def update_calendar(client: DAVClient, calendar_name: str,
event: Event) -> None:
"""
Create or update an event in a calendar.
"""
principal = client.principal()
try:
calendar = principal.calendar(name=calendar_name)
except caldav.error.NotFoundError:
calendar = principal.make_calendar(name=calendar_name)
# delete existing event, identified by URL
if "url" in event:
# pad search, otherwise it will return nothing
existing_events = calendar.date_search(
start=event["dtstart"].dt.date(),
end=event["dtend"].dt.date() + timedelta(days=1),
expand=False,
)
for existing_event in existing_events:
vevent = existing_event.vobject_instance.vevent
if hasattr(vevent, "url") and vevent.url.value == event["url"]:
_logger.info("Found existing event, deleting")
existing_event.delete()
# wrap in BEGIN:VCALENDAR
component = Calendar()
component.add("prodid", "-//Nefelibata Corp.//CalDAV Client//EN")
component.add("version", "2.0")
component.add("x-wr-calname", calendar_name)
component.add_component(event)
_logger.info("Creating event")
calendar.save_event(component.to_ical())
def build():
try:
cal = Calendar()
dav = DAVClient(url)
for calendar in dav.principal().calendars():
for event in calendar.events():
evcal = Calendar.from_ical(event.data)
for e in evcal.walk():
if isinstance(e, Event):
cal.add_component(e)
return cal.to_ical().decode('utf-8')
except OSError as e:
print("caldav:{}: {}".format(name, e))
return None
def main():
url = getenv(URL_ENV)
username = getenv(USER_ENV)
password = getenv(PASS_ENV)
if url is None:
url = input('URL: ')
if username is None:
username = input('Username: '******'Password: '******'Invalid URL or credentials.')
exit(1)
start = getenv(START_ENV)
end = getenv(END_ENV)
try:
start = datetime.fromisoformat(start)
end = datetime.fromisoformat(end)
except ValueError:
print(f'Invalid {START_ENV} or {END_ENV} value.')
exit(1)
if start is None:
default_start = datetime(date.today().year, 1, 1)
start = timeinput(
f'Start time [{default_start.strftime("%Y-%m-%d %H:%M")}]: ',
default_start)
if end is None:
default_end = datetime(date.today().year + 1, 1, 1)
end = timeinput(
f'End time [{default_end.strftime("%Y-%m-%d %H:%M")}]: ',
default_end)
for cal in principal.calendars():
for ev in cal.date_search(start=start, end=end,
expand=True): # expand recurring events
write_event(cal.name, ev)
with open(join(calendar_folder(cal.name), CAL_NAME_FILE),
'w') as f: # for importing
f.write(cal.name)
print(f'Exported events from calendar \'{cal.name}\'.')
def main():
url = getenv(URL_ENV)
username = getenv(USER_ENV)
password = getenv(PASS_ENV)
if url is None:
url = input('URL: ')
if username is None:
username = input('Username: '******'Password: '******'Invalid URL or credentials.')
exit(1)
parent_folder = getcwd()
for path in listdir():
if not (path.startswith(EXPORT_FOLDER_PREFIX) and isdir(path)):
continue
chdir(join(parent_folder, path))
try:
with open(CAL_NAME_FILE, 'r') as f:
cal_name = f.readline().strip()
except FileNotFoundError:
print(
f'Found directory {path} which matches the export folder schema but does not contain a \
{CAL_NAME_FILE} file.')
continue
print(f'Importing calendar \'{cal_name}\'...')
calendar = available_calendars.get(cal_name,
principal.make_calendar(cal_name))
count = len(listdir())
for i, path in enumerate(listdir()):
if path.endswith('.ics'):
with open(path, 'r') as f:
calendar.save_event(''.join(f.readlines()))
print(f'\t{i}/{count}', end='\r')
def main():
"""Command line tool to download from CalDAV to Remind"""
parser = ArgumentParser(description='Command line tool to download from CalDAV to Remind')
parser.add_argument('-d', '--delete', type=bool, default=False,
help='Delete old events')
parser.add_argument('-r', '--davurl', required=True, help='The URL of the calDAV server')
parser.add_argument('-u', '--davuser', help='The username for the calDAV server')
parser.add_argument('-p', '--davpass', help='The password for the calDAV server', default=None)
parser.add_argument('remfile', nargs='?', default=expanduser('~/.reminders'),
help='The Remind file to process (default: ~/.reminders)')
args = parser.parse_args()
rem = Remind(args.remfile)
ldict = set(rem.get_uids())
try:
(user, _, passwd) = netrc().authenticators(urlparse(args.davurl).netloc)
except (IOError, TypeError):
if not args.davuser:
print "dav2rem: error: argument -u/--davuser is required"
return 2
user = args.davuser
if args.davpass:
passwd = args.davpass
else:
passwd = getpass()
client = DAVClient(args.davurl, username=user, password=passwd)
principal = client.principal()
calendar = principal.calendars()[0]
rdict = {splitext(basename(event.canonical_url))[0].replace('%40', '@'): event for event in calendar.events()}
if args.delete:
local = ldict - rdict.viewkeys()
for uid in local:
rem.remove(uid)
remote = rdict.viewkeys() - ldict
