[Python-Dev] Negative times behaviour in itertools.repeat for Python maintenance releases (2.7, 3.3 and maybe 3.4) (original) (raw)

Vajrasky Kok sky.kok at speaklikeaking.com
Tue Jan 28 03:00:36 CET 2014

On Mon, Jan 27, 2014 at 9:13 PM, Larry Hastings <larry at hastings.org> wrote:

I apologize for not making myself clear. But that's part of what I meant, yes: we should preserve the existing behavior of times=-1 when passed in by position or by keyword. However, we should also add a deprecation warning when passing times=-1 by keyword, suggesting that they use times=None instead. The idea is that we could eventually remove the PyTupleSize check and make times=-1 always behave like times=0. In practice it'd be okay with me if we never did, or at least not until Python 4.

So we only add deprecation warning to only times=-1 via keyword or for all negative numbers to times via keyword?

I mean, what about:

from itertools import repeat list(repeat('a', times=-2)) Traceback (most recent call last): File "", line 1, in OverflowError: Python int too large to convert to C ssize_t

Deprecation warning or not?

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