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This patch ensures that Python2 can be used if cairocffi is used. Version 1.0 dropped Python 2 support.
47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
commit 0435bc2577d4b18f54b78b2f5185abb2b2005982
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Author: Alexander V. Nikolaev <avn@avnik.info>
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Date: Sat Feb 6 08:09:06 2016 +0200
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Patch dlopen() to allow direct paths to all required libs
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This patch is NixOS specific
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diff --git a/cairocffi/__init__.py b/cairocffi/__init__.py
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index 6061973..3538a58 100644
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--- a/cairocffi/__init__.py
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+++ b/cairocffi/__init__.py
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@@ -21,19 +21,22 @@ VERSION = __version__ = (Path(__file__).parent / 'VERSION').read_text().strip()
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version = '1.16.0'
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version_info = (1, 16, 0)
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+# Use hardcoded soname, because ctypes.util use gcc/objdump which shouldn't be required for runtime
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+_LIBS = {
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+ 'cairo': '@cairo@/lib/libcairo@ext@',
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+ 'glib-2.0': '@glib@/lib/libglib-2.0@ext@',
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+ 'gobject-2.0': '@glib@/lib/libgobject-2.0@ext@',
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+ 'gdk_pixbuf-2.0': '@gdk_pixbuf@/lib/libgdk_pixbuf-2.0@ext@',
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+}
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-def dlopen(ffi, *names):
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+def dlopen(ffi, name, *names):
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"""Try various names for the same library, for different platforms."""
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- for name in names:
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- for lib_name in (name, 'lib' + name):
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- try:
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- path = ctypes.util.find_library(lib_name)
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- lib = ffi.dlopen(path or lib_name)
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- if lib:
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- return lib
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- except OSError:
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- pass
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- raise OSError("dlopen() failed to load a library: %s" % ' / '.join(names))
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+ path = _LIBS.get(name, None)
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+ if path:
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+ lib = ffi.dlopen(path)
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+ if lib:
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+ return lib
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+ raise OSError("dlopen() failed to load a library: %s as %s" % (name, path))
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cairo = dlopen(ffi, 'cairo', 'cairo-2', 'cairo-gobject-2', 'cairo.so.2')
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