def common_ma_setup():
data2D = ma.array([np.random.rand(25).reshape(5,5),
np.random.rand(25).reshape(5,5),
np.random.rand(25).reshape(5,5),
np.random.rand(25).reshape(5,5),
np.random.rand(25).reshape(5,5),],
mask=[np.random.rand(25).reshape(5,5)>.5,
np.random.rand(25).reshape(5,5)>.5,
np.random.rand(25).reshape(5,5)>.5,
np.random.rand(25).reshape(5,5)>.5,
np.random.rand(25).reshape(5,5)>.5,]
)
data1D = ma.array(np.random.rand(25),
mask=np.random.rand(25)>0.9,
fill_value=-9999)
dtype5R = [('a',float),('b',int),('c','|S3')]
data5N = ma.array(zip(np.random.rand(5),
np.arange(5),
'ABCDE'),
dtype=dtype5R)
data5R = mr.fromarrays([np.random.rand(5),
np.arange(5),
('A','B','C','D','E')],
dtype=dtype5R)
data5R._mask['a'][0]=True
data5R._mask['b'][2]=True
data5R._mask['c'][-1]=True
return dict(data1D=data1D,
data2D=data2D,
data5N=data5N,
data5R=data5R)
def setUp(self):
(a, b) = (np.arange(10), np.random.rand(10))
ndtype = [('a', np.float), ('b', np.float)]
arr = np.array(list(zip(a, b)), dtype=ndtype)
mrec = fromarrays([a, b], dtype=ndtype, fill_value=(-9., -99.))
mrec.mask[3] = (False, True)
self.data = (mrec, a, b, arr)
def setup(self):
"Generic setup"
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[0, 0, 1], dtype="|S8")
ddtype = [("a", int), ("b", float), ("c", "|S8")]
mrec = fromarrays([_a, _b, _c], dtype=ddtype, fill_value=(99999, 99999.0, "N/A"))
nrec = recfromarrays((_a.data, _b.data, _c.data), dtype=ddtype)
self.data = (mrec, nrec, ddtype)
def test_tolist(self):
# Test tolist.
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[1, 0, 0], dtype="|S8")
ddtype = [("a", int), ("b", float), ("c", "|S8")]
mrec = fromarrays([_a, _b, _c], dtype=ddtype, fill_value=(99999, 99999.0, "N/A"))
#
assert_equal(mrec.tolist(), [(1, 1.1, None), (2, 2.2, asbytes("two")), (None, None, asbytes("three"))])
def setup(self):
# Generic setup
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(list(map(asbytes, ["one", "two", "three"])), mask=[0, 0, 1], dtype="|S8")
ddtype = [("a", int), ("b", float), ("c", "|S8")]
mrec = fromarrays([_a, _b, _c], dtype=ddtype, fill_value=(asbytes("99999"), asbytes("99999."), asbytes("N/A")))
nrec = recfromarrays((_a._data, _b._data, _c._data), dtype=ddtype)
self.data = (mrec, nrec, ddtype)
def test_fromarrays(self):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(['one', 'two', 'three'], mask=[0, 0, 1], dtype='|S8')
(mrec, nrec, _) = self.data
for (f, l) in zip(('a', 'b', 'c'), (_a, _b, _c)):
assert_equal(getattr(mrec, f)._mask, l._mask)
# One record only
_x = ma.array([1, 1.1, 'one'], mask=[1, 0, 0],)
assert_equal_records(fromarrays(_x, dtype=mrec.dtype), mrec[0])
def setup(self):
"Generic setup"
_a = ma.array([1,2,3],mask=[0,0,1],dtype=int)
_b = ma.array([1.1,2.2,3.3],mask=[0,0,1],dtype=float)
_c = ma.array(['one','two','three'],mask=[0,0,1],dtype='|S8')
ddtype = [('a',int),('b',float),('c','|S8')]
mrec = fromarrays([_a,_b,_c], dtype=ddtype,
fill_value=(99999,99999.,'N/A'))
nrec = recfromarrays((_a._data,_b._data,_c._data), dtype=ddtype)
self.data = (mrec, nrec, ddtype)
def test_fromarrays(self):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[0, 0, 1], dtype="|S8")
(mrec, nrec, _) = self.data
for (f, l) in zip(("a", "b", "c"), (_a, _b, _c)):
assert_equal(getattr(mrec, f)._mask, l._mask)
# One record only
_x = ma.array([1, 1.1, "one"], mask=[1, 0, 0])
assert_equal_records(fromarrays(_x, dtype=mrec.dtype), mrec[0])
def test_filled(self):
# Test filling the array
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[0, 0, 1], dtype="|S8")
ddtype = [("a", int), ("b", float), ("c", "|S8")]
mrec = fromarrays([_a, _b, _c], dtype=ddtype, fill_value=(99999, 99999.0, "N/A"))
mrecfilled = mrec.filled()
assert_equal(mrecfilled["a"], np.array((1, 2, 99999), dtype=int))
assert_equal(mrecfilled["b"], np.array((1.1, 2.2, 99999.0), dtype=float))
assert_equal(mrecfilled["c"], np.array(("one", "two", "N/A"), dtype="|S8"))
def test_tolist(self):
"Test tolist."
