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diff -u bzrlib/lazy_regex.py bzrlib/lazy_regex.py
--- bzrlib/lazy_regex.py 2017-01-15 20:36:48 +0000
+++ bzrlib/lazy_regex.py 2017-01-30 09:08:25 +0000
@@ -1,4 +1,4 @@
-# Copyright (C) 2006 Canonical Ltd
+# Copyright (C) 2006, 2008-2011, 2017 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -133,0 +134,10 @@
+
+
+# Some libraries calls re.finditer which fails it if receives a LazyRegex.
+if getattr(re, 'finditer', False):
+ def finditer_public(pattern, string, flags=0):
+ if isinstance(pattern, LazyRegex):
+ return pattern.finditer(string)
+ else:
+ return _real_re_compile(pattern, flags).finditer(string)
+ re.finditer = finditer_public
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