Fix pathfinder imports and handle access (NVIDIA#814)

* Remove pathfinder redirect, update usage

* fix handle attribute

Author: kkraus14

cuda_bindings/cuda/bindings/_bindings/cynvrtc.pyx.in

@@ -9,7 +9,7 @@ import win32api
 cimport cuda.bindings._lib.dlfcn as dlfcn
 from libc.stdint cimport uintptr_t
 {{endif}}
-from cuda.bindings import path_finder
+from cuda.pathfinder import load_nvidia_dynamic_lib
 from libc.stdint cimport intptr_t
 
 cdef bint __cuPythonInit = False
@@ -47,10 +47,10 @@ cdef int cuPythonInit() except -1 nogil:
     # Load library
     {{if 'Windows' == platform.system()}}
     with gil:
-        handle = path_finder._load_nvidia_dynamic_library("nvrtc").handle
+        handle = load_nvidia_dynamic_lib("nvrtc")._handle_uint
     {{else}}
     with gil:
-        handle = <void*><uintptr_t>path_finder._load_nvidia_dynamic_library("nvrtc").handle
+        handle = <void*><uintptr_t>load_nvidia_dynamic_lib("nvrtc")._handle_uint
     {{endif}}
 
 

cuda_bindings/cuda/bindings/_internal/cufile_linux.pyx

@@ -8,7 +8,7 @@ from libc.stdint cimport intptr_t, uintptr_t
 
 from .utils import FunctionNotFoundError, NotSupportedError
 
-from cuda.bindings import path_finder
+from cuda.pathfinder import load_nvidia_dynamic_lib
 
 import cython
 
@@ -71,7 +71,7 @@ cdef void* __cuFileSetParameterString = NULL
 
 
 cdef void* load_library(const int driver_ver) except* with gil:
-    cdef uintptr_t handle = path_finder._load_nvidia_dynamic_library("cufile").handle
+    cdef uintptr_t handle = load_nvidia_dynamic_lib("cufile")._handle_uint
     return <void*>handle
 
 

cuda_bindings/cuda/bindings/_internal/nvjitlink_linux.pyx

@@ -8,7 +8,7 @@ from libc.stdint cimport intptr_t, uintptr_t
 
 from .utils import FunctionNotFoundError, NotSupportedError
 
-from cuda.bindings import path_finder
+from cuda.pathfinder import load_nvidia_dynamic_lib
 
 ###############################################################################
 # Extern
@@ -53,7 +53,7 @@ cdef void* __nvJitLinkVersion = NULL
 
 
 cdef void* load_library(int driver_ver) except* with gil:
-    cdef uintptr_t handle = path_finder._load_nvidia_dynamic_library("nvJitLink").handle
+    cdef uintptr_t handle = load_nvidia_dynamic_lib("nvJitLink")._handle_uint
     return <void*>handle
 
 

cuda_bindings/cuda/bindings/_internal/nvjitlink_windows.pyx

@@ -8,7 +8,7 @@ from libc.stdint cimport intptr_t
 
 from .utils import FunctionNotFoundError, NotSupportedError
 
-from cuda.bindings import path_finder
+from cuda.pathfinder import load_nvidia_dynamic_lib
 
 import win32api
 
@@ -61,7 +61,7 @@ cdef int _check_or_init_nvjitlink() except -1 nogil:
             raise RuntimeError('something went wrong')
 
         # Load library
-        handle = path_finder._load_nvidia_dynamic_library("nvJitLink").handle
+        handle = load_nvidia_dynamic_lib("nvJitLink")._handle_uint
 
         # Load function
         global __nvJitLinkCreate

cuda_bindings/cuda/bindings/_internal/nvvm_linux.pyx

@@ -8,7 +8,7 @@ from libc.stdint cimport intptr_t, uintptr_t
 
 from .utils import FunctionNotFoundError, NotSupportedError
 
-from cuda.bindings import path_finder
+from cuda.pathfinder import load_nvidia_dynamic_lib
 
 ###############################################################################
 # Extern
@@ -52,7 +52,7 @@ cdef void* __nvvmGetProgramLog = NULL
 
 
 cdef void* load_library(const int driver_ver) except* with gil:
-    cdef uintptr_t handle = path_finder._load_nvidia_dynamic_library("nvvm").handle
+    cdef uintptr_t handle = load_nvidia_dynamic_lib("nvvm")._handle_uint
     return <void*>handle
 
 

cuda_bindings/cuda/bindings/_internal/nvvm_windows.pyx

@@ -8,7 +8,7 @@ from libc.stdint cimport intptr_t
 
 from .utils import FunctionNotFoundError, NotSupportedError
 
-from cuda.bindings import path_finder
+from cuda.pathfinder import load_nvidia_dynamic_lib
 
 import win32api
 
@@ -60,7 +60,7 @@ cdef int _check_or_init_nvvm() except -1 nogil:
             raise RuntimeError('something went wrong')
 
         # Load library
-        handle = path_finder._load_nvidia_dynamic_library("nvvm").handle
+        handle = load_nvidia_dynamic_lib("nvvm")._handle_uint
 
         # Load function
         global __nvvmGetErrorString