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id="families"> <span id="index-0"></span><span id="id1"></span> <div class="line-block"> <div class="line">Tasks can be logically grouped into <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-family"><em class="xref std std-term">family</em></a>‘s.</div> <div class="line">You can picture a suite as a hierarchical structure very similar to a unix</div> <div class="line">file system, where the families are the directories and the tasks are the files.</div> <div class="line">The suite is a family with some extra attributes (See <a class="reference internal" href="/wiki/display/ECFLOW/Dates+and+Clocks#dates-and-clocks"><em>Dates and Clocks</em></a>).</div> <div class="line">Like directories, families can themselves contain other families.</div> <div class="line">And like directories, different families can contain tasks with similar names</div> </div> <div class="highlight-python"><pre># Definition of the suite test. suite test edit ECF_INCLUDE "$HOME/course" edit ECF_HOME "$HOME/course" family f1 task t1 task t2 endfamily endsuite</pre> </div> <p>If you are using the <a class="reference internal" href="/wiki/display/ECFLOW/ecFlow+Python+Api#python-api"><em>ecFlow Python Api</em></a>:</p> <div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python2.5</span> <span class="kn">import</span> <span class="nn">os</span> <span class="kn">import</span> <span class="nn">ecflow</span> <span class="k">def</span> <span class="nf">create_family_f1</span><span class="p">():</span> <span class="n">f1</span> <span class="o">=</span> <span class="n">ecflow</span><span class="o">.</span><span class="n">Family</span><span class="p">(</span><span class="s">"f1"</span><span class="p">)</span> <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">"t1"</span><span class="p">)</span> <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">"t2"</span><span class="p">)</span> <span class="k">return</span> <span class="n">f1</span> <span class="n">defs</span> <span class="o">=</span> <span class="n">ecflow</span><span class="o">.</span><span class="n">Defs</span><span class="p">(</span><span class="s">"test.def"</span><span class="p">)</span> <span class="n">suite</span> <span class="o">=</span> <span class="n">defs</span><span class="o">.</span><span class="n">add_suite</span><span class="p">(</span><span class="s">"test"</span><span class="p">)</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">"ECF_INCLUDE"</span><span class="p">,</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s">"HOME"</span><span class="p">)</span> <span class="o">+</span> <span class="s">"/course"</span><span class="p">)</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">"ECF_HOME "</span><span class="p">,</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s">"HOME"</span><span class="p">)</span> <span class="o">+</span> <span class="s">"/course"</span><span class="p">)</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_family</span><span class="p">(</span> <span class="n">create_family_f1</span><span class="p">()</span> <span class="p">)</span> </pre></div> </div> <div class="line-block"> <div class="line">Unless you tell ecFlow where to find specific files, the default behaviour</div> <div class="line">is to expect the file structure to reflect the structure of the suite.</div> <div class="line">In this case you will have to create a directory <tt class="file docutils literal"><span class="pre">$HOME/course/test/f1</span></tt>,</div> <div class="line">and move <tt class="file docutils literal"><span class="pre">t1.ecf</span></tt> and <tt class="file docutils literal"><span class="pre">t2.ecf</span></tt> into it.</div> <div class="line">Conversely, the ecFlow jobs and the outputs will be created in this directory.</div> </div> <div class="line-block"> <div class="line">Because we have moved the scripts in another directory, ecFlow will not find</div> <div class="line">the two included file <a class="reference internal" href="/wiki/display/ECFLOW/Getting+Started#head-h"><em>head.h</em></a> and <a class="reference internal" href="/wiki/display/ECFLOW/Getting+Started#tail-h"><em>tail.h</em></a> one directory up from</div> <div class="line">the scripts.</div> </div> <div class="line-block"> <div class="line">We could modify the scripts to search the include file two directories up,</div> <div class="line">but this would be very cumbersome.</div> <div class="line">The solution is to define a special ecFlow <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-variable"><em class="xref std std-term">variable</em></a> called ECF_INCLUDE</div> <div class="line">that points to the directory containing the include files.</div> <div class="line">We need to do the following changes to the <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-ecf-script"><em class="xref std std-term">ecf script</em></a>‘s.</div> </div> <p>from:</p> <div class="highlight-python"><pre>%include "../head.h" echo "I am part of a suite that lives in %ECF_HOME%" %include "../tail.h"</pre> </div> <p>to:</p> <div class="highlight-python"><pre>%include <head.h> echo "I am part of a suite that lives in %ECF_HOME%" %include <tail.h></pre> </div> <div class="line-block"> <div class="line"><a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-suite"><em class="xref std std-term">suite</em></a>‘s, <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-family"><em class="xref std std-term">family</em></a>‘s and <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-task"><em class="xref std std-term">task</em></a>‘s are called <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-node"><em class="xref std std-term">node</em></a>‘s.</div> <div class="line">Because of this analogy with the unix file system, nodes can be addressed</div> <div class="line">using full names: <strong>/test/f1/t1</strong> refers to the <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-task"><em class="xref std std-term">task</em></a> <strong>t1</strong>, and</div> <div class="line"><strong>/test/f1</strong> refers to the <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-family"><em class="xref std std-term">family</em></a> <strong>f1</strong>.</div> <div class="line">In some contexts, ecFlow will accept relative names, such as <strong>../t1</strong>.</div> </div> <p>The hierarchy is shown as a tree in <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-ecflowview"><em class="xref std std-term">ecFlowview</em></a>.</p> <p>What to do:</p> <ol class="arabic simple"> <li>Write the suite definition</li> <li>Create the directories needed, move the <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-ecf-script"><em class="xref std std-term">ecf script</em></a>‘s</li> <li>Edit the script to include <a class="reference internal" href="/wiki/display/ECFLOW/Getting+Started#head-h"><em>head.h</em></a> and <a class="reference internal" href="/wiki/display/ECFLOW/Getting+Started#tail-h"><em>tail.h</em></a> from the ECF_INCLUDE directory.</li> <li>Load and begin the suite again</li> <li>View the suite in <a class="reference internal" href="../..wiki/..display/glossaryECFLOW/#termGlossary#term-ecflowview"><em class="xref std std-term">ecFlowview</em></a>, notice the tree structure. You may have to unfold <strong>test</strong> and <strong>f1</strong> to see the tasks, using the middle mouse button.</li> </ol> </div> |
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