lorax/_modules/pylorax/sysutils.html

326 lines
20 KiB
HTML
Raw Normal View History

2015-05-16 00:30:02 +00:00
<!DOCTYPE html>
<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
<head>
<meta charset="utf-8">
2015-07-17 15:40:26 +00:00
2015-05-16 00:30:02 +00:00
<meta name="viewport" content="width=device-width, initial-scale=1.0">
2018-06-07 16:05:51 +00:00
<title>pylorax.sysutils &mdash; Lorax 29.7 documentation</title>
2015-05-16 00:30:02 +00:00
2017-11-28 17:30:43 +00:00
2015-05-16 00:30:02 +00:00
<link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
<link rel="index" title="Index" href="../../genindex.html" />
<link rel="search" title="Search" href="../../search.html" />
2015-05-16 00:30:02 +00:00
2016-02-13 00:08:15 +00:00
<script src="../../_static/js/modernizr.min.js"></script>
2015-05-16 00:30:02 +00:00
</head>
<body class="wy-body-for-nav">
2015-05-16 00:30:02 +00:00
2017-11-28 17:30:43 +00:00
2015-05-16 00:30:02 +00:00
<div class="wy-grid-for-nav">
<nav data-toggle="wy-nav-shift" class="wy-nav-side">
2016-02-13 00:08:15 +00:00
<div class="wy-side-scroll">
<div class="wy-side-nav-search">
2015-07-17 15:40:26 +00:00
2016-02-13 00:08:15 +00:00
<a href="../../index.html" class="icon icon-home"> Lorax
2015-07-17 15:40:26 +00:00
2016-02-13 00:08:15 +00:00
</a>
2015-07-17 15:40:26 +00:00
2016-02-13 00:08:15 +00:00
<div class="version">
2018-06-07 16:05:51 +00:00
29.7
2016-02-13 00:08:15 +00:00
</div>
2015-05-16 00:30:02 +00:00
<div role="search">
<form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
<input type="text" name="q" placeholder="Search docs" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</div>
2015-07-17 15:40:26 +00:00
2015-05-16 00:30:02 +00:00
2016-02-13 00:08:15 +00:00
</div>
<div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
2015-05-16 00:30:02 +00:00
2016-02-13 00:08:15 +00:00
2017-11-28 17:30:43 +00:00
<ul>
2015-05-16 00:30:02 +00:00
<li class="toctree-l1"><a class="reference internal" href="../../intro.html">Introduction to Lorax</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../intro.html#before-lorax">Before Lorax</a></li>
2016-02-13 00:08:15 +00:00
<li class="toctree-l1"><a class="reference internal" href="../../lorax.html">Lorax</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../livemedia-creator.html">livemedia-creator</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../lorax-composer.html">lorax-composer</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../composer-cli.html">composer-cli</a></li>
2015-05-16 00:30:02 +00:00
<li class="toctree-l1"><a class="reference internal" href="../../product-images.html">Product and Updates Images</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../modules.html">src</a></li>
2015-05-16 00:30:02 +00:00
</ul>
2016-02-13 00:08:15 +00:00
2015-05-16 00:30:02 +00:00
2016-02-13 00:08:15 +00:00
</div>
2015-05-16 00:30:02 +00:00
</div>
</nav>
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
<nav class="wy-nav-top" aria-label="top navigation">
2017-11-28 17:30:43 +00:00
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
<a href="../../index.html">Lorax</a>
2015-05-16 00:30:02 +00:00
</nav>
<div class="wy-nav-content">
2015-05-16 00:30:02 +00:00
<div class="rst-content">
2016-02-13 00:08:15 +00:00
2017-11-28 17:30:43 +00:00
2016-02-13 00:08:15 +00:00
<div role="navigation" aria-label="breadcrumbs navigation">
2017-11-28 17:30:43 +00:00
2015-05-16 00:30:02 +00:00
<ul class="wy-breadcrumbs">
2017-11-28 17:30:43 +00:00
<li><a href="../../index.html">Docs</a> &raquo;</li>
2015-05-16 00:30:02 +00:00
<li><a href="../index.html">Module code</a> &raquo;</li>
2017-11-28 17:30:43 +00:00
2015-05-16 00:30:02 +00:00
<li><a href="../pylorax.html">pylorax</a> &raquo;</li>
2017-11-28 17:30:43 +00:00
<li>pylorax.sysutils</li>
2015-05-16 00:30:02 +00:00
<li class="wy-breadcrumbs-aside">
</li>
2017-11-28 17:30:43 +00:00
2015-05-16 00:30:02 +00:00
</ul>
2017-11-28 17:30:43 +00:00
2015-05-16 00:30:02 +00:00
<hr/>
</div>
2016-02-13 00:08:15 +00:00
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
<div itemprop="articleBody">
2015-05-16 00:30:02 +00:00
<h1>Source code for pylorax.sysutils</h1><div class="highlight"><pre>
2016-05-23 23:58:08 +00:00
<span></span><span class="c1">#</span>
