Ian reproposed:
class Quitter(object):
def __init__(self, name):
self.name = name
def __repr__(self):
return 'Use %s() to exit' % self.name
def __call__(self):
raise SystemExit()
The one change I would suggest is the string used in repr.
Some of the objections to the current behavior boil down to
"If it knows what I mean, why didn't it do it?" We probably
can't explain first-class callables in a short message, but
we could emphasize that it has to be *call*ed. Perhaps
def __repr__(self):
return 'Calling %s() will exit python' % self.name
-jJ
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