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Copy pathbuiltin_convert.h
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76 lines (58 loc) · 2.63 KB
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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.
// Functions for converting between CPython built-in data structures and Arrow
// data structures
#ifndef ARROW_PYTHON_ADAPTERS_BUILTIN_H
#define ARROW_PYTHON_ADAPTERS_BUILTIN_H
#include "arrow/python/platform.h"
#include <memory>
#include <ostream>
#include <string>
#include "arrow/type.h"
#include "arrow/util/visibility.h"
#include "arrow/python/common.h"
namespace arrow {
class Array;
class Status;
namespace py {
ARROW_EXPORT arrow::Status InferArrowType(PyObject* obj,
std::shared_ptr<arrow::DataType>* out_type);
ARROW_EXPORT arrow::Status InferArrowTypeAndSize(
PyObject* obj, int64_t* size, std::shared_ptr<arrow::DataType>* out_type);
ARROW_EXPORT arrow::Status InferArrowSize(PyObject* obj, int64_t* size);
ARROW_EXPORT arrow::Status AppendPySequence(PyObject* obj, int64_t size,
const std::shared_ptr<arrow::DataType>& type,
arrow::ArrayBuilder* builder);
// Type and size inference
ARROW_EXPORT
Status ConvertPySequence(PyObject* obj, MemoryPool* pool, std::shared_ptr<Array>* out);
// Size inference
ARROW_EXPORT
Status ConvertPySequence(PyObject* obj, MemoryPool* pool, std::shared_ptr<Array>* out,
const std::shared_ptr<DataType>& type);
// No inference
ARROW_EXPORT
Status ConvertPySequence(PyObject* obj, MemoryPool* pool, std::shared_ptr<Array>* out,
const std::shared_ptr<DataType>& type, int64_t size);
ARROW_EXPORT
Status InvalidConversion(PyObject* obj, const std::string& expected_type_name,
std::ostream* out);
ARROW_EXPORT Status CheckPythonBytesAreFixedLength(PyObject* obj,
Py_ssize_t expected_length);
} // namespace py
} // namespace arrow
#endif // ARROW_PYTHON_ADAPTERS_BUILTIN_H