def test_to_period_tz_explicit_pytz(self):
tm._skip_if_no_pytz()
import pytz
from dateutil.tz import tzlocal
xp = date_range('1/1/2000', '4/1/2000').to_period()
ts = date_range('1/1/2000', '4/1/2000', tz=pytz.timezone('US/Eastern'))
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertTrue(result == expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=pytz.utc)
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertTrue(result == expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=tzlocal())
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertTrue(result == expected)
tm.assert_index_equal(ts.to_period(), xp)
def test_timestamp_tz_arg(self):
tm._skip_if_no_pytz()
import pytz
for case in ['Europe/Brussels', 'Asia/Tokyo', 'US/Pacific']:
p = Period('1/1/2005', freq='M').to_timestamp(tz=case)
exp = Timestamp('1/1/2005', tz='UTC').tz_convert(case)
exp_zone = pytz.timezone(case).normalize(p)
assert p == exp
assert p.tz == exp_zone.tzinfo
assert p.tz == exp.tz
p = Period('1/1/2005', freq='3H').to_timestamp(tz=case)
exp = Timestamp('1/1/2005', tz='UTC').tz_convert(case)
exp_zone = pytz.timezone(case).normalize(p)
assert p == exp
assert p.tz == exp_zone.tzinfo
assert p.tz == exp.tz
p = Period('1/1/2005', freq='A').to_timestamp(freq='A', tz=case)
exp = Timestamp('31/12/2005', tz='UTC').tz_convert(case)
exp_zone = pytz.timezone(case).normalize(p)
assert p == exp
assert p.tz == exp_zone.tzinfo
assert p.tz == exp.tz
p = Period('1/1/2005', freq='A').to_timestamp(freq='3H', tz=case)
exp = Timestamp('1/1/2005', tz='UTC').tz_convert(case)
exp_zone = pytz.timezone(case).normalize(p)
assert p == exp
assert p.tz == exp_zone.tzinfo
assert p.tz == exp.tz
def test_take_dont_lose_meta(self):
tm._skip_if_no_pytz()
rng = date_range("1/1/2000", periods=20, tz=self.tzstr("US/Eastern"))
result = rng.take(lrange(5))
self.assertEqual(result.tz, rng.tz)
self.assertEqual(result.freq, rng.freq)
def test_range_tz_dst_straddle_pytz(self):
tm._skip_if_no_pytz()
from pytz import timezone
tz = timezone('US/Eastern')
dates = [(tz.localize(datetime(2014, 3,
6)), tz.localize(datetime(2014, 3,
12))),
(tz.localize(datetime(2013, 11,
1)), tz.localize(datetime(2013, 11,
6)))]
for (start, end) in dates:
dr = date_range(start, end, freq='D')
self.assertEqual(dr[0], start)
self.assertEqual(dr[-1], end)
self.assertEqual(np.all(dr.hour == 0), True)
dr = date_range(start, end, freq='D', tz='US/Eastern')
self.assertEqual(dr[0], start)
self.assertEqual(dr[-1], end)
self.assertEqual(np.all(dr.hour == 0), True)
dr = date_range(start.replace(tzinfo=None),
end.replace(tzinfo=None),
freq='D',
tz='US/Eastern')
self.assertEqual(dr[0], start)
self.assertEqual(dr[-1], end)
self.assertEqual(np.all(dr.hour == 0), True)
def test_repr(self):
tm._skip_if_no_pytz()
tm._skip_if_no_dateutil()
dates = ['2014-03-07', '2014-01-01 09:00', '2014-01-01 00:00:00.000000001']
# dateutil zone change (only matters for repr)
import dateutil
if dateutil.__version__ >= LooseVersion('2.3'):
timezones = ['UTC', 'Asia/Tokyo', 'US/Eastern', 'dateutil/US/Pacific']
else:
timezones = ['UTC', 'Asia/Tokyo', 'US/Eastern', 'dateutil/America/Los_Angeles']
freqs = ['D', 'M', 'S', 'N']
for date in dates:
for tz in timezones:
for freq in freqs:
# avoid to match with timezone name
freq_repr = "'{0}'".format(freq)
if tz.startswith('dateutil'):
tz_repr = tz.replace('dateutil', '')
else:
tz_repr = tz
date_only = Timestamp(date)
self.assertIn(date, repr(date_only))
self.assertNotIn(tz_repr, repr(date_only))
self.assertNotIn(freq_repr, repr(date_only))
self.assertEqual(date_only, eval(repr(date_only)))
date_tz = Timestamp(date, tz=tz)
self.assertIn(date, repr(date_tz))
self.assertIn(tz_repr, repr(date_tz))
self.assertNotIn(freq_repr, repr(date_tz))
self.assertEqual(date_tz, eval(repr(date_tz)))
date_freq = Timestamp(date, offset=freq)
self.assertIn(date, repr(date_freq))
self.assertNotIn(tz_repr, repr(date_freq))
self.assertIn(freq_repr, repr(date_freq))
self.assertEqual(date_freq, eval(repr(date_freq)))
date_tz_freq = Timestamp(date, tz=tz, offset=freq)
self.assertIn(date, repr(date_tz_freq))
self.assertIn(tz_repr, repr(date_tz_freq))
self.assertIn(freq_repr, repr(date_tz_freq))
self.assertEqual(date_tz_freq, eval(repr(date_tz_freq)))
# this can cause the tz field to be populated, but it's redundant to information in the datestring
tm._skip_if_no_pytz()
import pytz
date_with_utc_offset = Timestamp('2014-03-13 00:00:00-0400', tz=None)
self.assertIn('2014-03-13 00:00:00-0400', repr(date_with_utc_offset))
self.assertNotIn('tzoffset', repr(date_with_utc_offset))
self.assertIn('pytz.FixedOffset(-240)', repr(date_with_utc_offset))