for uid in remote:
vevent = rdict[uid]
vevent.load()
rem.append(vevent.data)
class Client:
def __init__(self, calendar=None, url=None):
if not config.CALENDAR_ACTIVE:
return
self.url = url if url is not None else config.CALENDAR_URL
self.client = DAVClient(self.url)
self.principal = None
for _ in range(config.CALENDAR_MAX_REQUESTS):
try:
self.principal = self.client.principal()
break
except Exception as exc:
print("Got exception {} from caldav, retrying".format(
str(exc)))
if self.principal is None:
raise CalendarException(
"Got {} CalDAV-error from the CalDAV server.".format(
config.CALENDAR_MAX_REQUESTS))
if calendar is not None:
self.calendar = self.get_calendar(calendar)
else:
self.calendar = calendar
def get_calendars(self):
if not config.CALENDAR_ACTIVE:
return
for _ in range(config.CALENDAR_MAX_REQUESTS):
try:
return [
calendar.name for calendar in self.principal.calendars()
]
except Exception as exc:
print("Got exception {} from caldav, retrying".format(
str(exc)))
raise CalendarException(
"Got {} CalDAV Errors from the CalDAV server.".format(
config.CALENDAR_MAX_REQUESTS))
def get_calendar(self, calendar_name):
candidates = self.principal.calendars()
for calendar in candidates:
if calendar.name == calendar_name:
return calendar
raise CalendarException("No calendar named {}.".format(calendar_name))
def set_event_at(self, begin, name, description):
if not config.CALENDAR_ACTIVE:
return
candidates = [
Event.from_raw_event(raw_event)
for raw_event in self.calendar.date_search(
begin, begin + timedelta(hours=1))
]
candidates = [event for event in candidates if event.name == name]
event = None
if len(candidates) == 0:
event = Event(
None, name, description, begin,
begin + timedelta(hours=config.CALENDAR_DEFAULT_DURATION))
vevent = self.calendar.add_event(event.to_vcal())
event.vevent = vevent
else:
event = candidates[0]
event.set_description(description)
event.vevent.save()
def main():
"""Command line tool to upload a Remind file to CalDAV"""
parser = ArgumentParser(description="Command line tool to upload a Remind file to CalDAV")
parser.add_argument(
"-z", "--zone", default="Europe/Berlin", help="Timezone of Remind file (default: Europe/Berlin)"
)
parser.add_argument(
"-s",
"--startdate",
type=lambda s: parse(s).date(),
default=date.today() - timedelta(weeks=12),
help="Start offset for remind call (default: -12 weeks)",
)
parser.add_argument(
"-m",
"--month",
type=int,
default=15,
help="Number of month to generate calendar beginning wit stadtdate (default: 15)",
)
parser.add_argument("-d", "--delete", action="store_true", help="Delete old events")
parser.add_argument("-r", "--davurl", required=True, help="The URL of the calDAV server")
parser.add_argument("-u", "--davuser", help="The username for the calDAV server")
parser.add_argument("-p", "--davpass", help="The password for the calDAV server", default=None)
parser.add_argument(
"infile",
nargs="?",
default=expanduser("~/.reminders"),
help="The Remind file to process (default: ~/.reminders)",
)
parser.add_argument(
"-o",
"--old",
default=None,
help="The old reference Remind file (entries not in the current one will be deleted from dav)",
)
args = parser.parse_args()
zone = gettz(args.zone)
# Manually set timezone name to generate correct ical files
# (python-vobject tests for the zone attribute)
zone.zone = args.zone
if args.infile == "-":
remind = Remind(args.infile, zone, args.startdate, args.month)
vobject = remind.stdin_to_vobject(stdin.read().decode("utf-8"))
else:
remind = Remind(args.infile, zone, args.startdate, args.month)
vobject = remind.to_vobject()
if hasattr(vobject, "vevent_list"):
ldict = {event.uid.value: event for event in vobject.vevent_list}
else:
ldict = {}
try:
(user, _, passwd) = netrc().authenticators(urlparse(args.davurl).netloc)
except (IOError, TypeError):
if not args.davuser:
print "rem2dav: error: argument -u/--davuser is required"
return 2
user = args.davuser
if args.davpass:
passwd = args.davpass
else:
passwd = getpass()
client = DAVClient(args.davurl, username=user, password=passwd)
principal = client.principal()
calendar = principal.calendars()[0]
rdict = {splitext(basename(event.canonical_url))[0].replace("%40", "@"): event for event in calendar.events()}
if args.old:
old = Remind(args.old, zone, args.startdate, args.month)
old_vobject = old.to_vobject()
if hasattr(old_vobject, "vevent_list"):
odict = {event.uid.value: event for event in old_vobject.vevent_list}
intersect = rdict.viewkeys() & odict.viewkeys()
rdict = {key: rdict[key] for key in intersect}
else:
rdict = {}
local = ldict.viewkeys() - rdict.viewkeys()
for uid in local:
ncal = iCalendar()
ncal.add(ldict[uid])
calendar.add_event(ncal.serialize())
if args.delete or args.old:
remote = rdict.viewkeys() - ldict.viewkeys()
for uid in remote:
rdict[uid].delete()
