def test_arrow_nomask():
array = awkward1.Array([1.1, 2.2, 3.3, 4.4, None])
assert str(awkward1.type(awkward1.from_arrow(
awkward1.to_arrow(array)))) == "5 * ?float64"
assert str(
awkward1.type(awkward1.from_arrow(awkward1.to_arrow(
array[:-1])))) == "4 * ?float64"
def test_arrow_nonnullable_table():
x = pyarrow.array([1, 2, 3])
y = pyarrow.array([1.1, 2.2, 3.3])
table = pyarrow.Table.from_arrays([x], ["x"])
if hasattr(pyarrow, "column"):
table2 = table.add_column(1, pyarrow.column(pyarrow.field("y", y.type, False), numpy.array([1.1, 2.2, 3.3])))
else:
table2 = table.add_column(1, "y", y)
assert awkward1.to_list(awkward1.from_arrow(table2, highlevel=False)) == [{"x": 1, "y": 1.1}, {"x": 2, "y": 2.2}, {"x": 3, "y": 3.3}]
def test_arrow_batch():
a = pyarrow.RecordBatch.from_arrays(
[pyarrow.array([1.1, 2.2, 3.3, None, 5.5]),
pyarrow.array([[1, 2, 3], [], [4, 5], [None], [6]]),
pyarrow.array([{"x": 1, "y": 1.1}, {"x": 2, "y": 2.2}, {"x": 3, "y": 3.3}, {"x": 4, "y": None}, {"x": 5, "y": 5.5}]),
pyarrow.array([{"x": 1, "y": 1.1}, None, None, {"x": 4, "y": None}, {"x": 5, "y": 5.5}]),
pyarrow.array([[{"x": 1, "y": 1.1}, {"x": 2, "y": 2.2}, {"x": 3, "y": 3.3}], [], [{"x": 4, "y": None}, {"x": 5, "y": 5.5}], [None], [{"x": 6, "y": 6.6}]])],
["a", "b", "c", "d", "e"])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [{"a": 1.1, "b": [1, 2, 3], "c": {"x": 1, "y": 1.1}, "d": {"x": 1, "y": 1.1}, "e": [{"x": 1, "y": 1.1}, {"x": 2, "y": 2.2}, {"x": 3, "y": 3.3}]}, {"a": 2.2, "b": [], "c": {"x": 2, "y": 2.2}, "d": None, "e": []}, {"a": 3.3, "b": [4, 5], "c": {"x": 3, "y": 3.3}, "d": None, "e": [{"x": 4, "y": None}, {"x": 5, "y": 5.5}]}, {"a": None, "b": [None], "c": {"x": 4, "y": None}, "d":{"x": 4, "y": None}, "e": [None]}, {"a": 5.5, "b": [6], "c": {"x": 5, "y": 5.5}, "d": {"x": 5, "y": 5.5}, "e": [{"x": 6, "y": 6.6}]}]
def __call__(self, version=1):
df = self._obj
if version == 0:
return awkward0.Table(
dict((c, df[c].ak(version=version)) for c in df.columns)
)
elif version == 1:
return awkward1.from_arrow(pyarrow.Table.from_pandas(df))
else:
raise RuntimeError(
"What version of awkward do you want? Specify `version=0` or `1`."