expr = repr(date_with_utc_offset).replace("'pytz.FixedOffset(-240)'",
'pytz.FixedOffset(-240)')
self.assertEqual(date_with_utc_offset, eval(expr))
def test_take_dont_lose_meta(self):
tm._skip_if_no_pytz()
rng = date_range('1/1/2000', periods=20, tz=self.tzstr('US/Eastern'))
result = rng.take(lrange(5))
self.assertEqual(result.tz, rng.tz)
self.assertEqual(result.freq, rng.freq)
def test_to_period_tz_explicit_pytz(self):
tm._skip_if_no_pytz()
import pytz
from dateutil.tz import tzlocal
xp = date_range('1/1/2000', '4/1/2000').to_period()
ts = date_range('1/1/2000', '4/1/2000', tz=pytz.timezone('US/Eastern'))
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertTrue(result == expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=pytz.utc)
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertTrue(result == expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=tzlocal())
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertTrue(result == expected)
tm.assert_index_equal(ts.to_period(), xp)
def test_constructor(self):
base_str = '2014-07-01 09:00'
base_dt = datetime.datetime(2014, 7, 1, 9)
base_expected = 1404205200000000000
# confirm base representation is correct
import calendar
self.assertEqual(
calendar.timegm(base_dt.timetuple()) * 1000000000, base_expected)
tests = [
(base_str, base_dt, base_expected),
('2014-07-01 10:00', datetime.datetime(2014, 7, 1, 10),
base_expected + 3600 * 1000000000),
('2014-07-01 09:00:00.000008000',
datetime.datetime(2014, 7, 1, 9, 0, 0, 8), base_expected + 8000),
('2014-07-01 09:00:00.000000005',
Timestamp('2014-07-01 09:00:00.000000005'), base_expected + 5)
]
tm._skip_if_no_pytz()
tm._skip_if_no_dateutil()
import pytz
import dateutil
timezones = [(None, 0), ('UTC', 0), (pytz.utc, 0), ('Asia/Tokyo', 9),
('US/Eastern', -4), ('dateutil/US/Pacific', -7),
(pytz.FixedOffset(-180), -3),
(dateutil.tz.tzoffset(None, 18000), 5)]
for date_str, date, expected in tests:
for result in [Timestamp(date_str), Timestamp(date)]:
# only with timestring
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# re-creation shouldn't affect to internal value
result = Timestamp(result)
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# with timezone
for tz, offset in timezones:
for result in [
Timestamp(date_str, tz=tz),
Timestamp(date, tz=tz)
]:
expected_tz = expected - offset * 3600 * 1000000000
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should preserve tz
result = Timestamp(result)
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should convert to UTC
result = Timestamp(result, tz='UTC')
expected_utc = expected - offset * 3600 * 1000000000
self.assertEqual(result.value, expected_utc)
self.assertEqual(tslib.pydt_to_i8(result), expected_utc)
def test_to_period_tz_pytz(self):
tm._skip_if_no_pytz()
from dateutil.tz import tzlocal
from pytz import utc as UTC
xp = date_range('1/1/2000', '4/1/2000').to_period()
ts = date_range('1/1/2000', '4/1/2000', tz='US/Eastern')
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertEqual(result, expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=UTC)
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertEqual(result, expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=tzlocal())
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertEqual(result, expected)
tm.assert_index_equal(ts.to_period(), xp)
def test_getitem_setitem_datetime_tz_pytz(self):
tm._skip_if_no_pytz()
from pytz import timezone as tz
from pandas import date_range
N = 50
# testing with timezone, GH #2785
rng = date_range('1/1/1990', periods=N, freq='H', tz='US/Eastern')
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()
# comparison dates with datetime MUST be localized!
date = tz('US/Central').localize(datetime(1990, 1, 1, 3))
result[date] = 0
result[date] = ts[4]
assert_series_equal(result, ts)
def test_range_tz_dst_straddle_pytz(self):
tm._skip_if_no_pytz()
from pytz import timezone
tz = timezone('US/Eastern')
dates = [(tz.localize(datetime(2014, 3, 6)),
tz.localize(datetime(2014, 3, 12))),
(tz.localize(datetime(2013, 11, 1)),
tz.localize(datetime(2013, 11, 6)))]
for (start, end) in dates:
dr = date_range(start, end, freq='D')
self.assertEqual(dr[0], start)
self.assertEqual(dr[-1], end)
self.assertEqual(np.all(dr.hour == 0), True)
dr = date_range(start, end, freq='D', tz='US/Eastern')
self.assertEqual(dr[0], start)
self.assertEqual(dr[-1], end)
self.assertEqual(np.all(dr.hour == 0), True)
dr = date_range(start.replace(tzinfo=None), end.replace(
tzinfo=None), freq='D', tz='US/Eastern')
self.assertEqual(dr[0], start)
self.assertEqual(dr[-1], end)
self.assertEqual(np.all(dr.hour == 0), True)
def test_to_period_tz_pytz(self):
