[Python-Dev] an alternative to embedding policy in PEP 418 (was: PEP 418: Add monotonic clock) (original) (raw)

Ethan Furman ethan at stoneleaf.us
Wed Apr 4 21:52:00 CEST 2012

Oleg Broytman wrote:

On Wed, Apr 04, 2012 at 11:03:02AM -0700, Ethan Furman wrote:

Oleg Broytman wrote:

. Pythonic equivalent of "getclock(THIS) or getclok(THAT)" is

for flag in (THIS, THAT): try: clock = getclock(flag) except: pass else: break else: raise ValueError('Cannot get clock, tried THIS and THAT') Wow -- you'd rather write nine lines of code instead of three? clock = getclock(THIS) or getclock(THAT) if clock is None: raise ValueError('Cannot get clock, tried THIS and THAT') Yes - to force people to write the last two lines. Without forcing most programmers will skip them.

Forced? I do not use Python to be forced to use one style of programming over another.

And it's not like returning None will allow some clock calls to work but not others -- as soon as they try to use it, it will raise an exception.

Ethan

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