Guido van Rossum
Wed Dec 12 01:11:11 CET 2012Previous message:
[Python-Dev] Draft PEP for time zone support.
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On Tue, Dec 11, 2012 at 8:07 AM, Antoine Pitrou <
> wrote: > Le Tue, 11 Dec 2012 16:23:37 +0100, > Lennart Regebro <
> a écrit : >>>> Changes in the ``datetime``-module >> -------------------------------------- >>>> A new ``is_dst`` parameter is added to several of the `tzinfo` >> methods to handle time ambiguity during DST changeovers. >>>> * ``tzinfo.utcoffset(self, dt, is_dst=True)`` >>>> * ``tzinfo.dst(self, dt, is_dst=True)`` >>>> * ``tzinfo.tzname(self, dt, is_dst=True)`` >>>> The ``is_dst`` parameter can be ``True`` (default), ``False``, or >> ``None``. >>>> ``True`` will specify that the given datetime should be interpreted >> as happening during daylight savings time, ie that the time specified >> is before the change from DST. >> Why is it True by default? Do we have statistics showing that Python > gets more use in summer? My question exactly. The rest sounds good -- definitely use the system tz database on Unixy systems, pre-install on Windows and make updating easy. Some bikeshedding about static I don't really understand, so I'll leave to others. -- --Guido van Rossum (python.org/~guido)
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