On Wed, Nov 19, 2014, at 15:10, Guido van Rossum wrote: > There's a new PEP proposing to change how to treat StopIteration bubbling > up out of a generator frame (not caused by a return from the frame). The > proposal is to replace such a StopIteration with a RuntimeError (chained > to > the original StopIteration), so that only *returning* from a generator > (or > falling off the end) causes the iteration to terminate. > > The proposal unifies the behavior of list comprehensions and generator > expressions along the lines I had originally in mind when they were > introduced. It renders useless/illegal certain hacks that have crept into > some folks' arsenal of obfuscated Python tools. > > In Python 3.5 the proposed change is conditional on: > > from __future__ import replace_stopiteration_in_generators Drive-by comment: This seems like a terribly awkward name. Could a shorter and sweeter name not be found?
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