--- /dev/null
+# 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.
+
+from libcpp.memory cimport shared_ptr
+from pyarrow.includes.libarrow cimport (CArray, CBuffer, CDataType,
+ CField, CRecordBatch, CSchema,
+ CTable, CTensor, CSparseCOOTensor,
+ CSparseCSRMatrix, CSparseCSCMatrix,
+ CSparseCSFTensor)
+
+cdef extern from "arrow/python/pyarrow.h" namespace "arrow::py":
+ cdef int import_pyarrow() except -1
+ cdef object wrap_buffer(const shared_ptr[CBuffer]& buffer)
+ cdef object wrap_data_type(const shared_ptr[CDataType]& type)
+ cdef object wrap_field(const shared_ptr[CField]& field)
+ cdef object wrap_schema(const shared_ptr[CSchema]& schema)
+ cdef object wrap_array(const shared_ptr[CArray]& sp_array)
+ cdef object wrap_tensor(const shared_ptr[CTensor]& sp_tensor)
+ cdef object wrap_sparse_tensor_coo(
+ const shared_ptr[CSparseCOOTensor]& sp_sparse_tensor)
+ cdef object wrap_sparse_tensor_csr(
+ const shared_ptr[CSparseCSRMatrix]& sp_sparse_tensor)
+ cdef object wrap_sparse_tensor_csc(
+ const shared_ptr[CSparseCSCMatrix]& sp_sparse_tensor)
+ cdef object wrap_sparse_tensor_csf(
+ const shared_ptr[CSparseCSFTensor]& sp_sparse_tensor)
+ cdef object wrap_table(const shared_ptr[CTable]& ctable)
+ cdef object wrap_batch(const shared_ptr[CRecordBatch]& cbatch)