def test_DimensionCoordinate_convert_reference_time(self):
d = cf.DimensionCoordinate()
d.set_data(
cf.Data([1, 2, 3], 'months since 2004-1-1', calendar='gregorian'))
self.assertTrue((d.array == [1., 2, 3]).all())
e = d.copy()
self.assertIsNone(
e.convert_reference_time(calendar_months=True, inplace=True))
f = d.convert_reference_time(calendar_months=True)
for x in (e, f):
self.assertTrue((x.array == [31., 60., 91.]).all())
self.assertTrue((x.datetime_array == [
cf.dt('2004-02-01 00:00:00', calendar='gregorian'),
cf.dt('2004-03-01 00:00:00', calendar='gregorian'),
cf.dt('2004-04-01 00:00:00', calendar='gregorian')
]).all())
self.assertTrue((d.array == [1., 2, 3]).all())
d = cf.DimensionCoordinate()
d.set_data(
cf.Data([1, 2, 3], 'months since 2004-1-1', calendar='360_day'))
e = d.copy()
self.assertIsNone(
e.convert_reference_time(calendar_months=True, inplace=True))
f = d.convert_reference_time(calendar_months=True)
for x in (e, f):
self.assertTrue((x.array == [30., 60., 90.]).all())
self.assertTrue((x.datetime_array == [
cf.dt('2004-02-01 00:00:00', calendar='360_day'),
cf.dt('2004-03-01 00:00:00', calendar='360_day'),
cf.dt('2004-04-01 00:00:00', calendar='360_day')
]).all())
self.assertTrue((d.array == [1., 2, 3]).all())
d = cf.DimensionCoordinate()
d.set_data(
cf.Data([1, 2, 3], 'months since 2004-1-1', calendar='noleap'))
e = d.copy()
self.assertIsNone(
e.convert_reference_time(calendar_months=True, inplace=True))
f = d.convert_reference_time(calendar_months=True)
for x in (e, f):
self.assertTrue((x.array == [31., 59., 90.]).all())
self.assertTrue((x.datetime_array == [
cf.dt('2004-02-01 00:00:00', calendar='noleap'),
cf.dt('2004-03-01 00:00:00', calendar='noleap'),
cf.dt('2004-04-01 00:00:00', calendar='noleap')
]).all())
self.assertTrue((d.array == [1., 2, 3]).all())
def test_DimensionCoordinate_convert_reference_time(self):
d = cf.DimensionCoordinate()
d.set_data(
cf.Data([1, 2, 3], "months since 2004-1-1", calendar="gregorian"))
self.assertTrue((d.array == [1.0, 2, 3]).all())
e = d.copy()
self.assertIsNone(
e.convert_reference_time(calendar_months=True, inplace=True))
f = d.convert_reference_time(calendar_months=True)
for x in (e, f):
self.assertTrue((x.array == [31.0, 60.0, 91.0]).all())
self.assertTrue((x.datetime_array == [
cf.dt("2004-02-01 00:00:00", calendar="gregorian"),
cf.dt("2004-03-01 00:00:00", calendar="gregorian"),
cf.dt("2004-04-01 00:00:00", calendar="gregorian"),
]).all())
self.assertTrue((d.array == [1.0, 2, 3]).all())
d = cf.DimensionCoordinate()
d.set_data(
cf.Data([1, 2, 3], "months since 2004-1-1", calendar="360_day"))
e = d.copy()
self.assertIsNone(
e.convert_reference_time(calendar_months=True, inplace=True))
f = d.convert_reference_time(calendar_months=True)
for x in (e, f):
self.assertTrue((x.array == [30.0, 60.0, 90.0]).all())
self.assertTrue((x.datetime_array == [
cf.dt("2004-02-01 00:00:00", calendar="360_day"),
cf.dt("2004-03-01 00:00:00", calendar="360_day"),
cf.dt("2004-04-01 00:00:00", calendar="360_day"),
]).all())
self.assertTrue((d.array == [1.0, 2, 3]).all())
d = cf.DimensionCoordinate()
d.set_data(
cf.Data([1, 2, 3], "months since 2004-1-1", calendar="noleap"))
e = d.copy()
self.assertIsNone(
e.convert_reference_time(calendar_months=True, inplace=True))
f = d.convert_reference_time(calendar_months=True)
for x in (e, f):
self.assertTrue((x.array == [31.0, 59.0, 90.0]).all())
self.assertTrue((x.datetime_array == [
cf.dt("2004-02-01 00:00:00", calendar="noleap"),
cf.dt("2004-03-01 00:00:00", calendar="noleap"),
cf.dt("2004-04-01 00:00:00", calendar="noleap"),
]).all())
self.assertTrue((d.array == [1.0, 2, 3]).all())
def test_Datetime_rt2dt(self):
self.assertEqual(
cf.cfdatetime.rt2dt(1, Units('days since 2004-2-28')),
numpy.array(cf.dt(2004, 2, 29, calendar='standard'), dtype='O'))
self.assertTrue((cf.cfdatetime.rt2dt(
[1, 3], Units('days since 2004-2-28')) == numpy.array([
datetime.datetime(2004, 2, 29),
datetime.datetime(2004, 3, 2)
])).all())
a = numpy.array([
cf.dt(2004, 2, 29, calendar=None),
cf.dt(2004, 3, 2, calendar='gregorian')
],
dtype='O')
b = cf.cfdatetime.rt2dt([1, 3], Units('days since 2004-2-28'))
self.assertTrue((a == b).all())
def test_Datetime_dt2rt(self):
units = Units('days since 2004-2-28')
self.assertEqual(
cf.cfdatetime.dt2rt(datetime.datetime(2004, 2, 29), None, units),
numpy.array(1.0))
self.assertTrue((cf.cfdatetime.dt2rt(
[datetime.datetime(2004, 2, 29),
datetime.datetime(2004, 3, 2)], None,
units) == numpy.array([1., 3.])).all())
units = Units('days since 2004-2-28', '360_day')
self.assertTrue((cf.cfdatetime.dt2rt(
[cf.dt(2004, 2, 29), cf.dt(2004, 3, 1)], None,
units) == numpy.array([1., 3.])).all())
units = Units('seconds since 2004-2-28')
self.assertEqual(
cf.cfdatetime.dt2rt(datetime.datetime(2004, 2, 29), None, units),
numpy.array(86400.0))
def test_Datetime(self):
d = cf.dt(2003)
d = cf.dt(2003, 2)
d = cf.dt(2003, 2, 30, calendar='360_day')
d = cf.dt(2003, 2, 30, 0, 0, calendar='360_day')
