Use setuptools-scm to determine versions

.github/ISSUE_TEMPLATE/release_checklist.yml

@@ -20,7 +20,6 @@ body:
         - label: File an internal nvbug to communicate test plan & release schedule with QA
         - label: Ensure all pending PRs are reviewed, tested, and merged
         - label: Check (or update if needed) the dependency requirements
-        - label: Bump the version
         - label: Create a public rc tag
         - label: "Point QA to fetch public artifacts (wheels) from the GHA run ID, example: `gh run download 12323257563 -p \"cuda-core*\" -R NVIDIA/cuda-python`"
         - label: Wait for QA reports and fix any issues found

.github/workflows/test-wheel-linux.yml

@@ -278,7 +278,9 @@ jobs:
         run: |
           set -euo pipefail
           pushd cuda_pathfinder
-          pip install --only-binary=:all: -v . --group "test-cu${TEST_CUDA_MAJOR}"
+          # Install pathfinder from the pre-built wheel, since building from
+          # source won't work in this context (we don't have a git checkout).
+          pip install --only-binary=:all: -v ./*.whl --group "test-cu${TEST_CUDA_MAJOR}"
           pip list
           popd
 

.gitignore

@@ -49,6 +49,9 @@ cuda_bindings/cuda/bindings/nvrtc.pxd
 cuda_bindings/cuda/bindings/nvrtc.pyx
 cuda_bindings/cuda/bindings/utils/_get_handle.pyx
 
+# Version files from setuptools_scm
+_version.py
+
 # Distribution / packaging
 .Python
 build/

cuda_bindings/pyproject.toml

@@ -1,7 +1,12 @@
 # SPDX-FileCopyrightText: Copyright (c) 2023-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 [build-system]
-requires = ["setuptools>=77.0.0", "cython>=3.2,<3.3", "pyclibrary>=0.1.7"]
+requires = [
+    "setuptools>=80.0.0",
+    "setuptools_scm[simple]>=8",
+    "cython>=3.2,<3.3",
+    "pyclibrary>=0.1.7",
+]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -51,7 +56,6 @@ Documentation = "https://nvidia.github.io/cuda-python/"
 include = ["cuda*"]
 
 [tool.setuptools.dynamic]
-version = { attr = "cuda.bindings._version.__version__" }
 readme = { file = ["DESCRIPTION.rst"], content-type = "text/x-rst" }
 
 [tool.cibuildwheel]
@@ -72,3 +76,10 @@ required_plugins = "pytest-benchmark"
 addopts = "--benchmark-disable --showlocals"
 norecursedirs = ["tests/cython", "examples"]
 xfail_strict = true
+
+[tool.setuptools_scm]
+root = ".."
+version_file = "cuda/bindings/_version.py"
+# We deliberately do not want to include the version suffixes (a/b/rc) in cuda-bindings versioning
+tag_regex = "^(?P<version>v\\d+\\.\\d+\\.\\d+)"
+git_describe_command = ["git", "describe", "--dirty", "--tags", "--long", "--match", "v*[0-9]*"]

cuda_core/pyproject.toml

@@ -3,7 +3,11 @@
 # SPDX-License-Identifier: Apache-2.0
 
 [build-system]
-requires = ["setuptools>=77.0.0", "Cython>=3.2,<3.3"]
+requires = [
+    "setuptools>=80",
+    "setuptools-scm[simple]>=8",
+    "Cython>=3.2,<3.3"
+]
 build-backend = "build_hooks"
 backend-path = ["."]
 
@@ -72,9 +76,15 @@ include = ["cuda.core*"]
 "cuda.core._include" = ["*.h", "*.hpp", "*.cuh"]
 
 [tool.setuptools.dynamic]
-version = { attr = "cuda.core._version.__version__" }
 readme = { file = ["DESCRIPTION.rst"], content-type = "text/x-rst" }
 
+[tool.setuptools_scm]
+root = ".."
+version_file = "cuda/core/_version.py"
+# We deliberately do not want to include the version suffixes (a/b/rc) in cuda-core versioning
+tag_regex = "^cuda-core-(?P<version>v\\d+\\.\\d+\\.\\d+)"
+git_describe_command = ["git", "describe", "--dirty", "--tags", "--long", "--match", "cuda-core-v*[0-9]*"]
+
 [tool.cibuildwheel]
 skip = "*-musllinux_*"
 enable = "cpython-freethreading"

cuda_pathfinder/cuda/pathfinder/__init__.py

@@ -3,6 +3,8 @@
 
 """cuda.pathfinder public APIs"""
 
