how to get tz_info object corresponding to current timezone?

datetime, python, pytz, time, timezone

Solution

>>> import datetime
>>> today = datetime.datetime.now()
>>> insummer = datetime.datetime(2009,8,15,10,0,0)
>>> from pytz import reference
>>> localtime = reference.LocalTimezone()
>>> localtime.tzname(today)
'PST'
>>> localtime.tzname(insummer)
'PDT'
>>> 

Problem

Is there a cross-platform function in `python` (or `pytz`) that returns a `tzinfo` object corresponding to the timezone currently set on the computer? environment variables cannot be counted on as they are not cross-platform

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