def InitCalWithPrelims():
cal = Calendar()
cal.add('prodid', '-//CalPy')
cal.add('version', '2.0')
cal.add('calscale', 'GREGORIAN')
cal.add('method', 'PUBLISH')
tzd = icalendar.TimezoneDaylight()
tzd.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '2su'})
tzd.add('dtstart', datetime.datetime(2007, 3, 11, 2, 0, 0))
tzd.add('tzname', 'MDT')
tzd.add('TZOFFSETFROM', datetime.timedelta(hours=-7))
tzd.add('TZOFFSETTO', datetime.timedelta(hours=-6))
tzs = icalendar.TimezoneStandard()
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 11, 'byday': '1su'})
tzs.add('dtstart', datetime.datetime(2007, 11, 4, 2, 0, 0))
tzs.add('tzname', 'MST')
tzs.add('TZOFFSETFROM', datetime.timedelta(hours=-6))
tzs.add('TZOFFSETTO', datetime.timedelta(hours=-7))
tzc = icalendar.Timezone()
tzc.add('tzid', 'America/Denver')
tzc.add_component(tzd)
tzc.add_component(tzs)
cal.add_component(tzc)
return cal
def icalTimezone(tz, schedules):
ical_tz = icalendar.Timezone()
ical_tz.add('tzid', tz.zone)
transition_times = tz._utc_transition_times
start = min(schedules,
key=lambda sch: sch['term']['start'])['term']['start']
start = parseDate(start)
end = max(schedules, key=lambda sch: sch['term']['end'])['term']['end']
end = parseDate(end)
start_idx = bisect.bisect_left(transition_times, start)
assert start_idx > 0
from_offset = tz.utcoffset(transition_times[start_idx - 1])
for time in transition_times[start_idx:]:
offset = tz.utcoffset(time)
tzname = tz.tzname(time)
dst = tz.dst(time)
time += from_offset
if dst.total_seconds() == 0:
transition = icalendar.TimezoneStandard()
else:
transition = icalendar.TimezoneDaylight()
transition.add('tzname', tzname)
transition.add('tzoffsetfrom', from_offset)
transition.add('tzoffsetto', offset)
transition.add('dtstart', time)
ical_tz.add_component(transition)
from_offset = offset
if time > end:
break
return ical_tz
def test_create_to_ical(self):
cal = icalendar.Calendar()
cal.add('prodid', u"-//Plone.org//NONSGML plone.app.event//EN")
cal.add('version', u"2.0")
cal.add('x-wr-calname', u"test create calendar")
cal.add('x-wr-caldesc', u"icalendar tests")
cal.add('x-wr-relcalid', u"12345")
cal.add('x-wr-timezone', u"Europe/Vienna")
tzc = icalendar.Timezone()
tzc.add('tzid', 'Europe/Vienna')
tzc.add('x-lic-location', 'Europe/Vienna')
tzs = icalendar.TimezoneStandard()
tzs.add('tzname', 'CET')
tzs.add('dtstart', datetime.datetime(1970, 10, 25, 3, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
tzs.add('TZOFFSETFROM', datetime.timedelta(hours=2))
tzs.add('TZOFFSETTO', datetime.timedelta(hours=1))
tzd = icalendar.TimezoneDaylight()
tzd.add('tzname', 'CEST')
tzd.add('dtstart', datetime.datetime(1970, 3, 29, 2, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '-1su'})
tzd.add('TZOFFSETFROM', datetime.timedelta(hours=1))
tzd.add('TZOFFSETTO', datetime.timedelta(hours=2))
tzc.add_component(tzs)
tzc.add_component(tzd)
cal.add_component(tzc)
event = icalendar.Event()
tz = pytz.timezone("Europe/Vienna")
event.add('dtstart', datetime.datetime(2012, 02, 13, 10, 00, 00, tzinfo=tz))
def construct_icalendar(context, events):
"""Returns an icalendar.Calendar object.
:param context: A content object, which is used for calendar details like
Title and Description. Usually a container, collection or
the event itself.
:param events: The list of event objects, which are included in this
calendar.
"""
cal = icalendar.Calendar()
cal.add('prodid', PRODID)
cal.add('version', VERSION)
cal_tz = default_timezone(context)
if cal_tz:
cal.add('x-wr-timezone', cal_tz)
tzmap = {}
if not hasattr(events, '__getslice__'): # LazyMap doesn't have __iter__
events = [events]
for event in events:
if ICatalogBrain.providedBy(event) or\
IContentListingObject.providedBy(event):
event = event.getObject()
acc = IEventAccessor(event)