tm._skip_if_no_pytz()
from dateutil.tz import tzlocal
from pytz import utc as UTC
xp = date_range('1/1/2000', '4/1/2000').to_period()
ts = date_range('1/1/2000', '4/1/2000', tz='US/Eastern')
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertEqual(result, expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=UTC)
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertEqual(result, expected)
tm.assert_index_equal(ts.to_period(), xp)
ts = date_range('1/1/2000', '4/1/2000', tz=tzlocal())
result = ts.to_period()[0]
expected = ts[0].to_period()
self.assertEqual(result, expected)
tm.assert_index_equal(ts.to_period(), xp)
def test_append_concat_tz_explicit_pytz(self):
# GH 2938
tm._skip_if_no_pytz()
from pytz import timezone as timezone
rng = date_range('5/8/2012 1:45',
periods=10,
freq='5T',
tz=timezone('US/Eastern'))
rng2 = date_range('5/8/2012 2:35',
periods=10,
freq='5T',
tz=timezone('US/Eastern'))
rng3 = date_range('5/8/2012 1:45',
periods=20,
freq='5T',
tz=timezone('US/Eastern'))
ts = Series(np.random.randn(len(rng)), rng)
df = DataFrame(np.random.randn(len(rng), 4), index=rng)
ts2 = Series(np.random.randn(len(rng2)), rng2)
df2 = DataFrame(np.random.randn(len(rng2), 4), index=rng2)
result = ts.append(ts2)
result_df = df.append(df2)
tm.assert_index_equal(result.index, rng3)
tm.assert_index_equal(result_df.index, rng3)
appended = rng.append(rng2)
tm.assert_index_equal(appended, rng3)
def test_constructor(self):
base_str = '2014-07-01 09:00'
base_dt = datetime.datetime(2014, 7, 1, 9)
base_expected = 1404205200000000000
# confirm base representation is correct
import calendar
self.assertEqual(calendar.timegm(base_dt.timetuple())
* 1000000000, base_expected)
tests = [(base_str, base_dt, base_expected),
('2014-07-01 10:00', datetime.datetime(2014, 7, 1, 10),
base_expected + 3600 * 1000000000),
('2014-07-01 09:00:00.000008000',
datetime.datetime(2014, 7, 1, 9, 0, 0, 8),
base_expected + 8000),
('2014-07-01 09:00:00.000000005',
Timestamp('2014-07-01 09:00:00.000000005'),
base_expected + 5)]
tm._skip_if_no_pytz()
tm._skip_if_no_dateutil()
import pytz
import dateutil
timezones = [(None, 0), ('UTC', 0), (pytz.utc, 0), ('Asia/Tokyo', 9),
('US/Eastern', -4), ('dateutil/US/Pacific', -7),
(pytz.FixedOffset(-180), -3),
(dateutil.tz.tzoffset(None, 18000), 5)]
for date_str, date, expected in tests:
for result in [Timestamp(date_str), Timestamp(date)]:
# only with timestring
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# re-creation shouldn't affect to internal value
result = Timestamp(result)
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# with timezone
for tz, offset in timezones:
for result in [Timestamp(date_str, tz=tz), Timestamp(date,
tz=tz)]:
expected_tz = expected - offset * 3600 * 1000000000
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should preserve tz
result = Timestamp(result)
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should convert to UTC
result = Timestamp(result, tz='UTC')
expected_utc = expected - offset * 3600 * 1000000000
self.assertEqual(result.value, expected_utc)
self.assertEqual(tslib.pydt_to_i8(result), expected_utc)
def test_repr(self):
dates = [
'2014-03-07', '2014-01-01 09:00', '2014-01-01 00:00:00.000000001'
]
timezones = ['UTC', 'Asia/Tokyo', 'US/Eastern', 'dateutil/US/Pacific']
if _np_version_under1p7:
freqs = ['D', 'M', 'S']
else:
freqs = ['D', 'M', 'S', 'N']
for date in dates:
for tz in timezones:
for freq in freqs:
# avoid to match with timezone name
freq_repr = "'{0}'".format(freq)
if tz.startswith('dateutil'):
tz_repr = tz.replace('dateutil', '')
else:
tz_repr = tz
date_only = Timestamp(date)
self.assertIn(date, repr(date_only))
self.assertNotIn(tz_repr, repr(date_only))
self.assertNotIn(freq_repr, repr(date_only))
self.assertEqual(date_only, eval(repr(date_only)))
date_tz = Timestamp(date, tz=tz)
self.assertIn(date, repr(date_tz))
self.assertIn(tz_repr, repr(date_tz))
self.assertNotIn(freq_repr, repr(date_tz))
self.assertEqual(date_tz, eval(repr(date_tz)))
date_freq = Timestamp(date, offset=freq)
self.assertIn(date, repr(date_freq))
self.assertNotIn(tz_repr, repr(date_freq))
self.assertIn(freq_repr, repr(date_freq))
self.assertEqual(date_freq, eval(repr(date_freq)))
date_tz_freq = Timestamp(date, tz=tz, offset=freq)
self.assertIn(date, repr(date_tz_freq))
self.assertIn(tz_repr, repr(date_tz_freq))
self.assertIn(freq_repr, repr(date_tz_freq))
self.assertEqual(date_tz_freq, eval(repr(date_tz_freq)))
# this can cause the tz field to be populated, but it's redundant to information in the datestring
tm._skip_if_no_pytz()
import pytz
date_with_utc_offset = Timestamp('2014-03-13 00:00:00-0400', tz=None)
