def generate(dates, output_filename, *, name=None, description=None, uid=None):
c = ical.Calendar()
c.add("prodid", "-//electioncal.us generator//circuitpython.org//")
c.add("version", "2.0")
path_parts = output_filename.split("/")
c.add(
"url",
ical.vUri("https://electioncal.us/" + "/".join(path_parts[1:-1]) +
"/"))
c.add("source",
ical.vUri("https://electioncal.us/" + "/".join(path_parts[1:])))
# c.add('REFRESH-INTERVAL'VALUE=DURATION:P1W, value)
if name:
c.add("name", name)
if description:
c.add("description", description)
if uid:
c.add("uid", uid)
last_modified = None
for date in dates:
event = ical.Event()
event.add("summary", date["name"])
event.add("dtstart", ical.vDate(date["date"]))
c.add_component(event)
if description:
c.add("last-modified", ical.vDate(date["date"]))
with open(output_filename, "wb") as f:
f.write(c.to_ical())
def export_ical(events):
cal = Calendar()
site = Site.objects.get_current()
cal.add('prodid', '-//%s Events Calendar//%s//' % (site.name, site.domain))
cal.add('version', '2.0')
site_token = site.domain.split('.')
site_token.reverse()
site_token = '.'.join(site_token)
for event in events:
ical_event = Event()
ical_event.add('summary', event.title)
ical_event.add('description', event.body)
ical_event.add('dtstart', event.start_datetime)
ical_event.add('dtend', event.end_datetime)
ical_event.add('dtstamp', event.end_datetime)
ical_event.add('url', vUri('http://' + site.domain + event.get_absolute_url()))
ical_event['location'] = vText(event.location)
ical_event['uid'] = '%d.event.events.%s' % (event.id, site_token)
cal.add_component(ical_event)
return cal
def generate_ical_event(event, now):
cal_event = Event()
cal_event.add('DTSTAMP', vDatetime(now))
cal_event.add('SEQUENCE', 0)
cal_event.add('UID', 'event_{}@foss.events'.format(event['id']))
cal_event.add('summary', event['label'])
cal_event.add('dtstart', vDate(event['start_date']))
cal_end_date = event['end_date'] + timedelta(days=1)
cal_event.add('dtend', vDate(cal_end_date))
cal_event.add('location', event['readable_location'])
cal_event.add('url', vUri(event['abs_details_url']))
description = event['description'] or ''
description += '\n\n'
if event['has_details']:
description += 'Read everything about ' + event['label'] + ' in a nutshell on // foss.events: ' + event['abs_details_url'] + '\n\n'
description += 'Official Homepage: ' + event['homepage'] + '\n\n'
if event['osm_link']:
description += 'Find your way: ' + event['osm_link'] + '\n'
cal_event['description'] = remove_tags(description)
if event['lat'] and event['lon']:
cal_event['geo'] = vGeo([event['lat'], event['lon']])
return cal_event
def make_event(title, date, location, link, speaker):
"""Make an iCal `Event` object from the colloquium details."""
event = Event()
event.add('summary', title)
event.add('dtstart', date)
event.add('dtend', date + timedelta(minutes=COLLOQ_LENGTH))
event['location'] = vText(location)
event['uid'] = link
event['description'] = vText(speaker or 'Colloquium')
event['URL'] = vUri(link)
return event
def show_calendarevent_ics_view(context, request):
from icalendar import Calendar
from icalendar import Event
from icalendar import vUri
from webob import Response
calendar = Calendar()
calendar.add('prodid', '-//KARL3//Event//')
calendar.add('version', '2.0')
calendar.add('method', 'PUBLISH')
event = Event()
event['uid'] = '%s:%s' % (context.__parent__.__parent__.__name__,
context.docid)
event.add('summary', context.title)
if context.description:
event.add('description', context.description)
if context.location:
event.add('location', context.location)
event.add('dtstamp', context.modified)
event.add('last-modified', context.modified)
event.add('created', context.created)
event.add('dtstart', context.startDate)
event.add('dtend', context.endDate)
contacts = []
if context.contact_name:
contacts.append(context.contact_name)
if context.contact_email:
contacts.append(context.contact_email)
if contacts:
event.add('contact', ', '.join(contacts))
for name in context.attendees:
if isinstance(name, unicode):
name = name.encode('UTF-8')
event.add('attendee', name)
for f in context['attachments'].values():
attachment = vUri(model_url(f, request))
attachment.params['fmttype'] = f.mimetype