tz = acc.timezone
# TODO: the standard wants each recurrence to have a valid timezone
# definition. sounds decent, but not realizable.
if not acc.whole_day: # whole day events are exported as dates without
# timezone information
tzmap = add_to_zones_map(tzmap, tz, acc.start)
tzmap = add_to_zones_map(tzmap, tz, acc.end)
cal.add_component(IICalendarEventComponent(event).to_ical())
for (tzid, transitions) in tzmap.items():
cal_tz = icalendar.Timezone()
cal_tz.add('tzid', tzid)
cal_tz.add('x-lic-location', tzid)
for (transition, tzinfo) in transitions.items():
if tzinfo['dst']:
cal_tz_sub = icalendar.TimezoneDaylight()
else:
cal_tz_sub = icalendar.TimezoneStandard()
cal_tz_sub.add('tzname', tzinfo['name'])
cal_tz_sub.add('dtstart', transition)
cal_tz_sub.add('tzoffsetfrom', tzinfo['tzoffsetfrom'])
cal_tz_sub.add('tzoffsetto', tzinfo['tzoffsetto'])
# TODO: add rrule
# tzi.add('rrule',
# {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
cal_tz.add_component(cal_tz_sub)
cal.add_component(cal_tz)
return cal
def _vtimezone_with_dst(tzswitches, timezone):
daylight = []
standard = []
prev_prev_transition_info = None
prev_prev_component = None
prev_component = None
_, prev_transition_info = next(tzswitches, None)
if prev_transition_info is not None:
for (transition_time, transition_info) in tzswitches:
utc_offset, dst_offset, tz_name = transition_info
# utc-offset of the previous component
prev_utc_offset = prev_transition_info[0]
if prev_prev_component is not None and transition_info == prev_prev_transition_info:
# DST-change is the same as earlier; merge the components rather than creating a new one!
prev_prev_component.add('rdate', transition_time + prev_utc_offset)
# Swap prev_prev and prev components
temp_component = prev_component
prev_component = prev_prev_component
prev_prev_component = temp_component
else:
component = None
lst = None
is_dst = dst_offset.total_seconds() != 0
if is_dst:
component = icalendar.TimezoneDaylight()
lst = daylight
else:
component = icalendar.TimezoneStandard()
lst = standard
component.add('dtstart', transition_time + prev_utc_offset)
component.add('rdate', transition_time + prev_utc_offset)
component.add('tzoffsetfrom', prev_utc_offset)
component.add('tzoffsetto', utc_offset)
component.add('tzname', tz_name)
lst.append(component)
prev_prev_component = prev_component
prev_component = component
prev_prev_transition_info = prev_transition_info
prev_transition_info = transition_info
# Create timezone component, and add all standard/dst components to it
vtimezone = icalendar.Timezone(tzid=timezone)
for d in daylight:
vtimezone.add_component(d)
for s in standard:
vtimezone.add_component(s)
return vtimezone
def _vtimezone_without_dst(std, timezone):
vtimezone = icalendar.Timezone(tzid=timezone)
standard = icalendar.TimezoneStandard()
utc_offset, dst_offset, tz_name = std[1]
standard.add('dtstart', std[0])
standard.add('tzoffsetfrom', utc_offset)
standard.add('tzoffsetto', utc_offset)
standard.add('tzname', tz_name)
vtimezone.add_component(standard)
return vtimezone
def getIcal(name: str):
calt = icalendar.Calendar()
calt['version'] = '2.0'
calt['prodid'] = '-//Zxilly//JGSUCalender//CN'
calt['X-WR-TIMEZONE'] = 'Asia/Shanghai'
calt['X-WR-CALNAME'] = name
tz = icalendar.Timezone()
tz['tzid'] = 'Asia/Shanghai'
tzStandard = icalendar.TimezoneStandard()
tzStandard.add('X-LIC-LOCATION', 'Asia/Shanghai')
tzStandard.add('TZOFFSETFROM', timedelta(hours=8))
tzStandard.add('TZOFFSETTO', timedelta(hours=8))
tzStandard.add('TZNAME', 'CST')
tz.add_component(tzStandard)
calt.add_component(tz)
return calt
def _create_timezone_static(tz):
"""create an icalendar vtimezone from a pytz.tzinfo.StaticTzInfo
:param tz: the timezone
:type tz: pytz.tzinfo.StaticTzInfo
:returns: timezone information
:rtype: icalendar.Timezone()
"""
timezone = icalendar.Timezone()
timezone.add('TZID', tz)
subcomp = icalendar.TimezoneStandard()
subcomp.add('TZNAME', tz)
subcomp.add('DTSTART', dt.datetime(1601, 1, 1))
subcomp.add('RDATE', dt.datetime(1601, 1, 1))
subcomp.add('TZOFFSETTO', tz._utcoffset)
subcomp.add('TZOFFSETFROM', tz._utcoffset)
timezone.add_component(subcomp)
return timezone
def _calendar_header():
# generate ical file
calendar = icalendar.Calendar({
'PRODID':
'-//TechisBe//Berlin tech events//DE',
'METHOD':
'PUBLISH',
'VERSION':
'2.0',
'X-WR-CALNAME':
