Hi,
a general question. Consider:
class A(list):
def __setitem__(self, index, item):
# do something with index and item
return list.__setitem__(self, index, item)
lst = A([1,set()])
lst[0] |= 1
lst[1] |= set([1])
Do we want lst.__setitem__ to be called in the second inplace assignment?
A case where this matters is here: http://python.org/sf/1306777
Reinhold
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