<pre class="python"><span style="color: #008000;">#!/usr/bin/python
</span>
<span style="color: #c00000;">import</span> <span style="color: #000000;">sys</span><span style="color: #0000c0;">,</span> <span style="color: #000000;">re</span>

<span style="color: #000000;">iE</span> <span style="color: #0000c0;">=</span> <span style="color: #004080;">'    '</span>
<span style="color: #000000;">pStart</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">compile</span><span style="color: #0000c0;">(</span><span style="color: #004080;">'<[a-z]+'</span><span style="color: #0000c0;">,</span><span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">IGNORECASE</span><span style="color: #0000c0;">)</span>
<span style="color: #000000;">pEnd</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">compile</span><span style="color: #0000c0;">(</span><span style="color: #004080;">'(/>)|(</[a-z]+)'</span><span style="color: #0000c0;">,</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">IGNORECASE</span><span style="color: #0000c0;">)</span>
<span style="color: #000000;">pEndStartLine</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">compile</span><span style="color: #0000c0;">(</span><span style="color: #004080;">'^\s*</[a-z]+'</span><span style="color: #0000c0;">,</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">IGNORECASE</span><span style="color: #0000c0;">)</span>

<span style="color: #c00000;">def</span> <span style="color: #000000;">xmlIndent</span><span style="color: #0000c0;">(</span><span style="color: #000000;">fileName</span><span style="color: #0000c0;">)</span><span style="color: #0000c0;">:</span>
<span style="color: #000000;">file</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">open</span><span style="color: #0000c0;">(</span><span style="color: #000000;">fileName</span><span style="color: #0000c0;">,</span> <span style="color: #004080;">'r'</span><span style="color: #0000c0;">)</span>
<span style="color: #000000;">out</span> <span style="color: #0000c0;">=</span> <span style="color: #004080;">''</span>
<span style="color: #000000;">iCount</span> <span style="color: #0000c0;">=</span> <span style="color: #0080c0;">0</span>
<span style="color: #c00000;">while</span> <span style="color: #0080c0;">1</span><span style="color: #0000c0;">:</span>
<span style="color: #000000;">line</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">file</span><span style="color: #0000c0;">.</span><span style="color: #000000;">readline</span><span style="color: #0000c0;">(</span><span style="color: #0000c0;">)</span>
<span style="color: #c00000;">if</span> <span style="color: #c00000;">not</span> <span style="color: #000000;">line</span><span style="color: #0000c0;">:</span> <span style="color: #c00000;">break</span>
<span style="color: #000000;">iEndAtStart</span> <span style="color: #0000c0;">=</span> <span style="color: #0080c0;">0</span>
<span style="color: #000000;">line</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">line</span><span style="color: #0000c0;">.</span><span style="color: #000000;">lstrip</span><span style="color: #0000c0;">(</span><span style="color: #0000c0;">)</span>
<span style="color: #c00000;">if</span> <span style="color: #000000;">len</span><span style="color: #0000c0;">(</span><span style="color: #000000;">line</span><span style="color: #0000c0;">)</span> <span style="color: #0000c0;">></span> <span style="color: #0080c0;">0</span><span style="color: #0000c0;">:</span>
<span style="color: #c00000;">if</span> <span style="color: #000000;">pEndStartLine</span><span style="color: #0000c0;">.</span><span style="color: #000000;">match</span><span style="color: #0000c0;">(</span><span style="color: #000000;">line</span><span style="color: #0000c0;">)</span><span style="color: #0000c0;">:</span>
<span style="color: #000000;">iCount</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">iCount</span> <span style="color: #0000c0;">-</span> <span style="color: #0080c0;">1</span>
<span style="color: #000000;">iEndAtStart</span> <span style="color: #0000c0;">=</span> <span style="color: #0080c0;">1</span>
<span style="color: #000000;">line</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">mkIndent</span><span style="color: #0000c0;">(</span><span style="color: #000000;">iCount</span><span style="color: #0000c0;">)</span> <span style="color: #0000c0;">+</span> <span style="color: #000000;">line</span>
<span style="color: #000000;">iCount</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">iCount</span> <span style="color: #0000c0;">+</span> <span style="color: #000000;">len</span><span style="color: #0000c0;">(</span><span style="color: #000000;">pStart</span><span style="color: #0000c0;">.</span><span style="color: #000000;">findall</span><span style="color: #0000c0;">(</span><span style="color: #000000;">line</span><span style="color: #0000c0;">)</span><span style="color: #0000c0;">)</span> <span style="color: #0000c0;">-</span> <span style="color: #000000;">len</span><span style="color: #0000c0;">(</span><span style="color: #000000;">pEnd</span><span style="color: #0000c0;">.</span><span style="color: #000000;">findall</span><span style="color: #0000c0;">(</span><span style="color: #000000;">line</span><span style="color: #0000c0;">)</span><span style="color: #0000c0;">)</span> <span style="color: #0000c0;">+</span> <span style="color: #000000;">iEndAtStart</span>
<span style="color: #008000;">#print iCount, '|%s|' % line
</span>        <span style="color: #000000;">out</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">out</span> <span style="color: #0000c0;">+</span> <span style="color: #000000;">line</span>
<span style="color: #000000;">file</span><span style="color: #0000c0;">.</span><span style="color: #000000;">close</span><span style="color: #0000c0;">(</span><span style="color: #0000c0;">)</span>
<span style="color: #000000;">file</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">open</span><span style="color: #0000c0;">(</span><span style="color: #000000;">fileName</span><span style="color: #0000c0;">,</span> <span style="color: #004080;">'w'</span><span style="color: #0000c0;">)</span>
<span style="color: #000000;">file</span><span style="color: #0000c0;">.</span><span style="color: #000000;">write</span><span style="color: #0000c0;">(</span><span style="color: #000000;">out</span><span style="color: #0000c0;">)</span>
<span style="color: #000000;">file</span><span style="color: #0000c0;">.</span><span style="color: #000000;">close</span><span style="color: #0000c0;">(</span><span style="color: #0000c0;">)</span>

<span style="color: #c00000;">def</span> <span style="color: #000000;">mkIndent</span><span style="color: #0000c0;">(</span><span style="color: #000000;">cnt</span><span style="color: #0000c0;">)</span><span style="color: #0000c0;">:</span>
<span style="color: #000000;">out</span> <span style="color: #0000c0;">=</span> <span style="color: #004080;">''</span>
<span style="color: #c00000;">for</span> <span style="color: #000000;">t</span> <span style="color: #c00000;">in</span> <span style="color: #000000;">range</span><span style="color: #0000c0;">(</span><span style="color: #0080c0;">0</span><span style="color: #0000c0;">,</span> <span style="color: #000000;">cnt</span><span style="color: #0000c0;">)</span><span style="color: #0000c0;">:</span>
<span style="color: #000000;">out</span> <span style="color: #0000c0;">+=</span> <span style="color: #000000;">iE</span>
<span style="color: #c00000;">return</span> <span style="color: #000000;">out</span>

<span style="color: #c00000;">if</span> <span style="color: #000000;">__name__</span><span style="color: #0000c0;">==</span><span style="color: #004080;">'__main__'</span><span style="color: #0000c0;">:</span>
<span style="color: #000000;">xmlIndent</span><span style="color: #0000c0;">(</span><span style="color: #000000;">sys</span><span style="color: #0000c0;">.</span><span style="color: #000000;">argv</span><span style="color: #0000c0;">[</span><span style="color: #0080c0;">1</span><span style="color: #0000c0;">]</span><span style="color: #0000c0;">)</span>