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.venv/Lib/site-packages/pyarrow/include/arrow/python/inference.h

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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
+
+#pragma once
+
+#include "arrow/python/platform.h"
+
+#include <memory>
+
+#include "arrow/python/visibility.h"
+#include "arrow/type.h"
+#include "arrow/util/macros.h"
+
+#include "arrow/python/common.h"
+
+namespace arrow {
+
+class Array;
+class Status;
+
+namespace py {
+
+// These functions take a sequence input, not arbitrary iterables
+
+/// \brief Infer Arrow type from a Python sequence
+/// \param[in] obj the sequence of values
+/// \param[in] mask an optional mask where True values are null. May
+/// be nullptr
+/// \param[in] pandas_null_sentinels use pandas's null value markers
+ARROW_PYTHON_EXPORT
+Result<std::shared_ptr<arrow::DataType>> InferArrowType(PyObject* obj, PyObject* mask,
+                                                        bool pandas_null_sentinels);
+
+/// Checks whether the passed Python object is a boolean scalar
+ARROW_PYTHON_EXPORT
+bool IsPyBool(PyObject* obj);
+
+/// Checks whether the passed Python object is an integer scalar
+ARROW_PYTHON_EXPORT
+bool IsPyInt(PyObject* obj);
+
+/// Checks whether the passed Python object is a float scalar
+ARROW_PYTHON_EXPORT
+bool IsPyFloat(PyObject* obj);
+
+}  // namespace py
+}  // namespace arrow