105     def utcoffset(self, dt):  argument
106         return self._find_trans(dt).utcoff
108     def dst(self, dt):  argument
109         return self._find_trans(dt).dstoff
111     def tzname(self, dt):  argument
112         return self._find_trans(dt).tzname
114     def fromutc(self, dt):  argument
117         if not isinstance(dt, datetime):
119         if dt.tzinfo is not self:
122         timestamp = self._get_local_timestamp(dt)
132                 timestamp, dt.year
152         dt += tti.utcoff
154             return dt.replace(fold=1)
156             return dt
158     def _find_trans(self, dt):  argument
159         if dt is None:
165         ts = self._get_local_timestamp(dt)
167         lt = self._trans_local[dt.fold]
175                 return self._tz_after.get_trans_info(ts, dt.year, dt.fold)
185     def _get_local_timestamp(self, dt):  argument
187             (dt.toordinal() - EPOCHORDINAL) * 86400
188             + dt.hour * 3600
189             + dt.minute * 60
190             + dt.second