def __init__(self, per):
start, end_or_duration = per
if not (isinstance(start, datetime) or isinstance(start, date)):
raise ValueError('Start value MUST be a datetime or date instance')
if not (isinstance(end_or_duration, datetime) or
isinstance(end_or_duration, date) or
isinstance(end_or_duration, timedelta)):
raise ValueError('end_or_duration MUST be a datetime, '
'date or timedelta instance')
by_duration = 0
if isinstance(end_or_duration, timedelta):
by_duration = 1
duration = end_or_duration
end = start + duration
else:
end = end_or_duration
duration = end - start
if start > end:
raise ValueError("Start time is greater than end time")
self.params = Parameters()
# set the timezone identifier
# does not support different timezones for start and end
tzid = tzinfo_from_dt(start)
if tzid:
self.params['TZID'] = tzid
self.start = start
self.end = end
self.by_duration = by_duration
self.duration = duration
def __init__(self, per):
start, end_or_duration = per
if not (isinstance(start, datetime) or isinstance(start, date)):
raise ValueError('Start value MUST be a datetime or date instance')
if not (isinstance(end_or_duration, datetime)
or isinstance(end_or_duration, date)
or isinstance(end_or_duration, timedelta)):
raise ValueError('end_or_duration MUST be a datetime, '
'date or timedelta instance')
by_duration = 0
if isinstance(end_or_duration, timedelta):
by_duration = 1
duration = end_or_duration
end = start + duration
else:
end = end_or_duration
duration = end - start
if start > end:
raise ValueError("Start time is greater than end time")
self.params = Parameters()
# set the timezone identifier
# does not support different timezones for start and end
tzid = tzinfo_from_dt(start)
if tzid:
self.params['TZID'] = tzid
self.start = start
self.end = end
self.by_duration = by_duration
self.duration = duration
def to_ical(self):
dt = self.dt
tzid = tzinfo_from_dt(dt)
s = "%04d%02d%02dT%02d%02d%02d" % (dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second)
if tzid == "UTC":
s += "Z"
elif tzid:
self.params.update({"TZID": tzid})
return s
def to_ical(self):
dt = self.dt
tzid = tzinfo_from_dt(dt)
s = "%04d%02d%02dT%02d%02d%02d" % (dt.year, dt.month, dt.day, dt.hour,
dt.minute, dt.second)
if tzid == 'UTC':
s += "Z"
elif tzid:
self.params.update({'TZID': tzid})
return s
def __init__(self, dt):
"Returns vDate from"
if type(dt) not in (datetime, date, timedelta, time):
raise ValueError("You must use datetime, date, timedelta or time")
if isinstance(dt, datetime):
self.params = Parameters(dict(value="DATE-TIME"))
elif isinstance(dt, date):
self.params = Parameters(dict(value="DATE"))
elif isinstance(dt, time):
self.params = Parameters(dict(value="TIME"))
if (isinstance(dt, datetime) or isinstance(dt, time)) and getattr(dt, "tzinfo", False):
tzinfo = dt.tzinfo
if tzinfo is not pytz.utc and not isinstance(tzinfo, tzutc):
# set the timezone as a parameter to the property
tzid = tzinfo_from_dt(dt)
if tzid:
self.params.update({"TZID": tzid})
self.dt = dt
