46 lines
1.8 KiB
Cython
46 lines
1.8 KiB
Cython
# 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.
|
|
|
|
cimport cpython
|
|
from cpython.pycapsule cimport PyCapsule_New
|
|
|
|
|
|
cdef void dlpack_pycapsule_deleter(object dltensor) noexcept:
|
|
cdef DLManagedTensor* dlm_tensor
|
|
cdef PyObject* err_type
|
|
cdef PyObject* err_value
|
|
cdef PyObject* err_traceback
|
|
|
|
# Do nothing if the capsule has been consumed
|
|
if cpython.PyCapsule_IsValid(dltensor, "used_dltensor"):
|
|
return
|
|
|
|
# An exception may be in-flight, we must save it in case
|
|
# we create another one
|
|
cpython.PyErr_Fetch(&err_type, &err_value, &err_traceback)
|
|
|
|
dlm_tensor = <DLManagedTensor*>cpython.PyCapsule_GetPointer(dltensor, 'dltensor')
|
|
if dlm_tensor == NULL:
|
|
cpython.PyErr_WriteUnraisable(dltensor)
|
|
# The deleter can be NULL if there is no way for the caller
|
|
# to provide a reasonable destructor
|
|
elif dlm_tensor.deleter:
|
|
dlm_tensor.deleter(dlm_tensor)
|
|
assert (not cpython.PyErr_Occurred())
|
|
|
|
# Set the error indicator from err_type, err_value, err_traceback
|
|
cpython.PyErr_Restore(err_type, err_value, err_traceback)
|