d = cf.dt(2003, 2, 30, 0, 0, 0, calendar='360_day')
d = cf.dt(2003, 4, 5, 12, 30, 15)
d = cf.dt(2003, month=4, day=5, hour=12, minute=30, second=15)
def test_Datetime_dt_vector(self):
for v in (2000, [2000], [[2000]], "2000-01-1", ["2000-01-1"]):
x = cf.dt_vector(v)
self.assertIsInstance(x, np.ndarray)
self.assertEqual(x[0], cf.dt(2000, 1, 1))
for v in ([2000, 2001], [[2000], [2001]]):
x = cf.dt_vector(v)
self.assertIsInstance(x, np.ndarray)
self.assertEqual(
x.tolist(),
[cf.dt(2000, 1, 1), cf.dt(2001, 1, 1)])
for v in ([[2000, 1], [2001, 2]], ["2000-01-1", "2001-02-1"]):
x = cf.dt_vector(v)
self.assertIsInstance(x, np.ndarray)
self.assertEqual(
x.tolist(),
[cf.dt(2000, 1, 1), cf.dt(2001, 2, 1)])
def test_Datetime_rt2dt(self):
for a in (1, np.array(1), np.ma.array(1)):
self.assertEqual(
cf.cfdatetime.rt2dt(a, Units("days since 2004-2-28")),
np.array(cf.dt(2004, 2, 29, calendar="standard"), dtype="O"),
)
for a in (np.ma.array(1, mask=True), np.ma.array([1], mask=True)):
b = cf.cfdatetime.rt2dt(a, Units("days since 2004-2-28"))
self.assertIsInstance(b, np.ndarray)
self.assertEqual(b.mask, True)
self.assertTrue(
(cf.cfdatetime.rt2dt([1, 3],
Units("days since 2004-2-28")) == np.array([
datetime.datetime(2004, 2, 29),
datetime.datetime(2004, 3, 2),
])).all())
a = np.array(
[
cf.dt(2004, 2, 29, calendar=None),
cf.dt(2004, 3, 2, calendar="gregorian"),
],
dtype="O",
)
b = cf.cfdatetime.rt2dt([1, 3], Units("days since 2004-2-28"))
self.assertTrue((a == b).all())
for a in (
np.ma.array(3),
np.ma.array([3]),
):
b = cf.cfdatetime.rt2dt(a, Units("days since 1970-01-01"))
self.assertEqual(b, cf.dt(1970, 1, 4, calendar="gregorian"))
for a in (
np.ma.array(3, mask=True),
np.ma.array([3], mask=True),
):
b = cf.cfdatetime.rt2dt(a, Units("days since 1970-01-01"))
self.assertEqual(b.mask, True)
def test_Datetime_dt2rt(self):
units = Units("days since 2004-2-28")
self.assertEqual(
cf.cfdatetime.dt2rt(datetime.datetime(2004, 2, 29), None, units),
np.array(1.0),
)
self.assertTrue((cf.cfdatetime.dt2rt(
[
datetime.datetime(2004, 2, 29),
datetime.datetime(2004, 3, 2),
],
None,
units,
) == np.array([1.0, 3.0])).all())
units = Units("days since 2004-2-28", "360_day")
self.assertTrue((cf.cfdatetime.dt2rt(
[cf.dt(2004, 2, 29), cf.dt(2004, 3, 1)], None,
units) == np.array([1.0, 3.0])).all())
units = Units("seconds since 2004-2-28")
self.assertEqual(
cf.cfdatetime.dt2rt(datetime.datetime(2004, 2, 29), None, units),
np.array(86400.0),
)
def test_Datetime_Data(self):
d = cf.Data([1, 2, 3], "days since 2004-02-28")
self.assertTrue((d < cf.dt(2005, 2, 28)).all())
with self.assertRaises(Exception):
d < cf.dt(2005, 2, 29)
with self.assertRaises(Exception):
d < cf.dt(2005, 2, 29, calendar="360_day")
d = cf.Data([1, 2, 3], "days since 2004-02-28", calendar="360_day")
self.assertTrue((d < cf.dt(2005, 2, 28)).all())
self.assertTrue((d < cf.dt(2005, 2, 29)).all())
self.assertTrue((d < cf.dt(2005, 2, 30)).all())
with self.assertRaises(Exception):
d < cf.dt(2005, 2, 31)
with self.assertRaises(Exception):
d < cf.dt(2005, 2, 29, calendar="noleap")
def test_Query_datetime1(self):
d = cf.Data([[1., 5.], [6, 2]], 'days since 2000-12-29 21:00:00',
calendar='standard')
message = 'Diff ='+str((d-cf.Data(cf.dt(
'2001-01-03 21:00:00', calendar='standard'))).array)
self.assertTrue(
(d == cf.eq(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[False, True], [False, False]]), verbose=2),
message
)
self.assertTrue(
(d == cf.ne(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[True, False], [True, True]])),
message
)
self.assertTrue(
(d == cf.ge(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[False, True], [True, False]])),
message
)
self.assertTrue(
(d == cf.gt(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[False, False], [True, False]])),
message
)
self.assertTrue(
(d == cf.le(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[True, True], [False, True]])),
message
)
self.assertTrue(
(d == cf.lt(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[True, False], [False, True]])),
message
)
self.assertTrue(
(d == cf.wi(cf.dt('2000-12-31 21:00:00'),
cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[False, True], [False, True]])),
message
)
self.assertTrue(
(d == cf.wo(cf.dt('2000-12-31 21:00:00'),
cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[True, False], [True, False]])),
message
)
self.assertTrue(
(d == cf.set([cf.dt('2000-12-31 21:00:00'),
cf.dt('2001-01-03 21:00:00')])).equals(
cf.Data([[False, True], [False, True]])),
message
)
_ = cf.seasons()
[cf.seasons(n, start) for n in [1, 2, 3, 4, 6, 12]
for start in range(1, 13)]
with self.assertRaises(Exception):
cf.seasons(13)
with self.assertRaises(Exception):
cf.seasons(start=8.456)
_ = cf.mam()
_ = cf.djf()
_ = cf.jja()
_ = cf.son()
def test_TimeDuration_bounds(self):
for direction in (True, False):
for x, y in zip(
[
cf.Y().bounds(cf.dt(1984, 1, 1), direction=direction),
cf.Y().bounds(cf.dt(1984, 12, 1), direction=direction),