'TechisB - Berlin tech events via https://techisb.de',
'X-WR-TIMEZONE':
'Europe/Berlin',
'X-WR-CALDESC':
'All the relevant Berlin tech events in one calendar'
})
# Provide timezone info -
# see https://github.com/collective/icalendar/blob/master/src/icalendar/tests/test_timezoned.py#L50
tzc = icalendar.Timezone()
tzc.add('tzid', 'Europe/Berlin')
tzc.add('x-lic-location', 'Europe/Berlin')
tzs = icalendar.TimezoneStandard()
tzs.add('tzname', 'CET')
tzs.add('dtstart', datetime.datetime(1970, 10, 25, 3, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
tzs.add('TZOFFSETFROM', datetime.timedelta(hours=2))
tzs.add('TZOFFSETTO', datetime.timedelta(hours=1))
tzd = icalendar.TimezoneDaylight()
tzd.add('tzname', 'CEST')
tzd.add('dtstart', datetime.datetime(1970, 3, 29, 2, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '-1su'})
tzd.add('TZOFFSETFROM', datetime.timedelta(hours=1))
tzd.add('TZOFFSETTO', datetime.timedelta(hours=2))
tzc.add_component(tzs)
tzc.add_component(tzd)
calendar.add_component(tzc)
return calendar
def create_eastern_vtimezone():
tz = icalendar.Timezone()
tz.add('tzid', "US-Eastern")
tzs = icalendar.TimezoneStandard()
tzs.add('dtstart', datetime(1970, 10, 25, 3, 0, 0))
tzs.add('RRULE', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
tzs.add('TZOFFSETFROM', timedelta(hours=-4))
tzs.add('TZOFFSETTO', timedelta(hours=-5))
tzs.add('TZNAME', "EST")
tzd = icalendar.TimezoneDaylight()
tzd.add('dtstart', datetime(1970, 10, 25, 2, 0, 0))
tzd.add('RRULE', {'freq': 'yearly', 'bymonth': 4, 'byday': '1su'})
tzd.add('TZOFFSETFROM', timedelta(hours=-5))
tzd.add('TZOFFSETTO', timedelta(hours=-4))
tzd.add('TZNAME', "EDT")
tz.add_component(tzs)
tz.add_component(tzd)
return tz
def _create_timezone(self, tz):
"""
create an icalendar timezone from a pytz.tzinfo
:param tz: the timezone
:type tz: pytz.tzinfo
:returns: timezone information set
:rtype: icalendar.Timezone()
"""
timezone = icalendar.Timezone()
timezone.add('TZID', tz)
# FIXME should match year of the event, not this year
this_year = datetime.datetime.today().year
daylight, standard = [
(num, dt) for num, dt in enumerate(tz._utc_transition_times)
if dt.year == this_year
]
timezone_daylight = icalendar.TimezoneDaylight()
timezone_daylight.add('TZNAME', tz._transition_info[daylight[0]][2])
timezone_daylight.add('DTSTART', daylight[1])
timezone_daylight.add('TZOFFSETFROM',
tz._transition_info[daylight[0]][0])
timezone_daylight.add('TZOFFSETTO',
tz._transition_info[standard[0]][0])
timezone_standard = icalendar.TimezoneStandard()
timezone_standard.add('TZNAME', tz._transition_info[standard[0]][2])
timezone_standard.add('DTSTART', standard[1])
timezone_standard.add('TZOFFSETFROM',
tz._transition_info[standard[0]][0])
timezone_standard.add('TZOFFSETTO',
tz._transition_info[daylight[0]][0])
timezone.add_component(timezone_daylight)
timezone.add_component(timezone_standard)
return timezone
def initial(calendar):
calendar.add("METHOD", "PUBLISH")
calendar.add("VERSION", "2.0")
calendar.add("X-WR-CALNAME", "课程表")
calendar.add("PRODID", "-//Apple Inc.//Mac OS X 10.12//EN")
calendar.add("X-APPLE-CALENDAR-COLOR", "#FC4208")
calendar.add("X-WR-TIMEZONE", "Asia/Shanghai")
calendar.add("CALSCALE", "GREGORIAN")
# 创建Timezone对象
timezone = icalendar.Timezone()
timezone.add("TZID", "Asia/Shanghai")
# 创建TimezoneStandard对象
stander = icalendar.TimezoneStandard()
# 实现添加TZOFFSETFROM：+0900
stander.add("TZOFFSETFROM", timedelta(0.375))
# 添加RRULE:FREQ=YEARLY;UNTIL=19910914T150000Z;BYMONTH=9;BYDAY=3SU
arguements = {}
arguements["FREQ"] = "YEARLY"
arguements["UNTIL"] = datetime(1991, 9, 14, 15, 0, 0, tzinfo=UTC)
arguements["BYMONTH"] = "9"
arguements["BYDAY"] = "3SU"
stander.add("RRULE", arguements)
stander.add("DTSTART", datetime(1989, 9, 17, 0, 0, 0))
stander.add("TZNAME", "GMT+8")
# 实现添加TZOFFSETTO：+0800
stander.add("TZOFFSETTO", timedelta(1 / 3))
timezone.add_component(stander)
daylight = icalendar.TimezoneDaylight()
daylight.add("TZOFFSETFROM", timedelta(1 / 3))
daylight.add("DTSTART", datetime(1991, 4, 14, 0, 0, 0))
daylight.add("TZNAME", "GMT+8")
daylight.add("TZOFFSETTO", timedelta(0.375))
daylight.add("RDATE", datetime(1991, 4, 14, 0, 0, 0))
timezone.add_component(daylight)
calendar.add_component(timezone)
return calendar
pass
def generate_vtimezone(tzid):
"""
Generate a vtimezone from a timezone id.
