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Found a bug when trying to integrate figleaf coverage into trunk. I
have ripped the code down to the smallest subset that still causes the
behaviour. The code works on the latest release of Python 2.5 but is
broken on trunk. It comes in two files. The first is the caller (figleaf):
import os
import sys
def foo(f, e, o):
 pass
 
sys.settrace(foo)
import __main__
execfile('test_broken.py', __main__.__dict__)
The second file is the test (test_broken.py):
# This code breaks on trunk
def test_foo():
 class CustomException(Exception):
 pass
 class SomeClass:
 def foo(self):
 raise CustomException
 # The error only appears with enough nested blocks.
 if (True == True):
 try:
 raise IOError
 except CustomException:
 pass
It should raise IOError. When run, it gives the following output:
jerry-seutters-computer:~/code/python/core_wierd_bug_minimal jseutter$
../core/python.exe figleaf 
Traceback (most recent call last):
 File "figleaf", line 10, in <module>
 execfile('test_broken.py', __main__.__dict__)
 File "test_broken.py", line 18, in <module>
 test_foo()
 File "test_broken.py", line 15, in test_foo
 except CustomException:
UnboundLocalError: local variable 'CustomException' referenced before
assignment
[10019 refs]