cf.Y().bounds(cf.dt(1984, 12, 3), direction=direction),
cf.Y(month=9).bounds(
cf.dt(1984, 1, 1), direction=direction
),
cf.Y(month=9).bounds(
cf.dt(1984, 3, 3), direction=direction
),
cf.Y(month=9).bounds(
cf.dt(1984, 9, 20), direction=direction
),
cf.Y(month=9, day=13).bounds(
cf.dt(1984, 12, 12), direction=direction
),
],
[
(
cf.dt("1984-01-01", calendar="standard"),
cf.dt("1985-01-01", calendar="standard"),
),
(
cf.dt("1984-01-01", calendar="standard"),
cf.dt("1985-01-01", calendar="standard"),
),
(
cf.dt("1984-01-01", calendar="standard"),
cf.dt("1985-01-01", calendar="standard"),
),
(
cf.dt("1983-09-01", calendar="standard"),
cf.dt("1984-09-01", calendar="standard"),
),
(
cf.dt("1983-09-01", calendar="standard"),
cf.dt("1984-09-01", calendar="standard"),
),
(
cf.dt("1984-09-01", calendar="standard"),
cf.dt("1985-09-01", calendar="standard"),
),
(
cf.dt("1984-09-13", calendar="standard"),
cf.dt("1985-09-13", calendar="standard"),
),
],
):
if direction is False:
y = y[::-1]
self.assertEqual(x, y, f"{x}!={y} direction={direction}")
for x, y in zip(
[
cf.M().bounds(cf.dt(1984, 1, 1), direction=direction),
cf.M().bounds(cf.dt(1984, 12, 1), direction=direction),
cf.M().bounds(cf.dt(1984, 12, 3), direction=direction),
cf.M(day=15).bounds(
cf.dt(1984, 12, 1), direction=direction
),
cf.M(day=15).bounds(
cf.dt(1984, 12, 3), direction=direction
),
cf.M(day=15).bounds(
cf.dt(1984, 12, 15), direction=direction
),
cf.M(day=15).bounds(
cf.dt(1984, 12, 20), direction=direction
),
],
[
(
cf.dt("1984-01-01", calendar="standard"),
cf.dt("1984-02-01", calendar="standard"),
),
(
cf.dt("1984-12-01", calendar="standard"),
cf.dt("1985-01-01", calendar="standard"),
),
(
cf.dt("1984-12-01", calendar="standard"),
cf.dt("1985-01-01", calendar="standard"),
),
(
cf.dt("1984-11-15", calendar="standard"),
cf.dt("1984-12-15", calendar="standard"),
),
(
cf.dt("1984-11-15", calendar="standard"),
cf.dt("1984-12-15", calendar="standard"),
),
(
cf.dt("1984-12-15", calendar="standard"),
cf.dt("1985-01-15", calendar="standard"),
),
(
cf.dt("1984-12-15", calendar="standard"),
cf.dt("1985-01-15", calendar="standard"),
),
],
):
if direction is False:
y = y[::-1]
self.assertEqual(x, y, f"{x}!={y}")
for x, y in zip(
[
cf.D().bounds(cf.dt(1984, 1, 1), direction=direction),
cf.D().bounds(cf.dt(1984, 12, 3), direction=direction),
cf.D(hour=15).bounds(
cf.dt(1984, 12, 1), direction=direction
),
cf.D(hour=15).bounds(
cf.dt(1984, 12, 1, 12), direction=direction
),
cf.D(hour=15).bounds(
cf.dt(1984, 12, 1, 15), direction=direction
),
cf.D(hour=15).bounds(
cf.dt(1984, 12, 1, 20), direction=direction
),
],
[
(
cf.dt("1984-01-01", calendar="gregorian"),
cf.dt("1984-01-02", calendar="gregorian"),
),
(
cf.dt("1984-12-03", calendar="gregorian"),
cf.dt("1984-12-04", calendar="gregorian"),
),
(
cf.dt("1984-11-30 15:00", calendar="gregorian"),
cf.dt("1984-12-01 15:00", calendar="gregorian"),
),
(
cf.dt("1984-11-30 15:00", calendar="gregorian"),
cf.dt("1984-12-01 15:00", calendar="gregorian"),
),
(
cf.dt("1984-12-01 15:00", calendar="gregorian"),
cf.dt("1984-12-02 15:00", calendar="gregorian"),
),
(
cf.dt("1984-12-01 15:00", calendar="gregorian"),
cf.dt("1984-12-02 15:00", calendar="gregorian"),
),
],
):
if direction is False:
y = y[::-1]
self.assertEqual(x, y, f"{x}!={y}")
def test_Datetime(self):
cf.dt(2003)
cf.dt(2003, 2)
cf.dt(2003, 2, 30, calendar="360_day")
cf.dt(2003, 2, 30, 0, 0, calendar="360_day")
cf.dt(2003, 2, 30, 0, 0, 0, calendar="360_day")
cf.dt(2003, 4, 5, 12, 30, 15)
cf.dt(2003, month=4, day=5, hour=12, minute=30, second=15)
def test_TimeDuration_arithmetic(self):
self.assertEqual(cf.M() + cf.dt(2000, 1, 1), cf.dt(2000, 2, 1))
self.assertEqual(cf.M() * 8, cf.M(8))
self.assertEqual(cf.M() * 8.5, cf.M(8.5))
self.assertEqual(cf.dt(2000, 1, 1) + cf.M(), cf.dt(2000, 2, 1))
self.assertEqual(cf.dt(2000, 1, 1) - cf.M(), cf.dt(1999, 12, 1))
self.assertEqual(
cf.M() + datetime.datetime(2000, 1, 1),
cf.dt(2000, 2, 1, calendar="gregorian"),
)
self.assertEqual(
datetime.datetime(2000, 1, 1) + cf.M(),
cf.dt(2000, 2, 1, calendar="gregorian"),
)
self.assertEqual(
datetime.datetime(2000, 1, 1) - cf.M(),
cf.dt(1999, 12, 1, calendar="gregorian"),
)
d = cf.dt(2000, 1, 1)
d += cf.M()
self.assertEqual(d, cf.dt(2000, 2, 1))
d -= cf.M()
self.assertEqual(d, cf.dt(2000, 1, 1))
d = datetime.datetime(2000, 1, 1)
d += cf.M()
self.assertEqual(d, cf.dt(2000, 2, 1, calendar="gregorian"))
d -= cf.M()
self.assertEqual(d, cf.dt(2000, 1, 1, calendar="gregorian"))
self.assertEqual(cf.M() * 8, cf.M(8))
self.assertEqual(cf.M() * 8.5, cf.M(8.5))
self.assertEqual(cf.M() / 2.0, cf.M(0.5))
self.assertEqual(cf.M(8) / 3, cf.M(8 / 3))
self.assertEqual(cf.M(8) // 3, cf.M(2))
# Test arithmetic involving Data as well as datetimes:
da = cf.Data([2], units="days since 2000-01-01")
dt = cf.TimeDuration(14, "day")
t0 = da + dt
t1 = dt + da
self.assertEqual(
t0,
cf.dt(2000, 1, 17, calendar="gregorian"),
)
self.assertEqual(t0, t1)
t2 = dt - da
t3 = da - dt