_a = ma.array([1,2,3],mask=[0,0,1],dtype=int)
_b = ma.array([1.1,2.2,3.3],mask=[0,0,1],dtype=float)
_c = ma.array(['one','two','three'],mask=[1,0,0],dtype='|S8')
ddtype = [('a',int),('b',float),('c','|S8')]
mrec = fromarrays([_a,_b,_c], dtype=ddtype,
fill_value=(99999,99999.,'N/A'))
#
assert_equal(mrec.tolist(),
[(1,1.1,None),(2,2.2,'two'),(None,None,'three')])
def test_filled(self):
"Test filling the array"
_a = ma.array([1,2,3],mask=[0,0,1],dtype=int)
_b = ma.array([1.1,2.2,3.3],mask=[0,0,1],dtype=float)
_c = ma.array(['one','two','three'],mask=[0,0,1],dtype='|S8')
ddtype = [('a',int),('b',float),('c','|S8')]
mrec = fromarrays([_a,_b,_c], dtype=ddtype,
fill_value=(99999,99999.,'N/A'))
mrecfilled = mrec.filled()
assert_equal(mrecfilled['a'], np.array((1,2,99999), dtype=int))
assert_equal(mrecfilled['b'], np.array((1.1,2.2,99999.), dtype=float))
assert_equal(mrecfilled['c'], np.array(('one','two','N/A'), dtype='|S8'))
def setup(self):
# Generic setup
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(list(map(asbytes, ['one', 'two', 'three'])),
mask=[0, 0, 1], dtype='|S8')
ddtype = [('a', int), ('b', float), ('c', '|S8')]
mrec = fromarrays([_a, _b, _c], dtype=ddtype,
fill_value=(asbytes('99999'), asbytes('99999.'),
asbytes('N/A')))
nrec = recfromarrays((_a._data, _b._data, _c._data), dtype=ddtype)
self.data = (mrec, nrec, ddtype)
def test_filled(self):
# Test filling the array
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[0, 0, 1], dtype="|S8")
ddtype = [("a", int), ("b", float), ("c", "|S8")]
mrec = fromarrays(
[_a, _b, _c], dtype=ddtype, fill_value=(99999, 99999.0, "N/A")
)
mrecfilled = mrec.filled()
assert_equal(mrecfilled["a"], np.array((1, 2, 99999), dtype=int))
assert_equal(mrecfilled["b"], np.array((1.1, 2.2, 99999.0), dtype=float))
assert_equal(mrecfilled["c"], np.array(("one", "two", "N/A"), dtype="|S8"))
def setup(self):
"Generic setup"
d = np.arange(5)
m = ma.make_mask([1, 0, 0, 1, 1])
base_d = np.r_[d, d[::-1]].reshape(2, -1).T
base_m = np.r_[[m, m[::-1]]].T
base = ma.array(base_d, mask=base_m)
mrec = mr.fromarrays(base.T, )
dlist = ['2007-%02i' % (i + 1) for i in d]
dates = date_array(dlist)
mts = time_series(mrec, dates)
rts = time_records(mrec, dates)
self.data = [d, m, mrec, dlist, dates, mts, rts]
def test_tolist(self):
