Index: Lib/test/test_exceptions.py
===================================================================
--- Lib/test/test_exceptions.py (revision 62647)
+++ Lib/test/test_exceptions.py (working copy)
@@ -4,6 +4,7 @@
import sys
import unittest
import pickle
+import weakref
from test.test_support import TESTFN, unlink, run_unittest
@@ -400,8 +401,9 @@
self.failUnless(str(Exception('a')))
self.failUnless(str(Exception('a')))
- def testExceptionCleanup(self):
- # Make sure "except V as N" exceptions are cleaned up properly
+ def testExceptionCleanupNames(self):
+ # Make sure the local variable bound to the exception instance by
+ # an "except" statement is only visible inside the except block.
try:
raise Exception()
@@ -410,7 +412,32 @@
del e
self.failIf('e' in locals())
+ def testExceptionCleanupState(self):
+ # Make sure exception state is cleaned up as soon as the except
+ # block is left. See #2507
+ class MyException(Exception):
+ def __init__(self, obj):
+ self.obj = obj
+ class MyObj:
+ pass
+
+ def inner_raising_func():
+ # Create some references in exception value and traceback
+ local_ref = obj
+ raise MyException(obj)
+
+ obj = MyObj()
+ wr = weakref.ref(obj)
+ try:
+ inner_raising_func()
+ except MyException as e:
+ pass
+ obj = None
+ obj = wr()
+ self.failUnless(obj is None, "%s" % obj)
+
+
def test_main():
run_unittest(ExceptionTests)