self.assertEqual(
t2,
cf.dt(1999, 12, 20, calendar="gregorian"),
)
self.assertEqual(t2, t3)
# patch dimensions
x = cf.DimensionCoordinate(data=cf.Data(lon, units='degrees_east'),
properties={'standard_name': 'longitude'})
x.axis = 'X'
y = cf.DimensionCoordinate(data=cf.Data(lat, units='degrees_north'),
properties={'standard_name': 'latitude'})
y.axis = 'Y'
z = cf.DimensionCoordinate(data=cf.Data(height, units='m'),
properties={'standard_name': 'height'})
z.axis = 'Z'
# create list of all datetimes in cf format
wrf_datetime_list = []
for index, item in enumerate(wrflist):
wrf_datetime = cf.dt(
datetime.datetime.strptime(
str(getvar(wrflist[index], "Times", meta=False)),
'%Y-%m-%dT%H:00:00.000000000'))
wrf_datetime_list.extend([wrf_datetime])
# create dimension out of the datetimes
t = cf.DimensionCoordinate(data=cf.Data(wrf_datetime_list,
units='hours since ' +
str(wrf_datetime.year) + '-1-1'),
properties={'standard_name': 'time'})
t.axis = 'T'
# define all the variables that I want to extract from wrfchem
# additional variables that I want that cause issues = pres, rh, rh_2m
# *** the issue before was that this list was going over two lines and was breaking ***
# *** the issue before was that this list was going over 72 characters and breaking ***
variables = ['PSFC','PBLH','RAINC','RAINNC','U10','V10','T','T2', \
def test_FieldList_select_by_construct(self):
if self.test_only and inspect.stack()[0][3] not in self.test_only:
return
f = cf.read([self.filename, self.filename2])
g = f.select_by_construct()
self.assertEqual(len(g), 2)
g = f.select_by_construct('latitude')
self.assertEqual(len(g), 2)
g = f.select_by_construct('latitude', 'longitude')
self.assertEqual(len(g), 2)
g = f.select_by_construct('latitude', 'time')
self.assertEqual(len(g), 1)
g = f.select_by_construct('latitude', 'time', OR=False)
self.assertEqual(len(g), 1)
g = f.select_by_construct('latitude', 'time', OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(0))
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(0),
time=cf.le(cf.dt('2008-12-01')))
self.assertEqual(len(g), 1)
g = f.select_by_construct(longitude=cf.gt(0),
time=cf.le(cf.dt('2008-12-01')),
OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct('longitude',
longitude=cf.gt(0),
time=cf.le(cf.dt('2008-12-01')),
OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct('latitude',
longitude=cf.gt(0),
time=cf.le(cf.dt('2008-12-01')),
OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct('time',
longitude=cf.gt(0),
time=cf.le(cf.dt('2008-12-01')),
OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct('time',
longitude=cf.gt(0),
time=cf.le(cf.dt('2008-12-01')),
OR=False)
self.assertEqual(len(g), 1)
g = f.select_by_construct('time',
longitude=cf.gt(0),
time=cf.le(cf.dt('2008-12-01')),
OR=False)
self.assertEqual(len(g), 1)
g = f.select_by_construct('qwerty')
self.assertEqual(len(g), 0)
g = f.select_by_construct('qwerty', 'latitude')
self.assertEqual(len(g), 0)
g = f.select_by_construct('qwerty', 'latitude', OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct('qwerty', 'time', 'longitude')
self.assertEqual(len(g), 0)
g = f.select_by_construct('qwerty', 'time', 'longitude', OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(70))
self.assertEqual(len(g), 1)
g = f.select_by_construct(longitude=cf.gt(0),
time=cf.le(cf.dt('1999-12-01')))
self.assertEqual(len(g), 0)
def test_FieldList_select_by_construct(self):
if self.test_only and inspect.stack()[0][3] not in self.test_only:
return
x = self.x.copy()
x.del_construct('time')
f = cf.FieldList(x)
f.extend(self.f2.copy())
g = f.select_by_construct()
self.assertEqual(len(g), 2)
g = f.select_by_construct('latitude')
self.assertEqual(len(g), 2)
g = f.select_by_construct('latitude', 'longitude')
self.assertEqual(len(g), 2)
g = f.select_by_construct('latitude', 'time')
self.assertEqual(len(g), 1)
g = f.select_by_construct('latitude', 'time', OR=False)
self.assertEqual(len(g), 1)
g = f.select_by_construct('latitude', 'time', OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(0))
self.assertEqual(len(g), 2)
g = f.select_by_construct(
longitude=cf.gt(0), time=cf.le(cf.dt('2008-12-01')))
self.assertEqual(len(g), 1)
g = f.select_by_construct(
longitude=cf.gt(0), time=cf.le(cf.dt('2008-12-01')), OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
'longitude', longitude=cf.gt(0), time=cf.le(cf.dt('2008-12-01')),
OR=True
)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
'latitude', longitude=cf.gt(0), time=cf.le(cf.dt('2008-12-01')),
OR=True
)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
'time', longitude=cf.gt(0), time=cf.le(cf.dt('2008-12-01')),
OR=True
)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
'time', longitude=cf.gt(0), time=cf.le(cf.dt('2008-12-01')),
OR=False
)
self.assertEqual(len(g), 1)
g = f.select_by_construct(
'time', longitude=cf.gt(0), time=cf.le(cf.dt('2008-12-01')),
OR=False
)
self.assertEqual(len(g), 1)
g = f.select_by_construct('qwerty')