self.assertIn('2014-03-13 00:00:00-0400', repr(date_with_utc_offset))
self.assertNotIn('tzoffset', repr(date_with_utc_offset))
self.assertIn('pytz.FixedOffset(-240)', repr(date_with_utc_offset))
expr = repr(date_with_utc_offset).replace("'pytz.FixedOffset(-240)'",
'pytz.FixedOffset(-240)')
self.assertEqual(date_with_utc_offset, eval(expr))
def test_timezone_info(self):
# GH 11682
# Timezone info lost when broadcasting scalar datetime to DataFrame
tm._skip_if_no_pytz()
import pytz
df = pd.DataFrame({'a': [1], 'b': [datetime.now(pytz.utc)]})
self.assertEqual(df['b'][0].tzinfo, pytz.utc)
df = pd.DataFrame({'a': [1, 2, 3]})
df['b'] = datetime.now(pytz.utc)
self.assertEqual(df['b'][0].tzinfo, pytz.utc)
def test_timezone_info(self):
# GH 11682
# Timezone info lost when broadcasting scalar datetime to DataFrame
tm._skip_if_no_pytz()
import pytz
df = pd.DataFrame({'a': [1], 'b': [datetime.now(pytz.utc)]})
assert df['b'][0].tzinfo == pytz.utc
df = pd.DataFrame({'a': [1, 2, 3]})
df['b'] = datetime.now(pytz.utc)
assert df['b'][0].tzinfo == pytz.utc
def test_constructor_datetime64_tzformat(self):
# GH 6572
tm._skip_if_no_pytz()
import pytz
# ISO 8601 format results in pytz.FixedOffset
for freq in ['AS', 'W-SUN']:
idx = date_range('2013-01-01T00:00:00-05:00',
'2016-01-01T23:59:59-05:00', freq=freq)
expected = date_range('2013-01-01T00:00:00', '2016-01-01T23:59:59',
freq=freq, tz=pytz.FixedOffset(-300))
tm.assert_index_equal(idx, expected)
# Unable to use `US/Eastern` because of DST
expected_i8 = date_range('2013-01-01T00:00:00',
'2016-01-01T23:59:59', freq=freq,
tz='America/Lima')
tm.assert_numpy_array_equal(idx.asi8, expected_i8.asi8)
idx = date_range('2013-01-01T00:00:00+09:00',
'2016-01-01T23:59:59+09:00', freq=freq)
expected = date_range('2013-01-01T00:00:00', '2016-01-01T23:59:59',
freq=freq, tz=pytz.FixedOffset(540))
tm.assert_index_equal(idx, expected)
expected_i8 = date_range('2013-01-01T00:00:00',
'2016-01-01T23:59:59', freq=freq,
tz='Asia/Tokyo')
tm.assert_numpy_array_equal(idx.asi8, expected_i8.asi8)
tm._skip_if_no_dateutil()
# Non ISO 8601 format results in dateutil.tz.tzoffset
for freq in ['AS', 'W-SUN']:
idx = date_range('2013/1/1 0:00:00-5:00', '2016/1/1 23:59:59-5:00',
freq=freq)
expected = date_range('2013-01-01T00:00:00', '2016-01-01T23:59:59',
freq=freq, tz=pytz.FixedOffset(-300))
tm.assert_index_equal(idx, expected)
# Unable to use `US/Eastern` because of DST
expected_i8 = date_range('2013-01-01T00:00:00',
'2016-01-01T23:59:59', freq=freq,
tz='America/Lima')
tm.assert_numpy_array_equal(idx.asi8, expected_i8.asi8)
idx = date_range('2013/1/1 0:00:00+9:00',
'2016/1/1 23:59:59+09:00', freq=freq)
expected = date_range('2013-01-01T00:00:00', '2016-01-01T23:59:59',
freq=freq, tz=pytz.FixedOffset(540))
tm.assert_index_equal(idx, expected)
expected_i8 = date_range('2013-01-01T00:00:00',
'2016-01-01T23:59:59', freq=freq,
tz='Asia/Tokyo')
tm.assert_numpy_array_equal(idx.asi8, expected_i8.asi8)
def test_repr(self):
dates = ["2014-03-07", "2014-01-01 09:00", "2014-01-01 00:00:00.000000001"]
timezones = ["UTC", "Asia/Tokyo", "US/Eastern", "dateutil/US/Pacific"]
freqs = ["D", "M", "S", "N"]
for date in dates:
for tz in timezones:
for freq in freqs:
# avoid to match with timezone name
freq_repr = "'{0}'".format(freq)
if tz.startswith("dateutil"):
tz_repr = tz.replace("dateutil", "")
else:
tz_repr = tz
date_only = Timestamp(date)
self.assertIn(date, repr(date_only))
self.assertNotIn(tz_repr, repr(date_only))
self.assertNotIn(freq_repr, repr(date_only))
self.assertEqual(date_only, eval(repr(date_only)))
date_tz = Timestamp(date, tz=tz)
self.assertIn(date, repr(date_tz))
self.assertIn(tz_repr, repr(date_tz))
self.assertNotIn(freq_repr, repr(date_tz))
self.assertEqual(date_tz, eval(repr(date_tz)))
date_freq = Timestamp(date, offset=freq)
self.assertIn(date, repr(date_freq))
self.assertNotIn(tz_repr, repr(date_freq))
self.assertIn(freq_repr, repr(date_freq))
self.assertEqual(date_freq, eval(repr(date_freq)))
date_tz_freq = Timestamp(date, tz=tz, offset=freq)
self.assertIn(date, repr(date_tz_freq))
self.assertIn(tz_repr, repr(date_tz_freq))
self.assertIn(freq_repr, repr(date_tz_freq))
self.assertEqual(date_tz_freq, eval(repr(date_tz_freq)))
# this can cause the tz field to be populated, but it's redundant to information in the datestring
tm._skip_if_no_pytz()
import pytz
date_with_utc_offset = Timestamp("2014-03-13 00:00:00-0400", tz=None)
self.assertIn("2014-03-13 00:00:00-0400", repr(date_with_utc_offset))
self.assertNotIn("tzoffset", repr(date_with_utc_offset))
self.assertIn("pytz.FixedOffset(-240)", repr(date_with_utc_offset))
