On Wed, 25 Jan 2017 at 05:26 Stephen J. Turnbull < turnbull.stephen...@u.tsukuba.ac.jp> wrote:
> -1 I don't see how this is an improvement. If it would raise if > exist_ok == False, then > > try: > p.rename(another_p, exist_ok=False) > except ExistNotOKError: > take_evasive_action(p) > > doesn't seem like a big improvement over > > if p.exists(): > take_evasive_action(p) > else: > p.rename(another_p) > > And if it doesn't raise, then the action just silently fails? > The latter should be if another_p.exists(), and it can race with the creation of another_p—this is a textbook motivating example for EAFP.
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