From dfc434f04fe34505db4f298323b5edd98eff0d63 Mon Sep 17 00:00:00 2001
From: Robert Blackwell <rblackwell@flatironinstitute.org>
Date: Mon, 5 Feb 2024 14:59:52 -0500
Subject: [PATCH] cuda-python: add deprecation warning for raw stream pointers

---
 python/cufinufft/cufinufft/_compat.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/python/cufinufft/cufinufft/_compat.py b/python/cufinufft/cufinufft/_compat.py
index 3e743dd16..54aa3a93b 100644
--- a/python/cufinufft/cufinufft/_compat.py
+++ b/python/cufinufft/cufinufft/_compat.py
@@ -1,7 +1,7 @@
 import inspect
 
 import numpy as np
-
+import warnings
 
 def get_array_ptr(data):
     try:
@@ -30,6 +30,10 @@ def get_array_module(obj):
 def get_stream_ptr(obj):
     framework = get_array_module(obj)
     if isinstance(obj, int):
+        warnings.warn("Raw stream pointers are deprecated and will be removed in version 2.4. "
+                      "Please use your python GPU framework's stream object type directly.",
+                      DeprecationWarning)
+
         return obj
     if framework == 'numba':
         return obj.handle.value