See https://gist.github.com/pgcd/2f2e880e64044c1d86f8d50c0b6f235b.
"""
if not tzid: # UTC as a fallback doesn't work, since it has no transition info
return None
timezone = pytz.timezone(tzid)
now = datetime.datetime.now()
dst1, std1, dst2, std2 = filter(
lambda x: x[0].year in (now.year, now.year + 1),
zip(timezone._utc_transition_times, timezone._transition_info))
vtz = icalendar.Timezone(TZID=tzid)
tz_comp = icalendar.TimezoneDaylight()
utcoffset, _, tzname = dst1[1]
offsetfrom = std1[1][0]
tz_comp.add('dtstart', dst1[0] + offsetfrom)
tz_comp.add('rdate', dst1[0] + offsetfrom)
tz_comp.add('rdate', dst2[0] + offsetfrom)
tz_comp.add('tzoffsetfrom', offsetfrom)
tz_comp.add('tzoffsetto', utcoffset)
tz_comp.add('tzname', tzname)
vtz.add_component(tz_comp)
tz_comp = icalendar.TimezoneStandard()
utcoffset, _, tzname = std1[1]
offsetfrom = dst1[1][0]
tz_comp.add('dtstart', std1[0] + offsetfrom)
tz_comp.add('rdate', std1[0] + offsetfrom)
tz_comp.add('rdate', std2[0] + offsetfrom)
tz_comp.add('tzoffsetfrom', offsetfrom)
tz_comp.add('tzoffsetto', utcoffset)
tz_comp.add('tzname', tzname)
vtz.add_component(tz_comp)
return vtz
def _vtimezone_with_dst(dst1, std1, dst2, std2, timezone):
vtimezone = icalendar.Timezone(tzid=timezone)
daylight = icalendar.TimezoneDaylight()
utc_offset, _, tz_name = dst1[1]
offsetfrom = std1[1][0]
daylight.add('dtstart', dst1[0] + offsetfrom)
daylight.add('rdate', dst1[0] + offsetfrom)
daylight.add('rdate', dst2[0] + offsetfrom)
daylight.add('tzoffsetfrom', offsetfrom)
daylight.add('tzoffsetto', utc_offset)
daylight.add('tzname', tz_name)
vtimezone.add_component(daylight)
standard = icalendar.TimezoneStandard()
utc_offset, _, tz_name = std1[1]
offsetfrom = dst1[1][0]
standard.add('dtstart', std1[0] + offsetfrom)
standard.add('rdate', std1[0] + offsetfrom)
standard.add('rdate', std2[0] + offsetfrom)
standard.add('tzoffsetfrom', offsetfrom)
standard.add('tzoffsetto', utc_offset)
standard.add('tzname', tz_name)
vtimezone.add_component(standard)
return vtimezone
def create_ical(self, name, summary, description, location, count, st_hr,
st_mn, et_hr, et_mn, day, start_date):
""" Create iCal file with given values """
cal = ical.Calendar()
""" Add Timezone """
timezone = ical.Timezone()
timezone.add('TZID', pytz.timezone('US/Eastern'))
timezone_standard = ical.TimezoneStandard()
timezone_standard.add('DTSTART', dt.datetime(1601, 11, 4, 2, 0, 0))
timezone_standard.add('RRULE', {
'FREQ': 'YEARLY',
'BYDAY': '1SU',
'BYMONTH': '11'
})
timezone_standard.add('TZOFFSETFROM', dt.timedelta(hours=-4))
timezone_standard.add('TZOFFSETTO', dt.timedelta(hours=-5))
timezone_daylight = ical.TimezoneDaylight()
timezone_daylight.add('DTSTART', dt.datetime(1601, 3, 11, 2, 0, 0))
timezone_daylight.add('RRULE', {
'FREQ': 'YEARLY',
'BYDAY': '2SU',
'BYMONTH': '3'
})
timezone_daylight.add('TZOFFSETFROM', dt.timedelta(hours=-5))
timezone_daylight.add('TZOFFSETTO', dt.timedelta(hours=-4))
timezone.add_component(timezone_standard)
timezone.add_component(timezone_daylight)
cal.add_component(timezone)
""" Add Event"""
event = ical.Event()
event.add(
'DTSTART',
dt.datetime(2015,
9,
start_date,
st_hr,
st_mn,
0,
tzinfo=pytz.timezone('US/Eastern')))
event.add(
'DTEND',
dt.datetime(2015,
9,
start_date,
et_hr,
et_mn,
0,
tzinfo=pytz.timezone('US/Eastern')))
event.add('SUMMARY', summary)
event.add('DESCRIPTION', description)
event.add('LOCATION', location)
event.add('RRULE', {'FREQ': 'weekly', 'COUNT': count, 'BYDAY': day})
cal.add_component(event)
f = open(name, "wb")
f.write(cal.to_ical())
f.close()
def create_timezone(tz, first_date=None, last_date=None):
"""
create an icalendar vtimezone from a pytz.tzinfo object
:param tz: the timezone
:type tz: pytz.tzinfo
:param first_date: the very first datetime that needs to be included in the
transition times, typically the DTSTART value of the (first recurring)
event
:type first_date: datetime.datetime
:param last_date: the last datetime that needs to included, typically the
end of the (very last) event (of a recursion set)
:returns: timezone information
:rtype: icalendar.Timezone()
we currently have a problem here:
pytz.timezones only carry the absolute dates of time zone transitions,
not their RRULEs. This will a) make for rather bloated VTIMEZONE
components, especially for long recurring events, b) we'll need to
specify for which time range this VTIMEZONE should be generated and c)
will not be valid for recurring events that go into eternity.