<span class="c1"># sysutils.py</span>
<span class="c1">#</span>
<span class="c1"># Copyright (C) 2009-2015 Red Hat, Inc.</span>
<span class="c1">#</span>
<span class="c1"># This program is free software; you can redistribute it and/or modify</span>
<span class="c1"># it under the terms of the GNU General Public License as published by</span>
<span class="c1"># the Free Software Foundation; either version 2 of the License, or</span>
<span class="c1"># (at your option) any later version.</span>
<span class="c1">#</span>
<span class="c1"># This program is distributed in the hope that it will be useful,</span>
<span class="c1"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="c1"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="c1"># GNU General Public License for more details.</span>
<span class="c1">#</span>
<span class="c1"># You should have received a copy of the GNU General Public License</span>
<span class="c1"># along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<span class="c1">#</span>
<span class="c1"># Red Hat Author(s): Martin Gracik &lt;mgracik@redhat.com&gt;</span>
<span class="c1">#</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;joinpaths&quot;</span><span class="p">,</span> <span class="s2">&quot;touch&quot;</span><span class="p">,</span> <span class="s2">&quot;replace&quot;</span><span class="p">,</span> <span class="s2">&quot;chown_&quot;</span><span class="p">,</span> <span class="s2">&quot;chmod_&quot;</span><span class="p">,</span> <span class="s2">&quot;remove&quot;</span><span class="p">,</span>
<span class="s2">&quot;linktree&quot;</span><span class="p">]</span>
2015-05-16 00:30:02 +00:00
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">re</span>
<span class="kn">import</span> <span class="nn">fileinput</span>
<span class="kn">import</span> <span class="nn">pwd</span>
<span class="kn">import</span> <span class="nn">grp</span>
<span class="kn">import</span> <span class="nn">glob</span>
<span class="kn">import</span> <span class="nn">shutil</span>
2016-11-29 17:29:44 +00:00
<span class="kn">from</span> <span class="nn">pylorax.executils</span> <span class="k">import</span> <span class="n">runcmd</span>
2015-05-16 00:30:02 +00:00
<div class="viewcode-block" id="joinpaths"><a class="viewcode-back" href="../../pylorax.html#pylorax.sysutils.joinpaths">[docs]</a><span class="k">def</span> <span class="nf">joinpaths</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">sep</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
2016-05-23 23:58:08 +00:00
<span class="k">if</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;follow_symlinks&quot;</span><span class="p">):</span>
2015-05-16 00:30:02 +00:00
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">realpath</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
2016-11-29 17:29:44 +00:00
<span class="k">return</span> <span class="n">path</span></div>
2015-05-16 00:30:02 +00:00
<div class="viewcode-block" id="touch"><a class="viewcode-back" href="../../pylorax.html#pylorax.sysutils.touch">[docs]</a><span class="k">def</span> <span class="nf">touch</span><span class="p">(</span><span class="n">fname</span><span class="p">):</span>
2016-05-23 23:58:08 +00:00
<span class="c1"># python closes the file when it goes out of scope</span>
2016-11-29 17:29:44 +00:00
<span class="nb">open</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">)</span></div>
2015-05-16 00:30:02 +00:00
<div class="viewcode-block" id="replace"><a class="viewcode-back" href="../../pylorax.html#pylorax.sysutils.replace">[docs]</a><span class="k">def</span> <span class="nf">replace</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="n">find</span><span class="p">,</span> <span class="n">sub</span><span class="p">):</span>
<span class="n">fin</span> <span class="o">=</span> <span class="n">fileinput</span><span class="o">.</span><span class="n">input</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="n">inplace</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
<span class="n">pattern</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">find</span><span class="p">)</span>
<span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="n">fin</span><span class="p">:</span>
