ci fixes

Author: rparolin

cuda_bindings/pixi.toml

@@ -95,7 +95,7 @@ setuptools = ">=80"
 setuptools-scm = ">=8"
 cython = ">=3.2,<3.3"
 pyclibrary = ">=0.1.7"
-cuda-pathfinder = ">=1.1,<2"
+cuda-pathfinder = { path = "../cuda_pathfinder" }
 cuda-cudart-static = "*"
 cuda-nvrtc-dev = "*"
 cuda-profiler-api = "*"
@@ -115,7 +115,7 @@ cuda-crt-dev_win-64 = "*"
 
 [package.run-dependencies]
 python = "*"
-cuda-pathfinder = ">=1.1,<2"
+cuda-pathfinder = { path = "../cuda_pathfinder" }
 libnvjitlink = "*"
 cuda-nvrtc = "*"
 cuda-nvvm = "*"

cuda_bindings/pyproject.toml

@@ -6,6 +6,7 @@ requires = [
     "setuptools_scm[simple]>=8",
     "cython>=3.2,<3.3",
     "pyclibrary>=0.1.7",
+    "cuda-pathfinder",
 ]
 build-backend = "setuptools.build_meta"
 

cuda_bindings/setup.py

@@ -23,15 +23,7 @@
 from setuptools.command.editable_wheel import _TopLevelFinder, editable_wheel
 from setuptools.extension import Extension
 
-# Note: cuda_bindings requires cuda.pathfinder to be installed to ensure consistent
-# environment variable handling across all CUDA Python packages.
-try:
-    from cuda.pathfinder._utils.env_vars import get_cuda_home_or_path
-except ImportError as e:
-    raise RuntimeError(
-        "cuda.pathfinder package is required to build cuda_bindings. "
-        "Please install it first: pip install cuda-pathfinder"
-    ) from e
+from cuda.pathfinder._utils.env_vars import get_cuda_home_or_path
 
 # ----------------------------------------------------------------------
 # Fetch configuration options

cuda_core/build_hooks.py

@@ -16,20 +16,6 @@
 from setuptools import Extension
 from setuptools import build_meta as _build_meta
 
-# Import centralized CUDA environment variable handling
-# Note: This import may fail at build-dependency-resolution time if cuda-pathfinder
-# is not yet installed, but it's guaranteed to be available when _get_cuda_path()
-# is actually called (during wheel build time).
-try:
-    from cuda.pathfinder._utils.env_vars import get_cuda_home_or_path
-except ImportError as e:
-    raise ImportError(
-        "Failed to import cuda.pathfinder. "
-        "Please ensure cuda-pathfinder is installed as a build dependency. "
-        "If building cuda-core, cuda-pathfinder should be automatically installed. "
-        "If this error persists, try: pip install cuda-pathfinder"
-    ) from e
-
 prepare_metadata_for_build_editable = _build_meta.prepare_metadata_for_build_editable
 prepare_metadata_for_build_wheel = _build_meta.prepare_metadata_for_build_wheel
 build_sdist = _build_meta.build_sdist
@@ -45,6 +31,8 @@ def _get_cuda_paths() -> list[str]:
     Supports multiple paths separated by os.pathsep (: on Unix, ; on Windows).
     Returns a list of paths for use in include_dirs and library_dirs.
     """
+    from cuda.pathfinder._utils.env_vars import get_cuda_home_or_path
+    
     CUDA_PATH = get_cuda_home_or_path()
     if not CUDA_PATH:
         raise RuntimeError("Environment variable CUDA_PATH or CUDA_HOME is not set")

cuda_core/pixi.lock

@@ -101,6 +101,7 @@ setuptools-scm = ">=8"
 cython = ">=3.2,<3.3"
 cuda-cudart-dev = "*"
 cuda-profiler-api = "*"
+cuda-pathfinder = { path = "../cuda_pathfinder" }
 # this doesn't work because Cython cannot find editable-installed build-time
 # dependencies https://github.com/cython/cython/issues/7326
 # cuda-bindings = { path = "../cuda_bindings" }

cuda_core/pixi.toml

@@ -6,7 +6,8 @@
 requires = [
     "setuptools>=80",
     "setuptools-scm[simple]>=8",
-    "Cython>=3.2,<3.3"
+    "Cython>=3.2,<3.3",
+    "cuda-pathfinder"
 ]
 build-backend = "build_hooks"
 backend-path = ["."]