Possible Solutions:
As this information is not provided by pytz at all, there is no
easy solution, we'd really need to ship another version of the OLSON DB.
"""
if isinstance(tz, pytz.tzinfo.StaticTzInfo):
return _create_timezone_static(tz)
# TODO last_date = None, recurring to infinity
first_date = dt.datetime.today() if not first_date else to_naive_utc(first_date)
last_date = dt.datetime.today() if not last_date else to_naive_utc(last_date)
timezone = icalendar.Timezone()
timezone.add('TZID', tz)
dst = {
one[2]: 'DST' in two.__repr__()
for one, two in iter(tz._tzinfos.items())
}
bst = {
one[2]: 'BST' in two.__repr__()
for one, two in iter(tz._tzinfos.items())
}
# looking for the first and last transition time we need to include
first_num, last_num = 0, len(tz._utc_transition_times) - 1
first_tt = tz._utc_transition_times[0]
last_tt = tz._utc_transition_times[-1]
for num, transtime in enumerate(tz._utc_transition_times):
if transtime > first_tt and transtime < first_date:
first_num = num
first_tt = transtime
if transtime < last_tt and transtime > last_date:
last_num = num
last_tt = transtime
timezones = dict()
for num in range(first_num, last_num + 1):
name = tz._transition_info[num][2]
if name in timezones:
ttime = tz.fromutc(tz._utc_transition_times[num]).replace(tzinfo=None)
if 'RDATE' in timezones[name]:
timezones[name]['RDATE'].dts.append(
icalendar.prop.vDDDTypes(ttime))
else:
timezones[name].add('RDATE', ttime)
continue
if dst[name] or bst[name]:
subcomp = icalendar.TimezoneDaylight()
else:
subcomp = icalendar.TimezoneStandard()
subcomp.add('TZNAME', tz._transition_info[num][2])
subcomp.add(
'DTSTART',
tz.fromutc(tz._utc_transition_times[num]).replace(tzinfo=None))
subcomp.add('TZOFFSETTO', tz._transition_info[num][0])
subcomp.add('TZOFFSETFROM', tz._transition_info[num - 1][0])
timezones[name] = subcomp
for subcomp in timezones.values():
timezone.add_component(subcomp)
return timezone
def get_calendar(schedules, cal, cal_name):
# calendar metadata
if cal is None:
cal = Calendar()
cal.add('prodid', '-//Uni Hannover//Room ICal Calendar//DE')
cal.add('X-WR-CALNAME', vText(schedules[0].room_name))
cal.add('X-WR-TIMEZONE', 'Europe/Berlin')
cal.add('version', '2.0')
cal.add('calscale', 'GREGORIAN')
cal.add('method', 'PUBLISH')
tzc = icalendar.Timezone()
tzc.add('tzid', 'Europe/Berlin')
tzc.add('x-lic-location', 'Europe/Berlin')
tzs = icalendar.TimezoneStandard()
tzs.add('tzname', 'CET')
tzs.add('dtstart', datetime(1970, 10, 25, 3, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
tzs.add('TZOFFSETFROM', timedelta(hours=2))
tzs.add('TZOFFSETTO', timedelta(hours=1))
tzd = icalendar.TimezoneDaylight()
tzd.add('tzname', 'CEST')
tzd.add('dtstart', datetime(1970, 3, 29, 2, 0, 0))
tzd.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '-1su'})
tzd.add('TZOFFSETFROM', timedelta(hours=1))
tzd.add('TZOFFSETTO', timedelta(hours=2))
tzc.add_component(tzs)
tzc.add_component(tzd)
cal.add_component(tzc)
#=======================================================================
#=======================================================================
# cal.add('BEGIN','VTIMEZONE')
# cal.add('TZID','Europe/Berlin')
# cal.add('X-LIC-LOCATION','Europe/Berlin')
# cal.add('BEGIN','DAYLIGHT')
# cal.add('TZOFFSETFROM',timedelta(hours=1))
# cal.add('TZOFFSETTO',timedelta(hours=2))
# cal.add('TZNAME','CEST')
# cal.add('DTSTART',datetime(1970, 3, 29, 2, 0, 0))
# cal.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '-1su'})
# cal.add('END','DAYLIGHT')
# cal.add('BEGIN','STANDARD')
# cal.add('TZOFFSETFROM',timedelta(hours=2))
# cal.add('TZOFFSETTO',timedelta(hours=1))
# cal.add('TZNAME','CEST')
# cal.add('DTSTART',datetime(1970,10,25, 3, 0, 0))
# cal.add('rrule', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
# cal.add('END','STANDARD')
# cal.add('END','VTIMEZONE')
#=======================================================================
