## # copyright 2009, James William Pye # http://python.projects.postgresql.org ## """ datetime extras """ import datetime class FixedOffset(datetime.tzinfo): def __init__(self, offset_in_seconds, tzname = None): self._tzname = tzname self._offset = offset_in_seconds self._offset_in_mins = offset_in_seconds // 60 self._td_offset = datetime.timedelta(0, self._offset_in_mins * 60) self._dst = datetime.timedelta(0) def utcoffset(self, offset_from): return self._td_offset def tzname(self): return self._tzname def dst(self, arg): return self._dst def __repr__(self): return "{path}.{name}({off}{tzname})".format( path = type(self).__module__, name = type(self).__name__, off = repr(self._td_offset.days * 24 * 60 * 60 + self._td_offset.seconds), tzname = ( ", tzname = {tzname!r}".format(tzname = self._tzname) \ if self._tzname is not None else "" ) ) UTC = FixedOffset(0, tzname = 'UTC')