[issue14127] os.stat and os.utime: allow preserving exact metadata

[Martin v. Löwis]

Martin v. Löwis <martin at v.loewis.de> added the comment:

> I suggest that publishing nanoseconds as a plain int would be a  
> nasty API.  Consider what it would do to os.utime:

No, it wouldn't. Please re-read Guido's proposal. If you want to
specify nanoseconds, you have to pass the ns= parameter. My only
quibble with the specific spelling is that it invokes Godwin's law
(but I can live that that as a theoretical concern, also).

> Have we ever published an API that treated a parameter as two wildly  
> different numbers based solely on whether the parameter was an int  
> or a float?

No, and Guido is on the record for objecting such APIs. Hence the
keyword parameter.

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<http://bugs.python.org/issue14127>
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