Australian Postcodes MCP Server

""" This module provides some datetime.tzinfo implementations. All those classes are taken from the Python documentation. """ import time from datetime import timedelta, tzinfo ZERO = timedelta(0) # constant for zero time offset. class Utc(tzinfo): """UTC Universal time coordinated time zone. """ def utcoffset(self, dt): """ Return offset from UTC in minutes east of UTC, which is ZERO for UTC. """ return ZERO def tzname(self, dt): """ Return the time zone name corresponding to the datetime object dt, as a string. """ return "UTC" def dst(self, dt): """ Return the daylight saving time (DST) adjustment, in minutes east of UTC. """ return ZERO def __reduce__(self): """ When unpickling a Utc object, return the default instance below, UTC. """ return _Utc, () UTC = Utc() # the default instance for UTC. def _Utc(): """ Helper function for unpickling a Utc object. """ return UTC class FixedOffset(tzinfo): """ A class building tzinfo objects for fixed-offset time zones. Note that FixedOffset(0, 0, "UTC") or FixedOffset() is a different way to build a UTC tzinfo object. """ def __init__(self, offset_hours=0, offset_minutes=0, name="UTC"): """ Initialise an instance with time offset and name. The time offset should be positive for time zones east of UTC and negate for time zones west of UTC. """ self.__offset = timedelta(hours=offset_hours, minutes=offset_minutes) self.__name = name def utcoffset(self, dt): """ Return offset from UTC in minutes of UTC. """ return self.__offset def tzname(self, dt): """ Return the time zone name corresponding to the datetime object dt, as a string. """ return self.__name def dst(self, dt): """ Return the daylight saving time (DST) adjustment, in minutes east of UTC. """ return ZERO def __repr__(self): """ Return nicely formatted repr string. """ return "<FixedOffset %r>" % self.__name STDOFFSET = timedelta(seconds=-time.timezone) # locale time zone offset # calculate local daylight saving offset if any. if time.daylight: DSTOFFSET = timedelta(seconds=-time.altzone) else: DSTOFFSET = STDOFFSET DSTDIFF = DSTOFFSET - STDOFFSET # difference between local time zone and local DST time zone class LocalTimezone(tzinfo): """ A class capturing the platform's idea of local time. """ def utcoffset(self, dt): """ Return offset from UTC in minutes of UTC. """ if self._isdst(dt): return DSTOFFSET else: return STDOFFSET def dst(self, dt): """ Return daylight saving offset. """ if self._isdst(dt): return DSTDIFF else: return ZERO def tzname(self, dt): """ Return the time zone name corresponding to the datetime object dt, as a string. """ return time.tzname[self._isdst(dt)] def _isdst(self, dt): """ Returns true if DST is active for given datetime object dt. """ tt = ( dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, dt.weekday(), 0, -1, ) stamp = time.mktime(tt) tt = time.localtime(stamp) return tt.tm_isdst > 0 # the default instance for local time zone. LOCAL = LocalTimezone()