def unpickler(zone, utcoffset=None, dstoffset=None, tzname=None):
"""Factory function for unpickling pytz tzinfo instances.
This is shared for both StaticTzInfo and DstTzInfo instances, because
database changes could cause a zones implementation to switch between
these two base classes and we can't break pickles on a pytz version
upgrade.
"""
# Raises a KeyError if zone no longer exists, which should never happen
# and would be a bug.
tz = pytz.timezone(zone)
# A StaticTzInfo - just return it
if utcoffset is None:
return tz
# This pickle was created from a DstTzInfo. We need to
# determine which of the list of tzinfo instances for this zone
# to use in order to restore the state of any datetime instances using
# it correctly.
utcoffset = memorized_timedelta(utcoffset)
dstoffset = memorized_timedelta(dstoffset)
try:
return tz._tzinfos[(utcoffset, dstoffset, tzname)]
except KeyError:
# The particular state requested in this timezone no longer exists.
# This indicates a corrupt pickle, or the timezone database has been
# corrected violently enough to make this particular
# (utcoffset,dstoffset) no longer exist in the zone, or the
# abbreviation has been changed.
pass
# See if we can find an entry differing only by tzname. Abbreviations
# get changed from the initial guess by the database maintainers to
# match reality when this information is discovered.
for localized_tz in tz._tzinfos.values():
if (localized_tz._utcoffset == utcoffset and
localized_tz._dst == dstoffset):
return localized_tz
# This (utcoffset, dstoffset) information has been removed from the
# zone. Add it back. This might occur when the database maintainers have
# corrected incorrect information. datetime instances using this
# incorrect information will continue to do so, exactly as they were
# before being pickled. This is purely an overly paranoid safety net - I
# doubt this will ever been needed in real life.
inf = (utcoffset, dstoffset, tzname)
tz._tzinfos[inf] = tz.__class__(inf, tz._tzinfos)
return tz._tzinfos[inf]
def convert(self, stringTime, stringDay = None, abbreviate = False, formatInput = FormatTimeShort, formatOutput = None, zoneFrom = ZoneUtc, zoneTo = ZoneLocal):
result = ''
try:
# If only time is given, the date will be set to 1900-01-01 and there are conversion problems if this goes down to 1899.
if formatInput == '%H:%M':
# Use current datetime (now) in order to accomodate for daylight saving time.
stringTime = '%s %s' % (datetime.datetime.now().strftime('%Y-%m-%d'), stringTime)
formatNew = '%Y-%m-%d %H:%M'
else:
formatNew = formatInput
if zoneFrom == Time.ZoneUtc: zoneFrom = pytz.timezone('UTC')
elif zoneFrom == Time.ZoneLocal: zoneFrom = pytz.timezone(self.localZone())
else: zoneFrom = pytz.timezone(zoneFrom)
if zoneTo == Time.ZoneUtc: zoneTo = pytz.timezone('UTC')
elif zoneTo == Time.ZoneLocal: zoneTo = pytz.timezone(self.localZone())
else: zoneTo = pytz.timezone(zoneTo)
timeobject = self.datetime(string = stringTime, format = formatNew)
if stringDay:
stringDay = stringDay.lower()
if stringDay.startswith('mon'): weekday = 0
elif stringDay.startswith('tue'): weekday = 1
elif stringDay.startswith('wed'): weekday = 2
elif stringDay.startswith('thu'): weekday = 3
elif stringDay.startswith('fri'): weekday = 4
elif stringDay.startswith('sat'): weekday = 5
else: weekday = 6
weekdayCurrent = datetime.datetime.now().weekday()
timeobject += datetime.timedelta(days = weekday) - datetime.timedelta(days = weekdayCurrent)
timeobject = zoneFrom.localize(timeobject)
timeobject = timeobject.astimezone(zoneTo)
if not formatOutput: formatOutput = formatInput
stringTime = timeobject.strftime(formatOutput)
if stringDay:
if abbreviate:
stringDay = calendar.day_abbr[timeobject.weekday()]
else:
stringDay = calendar.day_name[timeobject.weekday()]
return (stringTime, stringDay)
else:
return stringTime
except:
log_utils.error()
return stringTime
def convert_time(stringTime,
stringDay=None,
abbreviate=False,
formatInput=FormatTimeShort,
formatOutput=None,
zoneFrom=ZoneUtc,
zoneTo=ZoneLocal,
remove_zeroes=False):
result = ''
try:
# If only time is given, the date will be set to 1900-01-01 and there are conversion problems if this goes down to 1899.
if formatInput == '%H:%M':
stringTime = '%s %s' % (
datetime.now().strftime('%Y-%m-%d'), stringTime
) # Use current datetime.now() to accomodate for daylight saving time.
formatNew = '%Y-%m-%d %H:%M'
else:
formatNew = formatInput
if zoneFrom == ZoneUtc: zoneFrom = pytz.timezone('UTC')
elif zoneFrom == ZoneLocal: zoneFrom = pytz.timezone(localZone())
else: zoneFrom = pytz.timezone(zoneFrom)
if zoneTo == ZoneUtc: zoneTo = pytz.timezone('UTC')
elif zoneTo == ZoneLocal: zoneTo = pytz.timezone(localZone())
else: zoneTo = pytz.timezone(zoneTo)
timeobject = cleandate.datetime_from_string(string_date=stringTime,
format=formatNew,
date_only=False)
if stringDay:
stringDay = stringDay.lower()
if stringDay.startswith('mon'): weekday = 0
elif stringDay.startswith('tue'): weekday = 1
elif stringDay.startswith('wed'): weekday = 2
elif stringDay.startswith('thu'): weekday = 3
elif stringDay.startswith('fri'): weekday = 4
elif stringDay.startswith('sat'): weekday = 5
else: weekday = 6
weekdayCurrent = datetime.now().weekday()
timeobject += timedelta(days=weekday) - timedelta(
days=weekdayCurrent)
timeobject = zoneFrom.localize(timeobject)
timeobject = timeobject.astimezone(zoneTo)
if not formatOutput: formatOutput = formatInput
stringTime = timeobject.strftime(formatOutput)
if remove_zeroes:
stringTime = stringTime.replace(' 0', ' ').replace(':00 ', '')
if stringDay:
if abbreviate: stringDay = calendar.day_abbr[timeobject.weekday()]
else: stringDay = calendar.day_name[timeobject.weekday()]
return (stringTime, stringDay)
else:
return stringTime
except:
from resources.lib.modules import log_utils
log_utils.error()
return stringTime