self.assertEqual(len(g), 0)
g = f.select_by_construct('qwerty', 'latitude')
self.assertEqual(len(g), 0)
g = f.select_by_construct('qwerty', 'latitude', OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct('qwerty', 'time', 'longitude')
self.assertEqual(len(g), 0)
g = f.select_by_construct('qwerty', 'time', 'longitude', OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(7.6))
self.assertEqual(len(g), 1)
g = f.select_by_construct(
longitude=cf.gt(0), time=cf.le(cf.dt('1999-12-01')))
self.assertEqual(len(g), 0)
def test_FieldList_select_by_construct(self):
x = self.x.copy()
x.del_construct("time")
f = cf.FieldList(x)
f.extend(self.f2.copy())
g = f.select_by_construct()
self.assertEqual(len(g), 2)
g = f.select_by_construct("latitude")
self.assertEqual(len(g), 2)
g = f.select_by_construct("latitude", "longitude")
self.assertEqual(len(g), 2)
g = f.select_by_construct("latitude", "time")
self.assertEqual(len(g), 1)
g = f.select_by_construct("latitude", "time", OR=False)
self.assertEqual(len(g), 1)
g = f.select_by_construct("latitude", "time", OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(0))
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(0),
time=cf.le(cf.dt("2008-12-01")))
self.assertEqual(len(g), 1)
g = f.select_by_construct(longitude=cf.gt(0),
time=cf.le(cf.dt("2008-12-01")),
OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
"longitude",
longitude=cf.gt(0),
time=cf.le(cf.dt("2008-12-01")),
OR=True,
)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
"latitude",
longitude=cf.gt(0),
time=cf.le(cf.dt("2008-12-01")),
OR=True,
)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
"time",
longitude=cf.gt(0),
time=cf.le(cf.dt("2008-12-01")),
OR=True,
)
self.assertEqual(len(g), 2)
g = f.select_by_construct(
"time",
longitude=cf.gt(0),
time=cf.le(cf.dt("2008-12-01")),
OR=False,
)
self.assertEqual(len(g), 1)
g = f.select_by_construct(
"time",
longitude=cf.gt(0),
time=cf.le(cf.dt("2008-12-01")),
OR=False,
)
self.assertEqual(len(g), 1)
g = f.select_by_construct("qwerty")
self.assertEqual(len(g), 0)
g = f.select_by_construct("qwerty", "latitude")
self.assertEqual(len(g), 0)
g = f.select_by_construct("qwerty", "latitude", OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct("qwerty", "time", "longitude")
self.assertEqual(len(g), 0)
g = f.select_by_construct("qwerty", "time", "longitude", OR=True)
self.assertEqual(len(g), 2)
g = f.select_by_construct(longitude=cf.gt(7.6))
self.assertEqual(len(g), 1)
g = f.select_by_construct(longitude=cf.gt(0),
time=cf.le(cf.dt("1999-12-01")))
self.assertEqual(len(g), 0)
def test_TimeDuration_interval(self):
self.assertTrue(cf.M().interval(cf.dt(1999, 12)) == (
cf.dt('1999-12-01 00:00:00', calendar=None),
cf.dt('2000-01-01 00:00:00', calendar=None)))
self.assertTrue(
cf.Y(2).interval(cf.dt(2000, 2), end=True) == (
cf.dt('1998-02-01 00:00:00', calendar=None),
cf.dt('2000-02-01 00:00:00', calendar=None)))
self.assertTrue(
cf.D(30).interval(cf.dt(1983, 12, 1, 6)) == (
cf.dt('1983-12-01 06:00:00', calendar=None),
cf.dt('1983-12-31 06:00:00', calendar=None)))
self.assertTrue(
cf.D(30).interval(cf.dt(1983, 12, 1, 6), end=True) == (
cf.dt('1983-11-01 06:00:00', calendar=None),
cf.dt('1983-12-01 06:00:00', calendar=None)))
self.assertTrue(
cf.D(0).interval(cf.dt(1984, 2, 3)) == (
cf.dt('1984-02-03 00:00:00', calendar=None),
cf.dt('1984-02-03 00:00:00', calendar=None)))
self.assertTrue(
cf.D(5, hour=6).interval(cf.dt(2004, 3, 2), end=True) == (
cf.dt('2004-02-26 00:00:00', calendar=None),
cf.dt('2004-03-02 00:00:00', calendar=None)))
self.assertTrue(
cf.D(5, hour=6).interval(
cf.dt(2004, 3, 2, calendar='noleap'), end=True) == (
cf.dt('2004-02-25 00:00:00', calendar='noleap'),
cf.dt('2004-03-02 00:00:00', calendar='noleap')))
self.assertTrue(
cf.D(5, hour=6).interval(
cf.dt(2004, 3, 2, calendar='360_day'), end=True) == (
cf.dt('2004-02-27 00:00:00', calendar='360_day'),
cf.dt('2004-03-02 00:00:00', calendar='360_day')))
self.assertTrue(
cf.h(19897.5).interval(cf.dt(1984, 2, 3, 0)) == (
cf.dt('1984-02-03 00:00:00', calendar=None),
cf.dt('1986-05-12 01:30:00', calendar=None)))
self.assertTrue(
cf.h(19897.6).interval(cf.dt(1984, 2, 3, 0), end=True) == (
cf.dt('1981-10-26 22:24:00', calendar=None),
cf.dt('1984-02-03 00:00:00', calendar=None)))
def test_Query_dteq_dtne_dtge_dtgt_dtle_dtlt(self):
d = cf.Data([[1., 5.], [6, 2]], 'days since 2000-12-29 21:00:00')
message = 'Diff =' + str((d-cf.Data(
cf.dt('2001-01-03 21:00:00', calendar='standard'))).array)
self.assertTrue(
(d == cf.eq(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[False, True], [False, False]])),
message
)
self.assertTrue(
(d == cf.ne(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[True, False], [True, True]])),
message
)
self.assertTrue(
(d == cf.ge(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[False, True], [True, False]])),
message
)
self.assertTrue(
(d == cf.gt(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[False, False], [True, False]])),