+from cuda.pathfinder._version import __version__  # noqa: F401
+
 from cuda.pathfinder._dynamic_libs.load_dl_common import DynamicLibNotFoundError as DynamicLibNotFoundError
 from cuda.pathfinder._dynamic_libs.load_dl_common import LoadedDL as LoadedDL
 from cuda.pathfinder._dynamic_libs.load_nvidia_dynamic_lib import load_nvidia_dynamic_lib as load_nvidia_dynamic_lib
@@ -11,7 +13,6 @@
 )
 from cuda.pathfinder._headers.find_nvidia_headers import find_nvidia_header_directory as find_nvidia_header_directory
 from cuda.pathfinder._headers.supported_nvidia_headers import SUPPORTED_HEADERS_CTK as _SUPPORTED_HEADERS_CTK
-from cuda.pathfinder._version import __version__ as __version__
 
 # Indirections to help Sphinx find the docstrings.
 #: Mapping from short CUDA Toolkit (CTK) library names to their canonical

cuda_pathfinder/pyproject.toml

@@ -62,13 +62,23 @@ Documentation = "https://nvidia.github.io/cuda-python/"
 packages = { find = { include = ["cuda*"] } }
 
 [tool.setuptools.dynamic]
-version = { attr = "cuda.pathfinder._version.__version__" }
 readme = { file = ["DESCRIPTION.rst"], content-type = "text/x-rst" }
 
 [build-system]
-requires = ["setuptools>=64", "wheel"]
+requires = [
+    "setuptools>=80.0.0",
+    "setuptools_scm[simple]>=8",
+    "wheel"
+]
 build-backend = "setuptools.build_meta"
 
+[tool.setuptools_scm]
+root = ".."
+version_file = "cuda/pathfinder/_version.py"
+# We deliberately do not want to include the version suffixes (a/b/rc) in cuda-pathfinder versioning
+tag_regex = "^cuda-pathfinder-(?P<version>v\\d+\\.\\d+\\.\\d+)"
+git_describe_command = [ "git", "describe", "--dirty", "--tags", "--long", "--match", "cuda-pathfinder-v*[0-9]*" ]
+
 [tool.pytest.ini_options]
 addopts = "--showlocals"
 

cuda_python/pyproject.toml

@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
 [build-system]
-requires = ["setuptools>=77.0.0",]
+requires = ["setuptools>=80.0.0", "setuptools-scm[simple]>=8"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -40,3 +40,7 @@ homepage = "https://nvidia.github.io/cuda-python/"
 documentation = "https://nvidia.github.io/cuda-python/"
 repository = "https://github.com/NVIDIA/cuda-python/"
 issues = "https://github.com/NVIDIA/cuda-python/issues/"
+
+# The [tool.setuptools_scm] section is handled in setup.py since we need to
+# dynamically set the dependency to cuda_bindings based on the dynamically
+# determinded version

cuda_python/setup.py

@@ -4,23 +4,37 @@
 
 import ast
 
+from packaging.version import Version
 from setuptools import setup
+from setuptools_scm import get_version
+
+version = get_version(
+    root="..",
+    relative_to=__file__,
+    # We deliberately do not want to include the version suffixes (a/b/rc) in cuda-python versioning
+    tag_regex="^(?P<version>v\\d+\\.\\d+\\.\\d+)",
+    git_describe_command=["git", "describe", "--dirty", "--tags", "--long", "--match", "v*[0-9]*"],
+)
+
+
+base_version = Version(version).base_version
+
+
+if base_version == version:
+    # Tagged release
+    matcher = "~="
+else:
+    # Pre-release version
+    matcher = "=="
 
-# We want to keep the version in sync with cuda.bindings, but setuptools would not let
-# us to refer to any files outside of the project root, so we have to employ our own
-# run-time lookup using setup()...
-with open("../cuda_bindings/cuda/bindings/_version.py") as f:
-    for line in f:
-        if line.startswith("__version__"):
-            version = ast.parse(line).body[0].value.value
 
 setup(
     version=version,
     install_requires=[
-        f"cuda-bindings~={version}",
+        f"cuda-bindings{matcher}{version}",
         "cuda-pathfinder~=1.1",
     ],
     extras_require={
-        "all": [f"cuda-bindings[all]~={version}"],
+        "all": [f"cuda-bindings[all]{matcher}{version}"],
     },
 )