add absolute imports

python/pyarrow/__init__.pxd

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from libcpp.memory cimport shared_ptr
 from pyarrow.includes.libarrow cimport (CArray, CBuffer, CColumn, CDataType,
                                         CField, CRecordBatch, CSchema,

python/pyarrow/__init__.py

@@ -17,6 +17,8 @@
 
 # flake8: noqa
 
+from __future__ import absolute_import
+
 import os as _os
 import sys as _sys
 

python/pyarrow/_csv.pyx

@@ -20,6 +20,8 @@
 # cython: embedsignature = True
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from pyarrow.includes.common cimport *
 from pyarrow.includes.libarrow cimport *
 from pyarrow.lib cimport (check_status, Field, MemoryPool, ensure_type,

python/pyarrow/_cuda.pxd

@@ -17,6 +17,8 @@
 
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from pyarrow.lib cimport *
 from pyarrow.includes.common cimport *
 from pyarrow.includes.libarrow cimport *

python/pyarrow/_cuda.pyx

@@ -16,6 +16,8 @@
 # under the License.
 
 
+from __future__ import absolute_import
+
 from pyarrow.compat import tobytes
 from pyarrow.lib cimport *
 from pyarrow.includes.libarrow_cuda cimport *

python/pyarrow/_flight.pyx

@@ -17,6 +17,8 @@
 
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 import collections
 import enum
 

python/pyarrow/_json.pyx

@@ -20,6 +20,8 @@
 # cython: embedsignature = True
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from pyarrow.includes.common cimport *
 from pyarrow.includes.libarrow cimport *
 from pyarrow.lib cimport (check_status, Field, MemoryPool, ensure_type,

python/pyarrow/_orc.pxd

@@ -18,6 +18,8 @@
 # distutils: language = c++
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from libc.string cimport const_char
 from libcpp.vector cimport vector as std_vector
 from pyarrow.includes.common cimport *

python/pyarrow/_orc.pyx

@@ -19,6 +19,8 @@
 # distutils: language = c++
 # cython: embedsignature = True
 
+from __future__ import absolute_import
+
 from cython.operator cimport dereference as deref
 from libcpp.vector cimport vector as std_vector
 from pyarrow.includes.common cimport *

python/pyarrow/_parquet.pxd

@@ -18,6 +18,8 @@
 # distutils: language = c++
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from pyarrow.includes.common cimport *
 from pyarrow.includes.libarrow cimport (CChunkedArray, CSchema, CStatus,
                                         CTable, CMemoryPool, CBuffer,

python/pyarrow/_parquet.pyx

@@ -19,6 +19,8 @@
 # distutils: language = c++
 # cython: embedsignature = True
 
+from __future__ import absolute_import
+
 import io
 import six
 import warnings

python/pyarrow/_plasma.pyx

@@ -20,6 +20,8 @@
 # cython: embedsignature = True
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from libcpp cimport bool as c_bool, nullptr
 from libcpp.memory cimport shared_ptr, unique_ptr, make_shared
 from libcpp.string cimport string as c_string

python/pyarrow/array.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 
 cdef _sequence_to_array(object sequence, object mask, object size,
                         DataType type, CMemoryPool* pool, c_bool from_pandas):

python/pyarrow/benchmark.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 
 def benchmark_PandasObjectIsNull(list obj):
     Benchmark_PandasObjectIsNull(obj)

python/pyarrow/benchmark.py

@@ -17,4 +17,6 @@
 
 # flake8: noqa
 
+from __future__ import absolute_import
+
 from pyarrow.lib import benchmark_PandasObjectIsNull

python/pyarrow/builder.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import six
 
 from pyarrow.compat import tobytes

python/pyarrow/compat.py

@@ -17,6 +17,8 @@
 
 # flake8: noqa
 
+from __future__ import absolute_import
+
 import itertools
 
 import numpy as np

python/pyarrow/csv.py

@@ -15,4 +15,6 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from pyarrow._csv import ReadOptions, ParseOptions, ConvertOptions, read_csv  # noqa

python/pyarrow/cuda.py

@@ -17,6 +17,8 @@
 
 # flake8: noqa
 
+from __future__ import absolute_import
+
 from pyarrow._cuda import (Context, IpcMemHandle, CudaBuffer,
                            HostBuffer, BufferReader, BufferWriter,
                            new_host_buffer,

python/pyarrow/error.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from pyarrow.includes.libarrow cimport CStatus
 from pyarrow.includes.common cimport c_string
 from pyarrow.compat import frombytes

python/pyarrow/feather.pxi

@@ -18,6 +18,7 @@
 # ---------------------------------------------------------------------
 # Implement legacy Feather file format
 
