Merged revisions 67320 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r67320 | benjamin.peterson | 2008-11-21 16:27:24 -0600 (Fri, 21 Nov 2008) | 4 lines
don't segfault when \N escapes are used and unicodedata fails to load
Fixes #4367
........
diff --git a/Lib/test/test_unicodedata.py b/Lib/test/test_unicodedata.py
index b24e8f7..84999e5 100644
--- a/Lib/test/test_unicodedata.py
+++ b/Lib/test/test_unicodedata.py
@@ -4,9 +4,13 @@
(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
-"""#"
-import unittest, test.test_support
+"""
+
+import sys
+import unittest
import hashlib
+import subprocess
+import test.test_support
encoding = 'utf-8'
@@ -196,6 +200,25 @@
class UnicodeMiscTest(UnicodeDatabaseTest):
+ def test_failed_import_during_compiling(self):
+ # Issue 4367
+ # Decoding \N escapes requires the unicodedata module. If it can't be
+ # imported, we shouldn't segfault.
+
+ # This program should raise a SyntaxError in the eval.
+ code = "import sys;" \
+ "sys.modules['unicodedata'] = None;" \
+ """eval("u'\N{SOFT HYPHEN}'")"""
+ args = [sys.executable, "-c", code]
+ # We use a subprocess because the unicodedata module may already have
+ # been loaded in this process.
+ popen = subprocess.Popen(args, stderr=subprocess.PIPE)
+ popen.wait()
+ self.assertEqual(popen.returncode, 1)
+ error = "SyntaxError: (unicode error) \N escapes not supported " \
+ "(can't load unicodedata module)"
+ self.assertTrue(error in popen.stderr.read())
+
def test_decimal_numeric_consistent(self):
# Test that decimal and numeric are consistent,
# i.e. if a character has a decimal value,