import datetime import dateutil.parser import icalendar from icalendar.prop import tzid_from_dt def test_create_from_ical(calendars, other_tzp): """Create a calendar from a .ics file.""" cal = calendars.timezoned assert cal['prodid'].to_ical() == b"-//Plone.org//NONSGML plone.app.event//EN" timezones = cal.walk('VTIMEZONE') assert len(timezones) == 1 tz = timezones[0] assert tz['tzid'].to_ical() == b"Europe/Vienna" std = tz.walk('STANDARD')[0] assert std.decoded('TZOFFSETFROM') == datetime.timedelta(0, 7200) ev1 = cal.walk('VEVENT')[0] assert ev1.decoded('DTSTART') == other_tzp.localize(datetime.datetime(2012, 2, 13, 10, 0, 0), 'Europe/Vienna') assert ev1.decoded('DTSTAMP') == other_tzp.localize(datetime.datetime(2010, 10, 10, 9, 10, 10), 'UTC') def test_create_to_ical(tzp): cal = icalendar.Calendar() cal.add('prodid', "-//Plone.org//NONSGML plone.app.event//EN") cal.add('version', "2.0") cal.add('x-wr-calname', "test create calendar") cal.add('x-wr-caldesc', "icalendar tests") cal.add('x-wr-relcalid', "12345") cal.add('x-wr-timezone', "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() event.add( 'dtstart', tzp.localize(datetime.datetime(2012, 2, 13, 10, 00, 00), "Europe/Vienna")) event.add( 'dtend', tzp.localize(datetime.datetime(2012, 2, 17, 18, 00, 00), "Europe/Vienna")) event.add( 'dtstamp', tzp.localize(datetime.datetime(2010, 10, 10, 10, 10, 10), "Europe/Vienna")) event.add( 'created', tzp.localize(datetime.datetime(2010, 10, 10, 10, 10, 10), "Europe/Vienna")) event.add('uid', '123456') event.add( 'last-modified', tzp.localize(datetime.datetime(2010, 10, 10, 10, 10, 10), "Europe/Vienna")) event.add('summary', 'artsprint 2012') # event.add('rrule', 'FREQ=YEARLY;INTERVAL=1;COUNT=10') event.add('description', 'sprinting at the artsprint') event.add('location', 'aka bild, wien') event.add('categories', 'first subject') event.add('categories', 'second subject') event.add('attendee', 'häns') event.add('attendee', 'franz') event.add('attendee', 'sepp') event.add('contact', 'Max Mustermann, 1010 Wien') event.add('url', 'https://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: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:19700329T" "020000|TZNAME:CEST|TZOFFSETFROM:+0100|TZOFFSETTO:+0200|END:DAYLI" "GHT|END:VTIMEZONE" assert vtimezone_lines in test_out test_str = "DTSTART;TZID=Europe/Vienna:20120213T100000" assert (test_str in test_out) assert ("ATTENDEE:sepp" in test_out) # ical standard expects DTSTAMP and CREATED in UTC assert ("DTSTAMP:20101010T081010Z" in test_out) assert ("CREATED:20101010T081010Z" in test_out) def test_tzinfo_dateutil(): """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') assert (date.tzinfo.__module__.startswith('dateutil.tz')) assert (date2.tzinfo.__module__.startswith('dateutil.tz')) # make sure, it's parsed properly and doesn't throw an error assert (icalendar.vDDDTypes(date).to_ical() == b'20120830T224100Z') assert (icalendar.vDDDTypes(date2).to_ical() == b'20120830T224100') def test_create_america_new_york(calendars, tzp): """testing America/New_York, the most complex example from the RFC""" cal = calendars.america_new_york dt = cal.walk('VEVENT')[0]['DTSTART'][0].dt assert tzid_from_dt(dt) in ('custom_America/New_York', "EDT") def test_america_new_york_with_pytz(calendars, tzp, pytz_only): """Create a custom timezone with pytz and test the transition times.""" print(tzp) cal = calendars.america_new_york dt = cal.walk('VEVENT')[0]['DTSTART'][0].dt tz = dt.tzinfo tz_new_york = tzp.timezone('America/New_York') # for reasons (tm) the locally installed version of the timezone # database isn't always complete, therefore we only compare some # transition times