event.add('attach', attachment)
calendar.add_component(event)
return Response(body=calendar.as_string(),
content_type='text/calendar',
charset='UTF8',
)
def main(*, args):
params = docopt.docopt(
doc=__doc__.format(
prog=__prog__,
),
argv=args,
help=True,
version=__version__,
options_first=False,
)
assert params.pop("--help") == False
assert params.pop("--version") == False
dtstart = parse_dt(params.pop("START_DT_WITH_TIMEZONE"))
dtend = parse_dt(params.pop("END_DT_WITH_TIMEZONE"))
summary = params.pop("--summary") or "Event"
description = params.pop("--description") or f"Generated By: {__product__}"
url = params.pop("--url")
attachments = params.pop("--attachment")
output_path = params.pop("--output")
assert not params, params
print("Summary: {}" .format(summary))
print("Start: {:%c %z}".format(dtstart))
print("End: {:%c %z}".format(dtend))
print("Duration: {}" .format(dtend - dtstart))
print("Description: {}" .format(description))
print(file=sys.stderr)
event = icalendar.Event()
event.add("SUMMARY", icalendar.vText(summary))
event.add("DESCRIPTION", icalendar.vText(description))
event.add("DTSTART", icalendar.vDatetime(dtstart))
event.add("DTEND", icalendar.vDatetime(dtend))
if url is not None:
event.add("URL", icalendar.vUri(url))
for path in attachments:
add_attachment_to_calendar_event(event, path)
calendar = icalendar.Calendar()
#TODO:vruyr:bugs Verify with the standard.
calendar.add("PRODID", f"-//{__product__}//vruyr.com//EN")
calendar.add("VERSION", "2.0")
calendar.add_component(event)
with open(output_path, "wb") as fo:
fo.write(calendar.to_ical())
def course_to_event(course):
"""Convert a Course into a icalendar event.
:param course: a :class:`tradeschool.models.Course` to export as an Event
:returns: :class:`icalendar.Event`
"""
return Event(**{
'uid': vText(_build_uid_for_course(course)),
'created': vDatetime(course.created),
'description': vText(course.description),
'dtstart': vDatetime(course.start_time),
'dtend': vDatetime(course.end_time),
'last-mod': vDatetime(course.updated),
'dtstamp': vDatetime(datetime.datetime.now()),
'location': vText(_build_location_for_venue(course.venue)),
'summary': vText(course.title),
'url': vUri(course.course_view_url),
})
def gen_calendar_data(events):
c = Calendar()
c.add("prodid",
"-//Morton Feldman Forthcoming Performances//notimportant.org//")
c.add("version", "2.0")
c.add("X-WR-CALNAME", "Morton Feldman Forthcoming Performances")
c.add("x-original-url", "http://feldman.notimportant.org/")
c.add("method", "PUBLISH")
for event in events:
e = Event()
e.add("summary", "Morton Feldman: %s" % event["venue"])
e.add("location", event["location"])
e.add("dtstart", event["date"].date())
e.add("url", vUri(event["source"]))
e.add("uid", event["uid"])
e.add("description", get_event_desc(event))
c.add_component(e)
return c
def generate_event_ical_files(events):
for event in events:
cal = Calendar()
cal.add('prodid', '-//foss.events//foss.events//')
cal.add('version', '1.3.3.7')
cal_event = Event()
cal_event.add('summary', event['label'])
cal_event.add('dtstart', vDate(event['start_date']))
cal_end_date = event['end_date'] + timedelta(days=1)
cal_event.add('dtend', vDate(cal_end_date))
cal_event.add('location', event['readable_location'])
cal_event.add('url', vUri(event['abs_details_url']))
description = event['description'] or ''
description += '\n\n'
if event['has_details']:
description += 'Read everything about ' + event[
'label'] + ' in a nutshell on // foss.events: ' + event[
'abs_details_url'] + '\n\n'
description += 'Official Homepage: ' + event['homepage'] + '\n\n'
if event['osm_link']:
description += 'Find your way: ' + event['osm_link'] + '\n'
cal_event['description'] = remove_tags(description)
cal.add_component(cal_event)
if event['lat'] and event['lon']:
cal_event['geo'] = vGeo([event['lat'], event['lon']])
filepath = generate_event_ical_path(event)
with open('build/' + filepath, 'wb') as f:
f.write(cal.to_ical())
def create_ical_entry (e, request):
event = icalendar.Event()
# TODO should we generate an UUID when creating the event?
uid = u'*****@*****.**' % (str(e.id))
event['uid'] = icalendar.vText(uid)
event['dtstamp'] = icalendar.vDatetime(datetime.utcnow())
