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# 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: |
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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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