)
def test_fromarrow():
boolarray = awkward1.layout.NumpyArray(numpy.array([True, True, True, False, False, True, False, True, False, True]))
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(boolarray), highlevel=False)) == awkward1.to_list(boolarray)
content = awkward1.layout.NumpyArray(
numpy.array([0.0, 1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9, 10.10]))
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(content), highlevel=False)) == awkward1.to_list(content)
offsets = awkward1.layout.Index64(numpy.array([0, 3, 3, 5, 6, 10, 10]))
listoffsetarray = awkward1.layout.ListOffsetArray64(offsets, content)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(listoffsetarray), highlevel=False)) == awkward1.to_list(listoffsetarray)
regulararray = awkward1.layout.RegularArray(listoffsetarray, 2)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(regulararray), highlevel=False)) == awkward1.to_list(regulararray)
content1 = awkward1.layout.NumpyArray(numpy.array([1, 2, 3, 4, 5]))
content2 = awkward1.layout.NumpyArray(
numpy.array([1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9]))
offsets = awkward1.layout.Index32(numpy.array([0, 3, 3, 5, 6, 9]))
recordarray = awkward1.layout.RecordArray(
[content1, listoffsetarray, content2, content1], keys=["one", "chonks", "2", "wonky"])
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(recordarray), highlevel=False)) == awkward1.to_list(recordarray)
content0 = awkward1.Array([[1.1, 2.2, 3.3], [], [4.4, 5.5]]).layout
content = awkward1.Array(
["one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]).layout
tags = awkward1.layout.Index8(
numpy.array([1, 1, 0, 0, 1, 0, 1, 1], dtype=numpy.int8))
index = awkward1.layout.Index32(
numpy.array([0, 1, 0, 1, 2, 2, 4, 3], dtype=numpy.int32))
array = awkward1.layout.UnionArray8_32(tags, index, [content0, content])
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(array), highlevel=False)) == awkward1.to_list(array)
def test_arrow_toarrow_string():
a = awkward1.from_iter(["one", "two", "three"], highlevel=False)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a), highlevel=False)) == awkward1.to_list(a)
a = awkward1.from_iter([["one", "two", "three"], [], ["four", "five"]], highlevel=False)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a), highlevel=False)) == awkward1.to_list(a)
if hasattr(pyarrow.BinaryArray, 'from_buffers'):
a = awkward1.from_iter([b"one", b"two", b"three"], highlevel=False)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a), highlevel=False)) == [b"one", b"two", b"three"]
a = awkward1.from_iter([[b"one", b"two", b"three"], [], [b"four", b"five"]], highlevel=False)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a), highlevel=False)) == [[b"one", b"two", b"three"], [], [b"four", b"five"]]
else:
a = awkward1.from_iter([b"one", b"two", b"three"], highlevel=False)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a), highlevel=False)) == ["one", "two", "three"]
a = awkward1.from_iter([[b"one", b"two", b"three"], [], [b"four", b"five"]], highlevel=False)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a), highlevel=False)) == [["one", "two", "three"], [], ["four", "five"]]
def pandas_series_to_awkward(series, version=1):
values = series.values
if "fletcher" not in str(values.dtype).lower():
if version == 1:
return awkward1.from_numpy(values)
else:
return np.array(values, copy=False)
array_arrow = values.data
if version == 0:
array = awkward0.fromarrow(array_arrow)
if "MaskedArray" in str(type(array)):
array = array._content[array.boolmask()]
elif version == 1:
array = awkward1.from_arrow(array_arrow)
else:
raise RuntimeError(
"What version of awkward do you want? Specify `version=0` or `1`."
