def utcoffset2vDDD(utcoffset, negate=False):
td = utcoffset.td
if negate:
td = -td
# This is a workaround for a bug in the iCalendar package. See
# http://codespeak.net/pipermail/icalendar-dev/2008-May/000099.html
# for information
if td < timedelta(0):
return '-' + vDDDTypes(-td).ical()
else:
return vDDDTypes(td).ical()
def test_tzinfo_dateutil(self):
# Test for issues #77, #63
# references: #73,7430b66862346fe3a6a100ab25e35a8711446717
date = dateutil.parser.parse('2012-08-30T22:41:00Z')
date2 = dateutil.parser.parse('2012-08-30T22:41:00 +02:00')
self.assertTrue(date.tzinfo.__module__ == 'dateutil.tz')
self.assertTrue(date2.tzinfo.__module__ == 'dateutil.tz')
# make sure, it's parsed properly and doesn't throw an error
self.assertTrue(icalendar.vDDDTypes(date).to_ical()
== b'20120830T224100Z')
self.assertTrue(icalendar.vDDDTypes(date2).to_ical()
== b'20120830T224100')
def test_tzinfo_dateutil(self):
# Test for issues #77, #63
# references: #73,7430b66862346fe3a6a100ab25e35a8711446717
date = dateutil.parser.parse('2012-08-30T22:41:00Z')
date2 = dateutil.parser.parse('2012-08-30T22:41:00 +02:00')
self.assertTrue(date.tzinfo.__module__.startswith('dateutil.tz'))
self.assertTrue(date2.tzinfo.__module__.startswith('dateutil.tz'))
# make sure, it's parsed properly and doesn't throw an error
self.assertTrue(icalendar.vDDDTypes(date).to_ical()
== b'20120830T224100Z')
self.assertTrue(icalendar.vDDDTypes(date2).to_ical()
== b'20120830T224100')
def add_datetime(component, name, time):
"""一个跳过带时区的时间中 VALUE 属性的 workaround
某些日历软件无法正常解析同时带 TZID 和 VALUE 属性的时间。
详见 https://github.com/collective/icalendar/issues/75 。
"""
vdatetime = vDDDTypes(time)
if 'VALUE' in vdatetime.params and 'TZID' in vdatetime.params:
vdatetime.params.pop('VALUE')
component.add(name, vdatetime)
# Define the date of the race in the input calendar
INPUT_RACE_DATE = date(2015,04,26)
# Define the date of the new race
NEW_RACE_DATE = date(2015,04,26)
# Calculate the adjustment needed to the dates
DT_DELTA = NEW_RACE_DATE - INPUT_RACE_DATE
def date_add(dt, delta=DT_DELTA):
if not isinstance(dt, date):
raise ValueError('Value passed must be an object of type date')
return dt + delta
f = open('./input.ics', 'rb')
gcal = Calendar.from_ical(f.read())
for component in gcal.walk():
if component.name == 'VEVENT':
component['dtstart'] = vDDDTypes(date_add(component.get('dtstart').dt))
component['dtend'] = vDDDTypes(date_add(component.get('dtend').dt))
f.close()
f = open('./race-cal-' + NEW_RACE_DATE.strftime('%Y%m%d') + '.ics', 'wb')
f.write(gcal.to_ical())
f.close()
def _add_datetime(component, name, time):
vdatetime = vDDDTypes(time)
if "VALUE" in vdatetime.params and "TZID" in vdatetime.params:
vdatetime.params.pop("VALUE")
component.add(name, vdatetime)
def contacts_ics():
cal = Calendar()
cal.add('prodid', vText('-//choochootrain//Auto-generated//EN'))
cal.add('version', vText('2.0'))
cal.add('calscale', vText('gregorian'))
cal.add('method', vText('publish'))
cal.add('x-wr-calname', vText('Birthdays'))
cal.add('x-wr-timezone', vText('America/Los_Angeles'))
cal.add('x-wr-caldesc', vText('Autogenerated calendar of birthday events'))
conn = sqlite3.connect("data/contacts.db")
cursor = conn.cursor()
cursor.execute("SELECT * FROM contacts order by birthyear, birthmonth, birthday")
for id, name, day, month, year in cursor.fetchall():
event = Event()
event.add('summary', "%s's birthday" % name)
start = datetime.datetime(day=day, month=month, year=year if year is not None else 2014)
event.add('dtstart', vDDDTypes(start))
event.add('dtend', vDDDTypes(start + datetime.timedelta(days=1)))
event.add('rrule', vRecur(freq='yearly'))
cal.add_component(event)
return Response(cal.to_ical(), mimetype="text/calendar")