#=======================================================================
for schedule in schedules:
for reservation in schedule.reservations:
event = Event()
event.add('summary', reservation["title"])
event.add('dtstart', reservation["start"])
event.add('dtend', reservation["end"])
event.add('url', reservation["href"])
event['location'] = vText(schedule.room_name)
cal.add_component(event)
return cal
def siakng_ics():
if request.method == 'GET':
return render_template('index.html')
try:
raw = request.form.get('tabel-jadwal')
raw = raw[raw.index(prefix):raw.index(suffix) + len(suffix)]
raw = raw.replace('<br>', delimiter)
rows = pandas.read_html(raw)[0].to_dict('records')
cal = icalendar.Calendar()
cal.add('prodid', 'PRODID:-//faisalhanif.id//NONSGML SIAKNG.ics//ID')
cal.add('version', '2.0')
tzc = icalendar.Timezone()
tzc.add('tzid', 'Asia/Jakarta')
tzc.add('x-lic-location', 'Asia/Jakarta')
tzs = icalendar.TimezoneStandard()
tzs.add('tzname', 'WIB')
tzs.add('dtstart', datetime.datetime(1970, 1, 1, 0, 0, 0))
tzs.add('TZOFFSETFROM', datetime.timedelta(hours=7))
tzs.add('TZOFFSETTO', datetime.timedelta(hours=7))
tzc.add_component(tzs)
cal.add_component(tzc)
tz = pytz.timezone('Asia/Jakarta')
for row in rows:
row = list(row.values())
periode_raw = row[4]
kelas_raw = row[2]
jadwal_raw = row[5]
ruangan_raw = row[6]
periodes = periode_raw.split(delimiter)
kelas = kelas_raw[:kelas_raw.index(delimiter)]
jadwals = jadwal_raw.split(delimiter)
ruangans = ruangan_raw.split(delimiter)
assert len(periodes) == len(jadwals) == len(ruangans)
for periode, jadwal, ruangan in zip(periodes, jadwals, ruangans):
event = icalendar.Event()
jadwal_by, jadwal = jadwal.split(', ')
periode_op, periode_ed = periode.split(' - ')
op, ed = [
datetime.datetime.strptime(periode_op + ' ' + jam,
'%d/%m/%Y %H.%M')
for jam in jadwal.split('-')
]
op = onDay(op, days_i[jadwal_by])
ed = onDay(ed, days_i[jadwal_by])
true_ed = datetime.datetime.strptime(
periode_ed + ' ' + '23.59.59', '%d/%m/%Y %H.%M.%S')
event.add('dtstart', tz.localize(op))
event.add('dtend', tz.localize(ed))
event.add('dtstamp', tz.localize(datetime.datetime.today()))
event.add('rrule', {'freq': 'weekly', 'until': true_ed})
event.add('summary', kelas)
event.add('location', ruangan)
status = request.form.get('status')
event.add('status', status_s[status])
event_hash = hashlib.sha1(
(kelas + str(op)).encode()).hexdigest()
event.add('uid', uuid.uuid5(uuid.NAMESPACE_URL, event_hash))
cal.add_component(event)
return Response(
cal.to_ical(),
mimetype='text/calendar',
headers={'Content-disposition': 'attachment; filename=SIAKNG.ics'})
except:
return Response(
'ERROR',
mimetype='text/plain',
headers={'Content-disposition': 'attachment; filename=ERROR'})
tzd = icalendar.TimezoneDaylight()
tzd.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '2su'})
tzd.add('dtstart', datetime.datetime(2007, 3, 11, 2, 0, 0))
tzd.add('tzname', 'MDT')
tzd.add('TZOFFSETFROM', datetime.timedelta(hours=-7))
tzd.add('TZOFFSETTO', datetime.timedelta(hours=-6))
tzs = icalendar.TimezoneStandard()
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 11, 'byday': '1su'})
tzs.add('dtstart', datetime.datetime(2007, 11, 4, 2, 0, 0))
tzs.add('tzname', 'MST')
tzs.add('TZOFFSETFROM', datetime.timedelta(hours=-6))
tzs.add('TZOFFSETTO', datetime.timedelta(hours=-7))
tzc = icalendar.Timezone()
tzc.add('tzid', 'America/Denver')
tzc.add_component(tzd)
tzc.add_component(tzs)
cal.add_component(tzc)
tz = pytz.timezone('America/Denver')
event = Event()
event.add('dtstart', tz.localize(datetime.datetime(2018, 1, 13, 10, 00, 00)))
event.add('dtend', tz.localize(datetime.datetime(2018, 1, 13, 11, 15, 00)))
event.add('dtstamp', tz.localize(datetime.datetime(2018, 1, 9, 6, 27, 00)))
event.add('created', tz.localize(datetime.datetime(2018, 1, 9, 6, 27, 00)))
event.add('description', 'Description is really cool!')