)
return array
def test_arrow_null_dictarray():
a = pyarrow.DictionaryArray.from_arrays(pyarrow.array([0, 0, 2, 2, 1, 0, 2, 1, 1]), pyarrow.array(["one", None, "three"]))
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == ["one", "one", "three", "three", None, "one", "three", None, None]
def test_arrow_union_sparse():
a = pyarrow.UnionArray.from_sparse(pyarrow.array([0, 1, 0, 0, 1], type=pyarrow.int8()), [pyarrow.array([0.0, 1.1, 2.2, 3.3, 4.4]), pyarrow.array([True, True, False, True, False])])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [0.0, True, 2.2, 3.3, False]
def test_arrow_union_dense_null_null():
a = pyarrow.UnionArray.from_dense(pyarrow.array([0, 1, 0, 0, 0, 1, 1], type=pyarrow.int8()), pyarrow.array([0, 0, 1, 2, 3, 1, 2], type=pyarrow.int32()), [pyarrow.array([0.0, 1.1, None, 3.3]), pyarrow.array([True, None, False])])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [0.0, True, 1.1, None, 3.3, None, False]
def test_arrow_chunked_strings():
a = pyarrow.chunked_array([pyarrow.array(["one", "two", "three", "four", "five"]), pyarrow.array(["six", "seven", "eight"])])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == ["one", "two", "three", "four", "five", "six", "seven", "eight"]
def test_arrow_null_nested_strings_null():
a = pyarrow.array([["one", "two", None], [], None, ["four", "five"]])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [["one", "two", None], [], None, ["four", "five"]]
def test_arrow_nested_nested_array():
a = pyarrow.array([[[1.1, 2.2], [3.3], []], [], [[4.4, 5.5]]])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [[[1.1, 2.2], [3.3], []], [], [[4.4, 5.5]]]
def test_arrow_binary_null():
a = pyarrow.array([b"one", b"two", None, b"four", b"five"])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [b"one", b"two", None, b"four", b"five"]
def test_arrow_struct_nested_null():
a = pyarrow.array([{"x": [], "y": 1.1}, {"x": [2], "y": 2.2}, {"x": [None, 3], "y": 3.3}])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [{"x": [], "y": 1.1}, {"x": [2], "y": 2.2}, {"x": [None, 3], "y": 3.3}]
def test_arrow_null_nested_struct_nested_null():
a = pyarrow.array([[{"x": [], "y": 1.1}, {"x": [2], "y": 2.2}, {"x": [None, 3], "y": 3.3}], None, [], [{"x": [4, 4, 4], "y": 4.4}, {"x": [5, 5, 5, 5], "y": 5.5}]])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [[{"x": [], "y": 1.1}, {"x": [2], "y": 2.2}, {"x": [None, 3], "y": 3.3}], None, [], [{"x": [4, 4, 4], "y": 4.4}, {"x": [5, 5, 5, 5], "y": 5.5}]]
def test_arrow_coverage100():
a = awkward1.from_iter([True, True, False, False, True, False, True, False], highlevel=False)
assert awkward1.to_arrow(a).to_pylist() == awkward1.to_list(a)
a = awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"), parameters={"__array__": "bytes"}), parameters={"__array__": "bytestring"})
assert [x for x in awkward1.to_arrow(a)] == [b"hello", b"there"]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True, False, False, True, True])), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10, 15, 20, 25, 30], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellotherehellotherehellothere", "u1"), parameters={"__array__": "bytes"}), parameters={"__array__": "bytestring"}), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == [b"hello", None, b"hello", b"there", None, None]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True])), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"), parameters={"__array__": "bytes"}), parameters={"__array__": "bytestring"}), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == [b"hello", None]
a = awkward1.layout.IndexedOptionArray32(awkward1.layout.Index32(numpy.array([-1, 1, -1, 0, 0, -1], "i4")), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"), parameters={"__array__": "bytes"}), parameters={"__array__": "bytestring"}))
