from functools import cached_property

from . import _support as test_support

from ._support import (

OS_ENV_LOCK,

TZPATH_LOCK,

TZPATH_TEST_LOCK,

ZoneInfoTestBase,

)

from ._support import OS_ENV_LOCK, TZPATH_TEST_LOCK, ZoneInfoTestBase

py_zoneinfo, c_zoneinfo = test_support.get_modules()

self.assertEqual(dt.dst(), offset.dst, dt)

def test_folds_from_utc(self):

tests = []

for key in self.zones():

zi = self.zone_from_key(key)

with self.subTest(key=key):

# the Version 2+ file. In this case, we have no transitions, just

# the tzstr in the footer, so up to the footer, the files are

# identical and we can just write the same file twice in a row.

for i in range(2):

for _ in range(2):

out += b"TZif" # Magic value

out += b"3" # Version

out += b" " * 15 # Reserved

return self.klass.from_file(zonefile, key=tzstr)

def test_tzstr_localized(self):

i = 0

for tzstr, cases in self.test_cases.items():

with self.subTest(tzstr=tzstr):

zi = self.zone_from_tzstr(tzstr)