DataTreeGrab.py 文件源码

def set_timezone(self, timezone = None):
        with self.tree_lock:
            if isinstance(timezone, datetime.tzinfo):
                self.timezone = timezone

            else:
                if timezone == None:
                    timezone = self.data_value(["timezone"], str, default='utc')

                try:
                    oldtz = self.timezone
                    self.timezone = pytz.timezone(timezone)

                except:
                    if isinstance(oldtz, datetime.tzinfo):
                        self.warn('Invalid timezone "%s" suplied. Falling back to the old timezone "%s"' \
                            % (timezone, oldtz.tzname), dtdata_defWarning, 2)
                        self.timezone = oldtz

                    else:
                        self.warn('Invalid timezone "%s" suplied. Falling back to UTC' % (timezone, ), dtdata_defWarning, 2)
                        self.timezone = pytz.utc

            self.set_current_date()
            self.set_current_weekdays()