# The sequence field must be incremented each time the event is modifed.
# The trick here is to subtract the create TS from the modify TS and
# use the difference as sequence.
sequence = 0
if e.date_time_created and e.date_time_modified:
createTimestamp = time.mktime(e.get_date_time_created_utc().timetuple())
modifyTimestamp = time.mktime(e.get_date_time_modified_utc().timetuple())
sequence = modifyTimestamp - createTimestamp
event['sequence'] = icalendar.vInt(sequence) + 1
# created and last-modified
if e.date_time_created:
event['created'] = icalendar.vDatetime(e.get_date_time_created_utc())
if e.date_time_modified:
event['last-modified'] = icalendar.vDatetime(e.get_date_time_modified_utc())
# TENTATIVE, CONFIRMED, CANCELLED
if e.canceled:
event['status'] = icalendar.vText(u'CANCELLED')
else:
event['status'] = icalendar.vText(u'CONFIRMED')
relative_url = e.get_absolute_url()
absolute_url = request.build_absolute_uri(relative_url)
event['url'] = icalendar.vUri(absolute_url)
if e.title:
event['summary'] = icalendar.vText(e.title)
description = u''
if e.description:
description += e.description
if e.url:
if len(description) > 0:
description += u'\n\n'
description += u'Event Webseite: ' + e.url
if len(description) > 0:
description += u'\n\n'
description += u'Event bei Techism: ' + absolute_url
event['description'] = icalendar.vText(description)
if e.date_time_begin:
event['dtstart'] = icalendar.vDatetime(e.get_date_time_begin_utc())
if e.date_time_end:
event['dtend'] = icalendar.vDatetime(e.get_date_time_end_utc())
# geo value isn't used by iCal readers :-(
# maybe a trick is to add the geo coordinates to the location field using the following format:
# $latitude, $longitude ($name, $street, $city)
if e.location:
location = u'%s, %s, %s' % (e.location.name, e.location.street, e.location.city)
event['location'] = icalendar.vText(location)
if e.location and e.location.latitude and e.location.longitude:
event['geo'] = icalendar.vGeo((e.location.latitude, e.location.longitude))
return event
def main():
with open('_data/routes.yml') as f:
routes = yaml.load(f)
with open('_data/schedule.yml') as f:
sched = yaml.load(f)
def lkup(uid):
for r in routes:
if r['id'] == uid:
return r
def dtstart(date, phase):
time = datetime.strptime(phase['time'], '%H:%M')
return datetime(date.year,
date.month,
date.day,
time.hour,
time.minute,
0,
0,
tzinfo=pytz.timezone('America/Los_Angeles'))
# ics timestamps must be utc
now = datetime.now(pytz.utc)
# NOTE: assumes events back-to-back on single day
things = []
for run in sched:
date = datetime.strptime(run['date'], '%Y-%m-%d')
phases = run['plan']
if 'cancelled' in run.keys():
continue
for i in range(len(phases)):
phase = phases[i]
if 'cancelled' in phase.keys():
continue
if 'route_id' in phase.keys():
route = lkup(phase['route_id'])
else:
route = phase['route']
name = route['name']
gmap = route['map'] if 'map' in route else ''
dist = route['dist'] if 'dist' in route else None
event_name = f'{name} ({dist})' if dist else name
start = dtstart(date, phase)
if i < len(phases) - 1:
end = dtstart(date, phases[i + 1])
else:
delta = timedelta(0, 10 * 60 * round(dist if dist else 3))
end = start + delta
uid = str(start) + '@raceconditionrunning.com'
uid = uid.strip(' :-,;')
things.append({
'summary': event_name,
'dtstart': start,
'dtend': end,
'description': gmap,
'dtstamp': now,
'uid': uid
})
# add brunch after other phases
if i == len(phases) - 1 and dist > 0:
bstart = end
bend = bstart + timedelta(0, 90 * 60)
buid = str(bstart) + '@raceconditionrunning.com'
buid = buid.strip(' :-,;')
things.append({
'summary': 'Brunch',
'dtstart': bstart,
'dtend': bend,
'description': 'Post-run brunch!',
'dtstamp': now,
'uid': buid
})
# add Tuesday and Thursday runs
def previous_tuesday(datetime_date):
while datetime_date.weekday() != 1:
datetime_date -= timedelta(1)
return datetime_date
first_run = min(
[datetime.strptime(r['date'], '%Y-%m-%d').date() for r in sched])
start = min(previous_tuesday(datetime.today().date()),
previous_tuesday(first_run))
