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WIP: pathfinder_with_compatibility_checks_v0#1936

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rwgk wants to merge 24 commits intoNVIDIA:mainfrom
rwgk:pathfinder_with_compatibility_checks_v0
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WIP: pathfinder_with_compatibility_checks_v0#1936
rwgk wants to merge 24 commits intoNVIDIA:mainfrom
rwgk:pathfinder_with_compatibility_checks_v0

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@rwgk rwgk commented Apr 17, 2026

xref: #1038

WIP — Please don't look yet. I just want to see the CI results.

rwgk added 2 commits April 16, 2026 17:06
Introduce a minimal WithCompatibilityChecks API with CTK version guard rails, including wheel metadata support and wrapper-first tests.

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Allow the real compatibility checks to pass when CTK artifacts come from a system install instead of site-packages, including cases where CUDA_PATH and CUDA_HOME are unset.

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@rwgk rwgk added this to the cuda.pathfinder next milestone Apr 17, 2026
@rwgk rwgk self-assigned this Apr 17, 2026
@rwgk rwgk added P1 Medium priority - Should do feature New feature or request cuda.pathfinder Everything related to the cuda.pathfinder module labels Apr 17, 2026
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rwgk commented Apr 17, 2026

/ok to test

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rwgk added 13 commits April 19, 2026 10:30
Use a more explicit module name for the compatibility-check API and keep imports aligned with the renamed implementation.

Made-with: Cursor
Break out CUDA driver version querying into a standalone internal utility so it can be reused independently from compatibility checks, and cover the ctypes loader paths with focused tests.

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Treat the Windows WinDLL path as the normal runtime case and keep the focused tests aligned with the stricter driver-loader invariants.

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Wrap the encoded cuDriverGetVersion() result in a DriverVersion dataclass so callers can use major and minor fields directly while retaining a low-level integer helper for loader-focused tests.

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Cover query_driver_version() alongside the driver library loading tests and reuse the existing strictness mode so host-specific failures still surface cleanly in all_must_work mode.

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Drop the non-Windows loader mock now that a real driver-version test covers the Linux success path, while keeping the Windows branch and failure-path unit coverage.

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Use DriverCudaVersion for clearer pairing with the planned release-version type while keeping the existing driver info API behavior unchanged.

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Query nvmlSystemGetDriverVersion() through pathfinder's driver library loading path and add a minimal real test so the implementation is preserved as a future reference.

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Step back from the exploratory NVML-based release-version query for now because it adds non-trivial complexity and a new dependency surface without a current pathfinder need, while keeping the reference implementation in history if we need it later.

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Document that DriverCudaVersion matches the CUDA Version shown by nvidia-smi rather than the graphics driver release, so the dataclass name reads clearly in context.

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Expose DriverCudaVersion, QueryDriverCudaVersionError, and query_driver_cuda_version publicly, and align the internal naming, caching, docs, and test coverage around the CUDA-specific driver version query.

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Protect the new top-level driver-info re-exports so internal-only test coverage does not miss a broken `cuda.pathfinder` plumbing layer.

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rwgk added 6 commits April 21, 2026 10:34
…ity_checks_v0.

Bring the shared CUDA driver version query helper, public exports, docs, and tests into the compatibility-check branch before wiring the wrapper to that API.

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Route `WithCompatibilityChecks` through `query_driver_cuda_version()` so the wrapper reuses the public driver-info helper and preserves a compatibility-layer error when the implicit driver query fails.

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Stop exposing the new driver info helper through cuda.pathfinder while keeping the internal implementation and internal test coverage in place.

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rwgk added 3 commits April 21, 2026 16:43
Align the compatibility-checks branch with the internal-only driver info helper by dropping the public re-exports and updating docs and tests to use the internal module directly.

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…ity_checks_v0

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# Conflicts:
#	cuda_pathfinder/docs/source/api.rst
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