message
)
self.assertTrue(
(d == cf.le(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[True, True], [False, True]])),
message
)
self.assertTrue(
(d == cf.lt(cf.dt('2001-01-03 21:00:00'))).equals(
cf.Data([[True, False], [False, True]])),
message
)
self.assertTrue(
(d == cf.eq(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[False, True], [False, False]])),
message
)
self.assertTrue(
(d == cf.ne(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[True, False], [True, True]])),
message
)
self.assertTrue(
(d == cf.ge(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[False, True], [True, False]])),
message
)
self.assertTrue(
(d == cf.gt(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[False, False], [True, False]])),
message
)
self.assertTrue(
(d == cf.le(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[True, True], [False, True]])),
message
)
self.assertTrue(
(d == cf.lt(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[True, False], [False, True]])),
message
)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.eq(cf.dt(2002, 6, 16)), d)
self.assertNotEqual(cf.eq(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.eq(cf.dt('2100-1-1')), d)
self.assertNotEqual(
cf.eq(cf.dt('2001-1-1')) & cf.eq(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.ge(cf.dt(1990, 1, 1)), d)
self.assertEqual(cf.ge(cf.dt(2002, 6, 16)), d)
self.assertNotEqual(cf.ge(cf.dt('2100-1-1')), d)
self.assertNotEqual(
cf.ge(cf.dt('2001-1-1')) & cf.ge(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.gt(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.gt(cf.dt(2002, 6, 16)), d)
self.assertNotEqual(cf.gt(cf.dt('2100-1-1')), d)
self.assertEqual(
cf.gt(cf.dt('2001-1-1')) & cf.le(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.ne(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.ne(cf.dt(2002, 6, 16)), d)
self.assertEqual(cf.ne(cf.dt('2100-1-1')), d)
self.assertEqual(
cf.ne(cf.dt('2001-1-1')) & cf.ne(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertNotEqual(cf.le(cf.dt(1990, 1, 1)), d)
self.assertEqual(cf.le(cf.dt(2002, 6, 16)), d)
self.assertEqual(cf.le(cf.dt('2100-1-1')), d)
self.assertNotEqual(
cf.le(cf.dt('2001-1-1')) & cf.le(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertNotEqual(cf.lt(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.lt(cf.dt(2002, 6, 16)), d)
self.assertEqual(cf.lt(cf.dt('2100-1-1')), d)
self.assertNotEqual(
cf.lt(cf.dt('2001-1-1')) & cf.lt(cf.dt(2010, 12, 31)), d)
def test_TimeDuration_arithmetic(self):
self.assertEqual(cf.M() + cf.dt(2000, 1, 1), cf.dt(2000, 2, 1))
self.assertEqual(cf.M() * 8, cf.M(8))
self.assertEqual(cf.M() * 8.5, cf.M(8.5))
self.assertEqual(cf.dt(2000, 1, 1) + cf.M(), cf.dt(2000, 2, 1))
self.assertEqual(cf.dt(2000, 1, 1) - cf.M(), cf.dt(1999, 12, 1))
self.assertEqual(
cf.M() + datetime.datetime(2000, 1, 1),
cf.dt(2000, 2, 1, calendar="gregorian"),
)
self.assertEqual(
datetime.datetime(2000, 1, 1) + cf.M(),
cf.dt(2000, 2, 1, calendar="gregorian"),
)
self.assertEqual(
datetime.datetime(2000, 1, 1) - cf.M(),
cf.dt(1999, 12, 1, calendar="gregorian"),
)
d = cf.dt(2000, 1, 1)
d += cf.M()
self.assertEqual(d, cf.dt(2000, 2, 1))
d -= cf.M()
self.assertEqual(d, cf.dt(2000, 1, 1))
d = datetime.datetime(2000, 1, 1)
d += cf.M()
self.assertEqual(d, cf.dt(2000, 2, 1, calendar="gregorian"))
d -= cf.M()
self.assertEqual(d, cf.dt(2000, 1, 1, calendar="gregorian"))
self.assertEqual(cf.M() * 8, cf.M(8))
self.assertEqual(cf.M() * 8.5, cf.M(8.5))
self.assertEqual(cf.M() / 2.0, cf.M(0.5))
self.assertEqual(cf.M(8) / 3, cf.M(8 / 3))
self.assertEqual(cf.M(8) // 3, cf.M(2))
def test_Query_dteq_dtne_dtge_dtgt_dtle_dtlt(self):
d = cf.Data([[1.0, 5.0], [6, 2]], "days since 2000-12-29 21:00:00")
message = "Diff =" + str(
(d -
cf.Data(cf.dt("2001-01-03 21:00:00", calendar="standard"))).array)
self.assertTrue(
(d == cf.eq(cf.dt("2001-01-03 21:00:00"))).equals(
cf.Data([[False, True], [False, False]])),
message,
)
self.assertTrue(
(d == cf.ne(cf.dt("2001-01-03 21:00:00"))).equals(
cf.Data([[True, False], [True, True]])),
message,
)
self.assertTrue(
(d == cf.ge(cf.dt("2001-01-03 21:00:00"))).equals(
cf.Data([[False, True], [True, False]])),
message,
)
self.assertTrue(
(d == cf.gt(cf.dt("2001-01-03 21:00:00"))).equals(
cf.Data([[False, False], [True, False]])),
message,
)
self.assertTrue(
(d == cf.le(cf.dt("2001-01-03 21:00:00"))).equals(
cf.Data([[True, True], [False, True]])),
message,
)
self.assertTrue(
(d == cf.lt(cf.dt("2001-01-03 21:00:00"))).equals(
cf.Data([[True, False], [False, True]])),
message,
)
self.assertTrue(
(d == cf.eq(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[False, True], [False, False]])),
message,
)
self.assertTrue(
(d == cf.ne(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[True, False], [True, True]])),
message,
)
self.assertTrue(
(d == cf.ge(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[False, True], [True, False]])),
message,
)
self.assertTrue(
