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syn-chat-bot/.venv/lib/python3.9/site-packages/icalendar/tests/test_timezoned.py
Hyungi Ahn c2257d3a86 fix: 포트 충돌 회피 — note_bridge 8098, intent_service 8099 
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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-19 13:53:55 +09:00

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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.events[0].start
assert tzid_from_dt(dt) in ("custom_America/New_York", "EDT")
def test_create_america_new_york_forward_reference(calendars, tzp):
"""testing America/New_York variant with VTIMEZONE as a forward reference"""
cal = calendars.america_new_york_forward_reference
dt = cal.walk('VEVENT')[0]['DTSTART'][0].dt
assert tzid_from_dt(dt) in ('custom_America/New_York_Forward_reference', "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.events[0].start
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, lookup_tzid=False)
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"),
]
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