class="related" role="navigation" aria-label="related navigation">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../../genindex.html" title="General Index"
             >index</a></li>
        <li class="right" >
          <a href="../../py-modindex.html" title="Python Module Index"
             >modules</a> |</li>
        <li class="nav-item nav-item-0"><a href="../../index.html">live-wrapper 0.7 documentation</a> &#187;</li>
          <li class="nav-item nav-item-1"><a href="../index.html" >Module code</a> &#187;</li> 
      </ul>
    </div>
    <div class="footer" role="contentinfo">
        &#169; Copyright 2017, Iain R. Learmonth.
      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.5.6.
    </div>
  </body>
</html>