[Python-Dev] SEEK_* constants in io and os

Ethan Furman ethan at stoneleaf.us
Fri Sep 6 16:23:46 CEST 2013

On 09/01/2013 06:02 PM, Eli Bendersky wrote:
> os seems to import io in some functions; can this be done always? If yes, we can just define the constants once and
> os.SEEK_* will alias io.SEEK_*? The other way (io taking from os) is also a possibility (maybe the preferred one because
> io already refers to os.SEEK_HOLE/DATA, at least in the documentation).
> Any ideas and suggestions are welcome,

Ideally we should only define them once.

If these are values that could change per O/S then they should be in the os module.  Since they /can/ change per O/S 
(even if they don't currently), we should put them in os.

I'd say it's worth the extra 0.5ms startup time.


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