<span class="n">line</span> <span class="o">=</span> <span class="n">pattern</span><span class="o">.</span><span class="n">sub</span><span class="p">(</span><span class="n">sub</span><span class="p">,</span> <span class="n">line</span><span class="p">)</span>
<span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
2016-11-29 17:29:44 +00:00
<span class="n">fin</span><span class="o">.</span><span class="n">close</span><span class="p">()</span></div>
2015-05-16 00:30:02 +00:00
2016-11-29 17:29:44 +00:00
<div class="viewcode-block" id="chown_"><a class="viewcode-back" href="../../pylorax.html#pylorax.sysutils.chown_">[docs]</a><span class="k">def</span> <span class="nf">chown_</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">user</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">group</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
2015-05-16 00:30:02 +00:00
<span class="n">uid</span> <span class="o">=</span> <span class="n">gid</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>
2016-11-29 17:29:44 +00:00
<span class="k">if</span> <span class="n">user</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
2015-05-16 00:30:02 +00:00
<span class="n">uid</span> <span class="o">=</span> <span class="n">pwd</span><span class="o">.</span><span class="n">getpwnam</span><span class="p">(</span><span class="n">user</span><span class="p">)[</span><span class="mi">2</span><span class="p">]</span>
2016-11-29 17:29:44 +00:00
<span class="k">if</span> <span class="n">group</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
2015-05-16 00:30:02 +00:00
<span class="n">gid</span> <span class="o">=</span> <span class="n">grp</span><span class="o">.</span><span class="n">getgrnam</span><span class="p">(</span><span class="n">group</span><span class="p">)[</span><span class="mi">2</span><span class="p">]</span>
<span class="k">for</span> <span class="n">fname</span> <span class="ow">in</span> <span class="n">glob</span><span class="o">.</span><span class="n">iglob</span><span class="p">(</span><span class="n">path</span><span class="p">):</span>
<span class="n">os</span><span class="o">.</span><span class="n">chown</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="n">uid</span><span class="p">,</span> <span class="n">gid</span><span class="p">)</span>
<span class="k">if</span> <span class="n">recursive</span> <span class="ow">and</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">fname</span><span class="p">):</span>
<span class="k">for</span> <span class="n">nested</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="n">fname</span><span class="p">):</span>
<span class="n">nested</span> <span class="o">=</span> <span class="n">joinpaths</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="n">nested</span><span class="p">)</span>
2016-11-29 17:29:44 +00:00
<span class="n">chown_</span><span class="p">(</span><span class="n">nested</span><span class="p">,</span> <span class="n">user</span><span class="p">,</span> <span class="n">group</span><span class="p">,</span> <span class="n">recursive</span><span class="p">)</span></div>
2015-05-16 00:30:02 +00:00
2016-11-29 17:29:44 +00:00
<div class="viewcode-block" id="chmod_"><a class="viewcode-back" href="../../pylorax.html#pylorax.sysutils.chmod_">[docs]</a><span class="k">def</span> <span class="nf">chmod_</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">mode</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
2015-05-16 00:30:02 +00:00
<span class="k">for</span> <span class="n">fname</span> <span class="ow">in</span> <span class="n">glob</span><span class="o">.</span><span class="n">iglob</span><span class="p">(</span><span class="n">path</span><span class="p">):</span>
<span class="n">os</span><span class="o">.</span><span class="n">chmod</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="n">mode</span><span class="p">)</span>
<span class="k">if</span> <span class="n">recursive</span> <span class="ow">and</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">fname</span><span class="p">):</span>
<span class="k">for</span> <span class="n">nested</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="n">fname</span><span class="p">):</span>
