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<a href="lxml-module.html">Package lxml</a> ::
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Class InsensitiveSequenceMatcher
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<h1 class="epydoc">Class InsensitiveSequenceMatcher</h1><p class="nomargin-top"><span class="codelink"><a href="lxml.html.diff-pysrc.html#InsensitiveSequenceMatcher">source code</a></span></p>
<pre class="base-tree">
difflib.SequenceMatcher --+
|
<strong class="uidshort">InsensitiveSequenceMatcher</strong>
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<hr />
Acts like SequenceMatcher, but tries not to find very small equal
blocks amidst large spans of changes
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<td><span class="summary-sig"><a href="lxml.html.diff.InsensitiveSequenceMatcher-class.html#get_matching_blocks" class="summary-sig-name">get_matching_blocks</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return list of triples describing matching subsequences.</td>
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<span class="codelink"><a href="lxml.html.diff-pysrc.html#InsensitiveSequenceMatcher.get_matching_blocks">source code</a></span>
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<p class="indent-wrapped-lines"><b>Inherited from <code>difflib.SequenceMatcher</code></b>:
<code>__init__</code>,
<code>find_longest_match</code>,
<code>get_grouped_opcodes</code>,
<code>get_opcodes</code>,
<code>quick_ratio</code>,
<code>ratio</code>,
<code>real_quick_ratio</code>,
<code>set_seq1</code>,
<code>set_seq2</code>,
<code>set_seqs</code>
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<a name="threshold"></a><span class="summary-name">threshold</span> = <code title="2">2</code>
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<span class="summary-type"> </span>
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<a name="__qualname__"></a><span class="summary-name">__qualname__</span> = <code title="'InsensitiveSequenceMatcher'"><code class="variable-quote">'</code><code class="variable-string">InsensitiveSequenceMatcher</code><code class="variable-quote">'</code></code>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">get_matching_blocks</span>(<span class="sig-arg">self</span>)</span>
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<p>Return list of triples describing matching subsequences.</p>
<p>Each triple is of the form (i, j, n), and means that
a[i:i+n] == b[j:j+n]. The triples are monotonically increasing in
i and in j. New in Python 2.5, it's also guaranteed that if
(i, j, n) and (i', j', n') are adjacent triples in the list, and
the second is not the last triple in the list, then i+n != i' or
j+n != j'. IOW, adjacent triples never describe adjacent equal
blocks.</p>
<p>The last triple is a dummy, (len(a), len(b), 0), and is the only
triple with n==0.</p>
<pre class="py-doctest">
<span class="py-prompt">>>> </span>s = SequenceMatcher(None, <span class="py-string">"abxcd"</span>, <span class="py-string">"abcd"</span>)
<span class="py-prompt">>>> </span>s.get_matching_blocks()
<span class="py-output">[Match(a=0, b=0, size=2), Match(a=3, b=2, size=2), Match(a=5, b=4, size=0)]</span></pre>
<dl class="fields">
<dt>Overrides:
difflib.SequenceMatcher.get_matching_blocks
<dd><em class="note">(inherited documentation)</em></dd>
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