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import os
import sys
import unittest
# Bob Ippolito:
#
# Ok.. the code to find the filename for __getattr__ should look
# something like:
#
# import os
# from macholib.dyld import dyld_find
#
# def find_lib(name):
# possible = ['lib'+name+'.dylib', name+'.dylib',
# name+'.framework/'+name]
# for dylib in possible:
# try:
# return os.path.realpath(dyld_find(dylib))
# except ValueError:
# pass
# raise ValueError, "%s not found" % (name,)
#
# It'll have output like this:
#
# >>> find_lib('pthread')
# '/usr/lib/libSystem.B.dylib'
# >>> find_lib('z')
# '/usr/lib/libz.1.dylib'
# >>> find_lib('IOKit')
# '/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit'
#
# -bob
from ctypes.macholib.dyld import dyld_find
try:
from _ctypes import _dyld_shared_cache_contains_path
except ImportError:
_dyld_shared_cache_contains_path = None
def find_lib(name):
possible = ['lib'+name+'.dylib', name+'.dylib', name+'.framework/'+name]
for dylib in possible:
try:
return os.path.realpath(dyld_find(dylib))
except ValueError:
pass
raise ValueError("%s not found" % (name,))
class MachOTest(unittest.TestCase):
@unittest.skipUnless(sys.platform == "darwin", 'OSX-specific test')
@unittest.skipUnless(_dyld_shared_cache_contains_path, 'macOS 11+ _ctypes support not present.')
def test_find(self):
# On Mac OS 11, system dylibs are only present in the shared cache,
# so symlinks like libpthread.dylib -> libSystem.B.dylib will not
# be resolved by dyld_find
self.assertIn(find_lib('pthread'),
('/usr/lib/libSystem.B.dylib', '/usr/lib/libpthread.dylib'))
result = find_lib('z')
# Issue #21093: dyld default search path includes $HOME/lib and
# /usr/local/lib before /usr/lib, which caused test failures if
# a local copy of libz exists in one of them. Now ignore the head
# of the path.
self.assertRegex(result, r".*/lib/libz.*\.dylib")
self.assertIn(find_lib('IOKit'),
('/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit',
'/System/Library/Frameworks/IOKit.framework/IOKit'))
if __name__ == "__main__":
unittest.main()