def __init__(self,
interval,
period,
synchronized=False,
start_time_string='',
end_time_string='',
timezone=None):
super(IntervalTimeSpecification, self).__init__()
if interval < 1:
raise groc.GrocException('interval must be greater than zero')
self.interval = interval
self.period = period
self.synchronized = synchronized
if self.period == HOURS:
self.seconds = self.interval * 3600
else:
self.seconds = self.interval * 60
self.timezone = _GetTimezone(timezone)
# This section sets timezone, start_time, and end_time.
if self.synchronized:
if start_time_string:
raise ValueError(
'start_time_string may not be specified if synchronized is true'
)
if end_time_string:
raise ValueError(
'end_time_string may not be specified if synchronized is true'
)
if (self.seconds > 86400) or ((86400 % self.seconds) != 0):
raise groc.GrocException(
'can only use synchronized for periods that'
' divide evenly into 24 hours')
# 'synchronized' is equivalent to a time range that covers the entire
# range.
self.start_time = datetime.time(0, 0)
self.end_time = datetime.time(23, 59)
elif start_time_string:
if not end_time_string:
raise ValueError(
'end_time_string must be specified if start_time_string is'
)
self.start_time = _GetTime(start_time_string)
self.end_time = _GetTime(end_time_string)
else:
if end_time_string:
raise ValueError(
'start_time_string must be specified if end_time_string is'
)
self.start_time = None
self.end_time = None
def __init__(self, interval, period, synchronized=False):
super(IntervalTimeSpecification, self).__init__()
if interval < 1:
raise groc.GrocException('interval must be greater than zero')
self.interval = interval
self.period = period
self.synchronized = synchronized
if self.period == HOURS:
self.seconds = self.interval * 3600
else:
self.seconds = self.interval * 60
if self.synchronized:
if (self.seconds > 86400) or ((86400 % self.seconds) != 0):
raise groc.GrocException('can only use synchronized for periods that'
' divide evenly into 24 hours')
def GrocTimeSpecification(schedule, timezone=None):
"""Factory function.
Turns a schedule specification into a TimeSpecification.
Arguments:
schedule: the schedule specification, as a string
timezone: the optional timezone as a string for this specification.
Defaults to 'UTC' - valid entries are things like 'Australia/Victoria'
or 'PST8PDT'.
Returns:
a TimeSpecification instance
"""
parser = groc.CreateParser(schedule)
parser.timespec()
if parser.getTokenStream().LT(1).getText():
raise groc.GrocException(
'Extra token %r' % parser.getTokenStream().LT(1).getText())
if parser.period_string:
return IntervalTimeSpecification(parser.interval_mins,
parser.period_string,
parser.synchronized)
else:
return SpecificTimeSpecification(parser.ordinal_set, parser.weekday_set,
parser.month_set,
parser.monthday_set,
parser.time_string,
timezone)
def __init__(self, interval, period):
super(IntervalTimeSpecification, self).__init__()
if interval < 1:
raise groc.GrocException("interval must be greater than zero")
self.interval = interval
self.period = period
