def test_date_range_timestamp_equiv_explicit_dateutil(self):
from pandas._libs.tslibs.timezones import dateutil_gettz as gettz
rng = date_range("20090415", "20090519", tz=gettz("US/Eastern"))
stamp = rng[0]
ts = Timestamp("20090415", tz=gettz("US/Eastern"), freq="D")
assert ts == stamp
def test_date_range_timestamp_equiv_explicit_dateutil(self):
from pandas._libs.tslibs.timezones import dateutil_gettz as gettz
rng = date_range('20090415', '20090519', tz=gettz('US/Eastern'))
stamp = rng[0]
ts = Timestamp('20090415', tz=gettz('US/Eastern'), freq='D')
assert ts == stamp
def test_date_range_timestamp_equiv_explicit_dateutil(self):
from pandas._libs.tslibs.timezones import dateutil_gettz as gettz
rng = date_range('20090415', '20090519', tz=gettz('US/Eastern'))
stamp = rng[0]
ts = Timestamp('20090415', tz=gettz('US/Eastern'), freq='D')
assert ts == stamp
def test_getitem_setitem_datetime_tz_dateutil():
from dateutil.tz import tzutc
from pandas._libs.tslibs.timezones import dateutil_gettz as gettz
tz = (lambda x: tzutc() if x == "UTC" else gettz(x)
) # handle special case for utc in dateutil
N = 50
# testing with timezone, GH #2785
rng = date_range("1/1/1990", periods=N, freq="H", tz="America/New_York")
ts = Series(np.random.randn(N), index=rng)
# also test Timestamp tz handling, GH #2789
result = ts.copy()
result["1990-01-01 09:00:00+00:00"] = 0
result["1990-01-01 09:00:00+00:00"] = ts[4]
tm.assert_series_equal(result, ts)
result = ts.copy()
result["1990-01-01 03:00:00-06:00"] = 0
result["1990-01-01 03:00:00-06:00"] = ts[4]
tm.assert_series_equal(result, ts)
# repeat with datetimes
result = ts.copy()
result[datetime(1990, 1, 1, 9, tzinfo=tz("UTC"))] = 0
result[datetime(1990, 1, 1, 9, tzinfo=tz("UTC"))] = ts[4]
tm.assert_series_equal(result, ts)
result = ts.copy()
result[datetime(1990, 1, 1, 3, tzinfo=tz("America/Chicago"))] = 0
result[datetime(1990, 1, 1, 3, tzinfo=tz("America/Chicago"))] = ts[4]
tm.assert_series_equal(result, ts)
def test_reindex_timestamp_with_fold(self, timezone, year, month, day, hour):
# see gh-40817
test_timezone = gettz(timezone)
transition_1 = pd.Timestamp(
year=year,
month=month,
day=day,
hour=hour,
minute=0,
fold=0,
tzinfo=test_timezone,
)
transition_2 = pd.Timestamp(
year=year,
month=month,
day=day,
hour=hour,
minute=0,
fold=1,
tzinfo=test_timezone,
)
df = (
DataFrame({"index": [transition_1, transition_2], "vals": ["a", "b"]})
.set_index("index")
.reindex(["1", "2"])
)
tm.assert_frame_equal(
df,
DataFrame({"index": ["1", "2"], "vals": [None, None]}).set_index("index"),
)
def test_hash_timestamp_with_fold(self, timezone, year, month, day, hour):
# see gh-33931
test_timezone = gettz(timezone)
transition_1 = Timestamp(
year=year,
month=month,
day=day,
hour=hour,
minute=0,
fold=0,
tzinfo=test_timezone,
)
transition_2 = Timestamp(
year=year,
month=month,
day=day,
hour=hour,
minute=0,
fold=1,
tzinfo=test_timezone,
)
assert hash(transition_1) == hash(transition_2)
def test_getitem_setitem_datetime_tz_dateutil():
from dateutil.tz import tzutc
from pandas._libs.tslibs.timezones import dateutil_gettz as gettz
tz = lambda x: tzutc() if x == 'UTC' else gettz(
x) # handle special case for utc in dateutil
from pandas import date_range
N = 50
# testing with timezone, GH #2785
rng = date_range('1/1/1990', periods=N, freq='H',
tz='America/New_York')
ts = Series(np.random.randn(N), index=rng)
# also test Timestamp tz handling, GH #2789
result = ts.copy()
result["1990-01-01 09:00:00+00:00"] = 0
result["1990-01-01 09:00:00+00:00"] = ts[4]
assert_series_equal(result, ts)
result = ts.copy()
result["1990-01-01 03:00:00-06:00"] = 0
result["1990-01-01 03:00:00-06:00"] = ts[4]
assert_series_equal(result, ts)
# repeat with datetimes
result = ts.copy()
result[datetime(1990, 1, 1, 9, tzinfo=tz('UTC'))] = 0
result[datetime(1990, 1, 1, 9, tzinfo=tz('UTC'))] = ts[4]
assert_series_equal(result, ts)
result = ts.copy()
result[datetime(1990, 1, 1, 3, tzinfo=tz('America/Chicago'))] = 0
result[datetime(1990, 1, 1, 3, tzinfo=tz('America/Chicago'))] = ts[4]
assert_series_equal(result, ts)
def test_timestamp_to_datetime_explicit_dateutil(self):
stamp = Timestamp('20090415', tz=gettz('US/Eastern'), freq='D')
dtval = stamp.to_pydatetime()
assert stamp == dtval
assert stamp.tzinfo == dtval.tzinfo
def test_timestamp_to_datetime_explicit_dateutil(self):
stamp = Timestamp('20090415', tz=gettz('US/Eastern'), freq='D')
dtval = stamp.to_pydatetime()
assert stamp == dtval
assert stamp.tzinfo == dtval.tzinfo
def test_timestamp_to_datetime_explicit_dateutil(self):
stamp = Timestamp("20090415", tz=gettz("US/Eastern"), freq="D")
dtval = stamp.to_pydatetime()
assert stamp == dtval
assert stamp.tzinfo == dtval.tzinfo