jorisvandenbossche commented on code in PR #40385:
URL: https://github.com/apache/arrow/pull/40385#discussion_r1557106992
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python/pyarrow/lib.pyx:
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@@ -143,6 +144,18 @@ def _pac():
return __pac
+def _ensure_cuda_loaded():
+ # Try importing the cuda module to ensure libarrow_cuda gets loaded
+ # to register the CUDA device for the C Data Interface import
+ global __cuda_loaded
+ if not __cuda_loaded:
+ try:
+ import pyarrow.cuda # no-cython-lint
+ except ImportError:
+ pass
Review Comment:
Good point. Pushed a change to capture the error message, and to actually
raise a more informative error message here about pyarrow not being built with
CUDA support (embedding the original import error message), instead of using
the message from the C++ registry.
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