# Test tolist.
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[1, 0, 0], dtype="|S8")
ddtype = [("a", int), ("b", float), ("c", "|S8")]
mrec = fromarrays(
[_a, _b, _c], dtype=ddtype, fill_value=(99999, 99999.0, "N/A")
)
assert_equal(
mrec.tolist(), [(1, 1.1, None), (2, 2.2, b"two"), (None, None, b"three")]
)
def test_set_fields_mask(self):
# Tests setting the mask of a field.
base = self.base.copy()
# This one has already a mask....
mbase = base.view(mrecarray)
mbase["a"][-2] = masked
assert_equal(mbase.a, [1, 2, 3, 4, 5])
assert_equal(mbase.a._mask, [0, 1, 0, 1, 1])
# This one has not yet
mbase = fromarrays([np.arange(5), np.random.rand(5)], dtype=[("a", int), ("b", float)])
mbase["a"][-2] = masked
assert_equal(mbase.a, [0, 1, 2, 3, 4])
assert_equal(mbase.a._mask, [0, 0, 0, 1, 0])
def setup(self):
"Generic setup"
d = np.arange(5)
m = ma.make_mask([1, 0, 0, 1, 1])
base_d = np.r_[d, d[::-1]].reshape(2, -1).T
base_m = np.r_[[m, m[::-1]]].T
base = ma.array(base_d, mask=base_m)
mrec = mr.fromarrays(base.T,)
dlist = ['2007-%02i' % (i + 1) for i in d]
dates = date_array(dlist)
mts = time_series(mrec, dates)
rts = time_records(mrec, dates)
self.data = [d, m, mrec, dlist, dates, mts, rts]
def test_fromarrays(self):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(['one', 'two', 'three'], mask=[0, 0, 1], dtype='|S8')
(mrec, nrec, _) = self.data
for (f, l) in zip(('a', 'b', 'c'), (_a, _b, _c)):
assert_equal(getattr(mrec, f)._mask, l._mask)
# One record only
_x = ma.array(
[1, 1.1, 'one'],
mask=[1, 0, 0],
)
assert_equal_records(fromarrays(_x, dtype=mrec.dtype), mrec[0])
def test_fromarrays(self):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[0, 0, 1], dtype="|S8")
(mrec, nrec, _) = self.data
for (f, l) in zip(("a", "b", "c"), (_a, _b, _c)):
assert_equal(getattr(mrec, f)._mask, l._mask)
# One record only
_x = ma.array(
[1, 1.1, "one"],
mask=[1, 0, 0],
)
assert_equal_records(fromarrays(_x, dtype=mrec.dtype), mrec[0])
def setup(self):
"Generic setup"
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(list(map(asbytes, ['one', 'two', 'three'])),
mask=[0, 0, 1],
dtype='|S8')
ddtype = [('a', int), ('b', float), ('c', '|S8')]
mrec = fromarrays([_a, _b, _c],
dtype=ddtype,
fill_value=(asbytes('99999'), asbytes('99999.'),
asbytes('N/A')))
nrec = recfromarrays((_a._data, _b._data, _c._data), dtype=ddtype)
self.data = (mrec, nrec, ddtype)
def test_set_fields_mask(self):
"Tests setting the mask of a field."
base = self.base.copy()
# This one has already a mask....
mbase = base.view(mrecarray)
mbase['a'][-2] = masked
assert_equal(mbase.a, [1, 2, 3, 4, 5])
assert_equal(mbase.a._mask, [0, 1, 0, 1, 1])
# This one has not yet
mbase = fromarrays([np.arange(5), np.random.rand(5)],
dtype=[('a', int), ('b', float)])
mbase['a'][-2] = masked
assert_equal(mbase.a, [0, 1, 2, 3, 4])
assert_equal(mbase.a._mask, [0, 0, 0, 1, 0])
def test_filled(self):
# Test filling the array
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(['one', 'two', 'three'], mask=[0, 0, 1], dtype='|S8')
ddtype = [('a', int), ('b', float), ('c', '|S8')]
mrec = fromarrays([_a, _b, _c], dtype=ddtype,
fill_value=(99999, 99999., 'N/A'))
mrecfilled = mrec.filled()
assert_equal(mrecfilled['a'], np.array((1, 2, 99999), dtype=int))
assert_equal(mrecfilled['b'], np.array((1.1, 2.2, 99999.),
dtype=float))
assert_equal(mrecfilled['c'], np.array(('one', 'two', 'N/A'),
dtype='|S8'))
class TestMRecordsImport(object):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array([b"one", b"two", b"three"], mask=[0, 0, 1], dtype="|S8")
ddtype = [("a", int), ("b", float), ("c", "|S8")]
mrec = fromarrays(
[_a, _b, _c], dtype=ddtype, fill_value=(b"99999", b"99999.", b"N/A")
)
nrec = recfromarrays((_a._data, _b._data, _c._data), dtype=ddtype)
data = (mrec, nrec, ddtype)
def test_fromarrays(self):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(["one", "two", "three"], mask=[0, 0, 1], dtype="|S8")
(mrec, nrec, _) = self.data
for (f, l) in zip(("a", "b", "c"), (_a, _b, _c)):
assert_equal(getattr(mrec, f)._mask, l._mask)
# One record only
_x = ma.array([1, 1.1, "one"], mask=[1, 0, 0],)
assert_equal_records(fromarrays(_x, dtype=mrec.dtype), mrec[0])
def test_fromrecords(self):
