51 lines
1.1 KiB
Python
51 lines
1.1 KiB
Python
from ctypes.util import find_library
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import ctypes
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import sys
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import glob
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import os.path
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def _lib_candidates():
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yield find_library('magic')
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if sys.platform == 'darwin':
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paths = [
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'/opt/local/lib',
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'/usr/local/lib',
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'/opt/homebrew/lib',
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] + glob.glob('/usr/local/Cellar/libmagic/*/lib')
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for i in paths:
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yield os.path.join(i, 'libmagic.dylib')
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elif sys.platform in ('win32', 'cygwin'):
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prefixes = ['libmagic', 'magic1', 'cygmagic-1', 'libmagic-1', 'msys-magic-1']
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for i in prefixes:
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# find_library searches in %PATH% but not the current directory,
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# so look for both
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yield './%s.dll' % (i,)
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yield find_library(i)
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elif sys.platform == 'linux':
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# This is necessary because alpine is bad
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yield 'libmagic.so.1'
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def load_lib():
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for lib in _lib_candidates():
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# find_library returns None when lib not found
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if lib is None:
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continue
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try:
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return ctypes.CDLL(lib)
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except OSError:
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pass
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else:
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# It is better to raise an ImportError since we are importing magic module
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raise ImportError('failed to find libmagic. Check your installation')
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