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51 lines
2.1 KiB
Cython
51 lines
2.1 KiB
Cython
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# distutils: language = c++
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from pyarrow.includes.libarrow cimport (CCompressionType, CStatus, CTable,
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COutputStream, CResult, shared_ptr,
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vector, CRandomAccessFile, CSchema,
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c_string, CIpcReadOptions)
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cdef extern from "arrow/ipc/api.h" namespace "arrow::ipc" nogil:
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int kFeatherV1Version" arrow::ipc::feather::kFeatherV1Version"
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int kFeatherV2Version" arrow::ipc::feather::kFeatherV2Version"
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cdef cppclass CFeatherProperties" arrow::ipc::feather::WriteProperties":
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int version
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int chunksize
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CCompressionType compression
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int compression_level
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CStatus WriteFeather" arrow::ipc::feather::WriteTable" \
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(const CTable& table, COutputStream* out,
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CFeatherProperties properties)
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cdef cppclass CFeatherReader" arrow::ipc::feather::Reader":
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@staticmethod
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CResult[shared_ptr[CFeatherReader]] Open(
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const shared_ptr[CRandomAccessFile]& file,
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const CIpcReadOptions& options)
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int version()
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shared_ptr[CSchema] schema()
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CStatus Read(shared_ptr[CTable]* out)
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CStatus Read(const vector[int] indices, shared_ptr[CTable]* out)
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CStatus Read(const vector[c_string] names, shared_ptr[CTable]* out)
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