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from ctypes import CFUNCTYPE, POINTER, c_uint8, c_void_p, c_long, addressof, \ |
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byref, CDLL, cdll, c_char_p |
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from ctypes.util import find_library |
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def is_hidden(path): |
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if not isinstance(path, bytes): |
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path = path.encode('utf-8') |
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with AutoRelease() as autorelease: |
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url = autorelease(CFURLCreateFromFileSystemRepresentation( |
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None, path, len(path), False |
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)) |
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val = c_void_p(0) |
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err = CFError() |
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ret = CFURLCopyResourcePropertyForKey( |
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url, kCFURLIsHiddenKey, addressof(val), byref(err) |
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) |
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if ret: |
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autorelease(val) |
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return bool(CFBooleanGetValue(val)) |
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else: |
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raise OSError( |
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'CFURLCopyResourcePropertyForKey failed with error %d' % |
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CFErrorGetCode(err) |
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) |
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class AutoRelease: |
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def __init__(self): |
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self.to_release = [] |
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self.pool = None |
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def __enter__(self): |
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self.pool = \ |
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objc.objc_msgSend(NSAutoreleasePool, objc.sel_registerName('alloc')) |
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self.pool = objc.objc_msgSend(self.pool, objc.sel_registerName('init')) |
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return self |
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def __call__(self, obj_to_release): |
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self.to_release.append(obj_to_release) |
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return obj_to_release |
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def __exit__(self, *_): |
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for obj in self.to_release: |
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CFRelease(obj) |
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objc.objc_msgSend(self.pool, objc.sel_registerName('drain')) |
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CoreFoundation = CDLL(find_library('CoreFoundation')) |
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Foundation = CDLL(find_library('Foundation')) |
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objc = cdll.LoadLibrary(find_library('objc')) |
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Boolean = c_uint8 |
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CFTypeRef = c_void_p |
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CFIndex = c_long |
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CFString = CFTypeRef |
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CFURL = CFTypeRef |
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CFError = CFTypeRef |
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CFErrorRef = POINTER(CFError) |
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CFRelease = CFUNCTYPE(None, CFTypeRef)(('CFRelease', Foundation)) |
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NSAutoreleasePool = objc.objc_getClass('NSAutoreleasePool') |
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CFURLCreateFromFileSystemRepresentation = \ |
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CFUNCTYPE(CFURL, c_void_p, c_char_p, CFIndex, Boolean)\ |
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(('CFURLCreateFromFileSystemRepresentation', CoreFoundation)) |
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CFURLCopyResourcePropertyForKey = \ |
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CFUNCTYPE(Boolean, CFURL, CFString, c_void_p, CFErrorRef)\ |
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(('CFURLCopyResourcePropertyForKey', CoreFoundation)) |
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CFBooleanGetValue = \ |
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CFUNCTYPE(Boolean, c_void_p)\ |
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(('CFBooleanGetValue', CoreFoundation)) |
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CFErrorGetCode = \ |
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CFUNCTYPE(CFIndex, CFError)\ |
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(('CFErrorGetCode', CoreFoundation)) |
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kCFURLIsHiddenKey = CFString.in_dll(CoreFoundation, 'kCFURLIsHiddenKey') |
