From 34ce774acdec54398940a0f8df88fb1b1751c68d Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Fri, 21 Nov 2014 09:39:49 +0100
Subject: [PATCH] Patch for an Issue #956

---
 lib/request/comparison.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/request/comparison.py b/lib/request/comparison.py
index 0966c3695..0be79635e 100644
--- a/lib/request/comparison.py
+++ b/lib/request/comparison.py
@@ -132,8 +132,15 @@ def _comparison(page, headers, code, getRatioValue, pageLength):
             seq1 = seq1[count:]
             seq2 = seq2[count:]
 
-        seqMatcher.set_seq1(seq1)
-        seqMatcher.set_seq2(seq2)
+        while True:
+            try:
+                seqMatcher.set_seq1(seq1)
+                seqMatcher.set_seq2(seq2)
+            except MemoryError:
+                seq1 = seq1[:len(seq1) / 4]
+                seq2 = seq2[:len(seq2) / 4]
+            else:
+                break
 
         ratio = round(seqMatcher.quick_ratio(), 3)