# Test construction from records.
(mrec, nrec, ddtype) = self.data
# ......
palist = [
(1, "abc", 3.7000002861022949, 0),
(2, "xy", 6.6999998092651367, 1),
(0, " ", 0.40000000596046448, 0),
]
pa = recfromrecords(palist, names="c1, c2, c3, c4")
mpa = fromrecords(palist, names="c1, c2, c3, c4")
assert_equal_records(pa, mpa)
# .....
_mrec = fromrecords(nrec)
assert_equal(_mrec.dtype, mrec.dtype)
for field in _mrec.dtype.names:
assert_equal(getattr(_mrec, field), getattr(mrec._data, field))
_mrec = fromrecords(nrec.tolist(), names="c1,c2,c3")
assert_equal(_mrec.dtype, [("c1", int), ("c2", float), ("c3", "|S5")])
for (f, n) in zip(("c1", "c2", "c3"), ("a", "b", "c")):
assert_equal(getattr(_mrec, f), getattr(mrec._data, n))
_mrec = fromrecords(mrec)
assert_equal(_mrec.dtype, mrec.dtype)
assert_equal_records(_mrec._data, mrec.filled())
assert_equal_records(_mrec._mask, mrec._mask)
def test_fromrecords_wmask(self):
# Tests construction from records w/ mask.
(mrec, nrec, ddtype) = self.data
_mrec = fromrecords(nrec.tolist(), dtype=ddtype, mask=[0, 1, 0,])
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), [(0, 0, 0), (1, 1, 1), (0, 0, 0)])
_mrec = fromrecords(nrec.tolist(), dtype=ddtype, mask=True)
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), [(1, 1, 1), (1, 1, 1), (1, 1, 1)])
_mrec = fromrecords(nrec.tolist(), dtype=ddtype, mask=mrec._mask)
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), mrec._mask.tolist())
_mrec = fromrecords(nrec.tolist(), dtype=ddtype, mask=mrec._mask.tolist())
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), mrec._mask.tolist())
def test_fromtextfile(self):
# Tests reading from a text file.
fcontent = """#
'One (S)','Two (I)','Three (F)','Four (M)','Five (-)','Six (C)'
'strings',1,1.0,'mixed column',,1
'with embedded "double quotes"',2,2.0,1.0,,1
'strings',3,3.0E5,3,,1
'strings',4,-1e-10,,,1
"""
with temppath() as path:
with open(path, "w") as f:
f.write(fcontent)
mrectxt = fromtextfile(path, delimitor=",", varnames="ABCDEFG")
assert_(isinstance(mrectxt, MaskedRecords))
assert_equal(mrectxt.F, [1, 1, 1, 1])
assert_equal(mrectxt.E._mask, [1, 1, 1, 1])
assert_equal(mrectxt.C, [1, 2, 3.0e5, -1e-10])
def test_addfield(self):
# Tests addfield
(mrec, nrec, ddtype) = self.data
(d, m) = ([100, 200, 300], [1, 0, 0])
mrec = addfield(mrec, ma.array(d, mask=m))
assert_equal(mrec.f3, d)
assert_equal(mrec.f3._mask, m)
class TestMRecordsImport(object):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array([b'one', b'two', b'three'], mask=[0, 0, 1], dtype='|S8')
ddtype = [('a', int), ('b', float), ('c', '|S8')]
mrec = fromarrays([_a, _b, _c],
dtype=ddtype,
fill_value=(b'99999', b'99999.', b'N/A'))
nrec = recfromarrays((_a._data, _b._data, _c._data), dtype=ddtype)
data = (mrec, nrec, ddtype)
def test_fromarrays(self):
_a = ma.array([1, 2, 3], mask=[0, 0, 1], dtype=int)
_b = ma.array([1.1, 2.2, 3.3], mask=[0, 0, 1], dtype=float)
_c = ma.array(['one', 'two', 'three'], mask=[0, 0, 1], dtype='|S8')
(mrec, nrec, _) = self.data
for (f, l) in zip(('a', 'b', 'c'), (_a, _b, _c)):
assert_equal(getattr(mrec, f)._mask, l._mask)
# One record only
_x = ma.array(
[1, 1.1, 'one'],
mask=[1, 0, 0],
)
assert_equal_records(fromarrays(_x, dtype=mrec.dtype), mrec[0])
def test_fromrecords(self):