assert [x for x in awkward1.to_arrow(a)] == [None, b"there", None, b"hello", b"hello", None]
a = awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"), parameters={"__array__": "chars"}), parameters={"__array__": "string"})
assert [x for x in awkward1.to_arrow(a)] == ["hello", "there"]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True, False, False, True, True])), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10, 15, 20, 25, 30], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellotherehellotherehellothere", "u1"), parameters={"__array__": "chars"}), parameters={"__array__": "string"}), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == ["hello", None, "hello", "there", None, None]
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a))) == ["hello", None, "hello", "there", None, None]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True, False, False, True, True])), awkward1.layout.ListOffsetArray64(awkward1.layout.Index64(numpy.array([0, 5, 10, 15, 20, 25, 30], "i8")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellotherehellotherehellothere", "u1"), parameters={"__array__": "chars"}), parameters={"__array__": "string"}), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == ["hello", None, "hello", "there", None, None]
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a))) == ["hello", None, "hello", "there", None, None]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True, False, False, True, True])), awkward1.layout.ListOffsetArray64(awkward1.layout.Index64(numpy.array([0, 5, 10, 15, 20, 25, 30], "i8")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellotherehellotherehellothere", "u1"), parameters={"__array__": "bytes"}), parameters={"__array__": "bytestring"}), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == [b"hello", None, b"hello", b"there", None, None]
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a))) == [b"hello", None, b"hello", b"there", None, None]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True])), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"), parameters={"__array__": "chars"}), parameters={"__array__": "string"}), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == ["hello", None]
a = awkward1.layout.IndexedOptionArray32(awkward1.layout.Index32(numpy.array([-1, 1, -1, 0, 0, -1], "i4")), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"), parameters={"__array__": "chars"}), parameters={"__array__": "string"}))
assert [x for x in awkward1.to_arrow(a)] == [None, "there", None, "hello", "hello", None]
a = awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1")))
assert [x for x in awkward1.to_arrow(a)] == [[104, 101, 108, 108, 111], [116, 104, 101, 114, 101]]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True, False, False, True, True])), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10, 15, 20, 25, 30], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellotherehellotherehellothere", "u1"))), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == [[104, 101, 108, 108, 111], None, [104, 101, 108, 108, 111], [116, 104, 101, 114, 101], None, None]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, True])), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"))), valid_when=False)
assert [x for x in awkward1.to_arrow(a)] == [[104, 101, 108, 108, 111], None]
a = awkward1.layout.IndexedOptionArray32(awkward1.layout.Index32(numpy.array([-1, 1, -1, 0, 0, -1], "i4")), awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"))))
assert [x for x in awkward1.to_arrow(a)] == [None, [116, 104, 101, 114, 101], None, [104, 101, 108, 108, 111], [104, 101, 108, 108, 111], None]
