[Python-checkins] r45925 - in python/trunk: Lib/tempfile.py Lib/test/test_os.py Misc/NEWS Modules/posixmodule.c

["Martin v. Löwis"]

M.-A. Lemburg wrote:
>> +        except WindowsError, e:
>> +            if e.errno == 183: # ERROR_ALREADY_EXISTS
>> +                continue # try again
>> +            raise
>>          except OSError, e:
>>              if e.errno == _errno.EEXIST:
>>                  continue # try again
> 
> Rather than adding new cases for the changed error codes,
> wouldn't it be better and more backwards compatible to
> add aliases to the errno module for e.g. ERROR_ALREADY_EXISTS ?!

It might be better for some reason, but I cannot see how
it would be more backwards compatible to define symbolic
constant ERROR_ALREADY_EXISTS, with the value 183.

In what sense would the backwards compatibility be improved ?!

Regards,
Martin