event.add('comment', 'Commentary about this event is that it\'s the bomb!')
def test_create_to_ical(self):
cal = icalendar.Calendar()
cal.add('prodid', u"-//Plone.org//NONSGML plone.app.event//EN")
cal.add('version', u"2.0")
cal.add('x-wr-calname', u"test create calendar")
cal.add('x-wr-caldesc', u"icalendar tests")
cal.add('x-wr-relcalid', u"12345")
cal.add('x-wr-timezone', u"Europe/Vienna")
tzc = icalendar.Timezone()
tzc.add('tzid', 'Europe/Vienna')
tzc.add('x-lic-location', 'Europe/Vienna')
tzs = icalendar.TimezoneStandard()
tzs.add('tzname', 'CET')
tzs.add('dtstart', datetime.datetime(1970, 10, 25, 3, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
tzs.add('TZOFFSETFROM', datetime.timedelta(hours=2))
tzs.add('TZOFFSETTO', datetime.timedelta(hours=1))
tzd = icalendar.TimezoneDaylight()
tzd.add('tzname', 'CEST')
tzd.add('dtstart', datetime.datetime(1970, 3, 29, 2, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '-1su'})
tzd.add('TZOFFSETFROM', datetime.timedelta(hours=1))
tzd.add('TZOFFSETTO', datetime.timedelta(hours=2))
tzc.add_component(tzs)
tzc.add_component(tzd)
cal.add_component(tzc)
event = icalendar.Event()
tz = pytz.timezone("Europe/Vienna")
event.add(
'dtstart',
tz.localize(datetime.datetime(2012, 2, 13, 10, 00, 00)))
event.add(
'dtend',
tz.localize(datetime.datetime(2012, 2, 17, 18, 00, 00)))
event.add(
'dtstamp',
tz.localize(datetime.datetime(2010, 10, 10, 10, 10, 10)))
event.add(
'created',
tz.localize(datetime.datetime(2010, 10, 10, 10, 10, 10)))
event.add('uid', u'123456')
event.add(
'last-modified',
tz.localize(datetime.datetime(2010, 10, 10, 10, 10, 10)))
event.add('summary', u'artsprint 2012')
# event.add('rrule', u'FREQ=YEARLY;INTERVAL=1;COUNT=10')
event.add('description', u'sprinting at the artsprint')
event.add('location', u'aka bild, wien')
event.add('categories', u'first subject')
event.add('categories', u'second subject')
event.add('attendee', u'häns')
event.add('attendee', u'franz')
event.add('attendee', u'sepp')
event.add('contact', u'Max Mustermann, 1010 Wien')
event.add('url', u'http://plone.org')
cal.add_component(event)
test_out = b'|'.join(cal.to_ical().splitlines())
test_out = test_out.decode('utf-8')
vtimezone_lines = "BEGIN:VTIMEZONE|TZID:Europe/Vienna|X-LIC-LOCATION:"
"Europe/Vienna|BEGIN:STANDARD|DTSTART;VALUE=DATE-TIME:19701025T03"
"0000|RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10|RRULE:FREQ=YEARLY;B"
"YDAY=-1SU;BYMONTH=3|TZNAME:CET|TZOFFSETFROM:+0200|TZOFFSETTO:+01"
"00|END:STANDARD|BEGIN:DAYLIGHT|DTSTART;VALUE=DATE-TIME:19700329T"
"020000|TZNAME:CEST|TZOFFSETFROM:+0100|TZOFFSETTO:+0200|END:DAYLI"
"GHT|END:VTIMEZONE"
self.assertTrue(vtimezone_lines in test_out)
test_str = "DTSTART;TZID=Europe/Vienna;VALUE=DATE-TIME:20120213T100000"
self.assertTrue(test_str in test_out)
self.assertTrue("ATTENDEE:sepp" in test_out)
# ical standard expects DTSTAMP and CREATED in UTC
self.assertTrue("DTSTAMP;VALUE=DATE-TIME:20101010T081010Z" in test_out)
self.assertTrue("CREATED;VALUE=DATE-TIME:20101010T081010Z" in test_out)
tz_d = icalendar.TimezoneDaylight()
tz_d.add('tzname', 'CEST')
tz_d.add('tzoffsetfrom', timedelta(hours=1))
tz_d.add('tzoffsetto', timedelta(hours=2))
tz_d.add('dtstart', datetime(1970, 3, 29, 2, 0, 0))
tz_d.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '-1su'})
tz_s = icalendar.TimezoneStandard()
tz_s.add('tzname', 'CET')
tz_s.add('tzoffsetfrom', timedelta(hours=2))