a = awkward1.layout.IndexedOptionArray32(awkward1.layout.Index32(numpy.array([-1, 1, -1, 0, 0, -1], "i4")), awkward1.layout.RegularArray(awkward1.layout.NumpyArray(numpy.array([1.1, 2.2, 3.3, 4.4, 5.5, 6.6])), 3))
assert awkward1.to_arrow(a).to_pylist() == [None, [4.4, 5.5, 6.6], None, [1.1, 2.2, 3.3], [1.1, 2.2, 3.3], None]
a = awkward1.layout.IndexedOptionArray32(awkward1.layout.Index32(numpy.array([-1, 1, -1, 0, 0, -1, 1, -1], "i4")), awkward1.layout.RegularArray(awkward1.layout.NumpyArray(numpy.array([1.1, 2.2, 3.3, 4.4, 5.5, 6.6])), 3))
assert awkward1.to_arrow(a).to_pylist() == [None, [4.4, 5.5, 6.6], None, [1.1, 2.2, 3.3], [1.1, 2.2, 3.3], None, [4.4, 5.5, 6.6], None]
a = awkward1.layout.IndexedOptionArray64(awkward1.layout.Index64(numpy.array([-1, 1, -1, 0, 0, -1, 1, -1], "i8")), awkward1.layout.RegularArray(awkward1.layout.NumpyArray(numpy.array([1.1, 2.2, 3.3, 4.4, 5.5, 6.6])), 3))
assert awkward1.to_arrow(a).to_pylist() == [None, [4.4, 5.5, 6.6], None, [1.1, 2.2, 3.3], [1.1, 2.2, 3.3], None, [4.4, 5.5, 6.6], None]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([True, True, True, True, False, False])), awkward1.layout.IndexedOptionArray32(awkward1.layout.Index32(numpy.array([-1, 1, -1, 0, 0, -1], "i4")), awkward1.layout.RegularArray(awkward1.layout.NumpyArray(numpy.array([1.1, 2.2, 3.3, 4.4, 5.5, 6.6])), 3)), valid_when=True)
assert awkward1.to_arrow(a).to_pylist() == [None, [4.4, 5.5, 6.6], None, [1.1, 2.2, 3.3], None, None]
a = awkward1.layout.UnmaskedArray(awkward1.layout.ListOffsetArray32(awkward1.layout.Index32(numpy.array([0, 5, 10], "i4")), awkward1.layout.NumpyArray(numpy.frombuffer(b"hellothere", "u1"))))
assert [x for x in awkward1.to_arrow(a)] == [[104, 101, 108, 108, 111], [116, 104, 101, 114, 101]]
a = pyarrow.array(["one", "two", "three", "two", "two", "one", "three", "one"]).dictionary_encode()
b = awkward1.from_arrow(a, highlevel=False)
assert isinstance(b, awkward1._util.indexedtypes)
assert awkward1.to_list(b) == ["one", "two", "three", "two", "two", "one", "three", "one"]
a = awkward1.Array([[1.1, 2.2, 3.3], [], None, [4.4, 5.5]])
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a))) == [[1.1, 2.2, 3.3], [], None, [4.4, 5.5]]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, False, False, True, True, False, False])), awkward1.layout.NumpyArray(numpy.array([1.1, 2.2, 3.3, 999, 314, 4.4, 5.5])), valid_when=False)
assert awkward1.to_arrow(a).to_pylist() == [1.1, 2.2, 3.3, None, None, 4.4, 5.5]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([False, False, False, True, True, False, False])), awkward1.from_iter([b"hello", b"", b"there", b"yuk", b"", b"o", b"hellothere"], highlevel=False), valid_when=False)
assert awkward1.to_arrow(a).to_pylist() == [b"hello", b"", b"there", None, None, b"o", b"hellothere"]
a = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8([True, True, False, True]), awkward1.from_iter([[1.1, 2.2, 3.3], [], [999], [4.4, 5.5]], highlevel=False), valid_when=True)
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a))) == [[1.1, 2.2, 3.3], [], None, [4.4, 5.5]]
a = awkward1.from_iter([[1, 2, 3], [], [4, 5], 999, 123], highlevel=False)
assert awkward1.to_arrow(a).to_pylist() == [[1, 2, 3], [], [4, 5], 999, 123]
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a))) == [[1, 2, 3], [], [4, 5], 999, 123]
b = awkward1.layout.ByteMaskedArray(awkward1.layout.Index8(numpy.array([True, True, False, False, True])), a, valid_when=True)
assert awkward1.to_arrow(b).to_pylist() == [[1, 2, 3], [], None, None, 123]
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(b))) == [[1, 2, 3], [], None, None, 123]
content1 = awkward1.from_iter([1.1, 2.2, 3.3, 4.4, 5.5], highlevel=False)
