You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
169 lines
4.6 KiB
169 lines
4.6 KiB
from datetime import (
|
|
datetime,
|
|
timedelta,
|
|
timezone,
|
|
)
|
|
|
|
import dateutil.tz
|
|
import pytest
|
|
import pytz
|
|
|
|
from pandas._libs.tslibs import (
|
|
conversion,
|
|
timezones,
|
|
)
|
|
from pandas.compat import is_platform_windows
|
|
|
|
from pandas import Timestamp
|
|
|
|
|
|
def test_is_utc(utc_fixture):
|
|
tz = timezones.maybe_get_tz(utc_fixture)
|
|
assert timezones.is_utc(tz)
|
|
|
|
|
|
@pytest.mark.parametrize("tz_name", list(pytz.common_timezones))
|
|
def test_cache_keys_are_distinct_for_pytz_vs_dateutil(tz_name):
|
|
tz_p = timezones.maybe_get_tz(tz_name)
|
|
tz_d = timezones.maybe_get_tz("dateutil/" + tz_name)
|
|
|
|
if tz_d is None:
|
|
pytest.skip(tz_name + ": dateutil does not know about this one")
|
|
|
|
if not (tz_name == "UTC" and is_platform_windows()):
|
|
# they both end up as tzwin("UTC") on windows
|
|
assert timezones._p_tz_cache_key(tz_p) != timezones._p_tz_cache_key(tz_d)
|
|
|
|
|
|
def test_tzlocal_repr():
|
|
# see gh-13583
|
|
ts = Timestamp("2011-01-01", tz=dateutil.tz.tzlocal())
|
|
assert ts.tz == dateutil.tz.tzlocal()
|
|
assert "tz='tzlocal()')" in repr(ts)
|
|
|
|
|
|
def test_tzlocal_maybe_get_tz():
|
|
# see gh-13583
|
|
tz = timezones.maybe_get_tz("tzlocal()")
|
|
assert tz == dateutil.tz.tzlocal()
|
|
|
|
|
|
def test_tzlocal_offset():
|
|
# see gh-13583
|
|
#
|
|
# Get offset using normal datetime for test.
|
|
ts = Timestamp("2011-01-01", tz=dateutil.tz.tzlocal())
|
|
|
|
offset = dateutil.tz.tzlocal().utcoffset(datetime(2011, 1, 1))
|
|
offset = offset.total_seconds()
|
|
|
|
assert ts._value + offset == Timestamp("2011-01-01")._value
|
|
|
|
|
|
def test_tzlocal_is_not_utc():
|
|
# even if the machine running the test is localized to UTC
|
|
tz = dateutil.tz.tzlocal()
|
|
assert not timezones.is_utc(tz)
|
|
|
|
assert not timezones.tz_compare(tz, dateutil.tz.tzutc())
|
|
|
|
|
|
def test_tz_compare_utc(utc_fixture, utc_fixture2):
|
|
tz = timezones.maybe_get_tz(utc_fixture)
|
|
tz2 = timezones.maybe_get_tz(utc_fixture2)
|
|
assert timezones.tz_compare(tz, tz2)
|
|
|
|
|
|
@pytest.fixture(
|
|
params=[
|
|
(pytz.timezone("US/Eastern"), lambda tz, x: tz.localize(x)),
|
|
(dateutil.tz.gettz("US/Eastern"), lambda tz, x: x.replace(tzinfo=tz)),
|
|
]
|
|
)
|
|
def infer_setup(request):
|
|
eastern, localize = request.param
|
|
|
|
start_naive = datetime(2001, 1, 1)
|
|
end_naive = datetime(2009, 1, 1)
|
|
|
|
start = localize(eastern, start_naive)
|
|
end = localize(eastern, end_naive)
|
|
|
|
return eastern, localize, start, end, start_naive, end_naive
|
|
|
|
|
|
def test_infer_tz_compat(infer_setup):
|
|
eastern, _, start, end, start_naive, end_naive = infer_setup
|
|
|
|
assert (
|
|
timezones.infer_tzinfo(start, end)
|
|
is conversion.localize_pydatetime(start_naive, eastern).tzinfo
|
|
)
|
|
assert (
|
|
timezones.infer_tzinfo(start, None)
|
|
is conversion.localize_pydatetime(start_naive, eastern).tzinfo
|
|
)
|
|
assert (
|
|
timezones.infer_tzinfo(None, end)
|
|
is conversion.localize_pydatetime(end_naive, eastern).tzinfo
|
|
)
|
|
|
|
|
|
def test_infer_tz_utc_localize(infer_setup):
|
|
_, _, start, end, start_naive, end_naive = infer_setup
|
|
utc = pytz.utc
|
|
|
|
start = utc.localize(start_naive)
|
|
end = utc.localize(end_naive)
|
|
|
|
assert timezones.infer_tzinfo(start, end) is utc
|
|
|
|
|
|
@pytest.mark.parametrize("ordered", [True, False])
|
|
def test_infer_tz_mismatch(infer_setup, ordered):
|
|
eastern, _, _, _, start_naive, end_naive = infer_setup
|
|
msg = "Inputs must both have the same timezone"
|
|
|
|
utc = pytz.utc
|
|
start = utc.localize(start_naive)
|
|
end = conversion.localize_pydatetime(end_naive, eastern)
|
|
|
|
args = (start, end) if ordered else (end, start)
|
|
|
|
with pytest.raises(AssertionError, match=msg):
|
|
timezones.infer_tzinfo(*args)
|
|
|
|
|
|
def test_maybe_get_tz_invalid_types():
|
|
with pytest.raises(TypeError, match="<class 'float'>"):
|
|
timezones.maybe_get_tz(44.0)
|
|
|
|
with pytest.raises(TypeError, match="<class 'module'>"):
|
|
timezones.maybe_get_tz(pytz)
|
|
|
|
msg = "<class 'pandas._libs.tslibs.timestamps.Timestamp'>"
|
|
with pytest.raises(TypeError, match=msg):
|
|
timezones.maybe_get_tz(Timestamp("2021-01-01", tz="UTC"))
|
|
|
|
|
|
def test_maybe_get_tz_offset_only():
|
|
# see gh-36004
|
|
|
|
# timezone.utc
|
|
tz = timezones.maybe_get_tz(timezone.utc)
|
|
assert tz == timezone(timedelta(hours=0, minutes=0))
|
|
|
|
# without UTC+- prefix
|
|
tz = timezones.maybe_get_tz("+01:15")
|
|
assert tz == timezone(timedelta(hours=1, minutes=15))
|
|
|
|
tz = timezones.maybe_get_tz("-01:15")
|
|
assert tz == timezone(-timedelta(hours=1, minutes=15))
|
|
|
|
# with UTC+- prefix
|
|
tz = timezones.maybe_get_tz("UTC+02:45")
|
|
assert tz == timezone(timedelta(hours=2, minutes=45))
|
|
|
|
tz = timezones.maybe_get_tz("UTC-02:45")
|
|
assert tz == timezone(-timedelta(hours=2, minutes=45))
|