// 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. #pragma once #include "arrow/python/platform.h" #include #include "arrow/python/visibility.h" #include "arrow/sparse_tensor.h" // Work around ARROW-2317 (C linkage warning from Cython) extern "C++" { namespace arrow { class Array; class Buffer; class DataType; class Field; class RecordBatch; class Schema; class Status; class Table; class Tensor; namespace py { // Returns 0 on success, -1 on error. ARROW_PYTHON_EXPORT int import_pyarrow(); #define DECLARE_WRAP_FUNCTIONS(FUNC_SUFFIX, TYPE_NAME) \ ARROW_PYTHON_EXPORT bool is_##FUNC_SUFFIX(PyObject*); \ ARROW_PYTHON_EXPORT Result> unwrap_##FUNC_SUFFIX( \ PyObject*); \ ARROW_PYTHON_EXPORT PyObject* wrap_##FUNC_SUFFIX(const std::shared_ptr&); DECLARE_WRAP_FUNCTIONS(buffer, Buffer) DECLARE_WRAP_FUNCTIONS(data_type, DataType) DECLARE_WRAP_FUNCTIONS(field, Field) DECLARE_WRAP_FUNCTIONS(schema, Schema) DECLARE_WRAP_FUNCTIONS(scalar, Scalar) DECLARE_WRAP_FUNCTIONS(array, Array) DECLARE_WRAP_FUNCTIONS(chunked_array, ChunkedArray) DECLARE_WRAP_FUNCTIONS(sparse_coo_tensor, SparseCOOTensor) DECLARE_WRAP_FUNCTIONS(sparse_csc_matrix, SparseCSCMatrix) DECLARE_WRAP_FUNCTIONS(sparse_csf_tensor, SparseCSFTensor) DECLARE_WRAP_FUNCTIONS(sparse_csr_matrix, SparseCSRMatrix) DECLARE_WRAP_FUNCTIONS(tensor, Tensor) DECLARE_WRAP_FUNCTIONS(batch, RecordBatch) DECLARE_WRAP_FUNCTIONS(table, Table) #undef DECLARE_WRAP_FUNCTIONS namespace internal { // If status is ok, return 0. // If status is not ok, set Python error indicator and return -1. ARROW_PYTHON_EXPORT int check_status(const Status& status); // Convert status to a Python exception object. Status must not be ok. ARROW_PYTHON_EXPORT PyObject* convert_status(const Status& status); } // namespace internal } // namespace py } // namespace arrow } // extern "C++"