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Bug #1675967: re patterns pickled with older Python versions can

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now be unpickled. Will backport.
This commit is contained in:
Žiga Seilnacht 2007-03-21 20:07:56 +00:00
parent 3ff9e55890
commit 7492e4260e
3 changed files with 13 additions and 1 deletions
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8
Lib/test/test_re.py
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@ -1,7 +1,7 @@
import sys
sys.path = ['.'] + sys.path
from test.test_support import verbose, run_unittest
from test.test_support import verbose, run_unittest, guard_warnings_filter
import re
from re import Scanner
import sys, os, traceback
@ -414,6 +414,12 @@ class ReTests(unittest.TestCase):
self.pickle_test(pickle)
import cPickle
self.pickle_test(cPickle)
# old pickles expect the _compile() reconstructor in sre module
import warnings
with guard_warnings_filter():
warnings.filterwarnings("ignore", "The sre module is deprecated",
DeprecationWarning)
from sre import _compile
def pickle_test(self, pickle):
oldpat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)')