On 5/18/2013 11:22 AM, Antoine Pitrou wrote:
On Sat, 18 May 2013 15:52:56 +0100 Richard Oudkerk <shibt...@gmail.com> wrote:
So even more contrived: class Node: def __init__(self, x): self.x = x self.next = None def __del__(self): print(self.x, self.next.x) del self.x
An attribute reference that can fail should be wrapped with try-except.
a = Node(1) b = Node(2) a.next = b b.next = a del a, b gc.collect()Indeed, there is an exception during destruction (which is ignored as any exception raised from __del__): $ ./python sbt.py 1 2 Exception ignored in: <bound method Node.__del__ of <__main__.Node object at 0x7f543cf0bb50>> Traceback (most recent call last): File "sbt.py", line 17, in __del__ print(self.x, self.next.x) AttributeError: 'Node' object has no attribute 'x'
Though ignored, the bug is reported, hinting that you should fix it ;-). _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