ny_transition_times = [] ny_transition_info = [] for num, date in enumerate(tz_new_york._utc_transition_times): if datetime.datetime(1967, 4, 30, 7, 0)\ <= date <= datetime.datetime(2037, 11, 1, 6, 0): ny_transition_times.append(date) ny_transition_info.append(tz_new_york._transition_info[num]) assert tz._utc_transition_times[:142] == ny_transition_times assert tz._transition_info[0:142] == ny_transition_info assert ( datetime.timedelta(-1, 72000), datetime.timedelta(0, 3600), 'EDT' ) in tz._tzinfos.keys() assert (datetime.timedelta(-1, 68400), datetime.timedelta(0), 'EST') in tz._tzinfos.keys() fiji_transition_times = [ datetime.datetime(1915, 10, 25, 12, 4), datetime.datetime(1998, 10, 31, 14, 0), datetime.datetime(1999, 2, 27, 14, 0), datetime.datetime(1999, 11, 6, 14, 0), datetime.datetime(2000, 2, 26, 14, 0), datetime.datetime(2009, 11, 28, 14, 0), datetime.datetime(2010, 3, 27, 14, 0), datetime.datetime(2010, 10, 23, 14, 0), datetime.datetime(2011, 3, 5, 14, 0), datetime.datetime(2011, 10, 22, 14, 0), datetime.datetime(2012, 1, 21, 14, 0), datetime.datetime(2012, 10, 20, 14, 0), datetime.datetime(2013, 1, 19, 14, 0), datetime.datetime(2013, 10, 26, 14, 0), datetime.datetime(2014, 1, 18, 13, 0), datetime.datetime(2014, 10, 25, 14, 0), datetime.datetime(2015, 1, 17, 13, 0), datetime.datetime(2015, 10, 24, 14, 0), datetime.datetime(2016, 1, 23, 13, 0), datetime.datetime(2016, 10, 22, 14, 0), datetime.datetime(2017, 1, 21, 13, 0), datetime.datetime(2017, 10, 21, 14, 0), datetime.datetime(2018, 1, 20, 13, 0), datetime.datetime(2018, 10, 20, 14, 0), datetime.datetime(2019, 1, 19, 13, 0), datetime.datetime(2019, 10, 26, 14, 0), datetime.datetime(2020, 1, 18, 13, 0), datetime.datetime(2020, 10, 24, 14, 0), datetime.datetime(2021, 1, 23, 13, 0), datetime.datetime(2021, 10, 23, 14, 0), datetime.datetime(2022, 1, 22, 13, 0), datetime.datetime(2022, 10, 22, 14, 0), datetime.datetime(2023, 1, 21, 13, 0), datetime.datetime(2023, 10, 21, 14, 0), datetime.datetime(2024, 1, 20, 13, 0), datetime.datetime(2024, 10, 26, 14, 0), datetime.datetime(2025, 1, 18, 13, 0), datetime.datetime(2025, 10, 25, 14, 0), datetime.datetime(2026, 1, 17, 13, 0), datetime.datetime(2026, 10, 24, 14, 0), datetime.datetime(2027, 1, 23, 13, 0), datetime.datetime(2027, 10, 23, 14, 0), datetime.datetime(2028, 1, 22, 13, 0), datetime.datetime(2028, 10, 21, 14, 0), datetime.datetime(2029, 1, 20, 13, 0), datetime.datetime(2029, 10, 20, 14, 0), datetime.datetime(2030, 1, 19, 13, 0), datetime.datetime(2030, 10, 26, 14, 0), datetime.datetime(2031, 1, 18, 13, 0), datetime.datetime(2031, 10, 25, 14, 0), datetime.datetime(2032, 1, 17, 13, 0), datetime.datetime(2032, 10, 23, 14, 0), datetime.datetime(2033, 1, 22, 13, 0), datetime.datetime(2033, 10, 22, 14, 0), datetime.datetime(2034, 1, 21, 13, 0), datetime.datetime(2034, 10, 21, 14, 0), datetime.datetime(2035, 1, 20, 13, 0), datetime.datetime(2035, 10, 20, 14, 0), datetime.datetime(2036, 1, 19, 13, 0), datetime.datetime(2036, 10, 25, 14, 0), datetime.datetime(2037, 1, 17, 13, 0), datetime.datetime(2037, 10, 24, 14, 0), datetime.datetime(2038, 1, 23, 13, 0), datetime.datetime(2038, 10, 23, 14, 0) ] fiji_transition_info = ( [( datetime.timedelta(0, 43200), datetime.timedelta(0), 'custom_Pacific/Fiji_19151026T000000_+115544_+1200' )] + 3 * [( datetime.timedelta(0, 46800), datetime.timedelta(0, 3600), 'custom_Pacific/Fiji_19981101T020000_+1200_+1300' ), ( datetime.timedelta(0, 43200), datetime.timedelta(0), 'custom_Pacific/Fiji_19990228T030000_+1300_+1200') ] + 3 * [( datetime.timedelta(0, 46800), datetime.timedelta(0, 3600), 'custom_Pacific/Fiji_20101024T020000_+1200_+1300' ), ( datetime.timedelta(0, 