expr = repr(date_with_utc_offset).replace("'pytz.FixedOffset(-240)'", "pytz.FixedOffset(-240)")
self.assertEqual(date_with_utc_offset, eval(expr))
def test_month_range_union_tz_pytz(self):
tm._skip_if_no_pytz()
from pytz import timezone
tz = timezone('US/Eastern')
early_start = datetime(2011, 1, 1)
early_end = datetime(2011, 3, 1)
late_start = datetime(2011, 3, 1)
late_end = datetime(2011, 5, 1)
early_dr = date_range(start=early_start, end=early_end, tz=tz, freq=datetools.monthEnd)
late_dr = date_range(start=late_start, end=late_end, tz=tz, freq=datetools.monthEnd)
early_dr.union(late_dr)
def test_month_range_union_tz_pytz(self):
tm._skip_if_no_pytz()
from pytz import timezone
tz = timezone('US/Eastern')
early_start = datetime(2011, 1, 1)
early_end = datetime(2011, 3, 1)
late_start = datetime(2011, 3, 1)
late_end = datetime(2011, 5, 1)
early_dr = date_range(start=early_start, end=early_end, tz=tz, freq=datetools.monthEnd)
late_dr = date_range(start=late_start, end=late_end, tz=tz, freq=datetools.monthEnd)
early_dr.union(late_dr)
def test_to_datetime_tz_pytz(self):
# xref 8260
tm._skip_if_no_pytz()
import pytz
us_eastern = pytz.timezone('US/Eastern')
arr = np.array([us_eastern.localize(datetime(year=2000, month=1, day=1,
hour=3, minute=0)),
us_eastern.localize(datetime(year=2000, month=6, day=1,
hour=3, minute=0))],
dtype=object)
result = pd.to_datetime(arr, utc=True)
expected = DatetimeIndex(['2000-01-01 08:00:00+00:00',
'2000-06-01 07:00:00+00:00'],
dtype='datetime64[ns, UTC]', freq=None)
tm.assert_index_equal(result, expected)
def test_index_convert_to_datetime_array(self):
tm._skip_if_no_pytz()
def _check_rng(rng):
converted = rng.to_pydatetime()
assert isinstance(converted, np.ndarray)
for x, stamp in zip(converted, rng):
assert isinstance(x, datetime)
self.assertEqual(x, stamp.to_pydatetime())
self.assertEqual(x.tzinfo, stamp.tzinfo)
rng = date_range('20090415', '20090519')
rng_eastern = date_range('20090415', '20090519', tz='US/Eastern')
rng_utc = date_range('20090415', '20090519', tz='utc')
_check_rng(rng)
_check_rng(rng_eastern)
_check_rng(rng_utc)
def test_index_convert_to_datetime_array(self):
tm._skip_if_no_pytz()
def _check_rng(rng):
converted = rng.to_pydatetime()
assert isinstance(converted, np.ndarray)
for x, stamp in zip(converted, rng):
assert isinstance(x, datetime)
self.assertEqual(x, stamp.to_pydatetime())
self.assertEqual(x.tzinfo, stamp.tzinfo)
rng = date_range('20090415', '20090519')
rng_eastern = date_range('20090415', '20090519', tz='US/Eastern')
rng_utc = date_range('20090415', '20090519', tz='utc')
_check_rng(rng)
_check_rng(rng_eastern)
_check_rng(rng_utc)
def test_index_convert_to_datetime_array_explicit_pytz(self):
tm._skip_if_no_pytz()
import pytz
def _check_rng(rng):
converted = rng.to_pydatetime()
tm.assertIsInstance(converted, np.ndarray)
for x, stamp in zip(converted, rng):
tm.assertIsInstance(x, datetime)
self.assertEqual(x, stamp.to_pydatetime())
self.assertEqual(x.tzinfo, stamp.tzinfo)
rng = date_range('20090415', '20090519')
rng_eastern = date_range('20090415', '20090519',
tz=pytz.timezone('US/Eastern'))
rng_utc = date_range('20090415', '20090519', tz=pytz.utc)
_check_rng(rng)
_check_rng(rng_eastern)
_check_rng(rng_utc)
def test_range_tz_pytz(self):
# GH 2906
tm._skip_if_no_pytz()
from pytz import timezone as tz
start = datetime(2011, 1, 1, tzinfo=tz('US/Eastern'))
end = datetime(2011, 1, 3, tzinfo=tz('US/Eastern'))
dr = date_range(start=start, periods=3)
self.assertEqual(dr.tz, tz('US/Eastern'))
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(end=end, periods=3)
self.assertEqual(dr.tz, tz('US/Eastern'))
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(start=start, end=end)
self.assertEqual(dr.tz, tz('US/Eastern'))
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
def test_range_tz_pytz(self):
# GH 2906
tm._skip_if_no_pytz()
from pytz import timezone as tz
start = datetime(2011, 1, 1, tzinfo=tz('US/Eastern'))
end = datetime(2011, 1, 3, tzinfo=tz('US/Eastern'))
dr = date_range(start=start, periods=3)
self.assertEqual(dr.tz, tz('US/Eastern'))
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(end=end, periods=3)
self.assertEqual(dr.tz, tz('US/Eastern'))
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(start=start, end=end)
self.assertEqual(dr.tz, tz('US/Eastern'))
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
def test_append_concat_tz(self):
# GH 2938
tm._skip_if_no_pytz()
rng = date_range('5/8/2012 1:45', periods=10, freq='5T',
tz='US/Eastern')
rng2 = date_range('5/8/2012 2:35', periods=10, freq='5T',
tz='US/Eastern')
rng3 = date_range('5/8/2012 1:45', periods=20, freq='5T',
tz='US/Eastern')
