Cython 3.0 changes with noexcept

Changes per

 https://cython.readthedocs.io/en/latest/src/userguide/external_C_code.html

Capsule deleter functions are marked noexcept

except/noexcept must be specified before gil/no gil.

cpdef functions should not have except qualifiers.

Author: oleksandr-pavlyk

dpctl/_sycl_context.pyx

@@ -68,7 +68,7 @@ cdef class SyclContextCreationError(Exception):
     pass
 
 
-cdef void _context_capsule_deleter(object o):
+cdef void _context_capsule_deleter(object o) noexcept:
     cdef DPCTLSyclContextRef CRef = NULL
     if pycapsule.PyCapsule_IsValid(o, "SyclContextRef"):
         CRef = <DPCTLSyclContextRef> pycapsule.PyCapsule_GetPointer(

dpctl/_sycl_event.pyx

@@ -73,7 +73,7 @@ cdef api SyclEvent SyclEvent_Make(DPCTLSyclEventRef ERef):
     return SyclEvent._create(copied_ERef)
 
 
-cdef void _event_capsule_deleter(object o):
+cdef void _event_capsule_deleter(object o) noexcept:
     cdef DPCTLSyclEventRef ERef = NULL
     if pycapsule.PyCapsule_IsValid(o, "SyclEventRef"):
         ERef = <DPCTLSyclEventRef> pycapsule.PyCapsule_GetPointer(

dpctl/_sycl_queue.pyx

@@ -121,7 +121,7 @@ cdef class SyclAsynchronousError(Exception):
     """
 
 
-cdef void default_async_error_handler(int err) nogil except *:
+cdef void default_async_error_handler(int err) except * nogil:
     with gil:
         raise SyclAsynchronousError(err)
 
@@ -159,7 +159,7 @@ cdef int _parse_queue_properties(object prop) except *:
     return res
 
 
-cdef void _queue_capsule_deleter(object o):
+cdef void _queue_capsule_deleter(object o) noexcept:
     cdef DPCTLSyclQueueRef QRef = NULL
     if pycapsule.PyCapsule_IsValid(o, "SyclQueueRef"):
         QRef = <DPCTLSyclQueueRef> pycapsule.PyCapsule_GetPointer(

dpctl/tensor/_dlpack.pyx

@@ -106,23 +106,23 @@ def get_build_dlpack_version():
     return str(DLPACK_VERSION)
 
 
-cdef void _pycapsule_deleter(object dlt_capsule):
+cdef void _pycapsule_deleter(object dlt_capsule) noexcept:
     cdef DLManagedTensor *dlm_tensor = NULL
     if cpython.PyCapsule_IsValid(dlt_capsule, 'dltensor'):
         dlm_tensor = <DLManagedTensor*>cpython.PyCapsule_GetPointer(
             dlt_capsule, 'dltensor')
         dlm_tensor.deleter(dlm_tensor)
 
 
-cdef void _managed_tensor_deleter(DLManagedTensor *dlm_tensor) with gil:
+cdef void _managed_tensor_deleter(DLManagedTensor *dlm_tensor) noexcept with gil:
     if dlm_tensor is not NULL:
         stdlib.free(dlm_tensor.dl_tensor.shape)
         cpython.Py_DECREF(<usm_ndarray>dlm_tensor.manager_ctx)
         dlm_tensor.manager_ctx = NULL
         stdlib.free(dlm_tensor)
 
 
-cpdef to_dlpack_capsule(usm_ndarray usm_ary) except+:
+cpdef to_dlpack_capsule(usm_ndarray usm_ary):
     """
     to_dlpack_capsule(usm_ary)
 
@@ -288,7 +288,7 @@ cdef class _DLManagedTensorOwner:
         return res
 
 
-cpdef usm_ndarray from_dlpack_capsule(object py_caps) except +:
+cpdef usm_ndarray from_dlpack_capsule(object py_caps):
     """
     from_dlpack_capsule(caps)