(d == cf.gt(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[False, False], [True, False]])),
message,
)
self.assertTrue(
(d == cf.le(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[True, True], [False, True]])),
message,
)
self.assertTrue(
(d == cf.lt(cf.dt(2001, 1, 3, 21, 0, 0))).equals(
cf.Data([[True, False], [False, True]])),
message,
)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.eq(cf.dt(2002, 6, 16)), d)
self.assertNotEqual(cf.eq(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.eq(cf.dt("2100-1-1")), d)
self.assertNotEqual(
cf.eq(cf.dt("2001-1-1")) & cf.eq(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.ge(cf.dt(1990, 1, 1)), d)
self.assertEqual(cf.ge(cf.dt(2002, 6, 16)), d)
self.assertNotEqual(cf.ge(cf.dt("2100-1-1")), d)
self.assertNotEqual(
cf.ge(cf.dt("2001-1-1")) & cf.ge(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.gt(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.gt(cf.dt(2002, 6, 16)), d)
self.assertNotEqual(cf.gt(cf.dt("2100-1-1")), d)
self.assertEqual(
cf.gt(cf.dt("2001-1-1")) & cf.le(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertEqual(cf.ne(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.ne(cf.dt(2002, 6, 16)), d)
self.assertEqual(cf.ne(cf.dt("2100-1-1")), d)
self.assertEqual(
cf.ne(cf.dt("2001-1-1")) & cf.ne(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertNotEqual(cf.le(cf.dt(1990, 1, 1)), d)
self.assertEqual(cf.le(cf.dt(2002, 6, 16)), d)
self.assertEqual(cf.le(cf.dt("2100-1-1")), d)
self.assertNotEqual(
cf.le(cf.dt("2001-1-1")) & cf.le(cf.dt(2010, 12, 31)), d)
d = cf.dt(2002, 6, 16)
self.assertNotEqual(cf.lt(cf.dt(1990, 1, 1)), d)
self.assertNotEqual(cf.lt(cf.dt(2002, 6, 16)), d)
self.assertEqual(cf.lt(cf.dt("2100-1-1")), d)
self.assertNotEqual(
cf.lt(cf.dt("2001-1-1")) & cf.lt(cf.dt(2010, 12, 31)), d)
def test_TimeDuration_bounds(self):
for direction in (True, False):
for x, y in zip([
cf.Y().bounds(cf.dt(1984, 1, 1), direction=direction),
cf.Y().bounds(cf.dt(1984, 12, 1), direction=direction),
cf.Y().bounds(cf.dt(1984, 12, 3), direction=direction),
cf.Y(month=9).bounds(cf.dt(1984, 1, 1),
direction=direction),
cf.Y(month=9).bounds(cf.dt(1984, 3, 3),
direction=direction),
cf.Y(month=9).bounds(cf.dt(1984, 9, 20),
direction=direction),
cf.Y(month=9, day=13).bounds(cf.dt(1984, 12, 12),
direction=direction),
], [
(cf.dt('1984-01-01', calendar='standard'),
cf.dt('1985-01-01', calendar='standard')),
(cf.dt('1984-01-01', calendar='standard'),
cf.dt('1985-01-01', calendar='standard')),
(cf.dt('1984-01-01', calendar='standard'),
cf.dt('1985-01-01', calendar='standard')),
(cf.dt('1983-09-01', calendar='standard'),
cf.dt('1984-09-01', calendar='standard')),
(cf.dt('1983-09-01', calendar='standard'),
cf.dt('1984-09-01', calendar='standard')),
(cf.dt('1984-09-01', calendar='standard'),
cf.dt('1985-09-01', calendar='standard')),
(cf.dt('1984-09-13', calendar='standard'),
cf.dt('1985-09-13', calendar='standard')),
]):
if direction is False:
y = y[::-1]
self.assertTrue(x == y,
"{}!={} direction={}".format(x, y, direction))
for x, y in zip([
cf.M().bounds(cf.dt(1984, 1, 1), direction=direction),
cf.M().bounds(cf.dt(1984, 12, 1), direction=direction),
cf.M().bounds(cf.dt(1984, 12, 3), direction=direction),
cf.M(day=15).bounds(cf.dt(1984, 12, 1),
direction=direction),
cf.M(day=15).bounds(cf.dt(1984, 12, 3),
direction=direction),
cf.M(day=15).bounds(cf.dt(1984, 12, 15),
direction=direction),
cf.M(day=15).bounds(cf.dt(1984, 12, 20),
direction=direction),
], [
(cf.dt('1984-01-01', calendar='standard'),
cf.dt('1984-02-01', calendar='standard')),
(cf.dt('1984-12-01', calendar='standard'),
cf.dt('1985-01-01', calendar='standard')),
(cf.dt('1984-12-01', calendar='standard'),
cf.dt('1985-01-01', calendar='standard')),
(cf.dt('1984-11-15', calendar='standard'),
cf.dt('1984-12-15', calendar='standard')),
(cf.dt('1984-11-15', calendar='standard'),
cf.dt('1984-12-15', calendar='standard')),
(cf.dt('1984-12-15', calendar='standard'),
cf.dt('1985-01-15', calendar='standard')),
(cf.dt('1984-12-15', calendar='standard'),
cf.dt('1985-01-15', calendar='standard')),
]):
if direction is False:
y = y[::-1]
self.assertTrue(x == y, "{}!={}".format(x, y))
for x, y in zip([
cf.D().bounds(cf.dt(1984, 1, 1), direction=direction),
cf.D().bounds(cf.dt(1984, 12, 3), direction=direction),
cf.D(hour=15).bounds(cf.dt(1984, 12, 1),
direction=direction),
cf.D(hour=15).bounds(cf.dt(1984, 12, 1, 12),
direction=direction),
cf.D(hour=15).bounds(cf.dt(1984, 12, 1, 15),
direction=direction),
cf.D(hour=15).bounds(cf.dt(1984, 12, 1, 20),
direction=direction),
], [
(cf.dt('1984-01-01', calendar='gregorian'),
cf.dt('1984-01-02', calendar='gregorian')),
(cf.dt('1984-12-03', calendar='gregorian'),
cf.dt('1984-12-04', calendar='gregorian')),
(cf.dt('1984-11-30 15:00', calendar='gregorian'),
cf.dt('1984-12-01 15:00', calendar='gregorian')),
(cf.dt('1984-11-30 15:00', calendar='gregorian'),
cf.dt('1984-12-01 15:00', calendar='gregorian')),
(cf.dt('1984-12-01 15:00', calendar='gregorian'),
