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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import os
import subprocess
import sys
import pytest
import pyarrow as pa
def test_get_include():
include_dir = pa.get_include()
assert os.path.exists(os.path.join(include_dir, 'arrow', 'api.h'))
@pytest.mark.skipif('sys.platform != "win32"')
def test_get_library_dirs_win32():
assert any(os.path.exists(os.path.join(directory, 'arrow.lib'))
for directory in pa.get_library_dirs())
def test_cpu_count():
n = pa.cpu_count()
assert n > 0
try:
pa.set_cpu_count(n + 5)
assert pa.cpu_count() == n + 5
finally:
pa.set_cpu_count(n)
def test_io_thread_count():
n = pa.io_thread_count()
assert n > 0
try:
pa.set_io_thread_count(n + 5)
assert pa.io_thread_count() == n + 5
finally:
pa.set_io_thread_count(n)
def test_build_info():
assert isinstance(pa.cpp_build_info, pa.BuildInfo)
assert isinstance(pa.cpp_version_info, pa.VersionInfo)
assert isinstance(pa.cpp_version, str)
assert isinstance(pa.__version__, str)
assert pa.cpp_build_info.version_info == pa.cpp_version_info
# assert pa.version == pa.__version__ # XXX currently false
def test_runtime_info():
info = pa.runtime_info()
assert isinstance(info, pa.RuntimeInfo)
possible_simd_levels = ('none', 'sse4_2', 'avx', 'avx2', 'avx512')
assert info.simd_level in possible_simd_levels
assert info.detected_simd_level in possible_simd_levels
if info.simd_level != 'none':
env = os.environ.copy()
env['ARROW_USER_SIMD_LEVEL'] = 'none'
code = f"""if 1:
import pyarrow as pa
info = pa.runtime_info()
assert info.simd_level == 'none', info.simd_level
assert info.detected_simd_level == {info.detected_simd_level!r},\
info.detected_simd_level
"""
subprocess.check_call([sys.executable, "-c", code], env=env)
@pytest.mark.parametrize('klass', [
pa.Field,
pa.Schema,
pa.ChunkedArray,
pa.RecordBatch,
pa.Table,
pa.Buffer,
pa.Array,
pa.Tensor,
pa.DataType,
pa.ListType,
pa.LargeListType,
pa.FixedSizeListType,
pa.UnionType,
pa.SparseUnionType,
pa.DenseUnionType,
pa.StructType,
pa.Time32Type,
pa.Time64Type,
pa.TimestampType,
pa.Decimal128Type,
pa.Decimal256Type,
pa.DictionaryType,
pa.FixedSizeBinaryType,
pa.NullArray,
pa.NumericArray,
pa.IntegerArray,
pa.FloatingPointArray,
pa.BooleanArray,
pa.Int8Array,
pa.Int16Array,
pa.Int32Array,
pa.Int64Array,
pa.UInt8Array,
pa.UInt16Array,
pa.UInt32Array,
pa.UInt64Array,
pa.ListArray,
pa.LargeListArray,
pa.MapArray,
pa.FixedSizeListArray,
pa.UnionArray,
pa.BinaryArray,
pa.StringArray,
pa.FixedSizeBinaryArray,
pa.DictionaryArray,
pa.Date32Array,
pa.Date64Array,
pa.TimestampArray,
pa.Time32Array,
pa.Time64Array,
pa.DurationArray,
pa.Decimal128Array,
pa.Decimal256Array,
pa.StructArray,
pa.Scalar,
pa.BooleanScalar,
pa.Int8Scalar,
pa.Int16Scalar,
pa.Int32Scalar,
pa.Int64Scalar,
pa.UInt8Scalar,
pa.UInt16Scalar,
pa.UInt32Scalar,
pa.UInt64Scalar,
pa.HalfFloatScalar,
pa.FloatScalar,
pa.DoubleScalar,
pa.Decimal128Scalar,
pa.Decimal256Scalar,
pa.Date32Scalar,
pa.Date64Scalar,
pa.Time32Scalar,
pa.Time64Scalar,
pa.TimestampScalar,
pa.DurationScalar,
pa.StringScalar,
pa.BinaryScalar,
pa.FixedSizeBinaryScalar,
pa.ListScalar,
pa.LargeListScalar,
pa.MapScalar,
pa.FixedSizeListScalar,
pa.UnionScalar,
pa.StructScalar,
pa.DictionaryScalar,
pa.ipc.Message,
pa.ipc.MessageReader,
pa.MemoryPool,
pa.LoggingMemoryPool,
pa.ProxyMemoryPool,
])
def test_extension_type_constructor_errors(klass):
# ARROW-2638: prevent calling extension class constructors directly
msg = "Do not call {cls}'s constructor directly, use .* instead."
with pytest.raises(TypeError, match=msg.format(cls=klass.__name__)):
klass()
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