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        <h1>Coverage for <b>cogapp/whiteutils</b> :
            <span class='pc_cov'>92%</span>
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<p id='t1' class='pln'><span class='str'>&quot;&quot;&quot; Indentation utilities for Cog.</span><span class='strut'>&nbsp;</span></p>
<p id='t2' class='pln'><span class='str'>&nbsp; &nbsp; http://nedbatchelder.com/code/cog</span><span class='strut'>&nbsp;</span></p>
<p id='t3' class='pln'><span class='str'>&nbsp; &nbsp; </span><span class='strut'>&nbsp;</span></p>
<p id='t4' class='pln'><span class='str'>&nbsp; &nbsp; Copyright 2004-2012, Ned Batchelder.</span><span class='strut'>&nbsp;</span></p>
<p id='t5' class='pln'><span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t6' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t7' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>__future__</span> <span class='key'>import</span> <span class='nam'>absolute_import</span><span class='strut'>&nbsp;</span></p>
<p id='t8' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>re</span><span class='strut'>&nbsp;</span></p>
<p id='t9' class='stm run hide_run'><span class='key'>from</span> <span class='op'>.</span><span class='nam'>backward</span> <span class='key'>import</span> <span class='nam'>string_types</span><span class='op'>,</span> <span class='nam'>bytes_types</span><span class='op'>,</span> <span class='nam'>to_bytes</span><span class='op'>,</span> <span class='nam'>text_types</span><span class='op'>,</span> <span class='nam'>b</span><span class='strut'>&nbsp;</span></p>
<p id='t10' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t11' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>whitePrefix</span><span class='op'>(</span><span class='nam'>strings</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t12' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot; Determine the whitespace prefix common to all non-blank lines</span><span class='strut'>&nbsp;</span></p>
<p id='t13' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; in the argument list.</span><span class='strut'>&nbsp;</span></p>
<p id='t14' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t15' class='pln'>&nbsp; &nbsp; <span class='com'># Remove all blank lines from the list</span><span class='strut'>&nbsp;</span></p>
<p id='t16' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>strings</span> <span class='op'>=</span> <span class='op'>[</span><span class='nam'>s</span> <span class='key'>for</span> <span class='nam'>s</span> <span class='key'>in</span> <span class='nam'>strings</span> <span class='key'>if</span> <span class='nam'>s</span><span class='op'>.</span><span class='nam'>strip</span><span class='op'>(</span><span class='op'>)</span> <span class='op'>!=</span> <span class='str'>&#39;&#39;</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t17' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t18' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>strings</span><span class='op'>:</span> <span class='key'>return</span> <span class='str'>&#39;&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t19' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t20' class='pln'>&nbsp; &nbsp; <span class='com'># Find initial whitespace chunk in the first line.</span><span class='strut'>&nbsp;</span></p>
<p id='t21' class='pln'>&nbsp; &nbsp; <span class='com'># This is the best prefix we can hope for.</span><span class='strut'>&nbsp;</span></p>
<p id='t22' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>pat</span> <span class='op'>=</span> <span class='str'>r&#39;\s*&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t23' class='stm par run hide_run'><span class='annotate' title='no jump to this line number'>25</span>&nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>strings</span><span class='op'>[</span><span class='num'>0</span><span class='op'>]</span><span class='op'>,</span> <span class='nam'>bytes_types</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t24' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>pat</span> <span class='op'>=</span> <span class='nam'>to_bytes</span><span class='op'>(</span><span class='nam'>pat</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t25' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>prefix</span> <span class='op'>=</span> <span class='nam'>re</span><span class='op'>.</span><span class='nam'>match</span><span class='op'>(</span><span class='nam'>pat</span><span class='op'>,</span> <span class='nam'>strings</span><span class='op'>[</span><span class='num'>0</span><span class='op'>]</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>group</span><span class='op'>(</span><span class='num'>0</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t26' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t27' class='pln'>&nbsp; &nbsp; <span class='com'># Loop over the other strings, keeping only as much of</span><span class='strut'>&nbsp;</span></p>
<p id='t28' class='pln'>&nbsp; &nbsp; <span class='com'># the prefix as matches each string.</span><span class='strut'>&nbsp;</span></p>
<p id='t29' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>s</span> <span class='key'>in</span> <span class='nam'>strings</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t30' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>i</span> <span class='key'>in</span> <span class='nam'>range</span><span class='op'>(</span><span class='nam'>len</span><span class='op'>(</span><span class='nam'>prefix</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t31' class='stm par run hide_run'><span class='annotate' title='no jump to this line number'>32</span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>prefix</span><span class='op'>[</span><span class='nam'>i</span><span class='op'>]</span> <span class='op'>!=</span> <span class='nam'>s</span><span class='op'>[</span><span class='nam'>i</span><span class='op'>]</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t32' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>prefix</span> <span class='op'>=</span> <span class='nam'>prefix</span><span class='op'>[</span><span class='op'>:</span><span class='nam'>i</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t33' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>break</span><span class='strut'>&nbsp;</span></p>
<p id='t34' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>prefix</span><span class='strut'>&nbsp;</span></p>
<p id='t35' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t36' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>reindentBlock</span><span class='op'>(</span><span class='nam'>lines</span><span class='op'>,</span> <span class='nam'>newIndent</span><span class='op'>=</span><span class='str'>&#39;&#39;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t37' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot; Take a block of text as a string or list of lines.</span><span class='strut'>&nbsp;</span></p>