ts = Series(np.random.randn(len(rng)), rng)
df = DataFrame(np.random.randn(len(rng), 4), index=rng)
ts2 = Series(np.random.randn(len(rng2)), rng2)
df2 = DataFrame(np.random.randn(len(rng2), 4), index=rng2)
result = ts.append(ts2)
result_df = df.append(df2)
tm.assert_index_equal(result.index, rng3)
tm.assert_index_equal(result_df.index, rng3)
appended = rng.append(rng2)
tm.assert_index_equal(appended, rng3)
def test_range_tz_pytz(self):
# GH 2906
tm._skip_if_no_pytz()
from pytz import timezone
tz = timezone('US/Eastern')
start = tz.localize(datetime(2011, 1, 1))
end = tz.localize(datetime(2011, 1, 3))
dr = date_range(start=start, periods=3)
self.assertEqual(dr.tz.zone, tz.zone)
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(end=end, periods=3)
self.assertEqual(dr.tz.zone, tz.zone)
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(start=start, end=end)
self.assertEqual(dr.tz.zone, tz.zone)
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
def test_range_tz_pytz(self):
# GH 2906
tm._skip_if_no_pytz()
from pytz import timezone
tz = timezone('US/Eastern')
start = tz.localize(datetime(2011, 1, 1))
end = tz.localize(datetime(2011, 1, 3))
dr = date_range(start=start, periods=3)
assert dr.tz.zone == tz.zone
assert dr[0] == start
assert dr[2] == end
dr = date_range(end=end, periods=3)
assert dr.tz.zone == tz.zone
assert dr[0] == start
assert dr[2] == end
dr = date_range(start=start, end=end)
assert dr.tz.zone == tz.zone
assert dr[0] == start
assert dr[2] == end
def test_range_tz_pytz(self):
# GH 2906
tm._skip_if_no_pytz()
from pytz import timezone
tz = timezone('US/Eastern')
start = tz.localize(datetime(2011, 1, 1))
end = tz.localize(datetime(2011, 1, 3))
dr = date_range(start=start, periods=3)
self.assertEqual(dr.tz.zone, tz.zone)
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(end=end, periods=3)
self.assertEqual(dr.tz.zone, tz.zone)
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
dr = date_range(start=start, end=end)
self.assertEqual(dr.tz.zone, tz.zone)
self.assertEqual(dr[0], start)
self.assertEqual(dr[2], end)
def setUp(self):
tm._skip_if_no_pytz()
def test_summary_pytz(self):
tm._skip_if_no_pytz()
import pytz
cdate_range('1/1/2005', '1/1/2009', tz=pytz.utc).summary()
def setUp(self):
tm._skip_if_no_pytz()
def test_summary_pytz(self):
tm._skip_if_no_pytz()
import pytz
cdate_range('1/1/2005', '1/1/2009', tz=pytz.utc).summary()
def test_constructor_with_stringoffset(self):
# GH 7833
base_str = '2014-07-01 11:00:00+02:00'
base_dt = datetime.datetime(2014, 7, 1, 9)
base_expected = 1404205200000000000
# confirm base representation is correct
import calendar
self.assertEqual(
calendar.timegm(base_dt.timetuple()) * 1000000000, base_expected)
tests = [(base_str, base_expected),
('2014-07-01 12:00:00+02:00',
base_expected + 3600 * 1000000000),
('2014-07-01 11:00:00.000008000+02:00', base_expected + 8000),
('2014-07-01 11:00:00.000000005+02:00', base_expected + 5)]
tm._skip_if_no_pytz()
tm._skip_if_no_dateutil()
import pytz
import dateutil
timezones = [(None, 0), ('UTC', 0), (pytz.utc, 0), ('Asia/Tokyo', 9),
('US/Eastern', -4), ('dateutil/US/Pacific', -7),
(pytz.FixedOffset(-180), -3),
(dateutil.tz.tzoffset(None, 18000), 5)]
for date_str, expected in tests:
for result in [Timestamp(date_str)]:
# only with timestring
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# re-creation shouldn't affect to internal value
result = Timestamp(result)
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# with timezone
for tz, offset in timezones:
result = Timestamp(date_str, tz=tz)
expected_tz = expected
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should preserve tz
result = Timestamp(result)
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should convert to UTC
result = Timestamp(result, tz='UTC')
expected_utc = expected
self.assertEqual(result.value, expected_utc)
self.assertEqual(tslib.pydt_to_i8(result), expected_utc)
# This should be 2013-11-01 05:00 in UTC
# converted to Chicago tz
result = Timestamp('2013-11-01 00:00:00-0500', tz='America/Chicago')
self.assertEqual(result.value, Timestamp('2013-11-01 05:00').value)
expected = "Timestamp('2013-11-01 00:00:00-0500', tz='America/Chicago')" # noqa
self.assertEqual(repr(result), expected)
self.assertEqual(result, eval(repr(result)))
# This should be 2013-11-01 05:00 in UTC
# converted to Tokyo tz (+09:00)
result = Timestamp('2013-11-01 00:00:00-0500', tz='Asia/Tokyo')
self.assertEqual(result.value, Timestamp('2013-11-01 05:00').value)
expected = "Timestamp('2013-11-01 14:00:00+0900', tz='Asia/Tokyo')"
self.assertEqual(repr(result), expected)
self.assertEqual(result, eval(repr(result)))