# Test construction from records.
(mrec, nrec, ddtype) = self.data
#......
palist = [(1, 'abc', 3.7000002861022949, 0),
(2, 'xy', 6.6999998092651367, 1),
(0, ' ', 0.40000000596046448, 0)]
pa = recfromrecords(palist, names='c1, c2, c3, c4')
mpa = fromrecords(palist, names='c1, c2, c3, c4')
assert_equal_records(pa, mpa)
#.....
_mrec = fromrecords(nrec)
assert_equal(_mrec.dtype, mrec.dtype)
for field in _mrec.dtype.names:
assert_equal(getattr(_mrec, field), getattr(mrec._data, field))
_mrec = fromrecords(nrec.tolist(), names='c1,c2,c3')
assert_equal(_mrec.dtype, [('c1', int), ('c2', float), ('c3', '|S5')])
for (f, n) in zip(('c1', 'c2', 'c3'), ('a', 'b', 'c')):
assert_equal(getattr(_mrec, f), getattr(mrec._data, n))
_mrec = fromrecords(mrec)
assert_equal(_mrec.dtype, mrec.dtype)
assert_equal_records(_mrec._data, mrec.filled())
assert_equal_records(_mrec._mask, mrec._mask)
def test_fromrecords_wmask(self):
# Tests construction from records w/ mask.
(mrec, nrec, ddtype) = self.data
_mrec = fromrecords(nrec.tolist(), dtype=ddtype, mask=[
0,
1,
0,
])
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), [(0, 0, 0), (1, 1, 1), (0, 0, 0)])
_mrec = fromrecords(nrec.tolist(), dtype=ddtype, mask=True)
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), [(1, 1, 1), (1, 1, 1), (1, 1, 1)])
_mrec = fromrecords(nrec.tolist(), dtype=ddtype, mask=mrec._mask)
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), mrec._mask.tolist())
_mrec = fromrecords(nrec.tolist(),
dtype=ddtype,
mask=mrec._mask.tolist())
assert_equal_records(_mrec._data, mrec._data)
assert_equal(_mrec._mask.tolist(), mrec._mask.tolist())
def test_fromtextfile(self):
# Tests reading from a text file.
fcontent = ("""#
'One (S)','Two (I)','Three (F)','Four (M)','Five (-)','Six (C)'
'strings',1,1.0,'mixed column',,1
'with embedded "double quotes"',2,2.0,1.0,,1
'strings',3,3.0E5,3,,1
'strings',4,-1e-10,,,1
""")
with temppath() as path:
with open(path, 'w') as f:
f.write(fcontent)
mrectxt = fromtextfile(path, delimitor=',', varnames='ABCDEFG')
assert_(isinstance(mrectxt, MaskedRecords))
assert_equal(mrectxt.F, [1, 1, 1, 1])
assert_equal(mrectxt.E._mask, [1, 1, 1, 1])
assert_equal(mrectxt.C, [1, 2, 3.e+5, -1e-10])
def test_addfield(self):
# Tests addfield
(mrec, nrec, ddtype) = self.data
(d, m) = ([100, 200, 300], [1, 0, 0])
mrec = addfield(mrec, ma.array(d, mask=m))
assert_equal(mrec.f3, d)
assert_equal(mrec.f3._mask, m)
