trying to fix ci build-hooks failures

Author: rparolin

cuda_bindings/docs/source/install.rst

@@ -93,10 +93,6 @@ Source builds require that the provided CUDA headers are of the same major.minor
 
    $ export CUDA_PATH=/usr/local/cuda
 
-.. note::
-
-   The CUDA Toolkit path is determined once at the start of the build process and cached. If you need to change the path during development, restart your build environment.
-
 See `Environment Variables <environment_variables.rst>`_ for a description of other build-time environment variables.
 
 .. note::

cuda_bindings/pixi.lock

@@ -95,7 +95,7 @@ setuptools = ">=80"
 setuptools-scm = ">=8"
 cython = ">=3.2,<3.3"
 pyclibrary = ">=0.1.7"
-cuda-pathfinder = { path = "../cuda_pathfinder" }
+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 = { path = "../cuda_pathfinder" }
+cuda-pathfinder = "*"
 libnvjitlink = "*"
 cuda-nvrtc = "*"
 cuda-nvvm = "*"

cuda_bindings/pixi.toml

@@ -26,19 +26,7 @@
 
 @functools.cache
 def _get_cuda_paths() -> list[str]:
-    """Get list of CUDA Toolkit paths from environment variables.
-
-    Supports multiple paths separated by os.pathsep (: on Unix, ; on Windows).
-    Returns a list of paths for use in include_dirs and library_dirs.
-    """
-    try:
-        from cuda.pathfinder._utils.env_vars import get_cuda_home_or_path
-
-        CUDA_PATH = get_cuda_home_or_path()
-    except ImportError:
-        # Fallback for build environments where cuda-pathfinder may not be available
-        CUDA_PATH = os.environ.get("CUDA_PATH", os.environ.get("CUDA_HOME", None))
-
+    CUDA_PATH = os.environ.get("CUDA_PATH", os.environ.get("CUDA_HOME", None))
     if not CUDA_PATH:
         raise RuntimeError("Environment variable CUDA_PATH or CUDA_HOME is not set")
     CUDA_PATH = CUDA_PATH.split(os.pathsep)

cuda_core/build_hooks.py

@@ -27,9 +27,7 @@
     sys.exit(0)
 
 # prepare include
-from cuda.pathfinder._utils.env_vars import get_cuda_home_or_path
-
-cuda_path = get_cuda_home_or_path()
+cuda_path = os.environ.get("CUDA_PATH", os.environ.get("CUDA_HOME"))
 if cuda_path is None:
     print("this demo requires a valid CUDA_PATH environment variable set", file=sys.stderr)
     sys.exit(0)

cuda_core/examples/thread_block_cluster.py

@@ -101,7 +101,7 @@ setuptools-scm = ">=8"
 cython = ">=3.2,<3.3"
 cuda-cudart-dev = "*"
 cuda-profiler-api = "*"
-cuda-pathfinder = { path = "../cuda_pathfinder" }
+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

@@ -17,12 +17,6 @@
     call determines the CUDA Toolkit path, and all subsequent calls return the cached
     value, even if environment variables change later. This ensures consistent behavior
     throughout the application lifecycle.
-
-.. versionadded:: 1.4.0
-   Added centralized environment variable handling.
-
-.. versionchanged:: 1.4.0
-   **Breaking Change**: Priority changed from CUDA_HOME > CUDA_PATH to CUDA_PATH > CUDA_HOME.
 """
 
 import functools