cf.dt('1984-12-02 15:00', calendar='gregorian')),
(cf.dt('1984-12-01 15:00', calendar='gregorian'),
cf.dt('1984-12-02 15:00', calendar='gregorian')),
]):
if direction is False:
y = y[::-1]
self.assertTrue(x == y, "{}!={}".format(x, y))
def test_TimeDuration_arithmetic(self):
self.assertTrue(cf.M() + cf.dt(2000, 1, 1) == cf.dt(2000, 2, 1))
self.assertTrue(cf.M() * 8 == cf.M(8))
self.assertTrue(cf.M() * 8.5 == cf.M(8.5))
self.assertTrue(cf.dt(2000, 1, 1) + cf.M() == cf.dt(2000, 2, 1))
self.assertTrue(cf.dt(2000, 1, 1) - cf.M() == cf.dt(1999, 12, 1))
self.assertTrue(cf.M() +
datetime.datetime(2000, 1, 1) == cf.dt(2000, 2, 1))
self.assertTrue(
datetime.datetime(2000, 1, 1) + cf.M() == cf.dt(2000, 2, 1))
self.assertTrue(
datetime.datetime(2000, 1, 1) - cf.M() == cf.dt(1999, 12, 1))
d = cf.dt(2000, 1, 1)
d += cf.M()
self.assertTrue(d == cf.dt(2000, 2, 1))
d -= cf.M()
self.assertTrue(d == cf.dt(2000, 1, 1))
d = datetime.datetime(2000, 1, 1)
d += cf.M()
self.assertTrue(d == cf.dt(2000, 2, 1))
d -= cf.M()
self.assertTrue(d == cf.dt(2000, 1, 1))
self.assertTrue(cf.M() * 8 == cf.M(8))
self.assertTrue(cf.M() * 8.5 == cf.M(8.5))
self.assertTrue(cf.M() / 2.0 == cf.M(0.5))
self.assertTrue(cf.M(8) / 3 == cf.M(8 / 3))
self.assertTrue(cf.M(8) // 3 == cf.M(2))
t.size
print(t.domain_axes)
t
t.data.shape
t.get_data_axes()
data = t.del_data()
t.has_data()
t.set_data(data)
t.data
d = cf.Data([1, 2, 3], units='days since 2004-2-28')
print(d.array)
print(d.datetime_array)
e = cf.Data([1, 2, 3], units='days since 2004-2-28', calendar='360_day')
print(d.array)
print(d.datetime_array)
date_time = cf.dt(2004, 2, 29)
date_time
d = cf.Data(date_time, calendar='gregorian')
print(d.array)
d.datetime_array
date_times = cf.dt_vector(['2004-02-29', '2004-02-30', '2004-03-01'],
calendar='360_day')
print(date_times)
e = cf.Data(date_times)
print(e.array)
print(e.datetime_array)
d = cf.Data(['2004-02-29', '2004-02-30', '2004-03-01'], calendar='360_day')
d.Units
print(d.array)
print(d.datetime_array)
e = cf.Data(['2004-02-29', '2004-03-01', '2004-03-02'], dt=True)
def save_datasets(self, datasets, filename, **kwargs):
"""Save all datasets to one or more files."""
LOG.info('Saving datasets to NetCDF4/CF.')
fields = []
shapes = {}
for dataset in datasets:
if dataset.shape in shapes:
domain = shapes[dataset.shape]
else:
lines, pixels = dataset.shape
area = dataset.info.get('area')
add_time = False
try:
# Create a longitude auxiliary coordinate
lat = cf.AuxiliaryCoordinate(
data=cf.Data(area.lats, 'degrees_north'))
lat.standard_name = 'latitude'
# Create a latitude auxiliary coordinate
lon = cf.AuxiliaryCoordinate(
data=cf.Data(area.lons, 'degrees_east'))
lon.standard_name = 'longitude'
aux = [lat, lon]
add_time = True
except AttributeError:
LOG.info('No longitude and latitude data to save.')
aux = None
try:
grid_mapping = create_grid_mapping(area)
units = area.proj_dict.get('units', 'm')
line_coord = cf.DimensionCoordinate(
data=cf.Data(area.proj_y_coords, units))
line_coord.standard_name = "projection_y_coordinate"
pixel_coord = cf.DimensionCoordinate(
data=cf.Data(area.proj_x_coords, units))
pixel_coord.standard_name = "projection_x_coordinate"
add_time = True
except (AttributeError, NotImplementedError):
LOG.info('No grid mapping to save.')
grid_mapping = None
line_coord = cf.DimensionCoordinate(
data=cf.Data(np.arange(lines), '1'))
line_coord.standard_name = "line"
pixel_coord = cf.DimensionCoordinate(
data=cf.Data(np.arange(pixels), '1'))
pixel_coord.standard_name = "pixel"
start_time = cf.dt(dataset.info['start_time'])
end_time = cf.dt(dataset.info['end_time'])
middle_time = cf.dt((dataset.info['end_time'] -
dataset.info['start_time']) / 2 +
dataset.info['start_time'])
# import ipdb
# ipdb.set_trace()
if add_time:
info = dataset.info
dataset = dataset[np.newaxis, :, :]
dataset.info = info
bounds = cf.CoordinateBounds(
data=cf.Data([start_time, end_time],
cf.Units('days since 1970-1-1')))
time_coord = cf.DimensionCoordinate(
properties=dict(standard_name='time'),
data=cf.Data(middle_time,
cf.Units('days since 1970-1-1')),
bounds=bounds)
coords = [time_coord, line_coord, pixel_coord]
else:
coords = [line_coord, pixel_coord]
domain = cf.Domain(dim=coords, aux=aux, ref=grid_mapping)
shapes[dataset.shape] = domain
data = cf.Data(dataset, dataset.info.get('units', 'm'))
# import ipdb
# ipdb.set_trace()
wanted_keys = ['standard_name', 'long_name']
properties = {
k: dataset.info[k]
for k in set(wanted_keys) & set(dataset.info.keys())
}
new_field = cf.Field(properties=properties,
data=data,
domain=domain)
new_field._FillValue = dataset.fill_value
try:
new_field.valid_range = dataset.info['valid_range']
except KeyError:
new_field.valid_range = new_field.min(), new_field.max()
new_field.Conventions = 'CF-1.7'
fields.append(new_field)
fields[0].history = ("Created by pytroll/satpy on " +
str(datetime.utcnow()))
flist = cf.FieldList(fields)
cf.write(flist, filename, fmt='NETCDF4', compress=6)