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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.
# cython: language_level = 3
"""Dataset is currently unstable. APIs subject to change without notice."""
from pyarrow.includes.common cimport *
from pyarrow.includes.libarrow_dataset cimport *
from pyarrow.lib cimport *
from pyarrow._fs cimport FileSystem, FileInfo
cdef CFileSource _make_file_source(object file, FileSystem filesystem=*, object file_size=*)
cdef class DatasetFactory(_Weakrefable):
cdef:
SharedPtrNoGIL[CDatasetFactory] wrapped
CDatasetFactory* factory
cdef init(self, const shared_ptr[CDatasetFactory]& sp)
@staticmethod
cdef wrap(const shared_ptr[CDatasetFactory]& sp)
cdef inline shared_ptr[CDatasetFactory] unwrap(self) nogil
cdef class Dataset(_Weakrefable):
cdef:
SharedPtrNoGIL[CDataset] wrapped
CDataset* dataset
public dict _scan_options
cdef void init(self, const shared_ptr[CDataset]& sp)
@staticmethod
cdef wrap(const shared_ptr[CDataset]& sp)
cdef shared_ptr[CDataset] unwrap(self) nogil
cdef class Scanner(_Weakrefable):
cdef:
SharedPtrNoGIL[CScanner] wrapped
CScanner* scanner
cdef void init(self, const shared_ptr[CScanner]& sp)
@staticmethod
cdef wrap(const shared_ptr[CScanner]& sp)
cdef shared_ptr[CScanner] unwrap(self)
@staticmethod
cdef shared_ptr[CScanOptions] _make_scan_options(Dataset dataset, dict py_scanoptions) except *
cdef class FragmentScanOptions(_Weakrefable):
cdef:
shared_ptr[CFragmentScanOptions] wrapped
cdef void init(self, const shared_ptr[CFragmentScanOptions]& sp)
@staticmethod
cdef wrap(const shared_ptr[CFragmentScanOptions]& sp)
cdef class FileFormat(_Weakrefable):
cdef:
shared_ptr[CFileFormat] wrapped
CFileFormat* format
cdef void init(self, const shared_ptr[CFileFormat]& sp)
@staticmethod
cdef wrap(const shared_ptr[CFileFormat]& sp)
cdef inline shared_ptr[CFileFormat] unwrap(self)
cdef _set_default_fragment_scan_options(self, FragmentScanOptions options)
# Return a WrittenFile after a file was written.
# May be overridden by subclasses, e.g. to add metadata.
cdef WrittenFile _finish_write(self, path, base_dir,
CFileWriter* file_writer)
cdef class FileWriteOptions(_Weakrefable):
cdef:
shared_ptr[CFileWriteOptions] wrapped
CFileWriteOptions* c_options
cdef void init(self, const shared_ptr[CFileWriteOptions]& sp)
@staticmethod
cdef wrap(const shared_ptr[CFileWriteOptions]& sp)
cdef inline shared_ptr[CFileWriteOptions] unwrap(self)
cdef class Fragment(_Weakrefable):
cdef:
SharedPtrNoGIL[CFragment] wrapped
CFragment* fragment
cdef void init(self, const shared_ptr[CFragment]& sp)
@staticmethod
cdef wrap(const shared_ptr[CFragment]& sp)
cdef inline shared_ptr[CFragment] unwrap(self)
cdef class FileFragment(Fragment):
cdef:
CFileFragment* file_fragment
cdef void init(self, const shared_ptr[CFragment]& sp)
cdef class Partitioning(_Weakrefable):
cdef:
shared_ptr[CPartitioning] wrapped
CPartitioning* partitioning
cdef init(self, const shared_ptr[CPartitioning]& sp)
@staticmethod
cdef wrap(const shared_ptr[CPartitioning]& sp)
cdef inline shared_ptr[CPartitioning] unwrap(self)
cdef class PartitioningFactory(_Weakrefable):
cdef:
shared_ptr[CPartitioningFactory] wrapped
CPartitioningFactory* factory
object constructor
object options
cdef init(self, const shared_ptr[CPartitioningFactory]& sp)
@staticmethod
cdef wrap(const shared_ptr[CPartitioningFactory]& sp,
object constructor, object options)
cdef inline shared_ptr[CPartitioningFactory] unwrap(self)
cdef class WrittenFile(_Weakrefable):
# The full path to the created file
cdef public str path
# Optional Parquet metadata
# This metadata will have the file path attribute set to the path of
# the written file.
cdef public object metadata
# The size of the file in bytes
cdef public int64_t size
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