lorax/docs/html/_modules/pylorax/dnfhelper.html

323 lines
24 KiB
HTML
Raw Normal View History

<!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">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
2015-10-07 18:25:53 +00:00
<title>pylorax.dnfhelper &mdash; Lorax 24.3 documentation</title>
<link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
2015-10-07 18:25:53 +00:00
<link rel="top" title="Lorax 24.3 documentation" href="../../index.html"/>
<link rel="up" title="pylorax" href="../pylorax.html"/>
<script src="_static/js/modernizr.min.js"></script>
</head>
<body class="wy-body-for-nav" role="document">
<div class="wy-grid-for-nav">
<nav data-toggle="wy-nav-shift" class="wy-nav-side">
<div class="wy-side-nav-search">
<a href="../../index.html" class="icon icon-home"> Lorax
</a>
<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>
</div>
<div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
<ul>
<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>
<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><ul>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#quickstart">Quickstart</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#how-iso-creation-works">How ISO creation works</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#kickstarts">Kickstarts</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#anaconda-image-install-no-virt">Anaconda image install (no-virt)</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#ami-images">AMI Images</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#appliance-creation">Appliance Creation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#filesystem-image-creation">Filesystem Image Creation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#tar-file-creation">TAR File Creation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#live-image-for-pxe-boot">Live Image for PXE Boot</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#atomic-live-image-for-pxe-boot">Atomic Live Image for PXE Boot</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#using-mock-to-create-images">Using Mock to Create Images</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#openstack-image-creation">OpenStack Image Creation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#docker-image-creation">Docker Image Creation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#debugging-problems">Debugging problems</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../livemedia-creator.html#hacking">Hacking</a></li>
</ul>
</li>
<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">pylorax</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../pylorax.html">pylorax package</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#submodules">Submodules</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.base">pylorax.base module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.buildstamp">pylorax.buildstamp module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.decorators">pylorax.decorators module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.discinfo">pylorax.discinfo module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.dnfhelper">pylorax.dnfhelper module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.executils">pylorax.executils module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.imgutils">pylorax.imgutils module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.ltmpl">pylorax.ltmpl module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.monitor">pylorax.monitor module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.mount">pylorax.mount module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.output">pylorax.output module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.sysutils">pylorax.sysutils module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.treebuilder">pylorax.treebuilder module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax.treeinfo">pylorax.treeinfo module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../pylorax.html#module-pylorax">Module contents</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
&nbsp;
</nav>
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
<nav class="wy-nav-top" role="navigation" aria-label="top navigation">
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
<a href="../../index.html">Lorax</a>
</nav>
<div class="wy-nav-content">
<div class="rst-content">
<div role="navigation" aria-label="breadcrumbs navigation">
<ul class="wy-breadcrumbs">
<li><a href="../../index.html">Docs</a> &raquo;</li>
<li><a href="../index.html">Module code</a> &raquo;</li>
<li><a href="../pylorax.html">pylorax</a> &raquo;</li>
<li>pylorax.dnfhelper</li>
<li class="wy-breadcrumbs-aside">
</li>
</ul>
<hr/>
</div>
<div role="main" class="document">
<h1>Source code for pylorax.dnfhelper</h1><div class="highlight"><pre>
<span class="c">#</span>
<span class="c"># dnfhelper.py</span>
<span class="c">#</span>
<span class="c"># Copyright (C) 2010-2015 Red Hat, Inc.</span>
<span class="c">#</span>
<span class="c"># This program is free software; you can redistribute it and/or modify</span>
<span class="c"># it under the terms of the GNU General Public License as published by</span>
<span class="c"># the Free Software Foundation; either version 2 of the License, or</span>
<span class="c"># (at your option) any later version.</span>
<span class="c">#</span>
<span class="c"># This program is distributed in the hope that it will be useful,</span>
<span class="c"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="c"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="c"># GNU General Public License for more details.</span>
<span class="c">#</span>
<span class="c"># You should have received a copy of the GNU General Public License</span>
<span class="c"># along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<span class="c">#</span>
