[compat] Handle deprecation of jax.Array.device_buffer

pysages/backends/utils.py

@@ -9,7 +9,7 @@
 from numpy.ctypeslib import as_ctypes_type
 
 from pysages.typing import JaxArray
-from pysages.utils import dispatch
+from pysages.utils import dispatch, unsafe_buffer_pointer
 
 
 def cupy_helpers():
@@ -38,7 +38,7 @@ def view(array: JaxArray):
     # NOTE: We need a more general strategy to handle
     # `SharedDeviceArray`s and `GlobalDeviceArray`s.
     ptype = ctypes.POINTER(as_ctypes_type(array.dtype))
-    addr = array.device_buffer.unsafe_buffer_pointer()
+    addr = unsafe_buffer_pointer(array)
     ptr = ctypes.cast(ctypes.c_void_p(addr), ptype)
     return numba.carray(ptr, array.shape)
 

pysages/utils/__init__.py

@@ -17,6 +17,7 @@
     prod,
     solve_pos_def,
     try_import,
+    unsafe_buffer_pointer,
 )
 from .core import (
     ToCPU,

pysages/utils/compat.py

@@ -36,11 +36,24 @@ def prod(iterable, start=1):
         return result
 
 
-# Compatibility for jax >=0.4.27
+# Compatibility for jax >=0.4.22
 
-# https://github.com/google/jax/blob/main/CHANGELOG.md#jax-0427-may-7-2024
+# https://github.com/google/jax/blob/main/CHANGELOG.md#jax-0422-dec-13-2023
+if _jax_version_tuple < (0, 4, 22):
 
-if _jax_version_tuple < (0, 4, 27):
+    def unsafe_buffer_pointer(array):
+        return array.device_buffer.unsafe_buffer_pointer()
+
+else:
+
+    def unsafe_buffer_pointer(array):
+        return array.unsafe_buffer_pointer()
+
+
+# Compatibility for jax >=0.4.21
+
+# https://github.com/google/jax/blob/main/CHANGELOG.md#jax-0421-dec-4-2023
+if _jax_version_tuple < (0, 4, 21):
 
     def device_platform(array):
         return array.device().platform