def occurrence(self, entryid):
entryid = _bdec(entryid)
pos = 2 + _utils.unpack_short(entryid, 0)
basedate_val = _utils.unpack_long(entryid, pos)
for exc in self.exceptions: # TODO subject etc
if exc['original_start_date'] in (
basedate_val,
basedate_val - self.starttime_offset): # TODO pick one
start = datetime.datetime.fromtimestamp(
_utils.rectime_to_unixtime(exc['start_datetime']))
start = _utils._to_gmt(start, self.tz)
break
else:
# TODO check that date is (still) valid
start = datetime.datetime.fromtimestamp(
_utils.rectime_to_unixtime(basedate_val))
start = _utils._to_gmt(start, self.tz)
return Occurrence(
self.item,
start,
start + datetime.timedelta(minutes=self.endtime_offset -
self.starttime_offset),
basedate_val=basedate_val,
)
def occurrences(self, start=None, end=None): # XXX fit-to-period
tz = self.item.get_value(PidLidTimeZoneStruct)
recurrences = self.recurrences
if start and end:
recurrences = recurrences.between(_utils._from_gmt(start, tz),
_utils._from_gmt(end, tz))
start_exc_ext = {}
for exc, ext in zip(self.exceptions, self.extended_exceptions):
start_exc_ext[exc['start_datetime']] = exc, ext
for d in recurrences:
startdatetime_val = _utils.unixtime_to_rectime(
time.mktime(d.timetuple()))
subject = self.item.subject
location = self.item.location
if startdatetime_val in start_exc_ext:
exc, ext = start_exc_ext[startdatetime_val]
minutes = exc['end_datetime'] - startdatetime_val
subject = ext.get('subject', subject)
location = ext.get('location', location)
else:
minutes = self.endtime_offset - self.starttime_offset
d = _utils._to_gmt(d, tz)
occ = Occurrence(self.item, d,
d + datetime.timedelta(minutes=minutes), subject,
location)
if (not start or occ.end > start) and (not end or occ.start < end):
yield occ
def basedate(self):
""" Exception date """
blob = self.item.get_value(PidLidGlobalObjectId)
if blob is not None:
y, m, d = struct.unpack_from('>HBB', blob, 16)
if (y, m, d) != (0, 0, 0):
ts = timegm(datetime.datetime(y, m, d).timetuple())
tz = self.item.get_value(PidLidTimeZoneStruct)
return _utils._to_gmt(datetime.datetime.fromtimestamp(ts), tz)
def _update(self, **kwargs):
if self.item.recurring:
rec = self.item.recurrence
basedate = datetime.datetime.fromtimestamp(
_utils.rectime_to_unixtime(self._basedate_val))
basedate = _utils._to_gmt(basedate, rec.tz)
if rec.is_exception(basedate):
rec.modify_exception2(basedate, **kwargs)
else:
rec.create_exception2(basedate)
rec.modify_exception2(basedate, **kwargs)
else:
for (k, v) in kwargs.items():
setattr(self.item, k, v)
