[Python-Dev] Draft PEP for time zone support.

[Antoine Pitrou]

Le Tue, 11 Dec 2012 16:23:37 +0100,
Lennart Regebro <regebro at gmail.com> 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?

Regards

Antoine.