[Datetime-SIG] Implementing tzinfo for all valid datetimes (was Re: PEP-431/495)

[Chris Angelico]

On Mon, Aug 24, 2015 at 12:49 PM, Tim Peters <tim.peters at gmail.com> wrote:
> Does that really matter?  I don't know.  None of this matters much to
> me ;-)  But a scheme that's striving to be anally correct about
> precise seconds for years a century ago in places nobody ever heard of
> ;-) should really try to make a reasonable guess about years just a
> few decades from now.

tzdata can't accurately represent future timestamps anyway, as they
can change with barely a week's notice (cf Egypt and DST, and North
Korea moving half an hour away from Japan); the past, however, we
should be able to be sure of.

ChrisA