[Python-Dev] PEP 362 Third Revision

Fri Jun 15 21:04:53 CEST 2012

On 06/15/2012 11:46 AM, R. David Murray wrote:
> Adding a os.have_openat seems more reasonable than adding is_implemented
> to every __signature__ object. And more useful, as well; it provides
> a much more specific piece of information.

We already have "os.have_openat"; it's spelled 
sysconfig.get_config_var('HAVE_OPENAT'). But, assuming I land issue 
14626, this leads us to:
 Q: Can I use the dir_fd parameter to os.open?
 A: Only if sysconfig.get_config_var('HAVE_OPENAT') is true.
 Q: Can I use the fd parameter to os.utime?
 A: Only if sysconfig.get_config_var('HAVE_FUTIMENS') or
 sysconfig.get_config_var('HAVE_FUTIMES') is true.
I feel this interface lacks civility.
//arry/
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