<p id='t38' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Remove any common whitespace indentation.</span><span class='strut'>&nbsp;</span></p>
<p id='t39' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Re-indent using newIndent, and return it as a single string.</span><span class='strut'>&nbsp;</span></p>
<p id='t40' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t41' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>sep</span><span class='op'>,</span> <span class='nam'>nothing</span> <span class='op'>=</span> <span class='str'>&#39;\n&#39;</span><span class='op'>,</span> <span class='str'>&#39;&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t42' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>lines</span><span class='op'>,</span> <span class='nam'>bytes_types</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t43' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>sep</span><span class='op'>,</span> <span class='nam'>nothing</span> <span class='op'>=</span> <span class='nam'>b</span><span class='op'>(</span><span class='str'>&#39;\n&#39;</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>b</span><span class='op'>(</span><span class='str'>&#39;&#39;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t44' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>lines</span><span class='op'>,</span> <span class='nam'>string_types</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t45' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>lines</span> <span class='op'>=</span> <span class='nam'>lines</span><span class='op'>.</span><span class='nam'>split</span><span class='op'>(</span><span class='nam'>sep</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t46' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>oldIndent</span> <span class='op'>=</span> <span class='nam'>whitePrefix</span><span class='op'>(</span><span class='nam'>lines</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t47' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>outLines</span> <span class='op'>=</span> <span class='op'>[</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t48' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>l</span> <span class='key'>in</span> <span class='nam'>lines</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t49' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>oldIndent</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t50' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>l</span> <span class='op'>=</span> <span class='nam'>l</span><span class='op'>.</span><span class='nam'>replace</span><span class='op'>(</span><span class='nam'>oldIndent</span><span class='op'>,</span> <span class='nam'>nothing</span><span class='op'>,</span> <span class='num'>1</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t51' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>l</span> <span class='key'>and</span> <span class='nam'>newIndent</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t52' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>l</span> <span class='op'>=</span> <span class='nam'>newIndent</span> <span class='op'>+</span> <span class='nam'>l</span><span class='strut'>&nbsp;</span></p>
<p id='t53' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>outLines</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>l</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t54' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>sep</span><span class='op'>.</span><span class='nam'>join</span><span class='op'>(</span><span class='nam'>outLines</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t55' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t56' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>commonPrefix</span><span class='op'>(</span><span class='nam'>strings</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t57' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot; Find the longest string that is a prefix of all the strings.</span><span class='strut'>&nbsp;</span></p>
<p id='t58' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t59' class='stm par run hide_run'><span class='annotate' title='no jump to this line number'>60</span>&nbsp; &nbsp; <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>strings</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t60' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='str'>&#39;&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t61' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>prefix</span> <span class='op'>=</span> <span class='nam'>strings</span><span class='op'>[</span><span class='num'>0</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t62' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>s</span> <span class='key'>in</span> <span class='nam'>strings</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t63' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>s</span><span class='op'>)</span> <span class='op'>&lt;</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>prefix</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t64' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>prefix</span> <span class='op'>=</span> <span class='nam'>prefix</span><span class='op'>[</span><span class='op'>:</span><span class='nam'>len</span><span class='op'>(</span><span class='nam'>s</span><span class='op'>)</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t65' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>prefix</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t66' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='str'>&#39;&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t67' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>i</span> <span class='key'>in</span> <span class='nam'>range</span><span class='op'>(</span><span class='nam'>len</span><span class='op'>(</span><span class='nam'>prefix</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t68' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>prefix</span><span class='op'>[</span><span class='nam'>i</span><span class='op'>]</span> <span class='op'>!=</span> <span class='nam'>s</span><span class='op'>[</span><span class='nam'>i</span><span class='op'>]</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t69' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>prefix</span> <span class='op'>=</span> <span class='nam'>prefix</span><span class='op'>[</span><span class='op'>:</span><span class='nam'>i</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t70' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>break</span><span class='strut'>&nbsp;</span></p>
<p id='t71' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>prefix</span><span class='strut'>&nbsp;</span></p>
                
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