def by_range(self, start, end):
if not start and not end:
return self.index
if not self.index:
return []
first_date = self.identity_date(self.index[0])
last_date = self.identity_date(self.index[-1])
if not dates.overlaps(first_date, last_date, start, end):
return []
dateindex = self.get_metadata('dateindex')
# use whatever timezone is given, because a search for a range cannot
# be normalized, since the day of this search is not really a concept
# that exists globally, everyone calls a different utc time a day
start = (start or first_date).date()
end = (end or last_date).date()
if start <= first_date.date():
startrange = 0
else:
startrange = dateindex[start]
if end >= last_date.date():
endrange = len(self.index)
else:
endrange = dateindex[end + timedelta(days=1)]
return self.index[startrange:endrange]
def spawn(self, realitems, start=None, end=None):
if not all((start, end)):
start, end = self.daterange_dates()
for item in realitems:
for occurrence in recurrence.occurrences(item, start, end):
for split in recurrence.split_days(occurrence):
if dates.overlaps(start, end, split.start, split.end):
yield split
def spawn(self, realitems, start=None, end=None):
if not all((start, end)):
start, end = self.daterange_dates()
for item in realitems:
for occurrence in recurrence.occurrences(item, start, end):
for split in recurrence.split_days(occurrence):
if dates.overlaps(start, end, split.start, split.end):
yield split
def occurrences(item, min_date, max_date):
""" Returns the occurrences for item between min and max date.
Will return a list with a single item if the given item has no recurrence.
"""
if not isinstance(item.start, datetime):
item_start = dates.to_utc(datetime.utcfromtimestamp(item.start))
else:
item_start = item.start
if not isinstance(item.end, datetime):
item_end = dates.to_utc(datetime.utcfromtimestamp(item.end))
else:
item_end = item.end
if not item.recurrence:
if not overlaps(min_date, max_date, item_start, item_end):
return []
else:
return [Occurrence(item, item_start, item_end)]
tz = pytz.timezone(item.timezone)
local_start = tz.normalize(item_start)
_occurrences = recurrence_sequence_ical(
start=local_start,
recrule=item.recurrence,
from_=min_date,
until=max_date
)
result = []
duration = item_end - item_start
for start in _occurrences:
start = utcoffset_normalize(start, dstmode=DSTADJUST)
result.append(Occurrence(item, start, start + duration))
return result
def occurrences(item, min_date, max_date):
""" Returns the occurrences for item between min and max date.
Will return a list with a single item if the given item has no recurrence.
"""
if not isinstance(item.start, datetime):
item_start = dates.to_utc(datetime.utcfromtimestamp(item.start))
else:
item_start = item.start
if not isinstance(item.end, datetime):
item_end = dates.to_utc(datetime.utcfromtimestamp(item.end))
else:
item_end = item.end
if not item.recurrence:
if not overlaps(min_date, max_date, item_start, item_end):
return []
else:
return [Occurrence(item, item_start, item_end)]
tz = pytz.timezone(item.timezone)
local_start = tz.normalize(item_start)
_occurrences = recurrence_sequence_ical(start=local_start,
recrule=item.recurrence,
from_=min_date,
until=max_date)
result = []
duration = item_end - item_start
for start in _occurrences:
start = utcoffset_normalize(start, dstmode=DSTADJUST)
result.append(Occurrence(item, start, start + duration))
return result
def by_range(self, start, end):
if not start and not end:
return self.index
if not self.index:
return []
first_date = self.identity_date(self.index[0])
last_date = self.identity_date(self.index[-1])
last_date = datetime(
last_date.year, last_date.month, last_date.day,
tzinfo=end.tzinfo) + timedelta(days=1, microseconds=-1)
if not dates.overlaps(first_date, last_date, start, end):
return []
dateindex = self.get_metadata('dateindex')
# use whatever timezone is given, because a search for a range cannot
# be normalized, since the day of this search is not really a concept
# that exists globally, everyone calls a different utc time a day
start = (start or first_date).date()
end = (end or last_date).date()
if start <= first_date.date():
startrange = 0
else:
startrange = dateindex[start]
if end >= last_date.date():
endrange = len(self.index)
else:
endrange = dateindex[end + timedelta(days=1)]
return self.index[startrange:endrange]
