do not require cuda_python_test_helpers to be pre-installed for now

Author: leofang

cuda_core/tests/conftest.py

@@ -87,9 +87,7 @@ def ipc_device():
         pytest.skip("Device does not support IPC")
 
     # Skip on WSL or if driver rejects IPC-enabled mempool creation on this platform/device
-    from cuda_python_test_helpers import IS_WSL, supports_ipc_mempool
-
-    if IS_WSL or not supports_ipc_mempool(device):
+    if helpers.IS_WSL or not helpers.supports_ipc_mempool(device):
         pytest.skip("Driver rejects IPC-enabled mempool creation on this platform")
 
     return device

cuda_core/tests/helpers.py

@@ -2,6 +2,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import os
+import pathlib
+import sys
 
 CUDA_PATH = os.environ.get("CUDA_PATH")
 CUDA_INCLUDE_PATH = None
@@ -14,3 +16,18 @@
         path = os.path.join(path, "cccl")
         if os.path.isdir(path):
             CCCL_INCLUDE_PATHS = (path,) + CCCL_INCLUDE_PATHS
+
+
+try:
+    import cuda_python_test_helpers
+except ImportError:
+    # Import shared platform helpers for tests across repos
+    sys.path.insert(0, str(pathlib.Path(__file__).resolve().parents[2] / "cuda_python_test_helpers"))
+    import cuda_python_test_helpers
+
+
+IS_WSL = cuda_python_test_helpers.IS_WSL
+supports_ipc_mempool = cuda_python_test_helpers.supports_ipc_mempool
+
+
+del cuda_python_test_helpers