content2 = awkward1.layout.NumpyArray(numpy.array([], dtype=numpy.int32))
a = awkward1.layout.UnionArray8_32(awkward1.layout.Index8(numpy.array([0, 0, 0, 0, 0], "i1")), awkward1.layout.Index32(numpy.array([0, 1, 2, 3, 4], "i4")), [content1, content2])
assert awkward1.to_list(a) == [1.1, 2.2, 3.3, 4.4, 5.5]
assert awkward1.to_arrow(a).to_pylist() == [1.1, 2.2, 3.3, 4.4, 5.5]
assert awkward1.to_list(awkward1.from_arrow(awkward1.to_arrow(a))) == [1.1, 2.2, 3.3, 4.4, 5.5]
a = pyarrow.UnionArray.from_sparse(pyarrow.array([0, 0, 0, 0, 0], type=pyarrow.int8()), [pyarrow.array([0.0, 1.1, None, 3.3, 4.4]), pyarrow.array([True, None, False, True, False])])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [0.0, 1.1, None, 3.3, 4.4]
uniontype = pyarrow.union([pyarrow.field("0", pyarrow.list_(pyarrow.float64())),
pyarrow.field("1", pyarrow.float64())],
"sparse",
[0, 1])
a = pyarrow.Array.from_buffers(
uniontype,
5,
[pyarrow.py_buffer(numpy.array([3], "u1")),
pyarrow.py_buffer(numpy.array([0, 1, 0, 1, 1], "i1")),
None],
children=[pyarrow.array([[0.0, 1.1, 2.2], [], [3.3, 4.4], [5.5], [6.6, 7.7, 8.8, 9.9]]),
pyarrow.array([0.0, 1.1, 2.2, 3.3, 4.4])])
assert a.to_pylist() == [[0.0, 1.1, 2.2], 1.1, None, None, None]
assert awkward1.to_list(awkward1.from_arrow(a)) == [[0.0, 1.1, 2.2], 1.1, None, None, None]
a = pyarrow.chunked_array([pyarrow.array([1.1, 2.2, 3.3, 4.4, 5.5])])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [1.1, 2.2, 3.3, 4.4, 5.5]
def __from_arrow__(cls, arrow_array):
from .series import AwkwardSeries
ak_arr = ak.from_arrow(arrow_array)
return AwkwardSeries(ak_arr)
def test_arrow_null_struct_null():
a = pyarrow.array([{"x": 1, "y": 1.1}, None, {"x": 2, "y": None}, {"x": 3, "y": 3.3}])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [{"x": 1, "y": 1.1}, None, {"x": 2, "y": None}, {"x": 3, "y": 3.3}]
def test_arrow_chunked_array():
a = pyarrow.chunked_array([pyarrow.array([1.1, 2.2, 3.3, 4.4, 5.5]), pyarrow.array([], pyarrow.float64()), pyarrow.array([6.6, 7.7, 8.8])])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8]
def test_arrow_null_nested_array_null():
a = pyarrow.array([[1.1, 2.2, None], [], None, [4.4, 5.5]])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [[1.1, 2.2, None], [], None, [4.4, 5.5]]
def test_arrow_boolean():
a = pyarrow.array([True, True, False, False, True])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [True, True, False, False, True]
def test_arrow_strings_null():
if not awkward1._util.py27:
a = pyarrow.array(["one", "two", None, u"fo\u2014ur", "five"])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == ["one", "two", None, u"fo\u2014ur", "five"]
def test_arrow_chunked_struct():
t = pyarrow.struct({"x": pyarrow.int64(), "y": pyarrow.float64()})
a = pyarrow.chunked_array([pyarrow.array([{"x": 1, "y": 1.1}, {"x": 2, "y": 2.2}, {"x": 3, "y": 3.3}], t), pyarrow.array([], t), pyarrow.array([{"x": 4, "y": 4.4}, {"x": 5, "y": 5.5}], t)])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [{"x": 1, "y": 1.1}, {"x": 2, "y": 2.2}, {"x": 3, "y": 3.3}, {"x": 4, "y": 4.4}, {"x": 5, "y": 5.5}]
def test_arrow_array_null():
a = pyarrow.array([1.1, 2.2, 3.3, None, 4.4, 5.5])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [1.1, 2.2, 3.3, None, 4.4, 5.5]
def test_arrow_null_nested_struct_null():
a = pyarrow.array([[{"x": 1, "y": 1.1}, {"x": 2, "y": None}, {"x": 3, "y": 3.3}], None, [], [{"x": 4, "y": 4.4}, {"x": 5, "y": 5.5}]])
assert awkward1.to_list(awkward1.from_arrow(a, highlevel=False)) == [[{"x": 1, "y": 1.1}, {"x": 2, "y": None}, {"x": 3, "y": 3.3}], None, [], [{"x": 4, "y": 4.4}, {"x": 5, "y": 5.5}]]
def __from_arrow__(cls, arr):
ak_arr = ak.from_arrow(arr)
return cls(ak_arr)
