Issue #18050: Fixed an incompatibility of the re module with Python 2.7.3
and older binaries.
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index 15d2324..97c1663 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -13,7 +13,6 @@
import _sre, sys
import sre_parse
from sre_constants import *
-from _sre import MAXREPEAT
assert _sre.MAGIC == MAGIC, "SRE module mismatch"
diff --git a/Lib/sre_constants.py b/Lib/sre_constants.py
index b0175e7..69224e2 100644
--- a/Lib/sre_constants.py
+++ b/Lib/sre_constants.py
@@ -15,7 +15,11 @@
MAGIC = 20031017
-from _sre import MAXREPEAT
+try:
+ from _sre import MAXREPEAT
+except ImportError:
+ import _sre
+ MAXREPEAT = _sre.MAXREPEAT = 65535
# SRE standard exception (access as sre.error)
# should this really be here?
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index e8d35a6..e37e2cf 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -15,7 +15,6 @@
import sys
from sre_constants import *
-from _sre import MAXREPEAT
SPECIAL_CHARS = ".\\[{()*+?^$|"
REPEAT_CHARS = "*+?{"
diff --git a/Misc/NEWS b/Misc/NEWS
index 3c44f00..61832f8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -32,6 +32,9 @@
Library
-------
+- Issue #18050: Fixed an incompatibility of the re module with Python 2.7.3
+ and older binaries.
+
- Issue #19037: The mailbox module now makes all changes to maildir files
before moving them into place, to avoid race conditions with other programs
that may be accessing the maildir directory.