[Python-Dev] an alternative to embedding policy in PEP 418

Glenn Linderman v+python at g.nevcal.com
Mon Apr 2 23:59:02 CEST 2012

On 4/2/2012 2:40 PM, Nick Coghlan wrote:
> On Tue, Apr 3, 2012 at 3:44 AM, Glenn Linderman<v+python at g.nevcal.com>  wrote:
>> >  One thing I don't like about the idea of fallback being buried under some
>> >  API is that the efficiency of that API on each call must be less than the
>> >  efficiency of directly calling an API to get a single clock's time.
> No, that's a misunderstanding of the fallback mechanism. The fallback
> happens when the time module is initialised, not on every call. Once
> the appropriate clock has been selected during module initialisation,
> it is invoked directly at call time.

I would hope that is how the fallback mechanism would be coded, but I'm 
pretty sure I've seen other comments in this thread that implied 
otherwise.  But please don't ask me to find them, this thread is huge.

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