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Declare uv conflicts for mutually exclusive CUDA version extras/groups #1802

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Merged
rparolin merged 1 commit into from
Mar 24, 2026
Merged

Declare uv conflicts for mutually exclusive CUDA version extras/groups #1802

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14 changes: 14 additions & 0 deletions cuda_core/pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,20 @@ test-cu13 = [ {include-group = "ml-dtypes" }, {include-group = "test" }, "cupy-c
test-cu12-ft = [ {include-group = "ml-dtypes" }, {include-group = "test" }, "cuda-toolkit[cudart]==12.*"]
test-cu13-ft = [ {include-group = "ml-dtypes" }, {include-group = "test" }, "cuda-toolkit[cudart]==13.*"]

[tool.uv]
conflicts = [
[
{ extra = "cu12" },
{ extra = "cu13" },
],
[
{ group = "test-cu12" },
{ group = "test-cu13" },
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Copilot AI Mar 20, 2026

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The conflicts list groups test-cu12, test-cu13, test-cu12-ft, and test-cu13-ft into a single mutually-exclusive set. This would prevent installing both test-cu12 and test-cu12-ft together (same CUDA major), even though they appear to be complementary (CupPy vs free-threaded variant). Consider splitting this into two conflict entries (test-cu12 vs test-cu13, and test-cu12-ft vs test-cu13-ft) so only cross-CUDA combinations are disallowed.

Suggested change
{ group = "test-cu13" },
{ group = "test-cu13" },
],
[

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{ group = "test-cu12-ft" },
{ group = "test-cu13-ft" },
],
]

[project.urls]
homepage = "https://nvidia.github.io/cuda-python/"
documentation = "https://nvidia.github.io/cuda-python/cuda-core/"
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12 changes: 12 additions & 0 deletions cuda_pathfinder/pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,18 @@ test-cu13 = [
{ include-group = "host" },
]

[tool.uv]
conflicts = [
[
{ group = "cu12" },
{ group = "cu13" },
],
[
{ group = "test-cu12" },
{ group = "test-cu13" },
],
]

[project.urls]
Repository = "https://github.com/NVIDIA/cuda-python"
Documentation = "https://nvidia.github.io/cuda-python/"
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