tz_s.add('tzoffsetto', timedelta(hours=1))
tz_s.add('dtstart', datetime(1970, 10, 25, 3, 0, 0))
tz_s.add('rrule', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
tz = icalendar.Timezone()
tz.add('tzid', TZ_ES.zone)
tz.add('tzurl', f'http://tzurl.org/zoneinfo-outlook/{TZ_ES.zone}')
tz.add('x-lic-location', TZ_ES.zone)
tz.add_component(tz_d)
tz.add_component(tz_s)
for lang in LANGS:
preparty = icalendar.Event()
preparty.add('summary', strings['calendar_preparty'][lang])
preparty.add('dtstart', datetime(2021, 7, 9, 20, 0, 0, tzinfo=TZ_ES))
preparty.add('dtend', datetime(2021, 7, 10, 2, 0, 0, tzinfo=TZ_ES))
preparty.add('url', urllib.parse.quote(PREPARTY_URL, safe=''))
preparty.add('location', PREPARTY_ADDR)
preparty.add('description',
f'{PREPARTY_URL}\n\n{PREPARTY_ADDR}\n\n{PREPARTY_MAP}')
def get_calendar_entry(self):
"""
Build the iCalendar string for the event
iCal validator, useful for debugging: http://icalvalid.cloudapp.net/
"""
event = self.event
event_tz = event.timezone
creation_time = django_timezone.now()
# Generate some description strings
title, desc_plain, _desc_html = self.get_invite_texts()
# Generate the Calendar event
cal = icalendar.Calendar()
cal.add("prodid", "-//OneEvent event entry//onevent//EN")
cal.add("version", "2.0")
cal.add("calscale", "GREGORIAN")
cal.add("method", "REQUEST")
# Generate timezone infos relevant to the event
tzmap = {}
tzmap = add_to_zones_map(tzmap, event_tz.zone, event.start)
tzmap = add_to_zones_map(tzmap, event_tz.zone, event.get_real_end())
tzmap = add_to_zones_map(tzmap,
django_timezone.get_default_timezone_name(),
creation_time)
for tzid, transitions in tzmap.items():
cal_tz = icalendar.Timezone()
cal_tz.add("tzid", tzid)
cal_tz.add("x-lic-location", tzid)
for transition, tzinfo in transitions.items():
if tzinfo["dst"]:
cal_tz_sub = icalendar.TimezoneDaylight()
else:
cal_tz_sub = icalendar.TimezoneStandard()
cal_tz_sub.add("tzname", tzinfo["name"])
cal_tz_sub.add("dtstart", transition)
cal_tz_sub.add("tzoffsetfrom", tzinfo["tzoffsetfrom"])
cal_tz_sub.add("tzoffsetto", tzinfo["tzoffsetto"])
cal_tz.add_component(cal_tz_sub)
cal.add_component(cal_tz)
cal_evt = icalendar.Event()
cal_evt.add("uid",
"event{0}-booking{1}@oneevent".format(event.id, self.id))
cal_evt.add("dtstamp", creation_time)
cal_evt.add("dtstart", event.start.astimezone(event_tz))
cal_evt.add("dtend", event.get_real_end().astimezone(event_tz))
cal_evt.add("created", creation_time)
cal_evt.add("sequence", "1")
cal_evt.add("summary", title)
cal_evt.add("description", desc_plain)
cal_evt.add("location", vText(event.location_name))
cal_evt.add("category", "Event")
cal_evt.add("status", "CONFIRMED")
cal_evt.add("transp", "OPAQUE")
cal_evt.add("priority", "5")
cal_evt.add("class", "PUBLIC")
organiser = vCalAddress("mailto:{0}".format(event.owner.email))
organiser.params["cn"] = vText(event.owner.get_full_name())
organiser.params["role"] = vText("CHAIR")
cal_evt.add("organizer", organiser, encode=0)
attendee = vCalAddress("mailto:{0}".format(self.person.email))
attendee.params["cutype"] = vText("INDIVIDUAL")
attendee.params["role"] = vText("REQ-PARTICIPANT")
attendee.params["partstat"] = vText("NEEDS-ACTION")
attendee.params["rsvp"] = vText("FALSE")
attendee.params["cn"] = vText(self.person.get_full_name())
cal_evt.add("attendee", attendee, encode=0)
cal.add_component(cal_evt)
return cal.to_ical()