<span class="n">nested</span> <span class="o">=</span> <span class="n">joinpaths</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="n">nested</span><span class="p">)</span>
2016-11-29 17:29:44 +00:00
<span class="n">chmod_</span><span class="p">(</span><span class="n">nested</span><span class="p">,</span> <span class="n">mode</span><span class="p">,</span> <span class="n">recursive</span><span class="p">)</span></div>
2015-05-16 00:30:02 +00:00
<span class="k">def</span> <span class="nf">cpfile</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">):</span>
<span class="n">shutil</span><span class="o">.</span><span class="n">copy2</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">)</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">dst</span><span class="p">):</span>
<span class="n">dst</span> <span class="o">=</span> <span class="n">joinpaths</span><span class="p">(</span><span class="n">dst</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">basename</span><span class="p">(</span><span class="n">src</span><span class="p">))</span>
<span class="k">return</span> <span class="n">dst</span>
<span class="k">def</span> <span class="nf">mvfile</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">):</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">dst</span><span class="p">):</span>
<span class="n">dst</span> <span class="o">=</span> <span class="n">joinpaths</span><span class="p">(</span><span class="n">dst</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">basename</span><span class="p">(</span><span class="n">src</span><span class="p">))</span>
<span class="n">os</span><span class="o">.</span><span class="n">rename</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">)</span>
<span class="k">return</span> <span class="n">dst</span>
<div class="viewcode-block" id="remove"><a class="viewcode-back" href="../../pylorax.html#pylorax.sysutils.remove">[docs]</a><span class="k">def</span> <span class="nf">remove</span><span class="p">(</span><span class="n">target</span><span class="p">):</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">target</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">islink</span><span class="p">(</span><span class="n">target</span><span class="p">):</span>
<span class="n">shutil</span><span class="o">.</span><span class="n">rmtree</span><span class="p">(</span><span class="n">target</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
2016-11-29 17:29:44 +00:00
<span class="n">os</span><span class="o">.</span><span class="n">unlink</span><span class="p">(</span><span class="n">target</span><span class="p">)</span></div>
2015-05-16 00:30:02 +00:00
<div class="viewcode-block" id="linktree"><a class="viewcode-back" href="../../pylorax.html#pylorax.sysutils.linktree">[docs]</a><span class="k">def</span> <span class="nf">linktree</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">):</span>
2016-05-23 23:58:08 +00:00
<span class="n">runcmd</span><span class="p">([</span><span class="s2">&quot;/bin/cp&quot;</span><span class="p">,</span> <span class="s2">&quot;-alx&quot;</span><span class="p">,</span> <span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">])</span></div>
2015-05-16 00:30:02 +00:00
</pre></div>
2017-11-28 17:30:43 +00:00
</div>
2015-05-16 00:30:02 +00:00
</div>
<footer>
<hr/>
<div role="contentinfo">
<p>
2018-03-15 20:49:26 +00:00
&copy; Copyright 2018, Red Hat, Inc..
2016-02-13 00:08:15 +00:00
2015-05-16 00:30:02 +00:00
</p>
</div>
Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
2015-07-17 15:40:26 +00:00
2015-05-16 00:30:02 +00:00
</footer>
2015-07-17 15:40:26 +00:00
2015-05-16 00:30:02 +00:00
</div>
</div>
</section>
</div>
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT:'../../',
2018-06-07 16:05:51 +00:00
VERSION:'29.7',
LANGUAGE:'None',
2015-05-16 00:30:02 +00:00
COLLAPSE_INDEX:false,
FILE_SUFFIX:'.html',
2017-11-28 17:30:43 +00:00
HAS_SOURCE: true,
SOURCELINK_SUFFIX: '.txt'
2015-05-16 00:30:02 +00:00
};
</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>
<script type="text/javascript" src="../../_static/js/theme.js"></script>
<script type="text/javascript">
jQuery(function () {
2018-06-04 23:34:57 +00:00
SphinxRtdTheme.Navigation.enable(true);
2015-05-16 00:30:02 +00:00
});
</script>
2015-05-16 00:30:02 +00:00
</body>
</html>