+from __future__ import absolute_import
 
 class FeatherError(Exception):
     pass

python/pyarrow/feather.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import os
 
 import six

python/pyarrow/filesystem.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import os
 import inspect
 import posixpath

python/pyarrow/flight.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import sys
 
 if sys.version_info < (3,):

python/pyarrow/gandiva.pyx

@@ -20,6 +20,8 @@
 # cython: embedsignature = True
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from libcpp cimport bool as c_bool, nullptr
 from libcpp.memory cimport shared_ptr, unique_ptr, make_shared
 from libcpp.string cimport string as c_string

python/pyarrow/hdfs.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import os
 import posixpath
 import sys

python/pyarrow/io-hdfs.pxi

@@ -18,6 +18,8 @@
 # ----------------------------------------------------------------------
 # HDFS IO implementation
 
+from __future__ import absolute_import
+
 _HDFS_PATH_RE = re.compile(r'hdfs://(.*):(\d+)(.*)')
 
 try:

python/pyarrow/io.pxi

@@ -18,6 +18,8 @@
 # Cython wrappers for IO interfaces defined in arrow::io and messaging in
 # arrow::ipc
 
+from __future__ import absolute_import
+
 from libc.stdlib cimport malloc, free
 
 import re

python/pyarrow/ipc.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 cdef class Message:
     """
     Container for an Arrow IPC message with metadata and optional body

python/pyarrow/ipc.py

@@ -17,6 +17,8 @@
 
 # Arrow file and stream reader/writer classes, and other messaging tools
 
+from __future__ import absolute_import
+
 import pyarrow as pa
 
 from pyarrow.lib import (Message, MessageReader,  # noqa

python/pyarrow/json.py

@@ -15,4 +15,6 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from pyarrow._json import ReadOptions, ParseOptions, read_json  # noqa

python/pyarrow/jvm.py

@@ -25,6 +25,8 @@ through jpype. Modules that talk to a remote JVM like py4j will not work as the
 memory addresses reported by them are not reachable in the python process.
 """
 
+from __future__ import absolute_import
+
 
 import pyarrow as pa
 

python/pyarrow/lib.pxd

@@ -17,6 +17,8 @@
 
 # cython: language_level = 3
 
+from __future__ import absolute_import
+
 from pyarrow.includes.common cimport *
 from pyarrow.includes.libarrow cimport *
 from pyarrow.includes.libarrow cimport CStatus

python/pyarrow/lib.pyx

@@ -19,6 +19,8 @@
 # distutils: language = c++
 # cython: embedsignature = True
 
+from __future__ import absolute_import
+
 import datetime
 import decimal as _pydecimal
 import json

python/pyarrow/memory.pxi

@@ -19,6 +19,8 @@
 # distutils: language = c++
 # cython: embedsignature = True
 
+from __future__ import absolute_import
+
 
 cdef class MemoryPool:
     """

python/pyarrow/orc.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from itertools import count
 from numbers import Integral
 

python/pyarrow/pandas-shim.pxi

@@ -17,6 +17,8 @@
 
 # pandas lazy-loading API shim that reduces API call and import overhead
 
+from __future__ import absolute_import
+
 cdef class _PandasAPIShim(object):
     """
     Lazy pandas importer that isolates usages of pandas APIs and avoids

python/pyarrow/pandas_compat.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import ast
 import json
 import operator

python/pyarrow/parquet.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from collections import defaultdict
 from concurrent import futures
 from functools import partial

python/pyarrow/plasma.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import contextlib
 import os
 import pyarrow as pa

python/pyarrow/public-api.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from libcpp.memory cimport shared_ptr
 from pyarrow.includes.libarrow cimport (CArray, CColumn, CDataType, CField,
                                         CRecordBatch, CSchema,

python/pyarrow/scalar.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 
 _NULL = NA = None
 

python/pyarrow/serialization.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 from cpython.ref cimport PyObject
 
 import six

python/pyarrow/serialization.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import collections
 import six
 import sys

python/pyarrow/table.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 cdef class ChunkedArray(_PandasConvertible):
     """
     Array backed via one or more memory chunks.

python/pyarrow/types.pxi

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import absolute_import
+
 import re
 import warnings
 

python/pyarrow/types.py

@@ -17,6 +17,8 @@
 
 # Tools for dealing with Arrow type metadata in Python
 
+from __future__ import absolute_import
+
 from pyarrow.lib import (is_boolean_value,  # noqa
                          is_integer_value,
                          is_float_value)

python/pyarrow/util.py

@@ -17,6 +17,8 @@
 
 # Miscellaneous utility code
 
+from __future__ import absolute_import
+
 import functools
 import six
 import warnings