43200), datetime.timedelta(0), 'custom_Pacific/Fiji_19990228T030000_+1300_+1200' )] + 25 * [( datetime.timedelta(0, 46800), datetime.timedelta(0, 3600), 'custom_Pacific/Fiji_20101024T020000_+1200_+1300' ), ( datetime.timedelta(0, 43200), datetime.timedelta(0), 'custom_Pacific/Fiji_20140119T020000_+1300_+1200' )] + [( datetime.timedelta(0, 46800), datetime.timedelta(0, 3600), 'custom_Pacific/Fiji_20101024T020000_+1200_+1300' )] ) def test_create_pacific_fiji(calendars, pytz_only): """testing Pacific/Fiji, another pretty complex example with more than one RDATE property per subcomponent""" cal = calendars.pacific_fiji tz = cal.walk('VEVENT')[0]['DTSTART'][0].dt.tzinfo assert str(tz) == 'custom_Pacific/Fiji' assert tz._utc_transition_times == fiji_transition_times assert tz._transition_info == fiji_transition_info assert ( datetime.timedelta(0, 46800), datetime.timedelta(0, 3600), 'custom_Pacific/Fiji_19981101T020000_+1200_+1300' ) in tz._tzinfos.keys() assert ( datetime.timedelta(0, 43200), datetime.timedelta(0), 'custom_Pacific/Fiji_19990228T030000_+1300_+1200' ) in tz._tzinfos.keys() # these are the expected offsets before and after the fiji_transition_times fiji_expected_offsets = [ (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), (datetime.timedelta(hours=13), datetime.timedelta(hours=13)), (datetime.timedelta(hours=12), datetime.timedelta(hours=12)), ] def test_transition_times_fiji(tzp, timezones): """The transition times are computed.""" tz = timezones.pacific_fiji.to_tz(tzp) offsets = [] # [(before, after), ...] for i, transition_time in enumerate(fiji_transition_times): before_after_offset = [] for offset in (datetime.timedelta(hours=-1), datetime.timedelta(hours=+1)): time_in_timezone = tzp.localize(transition_time + offset, tz) utc_offset = time_in_timezone.utcoffset() before_after_offset.append(utc_offset) offsets.append(tuple(before_after_offset)) assert offsets == fiji_expected_offsets def test_same_start_date(calendars): """testing if we can handle VTIMEZONEs whose different components have the same start DTIMEs.""" cal = calendars.timezone_same_start d = cal.subcomponents[1]['DTSTART'].dt assert d.strftime('%c') == 'Fri Feb 24 12:00:00 2017' def test_same_start_date_and_offset(calendars): """testing if we can handle VTIMEZONEs whose different components have the same DTSTARTs, TZOFFSETFROM, and TZOFFSETTO.""" cal = calendars.timezone_same_start_and_offset d = cal.subcomponents[1]['DTSTART'].dt assert d.strftime('%c') == 'Fri Feb 24 12:00:00 2017' def test_rdate(calendars): """testing if we can handle VTIMEZONEs who only have an RDATE, not RRULE """ cal = calendars.timezone_rdate vevent = cal.walk('VEVENT')[0] assert tzid_from_dt(vevent['DTSTART'].dt) in ('posix/Europe/Vaduz', "CET") def test_rdate_pytz(calendars, pytz_only): """testing if we can handle VTIMEZONEs who only have an RDATE, not RRULE """ cal = calendars.timezone_rdate vevent = cal.walk('VEVENT')[0] tz = vevent['DTSTART'].dt.tzinfo assert tz._utc_transition_times[:6] == [ datetime.datetime(1901, 12, 13, 20, 45, 38), datetime.datetime(1941, 5, 5, 0, 0, 0), datetime.datetime(1941, 10, 6, 0, 0, 0), datetime.datetime(1942, 5, 4, 0, 0, 0), datetime.datetime(1942, 10, 5, 0, 0, 0), datetime.datetime(1981, 3, 29, 1, 0), ] assert tz._transition_info[:6] == [ (datetime.timedelta(0, 3600), datetime.timedelta(0), 'CET'), (datetime.timedelta(0, 7200), datetime.timedelta(0, 3600), 'CEST'), (datetime.timedelta(0, 3600), datetime.timedelta(0), 'CET'), (datetime.timedelta(0, 7200), datetime.timedelta(0, 3600), 'CEST'), (datetime.timedelta(0, 3600), datetime.timedelta(0), 'CET'), (datetime.timedelta(0, 7200), datetime.timedelta(0, 3600), 'CEST'), ]