New submission from Jacob Thalman <jpthal...@gmail.com>:
class MyTuple(tuple):
def __getitem__(self, item):
print "Getting {}".format(item)
t = MyTuple((1, 2))
t[0] -> "Getting 0"
t[1] -> "Getting 1"
t[slice(None)] -> "Getting slice(None, None, None)"
t[:] -> (1, 2)
t[slice(None, 1)] -> "Getting slice(None, 1, None)"
t[:1] -> (1,)
Overriding __getattribute__ confirms that the overridden __getitem__ is never
called when syntactic slice syntax is used.
----------
messages: 315551
nosy: jpthalman
priority: normal
severity: normal
status: open
title: Overridden __getitem__ not called on use of slice syntax when inheriting
from tuple
type: behavior
versions: Python 2.7
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue33322>
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