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path: root/pkgs/development/python-modules/libusb1/ctypes.patch
blob: 5d0ad9d03d380235d3e751bbe40e6188257b8f63 (plain)
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diff --git a/usb1/_libusb1.py b/usb1/_libusb1.py
index 42b01e9..36f2d16 100644
--- a/usb1/_libusb1.py
+++ b/usb1/_libusb1.py
@@ -172,64 +172,13 @@ else:
     LIBUSB_CALL_FUNCTYPE = CFUNCTYPE
 
 def __getLibrary():
-    my_dir = os.path.dirname(__file__)
     system = platform.system()
-    # If this is a binary wheel, try to use an integrated libusb first.
-    # To use the libusb from the Python installation or the OS, install
-    # from sdist:
-    #   > pip install --no-binary :all: libusb1
     if system == 'Windows':
         dll_loader = ctypes.WinDLL
-        libusb_list = [
-            os.path.join(my_dir, 'libusb-1.0.dll'),
-            'libusb-1.0.dll',
-        ]
-        find_library = None
     else:
         dll_loader = CDLL
-        if system == 'Darwin':
-            libusb_list = [
-                os.path.join(my_dir, 'libusb-1.0.dylib'),
-                'libusb-1.0.dylib',
-                # macport standard path
-                '/opt/local/lib/libusb-1.0.dylib',
-                # fink standard path
-                '/sw/lib/libusb-1.0.dylib',
-                # homebrew standard path for symlink (Apple M1 Silicon)
-                '/opt/homebrew/opt/libusb/lib/libusb-1.0.dylib',
-            ]
-            find_library = None
-        else:
-            # .so.0 should be the optimal suffix
-            # .so is for BBB, especially if libusb-1.0.so was bundled in some
-            # uses of this module.
-            libusb_list = [
-                os.path.join(my_dir, 'libusb-1.0.so.0'),
-                os.path.join(my_dir, 'libusb-1.0.so'),
-                'libusb-1.0.so.0',
-                'libusb-1.0.so',
-            ]
-            find_library = (
-                # libusb.so.2 on FreeBSD: load('libusb.so') would work fine, but...
-                # libusb.so.2debian on Debian GNU/kFreeBSD: here it wouldn't work.
-                'usb'
-                if 'FreeBSD' in system else
-                'usb-1.0'
-            )
-    for filename in libusb_list:
-        try:
-            return dll_loader(filename, use_errno=True, use_last_error=True)
-        except OSError:
-            pass
-    if find_library is not None:
-        filename = ctypes.util.find_library(find_library)
-        if filename is not None:
-            return dll_loader(filename, use_errno=True, use_last_error=True)
-    raise OSError(
-        errno.ENOENT,
-        'cannot find a suitable libusb-1.0',
-        libusb_list,
-    )
+
+    return dll_loader("@libusb@", use_errno=True, use_last_error=True)
 
 __load_lock = Lock()
 __loaded = False