<span class="c"># Red Hat Author(s): Martin Gracik &lt;mgracik@redhat.com&gt;</span>
<span class="c"># Brian C. Lane &lt;bcl@redhat.com&gt;</span>
<span class="c">#</span>
<span class="kn">import</span> <span class="nn">logging</span>
<span class="n">logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="s">&quot;pylorax.dnfhelper&quot;</span><span class="p">)</span>
<span class="kn">import</span> <span class="nn">dnf</span>
<span class="kn">import</span> <span class="nn">collections</span>
<span class="kn">import</span> <span class="nn">time</span>
<span class="kn">import</span> <span class="nn">pylorax.output</span> <span class="kn">as</span> <span class="nn">output</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s">&#39;LoraxDownloadCallback&#39;</span><span class="p">,</span> <span class="s">&#39;LoraxRpmCallback&#39;</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">_paced</span><span class="p">(</span><span class="n">fn</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;Execute `fn` no more often then every 2 seconds.&quot;&quot;&quot;</span>
<span class="k">def</span> <span class="nf">paced_fn</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
<span class="n">now</span> <span class="o">=</span> <span class="n">time</span><span class="o">.</span><span class="n">time</span><span class="p">()</span>
<span class="k">if</span> <span class="n">now</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_time</span> <span class="o">&lt;</span> <span class="mi">2</span><span class="p">:</span>
<span class="k">return</span>
<span class="bp">self</span><span class="o">.</span><span class="n">last_time</span> <span class="o">=</span> <span class="n">now</span>
<span class="k">return</span> <span class="n">fn</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span>
<span class="k">return</span> <span class="n">paced_fn</span>
<div class="viewcode-block" id="LoraxDownloadCallback"><a class="viewcode-back" href="../../pylorax.html#pylorax.dnfhelper.LoraxDownloadCallback">[docs]</a><span class="k">class</span> <span class="nc">LoraxDownloadCallback</span><span class="p">(</span><span class="n">dnf</span><span class="o">.</span><span class="n">callback</span><span class="o">.</span><span class="n">DownloadProgress</span><span class="p">):</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="bp">self</span><span class="o">.</span><span class="n">downloads</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">last_time</span> <span class="o">=</span> <span class="n">time</span><span class="o">.</span><span class="n">time</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">total_files</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">total_size</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pkgno</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">total</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">output</span> <span class="o">=</span> <span class="n">output</span><span class="o">.</span><span class="n">LoraxOutput</span><span class="p">()</span>
<span class="nd">@_paced</span>
<span class="k">def</span> <span class="nf">_update</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Downloading </span><span class="si">%(pkgno)s</span><span class="s"> / </span><span class="si">%(total_files)s</span><span class="s"> RPMs, &quot;</span> \
<span class="s">&quot;</span><span class="si">%(downloaded)s</span><span class="s"> / </span><span class="si">%(total_size)s</span><span class="s"> (</span><span class="si">%(percent)d%%</span><span class="s">) done.</span><span class="se">\n</span><span class="s">&quot;</span>
<span class="n">downloaded</span> <span class="o">=</span> <span class="nb">sum</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">downloads</span><span class="o">.</span><span class="n">values</span><span class="p">())</span>
<span class="n">vals</span> <span class="o">=</span> <span class="p">{</span>
<span class="s">&#39;downloaded&#39;</span> <span class="p">:</span> <span class="n">downloaded</span><span class="p">,</span>
<span class="s">&#39;percent&#39;</span> <span class="p">:</span> <span class="nb">int</span><span class="p">(</span><span class="mi">100</span> <span class="o">*</span> <span class="n">downloaded</span><span class="o">/</span><span class="bp">self</span><span class="o">.</span><span class="n">total_size</span><span class="p">),</span>
<span class="s">&#39;pkgno&#39;</span> <span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">pkgno</span><span class="p">,</span>
<span class="s">&#39;total_files&#39;</span> <span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">total_files</span><span class="p">,</span>
<span class="s">&#39;total_size&#39;</span> <span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">total_size</span>
<span class="p">}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">output</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">msg</span> <span class="o">%</span> <span class="n">vals</span><span class="p">)</span>
<div class="viewcode-block" id="LoraxDownloadCallback.end"><a class="viewcode-back" href="../../pylorax.html#pylorax.dnfhelper.LoraxDownloadCallback.end">[docs]</a> <span class="k">def</span> <span class="nf">end</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">payload</span><span class="p">,</span> <span class="n">status</span><span class="p">,</span> <span class="n">err_msg</span><span class="p">):</span>
<span class="n">nevra</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">payload</span><span class="p">)</span>
<span class="k">if</span> <span class="n">status</span> <span class="ow">is</span> <span class="n">dnf</span><span class="o">.</span><span class="n">callback</span><span class="o">.</span><span class="n">STATUS_OK</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">downloads</span><span class="p">[</span><span class="n">nevra</span><span class="p">]</span> <span class="o">=</span> <span class="n">payload</span><span class="o">.</span><span class="n">download_size</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pkgno</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_update</span><span class="p">()</span>