# GH11708
# This should be 2015-11-18 10:00 in UTC
# converted to Asia/Katmandu
result = Timestamp("2015-11-18 15:45:00+05:45", tz="Asia/Katmandu")
self.assertEqual(result.value, Timestamp("2015-11-18 10:00").value)
expected = "Timestamp('2015-11-18 15:45:00+0545', tz='Asia/Katmandu')"
self.assertEqual(repr(result), expected)
self.assertEqual(result, eval(repr(result)))
# This should be 2015-11-18 10:00 in UTC
# converted to Asia/Kolkata
result = Timestamp("2015-11-18 15:30:00+05:30", tz="Asia/Kolkata")
self.assertEqual(result.value, Timestamp("2015-11-18 10:00").value)
expected = "Timestamp('2015-11-18 15:30:00+0530', tz='Asia/Kolkata')"
self.assertEqual(repr(result), expected)
self.assertEqual(result, eval(repr(result)))
def test_insert(self):
idx = DatetimeIndex(['2000-01-04', '2000-01-01', '2000-01-02'],
name='idx')
result = idx.insert(2, datetime(2000, 1, 5))
exp = DatetimeIndex(
['2000-01-04', '2000-01-01', '2000-01-05', '2000-01-02'],
name='idx')
tm.assert_index_equal(result, exp)
# insertion of non-datetime should coerce to object index
result = idx.insert(1, 'inserted')
expected = Index([
datetime(2000, 1, 4), 'inserted',
datetime(2000, 1, 1),
datetime(2000, 1, 2)
],
name='idx')
assert not isinstance(result, DatetimeIndex)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
idx = date_range('1/1/2000', periods=3, freq='M', name='idx')
# preserve freq
expected_0 = DatetimeIndex(
['1999-12-31', '2000-01-31', '2000-02-29', '2000-03-31'],
name='idx',
freq='M')
expected_3 = DatetimeIndex(
['2000-01-31', '2000-02-29', '2000-03-31', '2000-04-30'],
name='idx',
freq='M')
# reset freq to None
expected_1_nofreq = DatetimeIndex(
['2000-01-31', '2000-01-31', '2000-02-29', '2000-03-31'],
name='idx',
freq=None)
expected_3_nofreq = DatetimeIndex(
['2000-01-31', '2000-02-29', '2000-03-31', '2000-01-02'],
name='idx',
freq=None)
cases = [(0, datetime(1999, 12, 31), expected_0),
(-3, datetime(1999, 12, 31), expected_0),
(3, datetime(2000, 4, 30), expected_3),
(1, datetime(2000, 1, 31), expected_1_nofreq),
(3, datetime(2000, 1, 2), expected_3_nofreq)]
for n, d, expected in cases:
result = idx.insert(n, d)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.freq == expected.freq
# reset freq to None
result = idx.insert(3, datetime(2000, 1, 2))
expected = DatetimeIndex(
['2000-01-31', '2000-02-29', '2000-03-31', '2000-01-02'],
name='idx',
freq=None)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.freq is None
# GH 7299
tm._skip_if_no_pytz()
import pytz
idx = date_range('1/1/2000',
periods=3,
freq='D',
tz='Asia/Tokyo',
name='idx')
with pytest.raises(ValueError):
idx.insert(3, pd.Timestamp('2000-01-04'))
with pytest.raises(ValueError):
idx.insert(3, datetime(2000, 1, 4))
with pytest.raises(ValueError):
idx.insert(3, pd.Timestamp('2000-01-04', tz='US/Eastern'))
with pytest.raises(ValueError):
idx.insert(
3, datetime(2000, 1, 4, tzinfo=pytz.timezone('US/Eastern')))
for tz in ['US/Pacific', 'Asia/Singapore']:
idx = date_range('1/1/2000 09:00',
periods=6,
freq='H',
tz=tz,
name='idx')
# preserve freq
expected = date_range('1/1/2000 09:00',
periods=7,
freq='H',
tz=tz,
name='idx')
for d in [
pd.Timestamp('2000-01-01 15:00', tz=tz),
pytz.timezone(tz).localize(datetime(2000, 1, 1, 15))
]:
result = idx.insert(6, d)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.freq == expected.freq
assert result.tz == expected.tz
expected = DatetimeIndex([
'2000-01-01 09:00', '2000-01-01 10:00', '2000-01-01 11:00',
'2000-01-01 12:00', '2000-01-01 13:00', '2000-01-01 14:00',
'2000-01-01 10:00'
],
name='idx',
tz=tz,
freq=None)
# reset freq to None
for d in [
pd.Timestamp('2000-01-01 10:00', tz=tz),
pytz.timezone(tz).localize(datetime(2000, 1, 1, 10))
]:
result = idx.insert(6, d)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.tz == expected.tz
assert result.freq is None
def test_constructor_with_stringoffset(self):
# GH 7833
base_str = '2014-07-01 11:00:00+02:00'
base_dt = datetime.datetime(2014, 7, 1, 9)
base_expected = 1404205200000000000
# confirm base representation is correct
import calendar
self.assertEqual(calendar.timegm(base_dt.timetuple()) * 1000000000, base_expected)
tests = [(base_str, base_expected),
('2014-07-01 12:00:00+02:00', base_expected + 3600 * 1000000000),
('2014-07-01 11:00:00.000008000+02:00', base_expected + 8000),
('2014-07-01 11:00:00.000000005+02:00', base_expected + 5)]
tm._skip_if_no_pytz()
tm._skip_if_no_dateutil()
import pytz
import dateutil
timezones = [(None, 0), ('UTC', 0), (pytz.utc, 0),
('Asia/Tokyo', 9), ('US/Eastern', -4),
('dateutil/US/Pacific', -7),
(pytz.FixedOffset(-180), -3), (dateutil.tz.tzoffset(None, 18000), 5)]
for date_str, expected in tests:
for result in [Timestamp(date_str)]:
# only with timestring
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# re-creation shouldn't affect to internal value
result = Timestamp(result)
self.assertEqual(result.value, expected)
self.assertEqual(tslib.pydt_to_i8(result), expected)
# with timezone
for tz, offset in timezones:
result = Timestamp(date_str, tz=tz)
expected_tz = expected
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should preserve tz
result = Timestamp(result)
self.assertEqual(result.value, expected_tz)
self.assertEqual(tslib.pydt_to_i8(result), expected_tz)
# should convert to UTC
result = Timestamp(result, tz='UTC')
expected_utc = expected
self.assertEqual(result.value, expected_utc)
self.assertEqual(tslib.pydt_to_i8(result), expected_utc)
# This should be 2013-11-01 05:00 in UTC -> converted to Chicago tz
result = Timestamp('2013-11-01 00:00:00-0500', tz='America/Chicago')
self.assertEqual(result.value, Timestamp('2013-11-01 05:00').value)
expected_repr = "Timestamp('2013-11-01 00:00:00-0500', tz='America/Chicago')"
self.assertEqual(repr(result), expected_repr)
self.assertEqual(result, eval(repr(result)))
# This should be 2013-11-01 05:00 in UTC -> converted to Tokyo tz (+09:00)
result = Timestamp('2013-11-01 00:00:00-0500', tz='Asia/Tokyo')
self.assertEqual(result.value, Timestamp('2013-11-01 05:00').value)
expected_repr = "Timestamp('2013-11-01 14:00:00+0900', tz='Asia/Tokyo')"
self.assertEqual(repr(result), expected_repr)
self.assertEqual(result, eval(repr(result)))
def test_insert(self):
idx = DatetimeIndex(
['2000-01-04', '2000-01-01', '2000-01-02'], name='idx')
result = idx.insert(2, datetime(2000, 1, 5))
exp = DatetimeIndex(['2000-01-04', '2000-01-01', '2000-01-05',
'2000-01-02'], name='idx')
tm.assert_index_equal(result, exp)
# insertion of non-datetime should coerce to object index
result = idx.insert(1, 'inserted')
expected = Index([datetime(2000, 1, 4), 'inserted',
datetime(2000, 1, 1),
datetime(2000, 1, 2)], name='idx')
assert not isinstance(result, DatetimeIndex)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
idx = date_range('1/1/2000', periods=3, freq='M', name='idx')
# preserve freq
expected_0 = DatetimeIndex(['1999-12-31', '2000-01-31', '2000-02-29',
'2000-03-31'], name='idx', freq='M')
expected_3 = DatetimeIndex(['2000-01-31', '2000-02-29', '2000-03-31',
'2000-04-30'], name='idx', freq='M')
# reset freq to None
expected_1_nofreq = DatetimeIndex(['2000-01-31', '2000-01-31',
'2000-02-29',
'2000-03-31'], name='idx',
freq=None)
expected_3_nofreq = DatetimeIndex(['2000-01-31', '2000-02-29',
'2000-03-31',
'2000-01-02'], name='idx',
freq=None)
cases = [(0, datetime(1999, 12, 31), expected_0),
(-3, datetime(1999, 12, 31), expected_0),
(3, datetime(2000, 4, 30), expected_3),
(1, datetime(2000, 1, 31), expected_1_nofreq),
(3, datetime(2000, 1, 2), expected_3_nofreq)]
for n, d, expected in cases:
result = idx.insert(n, d)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.freq == expected.freq
# reset freq to None
result = idx.insert(3, datetime(2000, 1, 2))
expected = DatetimeIndex(['2000-01-31', '2000-02-29', '2000-03-31',
'2000-01-02'], name='idx', freq=None)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.freq is None
# GH 7299
tm._skip_if_no_pytz()
import pytz
idx = date_range('1/1/2000', periods=3, freq='D', tz='Asia/Tokyo',
name='idx')
with pytest.raises(ValueError):
idx.insert(3, pd.Timestamp('2000-01-04'))
with pytest.raises(ValueError):
idx.insert(3, datetime(2000, 1, 4))
with pytest.raises(ValueError):
idx.insert(3, pd.Timestamp('2000-01-04', tz='US/Eastern'))
with pytest.raises(ValueError):
idx.insert(3, datetime(2000, 1, 4,
tzinfo=pytz.timezone('US/Eastern')))
for tz in ['US/Pacific', 'Asia/Singapore']:
idx = date_range('1/1/2000 09:00', periods=6, freq='H', tz=tz,
name='idx')
# preserve freq
expected = date_range('1/1/2000 09:00', periods=7, freq='H', tz=tz,
name='idx')
for d in [pd.Timestamp('2000-01-01 15:00', tz=tz),
pytz.timezone(tz).localize(datetime(2000, 1, 1, 15))]:
result = idx.insert(6, d)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.freq == expected.freq
assert result.tz == expected.tz
expected = DatetimeIndex(['2000-01-01 09:00', '2000-01-01 10:00',
'2000-01-01 11:00',
'2000-01-01 12:00', '2000-01-01 13:00',
'2000-01-01 14:00',
'2000-01-01 10:00'], name='idx',
tz=tz, freq=None)
# reset freq to None
for d in [pd.Timestamp('2000-01-01 10:00', tz=tz),
pytz.timezone(tz).localize(datetime(2000, 1, 1, 10))]:
result = idx.insert(6, d)
tm.assert_index_equal(result, expected)
assert result.name == expected.name
assert result.tz == expected.tz
assert result.freq is None
