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<h1>Source code for UioFiles</h1><div class="highlight"><pre>
<span></span><span class="ch">#!/usr/bin/env python</span>
<span class="c1"># -*- coding: utf-8 -*-</span>
<span class="c1">#*******************************************************************************</span>
<span class="c1"># @Author: Anne Fouilloux (University of Oslo)</span>
<span class="c1">#</span>
<span class="c1"># @Date: October 2014</span>
<span class="c1">#</span>
<span class="c1"># @Change History:</span>
<span class="c1">#</span>
<span class="c1"># November 2015 - Leopold Haimberger (University of Vienna):</span>
<span class="c1"># - modified method list_files to work with glob instead of listdir</span>
<span class="c1"># - added pattern search in method list_files</span>
<span class="c1">#</span>
<span class="c1"># February 2018 - Anne Philipp (University of Vienna):</span>
<span class="c1"># - applied PEP8 style guide</span>
<span class="c1"># - added documentation</span>
<span class="c1"># - optimisation of method list_files since it didn't work correctly</span>
<span class="c1"># for sub directories</span>
<span class="c1"># - additional speed up of method list_files</span>
<span class="c1"># - modified the class so that it is initiated with a pattern instead</span>
<span class="c1"># of suffixes. Gives more precision in selection of files.</span>
<span class="c1">#</span>
<span class="c1"># @License:</span>
<span class="c1"># (C) Copyright 2014-2018.</span>
<span class="c1">#</span>
<span class="c1"># This software is licensed under the terms of the Apache Licence Version 2.0</span>
<span class="c1"># which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.</span>
<span class="c1">#</span>
<span class="c1"># @Class Decription:</span>
<span class="c1"># The class is for file manipulation. It is initiated with a regular</span>
<span class="c1"># expression pattern for this instance and can produce a list of Files</span>
<span class="c1"># from the given file pattern. These files can be deleted.</span>
<span class="c1">#</span>
<span class="c1"># @Class Content:</span>
<span class="c1"># - __init__</span>
<span class="c1"># - __str__</span>
<span class="c1"># - __list_files__</span>
<span class="c1"># - delete_files</span>
<span class="c1">#</span>
<span class="c1"># @Class Attributes:</span>
<span class="c1"># - pattern</span>
<span class="c1"># - files</span>
<span class="c1">#</span>
<span class="c1">#*******************************************************************************</span>
<span class="c1"># ------------------------------------------------------------------------------</span>
<span class="c1"># MODULES</span>
<span class="c1"># ------------------------------------------------------------------------------</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">fnmatch</span>
<span class="c1"># software specific module from flex_extract</span>
<span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'../'</span><span class="p">)</span>
<span class="c1">#import profiling</span>
<span class="kn">from</span> <span class="nn">mods.tools</span> <span class="k">import</span> <span class="n">silent_remove</span><span class="p">,</span> <span class="n">get_list_as_string</span>
<span class="c1"># ------------------------------------------------------------------------------</span>
<span class="c1"># CLASS</span>
<span class="c1"># ------------------------------------------------------------------------------</span>
<div class="viewcode-block" id="UioFiles"><a class="viewcode-back" href="../api.html#UioFiles.UioFiles">[docs]</a><span class="k">class</span> <span class="nc">UioFiles</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="sd">'''Class to manipulate files. At initialisation it has the pattern</span>
<span class="sd"> which stores a regular expression pattern for the files, the path</span>
<span class="sd"> to the files and the files already.</span>
<span class="sd"> '''</span>
<span class="c1"># --------------------------------------------------------------------------</span>
<span class="c1"># CLASS FUNCTIONS</span>
<span class="c1"># --------------------------------------------------------------------------</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">path</span><span class="p">,</span> <span class="n">pattern</span><span class="p">):</span>
<span class="sd">'''Assignes a specific pattern for these files.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> path : :obj:`string`</span>
<span class="sd"> Directory where to list the files.</span>
<span class="sd"> pattern : :obj:`string`</span>
<span class="sd"> Regular expression pattern. For example: '\*.grb'</span>
<span class="sd"> Return</span>
<span class="sd"> ------</span>
<span class="sd"> '''</span>
<span class="bp">self</span><span class="o">.</span><span class="n">path</span> <span class="o">=</span> <span class="n">path</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pattern</span> <span class="o">=</span> <span class="n">pattern</span>
<span class="bp">self</span><span class="o">.</span><span class="n">files</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__list_files__</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">path</span><span class="p">)</span>
<span class="k">return</span>
<span class="c1">#@profiling.timefn</span>
<span class="k">def</span> <span class="nf">__list_files__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="sd">'''Lists all files in the directory with the matching</span>
<span class="sd"> regular expression pattern.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> path : :obj:`string`</span>
<span class="sd"> Path to the files.</span>
<span class="sd"> Return</span>
<span class="sd"> ------</span>
<span class="sd"> '''</span>
<span class="c1"># Get the absolute path</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">abspath</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="c1"># get all files in the dir and subdir as absolut path</span>
<span class="k">for</span> <span class="n">root</span><span class="p">,</span> <span class="n">dirnames</span><span class="p">,</span> <span class="n">filenames</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">path</span><span class="p">):</span>
<span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">fnmatch</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">filenames</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pattern</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">files</span><span class="o">.</span><span class="n">append</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">root</span><span class="p">,</span> <span class="n">filename</span><span class="p">))</span>
<span class="k">return</span>
<span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">'''Converts the list of files into a single string.</span>
<span class="sd"> The entries are sepereated by "," sign.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> Return</span>
<span class="sd"> ------</span>
<span class="sd"> files_string : :obj:`string`</span><span class="sd"> The content of the list as a single string.</span>
<span class="sd"> '''</span>
<span class="n">filenames</span> <span class="o">=</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">f</span><span class="p">)</span> <span class="k">for</span> <span class="n">f</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="n">files_string</span> <span class="o">=</span> <span class="n">get_list_as_string</span><span class="p">(</span><span class="n">filenames</span><span class="p">,</span> <span class="n">concatenate_sign</span><span class="o">=</span><span class="s1">', '</span><span class="p">)</span>
<span class="k">return</span> <span class="n">files_string</span>
<div class="viewcode-block" id="UioFiles.delete_files"><a class="viewcode-back" href="../api.html#UioFiles.UioFiles.delete_files">[docs]</a> <span class="k">def</span> <span class="nf">delete_files</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">'''Deletes the files.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> Return</span>
<span class="sd"> ------</span>
<span class="sd"> '''</span>
<span class="k">for</span> <span class="n">old_file</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="n">silent_remove</span><span class="p">(</span><span class="n">old_file</span><span class="p">)</span>
<span class="k">return</span></div></div>
</pre></div>
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