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commit 0435bc2577d4b18f54b78b2f5185abb2b2005982
Author: Alexander V. Nikolaev <avn@avnik.info>
Date: Sat Feb 6 08:09:06 2016 +0200
Patch dlopen() to allow direct paths to all required libs
This patch is NixOS specific
diff --git a/cairocffi/__init__.py b/cairocffi/__init__.py
index 6061973..3538a58 100644
--- a/cairocffi/__init__.py
+++ b/cairocffi/__init__.py
@@ -21,19 +21,22 @@ VERSION = __version__ = (Path(__file__).parent / 'VERSION').read_text().strip()
version = '1.16.0'
version_info = (1, 16, 0)
+# Use hardcoded soname, because ctypes.util use gcc/objdump which shouldn't be required for runtime
+_LIBS = {
+ 'cairo': '@cairo@/lib/libcairo@ext@',
+ 'glib-2.0': '@glib@/lib/libglib-2.0@ext@',
+ 'gobject-2.0': '@glib@/lib/libgobject-2.0@ext@',
+ 'gdk_pixbuf-2.0': '@gdk_pixbuf@/lib/libgdk_pixbuf-2.0@ext@',
+}
-def dlopen(ffi, *names):
+def dlopen(ffi, name, *names):
"""Try various names for the same library, for different platforms."""
- for name in names:
- for lib_name in (name, 'lib' + name):
- try:
- path = ctypes.util.find_library(lib_name)
- lib = ffi.dlopen(path or lib_name)
- if lib:
- return lib
- except OSError:
- pass
- raise OSError("dlopen() failed to load a library: %s" % ' / '.join(names))
+ path = _LIBS.get(name, None)
+ if path:
+ lib = ffi.dlopen(path)
+ if lib:
+ return lib
+ raise OSError("dlopen() failed to load a library: %s as %s" % (name, path))
cairo = dlopen(ffi, 'cairo', 'cairo-2', 'cairo-gobject-2', 'cairo.so.2')
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