[Python-checkins] cpython (2.7): Issue #19327: Fixed the working of regular expressions with too big charset.

[serhiy.storchaka]

http://hg.python.org/cpython/rev/d2bb0da45c93
changeset:   86599:d2bb0da45c93
branch:      2.7
parent:      86595:5fda64d39540
user:        Serhiy Storchaka <storchaka at gmail.com>
date:        Thu Oct 24 22:02:42 2013 +0300
summary:
  Issue #19327: Fixed the working of regular expressions with too big charset.

files:
  Lib/sre_compile.py  |  2 +-
  Lib/test/test_re.py |  2 ++
  Misc/NEWS           |  2 ++
  3 files changed, 5 insertions(+), 1 deletions(-)


diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -343,7 +343,7 @@
     else:
         code = 'I'
     # Convert block indices to byte array of 256 bytes
-    mapping = array.array('b', mapping).tostring()
+    mapping = array.array('B', mapping).tostring()
     # Convert byte array to word array
     mapping = array.array(code, mapping)
     assert mapping.itemsize == _sre.CODESIZE
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -427,6 +427,8 @@
                                   u"\u2222").group(1), u"\u2222")
         self.assertEqual(re.match(u"([\u2222\u2223])",
                                   u"\u2222", re.UNICODE).group(1), u"\u2222")
+        r = u'[%s]' % u''.join(map(unichr, range(256, 2**16, 255)))
+        self.assertEqual(re.match(r, u"\uff01", re.UNICODE).group(), u"\uff01")
 
     def test_big_codesize(self):
         # Issue #1160
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -40,6 +40,8 @@
 Library
 -------
 
+- Issue #19327: Fixed the working of regular expressions with too big charset.
+
 - Issue #19350: Increasing the test coverage of macurl2path. Patch by Colin
   Williams.
 

-- 
Repository URL: http://hg.python.org/cpython