start = dtstart(start, {'time': '16:40'})
end = start + timedelta(0, 60 * 60)
uid = '*****@*****.**'
things.append({
'summary': 'Short Run',
'dtstart': start,
'dtend': end,
'location': 'Meet outside CSE 2',
'description':
'Usually 4 miles on Tuesday, 2 miles on Wednesday, and 6 miles on Thursday.',
'dtstamp': now,
'uid': uid,
'rrule': {
'FREQ': 'WEEKLY',
'BYDAY': ['TU', 'WE', 'TH']
}
})
cal = Calendar()
for (k, v) in calHeader:
if v.startswith('http'):
cal.add(k, vUri(v))
else:
cal.add(k, vText(v))
for x in things:
e = Event()
for k, v in x.items():
if isinstance(v, datetime):
e.add(k, vDatetime(v))
elif isinstance(v, str) and v.startswith('http'):
e.add(k, vUri(v))
elif k.lower() == 'rrule': # XXX: ugly hack
e.add(k, v)
else:
e.add(k, vText(v))
cal.add_component(e)
with open('rcc.ics', 'wb') as f:
f.write(cal.to_ical())
def new_event(locale,
dtstart=None,
dtend=None,
summary=None,
timezone=None,
allday=False,
description=None,
location=None,
categories=None,
repeat=None,
until=None,
alarms=None,
url=None):
"""create a new event
:param dtstart: starttime of that event
:type dtstart: datetime
:param dtend: end time of that event, if this is a *date*, this value is
interpreted as being the last date the event is scheduled on, i.e.
the VEVENT DTEND will be *one day later*
:type dtend: datetime
:param summary: description of the event, used in the SUMMARY property
:type summary: unicode
:param timezone: timezone of the event (start and end)
:type timezone: pytz.timezone
:param allday: if set to True, we will not transform dtstart and dtend to
datetime
:type allday: bool
:param url: url of the event
:type url: string
:returns: event
:rtype: icalendar.Event
"""
if dtstart is None:
raise ValueError("no start given")
if dtend is None:
raise ValueError("no end given")
if summary is None:
raise ValueError("no summary given")
if not allday and timezone is not None:
dtstart = timezone.localize(dtstart)
dtend = timezone.localize(dtend)
event = icalendar.Event()
event.add('dtstart', dtstart)
event.add('dtend', dtend)
event.add('dtstamp', dt.datetime.now())
event.add('summary', summary)
event.add('uid', generate_random_uid())
# event.add('sequence', 0)
if description:
event.add('description', description)
if location:
event.add('location', location)
if categories:
event.add('categories', categories)
if url:
event.add('url', icalendar.vUri(url))
if repeat and repeat != "none":
rrule = rrulefstr(repeat, until, locale, dtstart.tzinfo)
event.add('rrule', rrule)
if alarms:
for alarm in alarms.split(","):
alarm = alarm.strip()
alarm_trig = -1 * guesstimedeltafstr(alarm)
new_alarm = icalendar.Alarm()
new_alarm.add('ACTION', 'DISPLAY')
new_alarm.add('TRIGGER', alarm_trig)
new_alarm.add('DESCRIPTION', description)
event.add_component(new_alarm)
return event
def make_ical(data, lang, old):
caldata = TranslatedMap(data['calendar'], lang=lang)
cal = Calendar()
cal.add('prodid', 'yamlical.py')
cal.add('version', '2.0')
cal.add('method', 'PUBLISH')
if 'name' in caldata:
cal.add('name', caldata['name'])
cal.add('x-wr-calname', caldata['name'])
if 'description' in caldata:
cal.add('description', caldata['description'])
cal.add('x-wr-caldesc', caldata['description'])
if 'url' in caldata:
cal.add('url', caldata['url'])
if 'published' in caldata:
pubdata = TranslatedMap(caldata['published'], lang=lang)
url = vUri(pubdata['url'])
url.params['value'] = 'URI'
cal.add('source', url)
# Todo: make this come from calendar.published.refresh_interval.
refresh_interval = vDuration(timedelta(days=1))
refresh_interval.params['VALUE'] = 'DURATION'
cal.add('x-published-ttl', refresh_interval)
cal.add('refresh-interval', refresh_interval)
add_timezone(cal)
if 'organizer' in caldata:
organizer = vCalAddress(caldata['organizer']['uri'])
organizer.params['cn'] = vText(caldata['organizer']['cn'])
else:
organizer = None
for evdata_raw in data['events']:
evdata = TranslatedMap(evdata_raw, lang=lang)
if 'overlay' in evdata:
apply_overlay(evdata, TranslatedMap(evdata['overlay'], lang=lang))
end = None # default if not specified
if 'date' in evdata:
# Calculate the start and end timestamps from time/endtime.
date = arrow.get(evdata['date'], DATE_FORMATS).date()
a_start = arrow.get(evdata['time'], TIME_FORMATS)
start = datetime.combine(date, a_start.time())
if 'endtime' in evdata:
a_end = arrow.get(evdata['endtime'], TIME_FORMATS)
end = datetime.combine(date, a_end.time())
else:
start = arrow.get(evdata['start'], DT_FORMATS)
if 'end' in evdata:
end = arrow.get(evdata['end'], DT_FORMATS)
event = Event()
uid = evdata.setdefault('uid', make_uid()) # Add uid if needed.
event.add('uid', uid)
event.add('dtstart', dt_ical(start))
if end: event.add('dtend', dt_ical(end))
event.add('summary', apply_template(evdata, 'title'))
if 'location' in evdata:
event.add('location', apply_template(evdata, 'location'))
if 'url' in evdata:
event.add('url', apply_template(evdata, 'url'))
if 'description' in evdata:
event.add('description', apply_template(evdata, 'description'))
if organizer:
event.add('organizer', organizer)
if evdata.get('cancelled', False):
event.add('status', 'CANCELLED')
if old and uid in old and events_equal(event, old[uid]):
event['DTSTAMP'] = old[uid]['DTSTAMP']
else:
event.add('dtstamp', datetime.utcnow())
cal.add_component(event)
return cal
def ical(request):
ninety_days = datetime.utcnow() + timedelta(days=90)
event_list = service.get_event_query_set().filter(date_time_begin__lte=ninety_days).order_by('date_time_begin')
cal = icalendar.Calendar()
cal['prodid'] = icalendar.vText(u'-//Techism//Techism//DE')
cal['version'] = icalendar.vText(u'2.0')
cal['x-wr-calname'] = icalendar.vText(u'Techism')
cal['x-wr-caldesc'] = icalendar.vText(u'Techism - IT-Events in München')
for e in event_list:
event = icalendar.Event()
# TODO should we generate an UUID when creating the event?
uid = u'*****@*****.**' % (str(e.id))
event['uid'] = icalendar.vText(uid)
event['dtstamp'] = icalendar.vDatetime(datetime.utcnow())
# The sequence field must be incremented each time the event is modifed.
# The trick here is to subtract the create TS from the modify TS and
# use the difference as sequence.
sequence = 0
if e.date_time_created and e.date_time_modified:
createTimestamp = time.mktime(e.get_date_time_created_utc().timetuple())
modifyTimestamp = time.mktime(e.get_date_time_modified_utc().timetuple())
sequence = modifyTimestamp - createTimestamp
event['sequence'] = icalendar.vInt(sequence)
# created and last-modified
if e.date_time_created:
event['created'] = icalendar.vDatetime(e.get_date_time_created_utc())
if e.date_time_modified:
event['last-modified'] = icalendar.vDatetime(e.get_date_time_modified_utc())
# TENTATIVE, CONFIRMED, CANCELLED
event['status'] = icalendar.vText(u'CONFIRMED')
if e.title:
event['summary'] = icalendar.vText(e.title)
if e.description:
event['description'] = icalendar.vText(e.description)
if e.date_time_begin:
event['dtstart'] = icalendar.vDatetime(e.get_date_time_begin_utc())
if e.date_time_end:
event['dtend'] = icalendar.vDatetime(e.get_date_time_end_utc())
if e.url:
relative_url = reverse('event-show', args=[e.id])
absolute_url = request.build_absolute_uri(relative_url)
event['url'] = icalendar.vUri(absolute_url)
# geo value isn't used by iCal readers :-(
# maybe a trick is to add the geo coordinates to the location field using the following format:
# $latitude, $longitude ($name, $street, $city)
if e.location:
location = u'%s, %s, %s' % (e.location.name, e.location.street, e.location.city)
event['location'] = icalendar.vText(location)
if e.location and e.location.latitude and e.location.longitude:
event['geo'] = icalendar.vGeo((e.location.latitude, e.location.longitude))
cal.add_component(event)
response = HttpResponse(cal.as_string())
response['Content-Type'] = 'text/calendar; charset=UTF-8'
response['Cache-Control'] = 'no-cache, no-store, max-age=0, must-revalidate'
response['Pragma'] = 'no-cache'
response['Expires'] = 'Fri, 01 Jan 1990 00:00:00 GMT'
return response
