def icalendar(name, url):
def fetch():
try:
response = urllib.request.urlopen(url, timeout=1)
return response.read().decode('utf-8')
except urllib.error.URLError as e:
print("icalendar:{}: {}".format(name, e))
return None
data = cache.get("{}.ics".format(name), 60 * 12, fetch)
if data is None:
# Cache empty and update failed.
return
icalendar_data(name, data)
def caldav(name, url):
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
data = cache.get("{}.ics".format(name), 60 * 12, build)
if data is None:
# Cache empty and update failed.
return
icalendar_data(name, data)