<span class="k">return</span>
<span class="n">logger</span><span class="o">.</span><span class="n">critical</span><span class="p">(</span><span class="s">&quot;Failed to download &#39;</span><span class="si">%s</span><span class="s">&#39;: </span><span class="si">%d</span><span class="s"> - </span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">nevra</span><span class="p">,</span> <span class="n">status</span><span class="p">,</span> <span class="n">err_msg</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="LoraxDownloadCallback.progress"><a class="viewcode-back" href="../../pylorax.html#pylorax.dnfhelper.LoraxDownloadCallback.progress">[docs]</a> <span class="k">def</span> <span class="nf">progress</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">payload</span><span class="p">,</span> <span class="n">done</span><span class="p">):</span>
<span class="n">nevra</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">payload</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">downloads</span><span class="p">[</span><span class="n">nevra</span><span class="p">]</span> <span class="o">=</span> <span class="n">done</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_update</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="LoraxDownloadCallback.start"><a class="viewcode-back" href="../../pylorax.html#pylorax.dnfhelper.LoraxDownloadCallback.start">[docs]</a> <span class="k">def</span> <span class="nf">start</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">total_files</span><span class="p">,</span> <span class="n">total_size</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">total_files</span> <span class="o">=</span> <span class="n">total_files</span>
<span class="bp">self</span><span class="o">.</span><span class="n">total_size</span> <span class="o">=</span> <span class="n">total_size</span>
</div></div>
2015-10-07 18:25:53 +00:00
<div class="viewcode-block" id="LoraxRpmCallback"><a class="viewcode-back" href="../../pylorax.html#pylorax.dnfhelper.LoraxRpmCallback">[docs]</a><span class="k">class</span> <span class="nc">LoraxRpmCallback</span><span class="p">(</span><span class="n">dnf</span><span class="o">.</span><span class="n">callback</span><span class="o">.</span><span class="n">TransactionProgress</span><span class="p">):</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="nb">super</span><span class="p">(</span><span class="n">LoraxRpmCallback</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">__init__</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_last_ts</span> <span class="o">=</span> <span class="bp">None</span>
2015-10-07 18:25:53 +00:00
<div class="viewcode-block" id="LoraxRpmCallback.progress"><a class="viewcode-back" href="../../pylorax.html#pylorax.dnfhelper.LoraxRpmCallback.progress">[docs]</a> <span class="k">def</span> <span class="nf">progress</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">package</span><span class="p">,</span> <span class="n">action</span><span class="p">,</span> <span class="n">ti_done</span><span class="p">,</span> <span class="n">ti_total</span><span class="p">,</span> <span class="n">ts_done</span><span class="p">,</span> <span class="n">ts_total</span><span class="p">):</span>
<span class="k">if</span> <span class="n">action</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">PKG_INSTALL</span><span class="p">:</span>
<span class="c"># do not report same package twice</span>
2015-10-07 18:25:53 +00:00
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_last_ts</span> <span class="o">==</span> <span class="n">ts_done</span><span class="p">:</span>
<span class="k">return</span>
2015-10-07 18:25:53 +00:00
<span class="bp">self</span><span class="o">.</span><span class="n">_last_ts</span> <span class="o">=</span> <span class="n">ts_done</span>
2015-10-07 18:25:53 +00:00
<span class="n">msg</span> <span class="o">=</span> <span class="s">&#39;(</span><span class="si">%d</span><span class="s">/</span><span class="si">%d</span><span class="s">) </span><span class="si">%s</span><span class="s">.</span><span class="si">%s</span><span class="s">&#39;</span> <span class="o">%</span> <span class="p">(</span><span class="n">ts_done</span><span class="p">,</span> <span class="n">ts_total</span><span class="p">,</span> <span class="n">package</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">package</span><span class="o">.</span><span class="n">arch</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">action</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANS_POST</span><span class="p">:</span>
2015-10-07 18:25:53 +00:00
<span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Performing post-installation setup tasks&quot;</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="LoraxRpmCallback.error"><a class="viewcode-back" href="../../pylorax.html#pylorax.dnfhelper.LoraxRpmCallback.error">[docs]</a> <span class="k">def</span> <span class="nf">error</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">err_msg</span><span class="p">):</span>
<span class="n">logger</span><span class="o">.</span><span class="n">warning</span><span class="p">(</span><span class="n">err_msg</span><span class="p">)</span></div></div>
</pre></div>
</div>
<footer>
<hr/>
<div role="contentinfo">
<p>
&copy; Copyright 2015, Red Hat, Inc..
</p>
</div>
Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
</footer>
</div>
</div>
</section>
</div>
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT:'../../',
2015-10-07 18:25:53 +00:00
VERSION:'24.3',
COLLAPSE_INDEX:false,
FILE_SUFFIX:'.html',
HAS_SOURCE: true
};
</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 () {
SphinxRtdTheme.StickyNav.enable();
});
</script>
</body>
</html>