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https://github.com/apache/arrow.git
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Antoine Prouvost
118892700b
### Rationale for this change Pure version bump to enable implementing more features. ### What changes are included in this PR? - Change the DLPack header file and definition. - Use `raw_data` for `Tensor` similar to `Array` (instead of `mutable_raw_data` that is not available on immutable tensors). - Strides may no longer be `NULL` - Add `ExportArrayVersioned` and `ExportTensorVersioned` C APIs - Support for `copy` - Support for `max_version` and `copy` in `__dlpack__` - Add `dl_device` to `__dlpack__` parameters as the spec requires but only CPU supported at the moment ### Are these changes tested? Yes, with existing tests. ### Are there any user-facing changes? * GitHub Issue: #41670 Authored-by: AntoinePrv <AntoinePrv@users.noreply.github.com> Signed-off-by: AlenkaF <frim.alenka@gmail.com>
75 lines
2.8 KiB
Cython
75 lines
2.8 KiB
Cython
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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cimport cpython
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from cpython.pycapsule cimport PyCapsule_New
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cdef void dlpack_pycapsule_deleter(object dltensor) noexcept:
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cdef DLManagedTensor* dlm_tensor
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cdef PyObject* err_type
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cdef PyObject* err_value
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cdef PyObject* err_traceback
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# Do nothing if the capsule has been consumed
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if cpython.PyCapsule_IsValid(dltensor, "used_dltensor"):
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return
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# An exception may be in-flight, we must save it in case
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# we create another one
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cpython.PyErr_Fetch(&err_type, &err_value, &err_traceback)
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dlm_tensor = <DLManagedTensor*>cpython.PyCapsule_GetPointer(dltensor, 'dltensor')
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if dlm_tensor == NULL:
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cpython.PyErr_WriteUnraisable(dltensor)
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# The deleter can be NULL if there is no way for the caller
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# to provide a reasonable destructor
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elif dlm_tensor.deleter:
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dlm_tensor.deleter(dlm_tensor)
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assert (not cpython.PyErr_Occurred())
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# Set the error indicator from err_type, err_value, err_traceback
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cpython.PyErr_Restore(err_type, err_value, err_traceback)
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cdef void dlpack_versioned_pycapsule_deleter(object dltensor) noexcept:
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cdef DLManagedTensorVersioned* dlm_tensor
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cdef PyObject* err_type
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cdef PyObject* err_value
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cdef PyObject* err_traceback
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# Do nothing if the capsule has been consumed
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if cpython.PyCapsule_IsValid(dltensor, "used_dltensor_versioned"):
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return
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# An exception may be in-flight, we must save it in case
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# we create another one
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cpython.PyErr_Fetch(&err_type, &err_value, &err_traceback)
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dlm_tensor = <DLManagedTensorVersioned*>cpython.PyCapsule_GetPointer(
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dltensor, 'dltensor_versioned')
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if dlm_tensor == NULL:
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cpython.PyErr_WriteUnraisable(dltensor)
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# The deleter can be NULL if there is no way for the caller
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# to provide a reasonable destructor
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elif dlm_tensor.deleter:
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dlm_tensor.deleter(dlm_tensor)
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assert (not cpython.PyErr_Occurred())
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# Set the error indicator from err_type, err_value, err_traceback
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cpython.PyErr_Restore(err_type, err_value, err_traceback)
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