Bugs item #1502805, was opened at 2006-06-08 12:53
Message generated for change (Comment added) made by zseil
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Category: Python Interpreter Core
Group: Python 2.5
Status: Open
Resolution: None
Priority: 6
Submitted By: Armin Rigo (arigo)
Assigned to: Nobody/Anonymous (nobody)
Summary: 'with' sometimes eats exceptions
Initial Comment:
The 'with' statement eats some execeptions,
in a pattern that I haven't been able to
understand quite precisely:
>>> with os.popen('ls', 'r') as f:
... print 'hi'
... print 1/0
...
hi
ls: broken pipe
>>>
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Comment By: iga Seilnacht (zseil)
Date: 2006-06-08 15:32
Message:
Logged In: YES
user_id=1326842
The bug is in the file.__exit__ method. This method is
just an alias for file.close(), with METH_VARARGS instead
of METH_NOARGS as flags. It should be instead a method
that requires three parameters, closes the file and
returns a false value if those parameters were not None
or if something went wrong while closing the file.
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