def test_store_timezone(setup_path):
# GH2852
# issue storing datetime.date with a timezone as it resets when read
# back in a new timezone
# original method
with ensure_clean_store(setup_path) as store:
today = datetime.date(2013, 9, 10)
df = DataFrame([1, 2, 3], index=[today, today, today])
store["obj1"] = df
result = store["obj1"]
tm.assert_frame_equal(result, df)
# with tz setting
with ensure_clean_store(setup_path) as store:
with tm.set_timezone("EST5EDT"):
today = datetime.date(2013, 9, 10)
df = DataFrame([1, 2, 3], index=[today, today, today])
store["obj1"] = df
with tm.set_timezone("CST6CDT"):
result = store["obj1"]
tm.assert_frame_equal(result, df)
def test_normalize_tz_local(self, timezone):
# GH#13459
with tm.set_timezone(timezone):
rng = date_range("1/1/2000 9:30", periods=10, freq="D", tz=tzlocal())
result = rng.normalize()
expected = date_range("1/1/2000", periods=10, freq="D", tz=tzlocal())
tm.assert_index_equal(result, expected)
assert result.is_normalized
assert not rng.is_normalized
def test_replace_tzinfo(self):
# GH#15683
dt = datetime(2016, 3, 27, 1)
tzinfo = pytz.timezone("CET").localize(dt, is_dst=False).tzinfo
result_dt = dt.replace(tzinfo=tzinfo)
result_pd = Timestamp(dt).replace(tzinfo=tzinfo)
# datetime.timestamp() converts in the local timezone
with tm.set_timezone("UTC"):
assert result_dt.timestamp() == result_pd.timestamp()
assert result_dt == result_pd
assert result_dt == result_pd.to_pydatetime()
result_dt = dt.replace(tzinfo=tzinfo).replace(tzinfo=None)
result_pd = Timestamp(dt).replace(tzinfo=tzinfo).replace(tzinfo=None)
# datetime.timestamp() converts in the local timezone
with tm.set_timezone("UTC"):
assert result_dt.timestamp() == result_pd.timestamp()
assert result_dt == result_pd
assert result_dt == result_pd.to_pydatetime()
def test_timestamp(self):
# GH#17329
# tz-naive --> treat it as if it were UTC for purposes of timestamp()
ts = Timestamp.now()
uts = ts.replace(tzinfo=utc)
assert ts.timestamp() == uts.timestamp()
tsc = Timestamp("2014-10-11 11:00:01.12345678", tz="US/Central")
utsc = tsc.tz_convert("UTC")
# utsc is a different representation of the same time
assert tsc.timestamp() == utsc.timestamp()
# datetime.timestamp() converts in the local timezone
with tm.set_timezone("UTC"):
# should agree with datetime.timestamp method
dt = ts.to_pydatetime()
assert dt.timestamp() == ts.timestamp()