def locate(self, filename, loader=None): assert isinstance(filename, (str, unicode)) if filename.startswith('@loader_path/') and loader is not None: fn = self.trans_table.get((loader.filename, filename)) if fn is None: try: fn = dyld_find(filename, env=self.env, executable_path=self.executable_path, loader=loader.filename) self.trans_table[(loader.filename, filename)] = fn except ValueError: return None else: fn = self.trans_table.get(filename) if fn is None: try: fn = dyld_find(filename, env=self.env, executable_path=self.executable_path) self.trans_table[filename] = fn except ValueError: return None return fn
def _getImports_macholib(pth): """ Find the binary dependencies of PTH. This implementation is for Mac OS X and uses library macholib. """ from PyInstaller.lib.macholib.MachO import MachO from PyInstaller.lib.macholib.dyld import dyld_find rslt = [] seen = set() # Libraries read from binary headers. # Walk through mach binary headers. m = MachO(pth) for header in m.headers: for idx, name, lib in header.walkRelocatables(): # Sometimes some libraries are present multiple times. if lib not in seen: seen.add(lib) # Try to find files in file system. exec_path = os.path.abspath('.') for lib in seen: if lib.startswith('@loader_path'): # macholib can't handle @loader_path. It has to be # handled the same way as @executable_path. # It is also replaced by 'exec_path'. lib = lib.replace('@loader_path', '@executable_path') try: lib = dyld_find(lib, executable_path=exec_path) rslt.append(lib) except ValueError: logger.error('Can not find path %s (needed by %s)', lib, pth) return rslt
def _getImports_macholib(pth): """ Find the binary dependencies of PTH. This implementation is for Mac OS X and uses library macholib. """ from PyInstaller.lib.macholib.MachO import MachO from PyInstaller.lib.macholib.mach_o import LC_RPATH from PyInstaller.lib.macholib.dyld import dyld_find rslt = set() seen = set() # Libraries read from binary headers. ## Walk through mach binary headers. m = MachO(pth) for header in m.headers: for idx, name, lib in header.walkRelocatables(): # Sometimes some libraries are present multiple times. if lib not in seen: seen.add(lib) # Walk through mach binary headers and look for LC_RPATH. # macholib can't handle @rpath. LC_RPATH has to be read # from the MachO header. # TODO Do we need to remove LC_RPATH from MachO load commands? # Will it cause any harm to leave them untouched? # Removing LC_RPATH should be implemented when getting # files from the bincache if it is necessary. run_paths = set() for header in m.headers: for command in header.commands: # A command is a tupple like: # (<macholib.mach_o.load_command object at 0x>, # <macholib.mach_o.rpath_command object at 0x>, # '../lib\x00\x00') cmd_type = command[0].cmd if cmd_type == LC_RPATH: rpath = command[2] # Remove trailing '\x00' characters. # e.g. '../lib\x00\x00' rpath = rpath.rstrip('\x00') # Make rpath absolute. According to Apple doc LC_RPATH # is always relative to the binary location. rpath = os.path.normpath(os.path.join(os.path.dirname(pth), rpath)) run_paths.update([rpath]) ## Try to find files in file system. # In cases with @loader_path or @executable_path # try to look in the same directory as the checked binary is. # This seems to work in most cases. exec_path = os.path.abspath(os.path.dirname(pth)) for lib in seen: # Suppose that @rpath is not used for system libraries and # using macholib can be avoided. # macholib can't handle @rpath. if lib.startswith('@rpath'): lib = lib.replace('@rpath', '.') # Make path relative. final_lib = None # Absolute path to existing lib on disk. # Try multiple locations. for run_path in run_paths: # @rpath may contain relative value. Use exec_path as # base path. if not os.path.isabs(run_path): run_path = os.path.join(exec_path, run_path) # Stop looking for lib when found in first location. if os.path.exists(os.path.join(run_path, lib)): final_lib = os.path.abspath(os.path.join(run_path, lib)) rslt.add(final_lib) break # Log error if no existing file found. if not final_lib: logger.error('Can not find path %s (needed by %s)', lib, pth) # Macholib has to be used to get absolute path to libraries. else: # macholib can't handle @loader_path. It has to be # handled the same way as @executable_path. # It is also replaced by 'exec_path'. if lib.startswith('@loader_path'): lib = lib.replace('@loader_path', '@executable_path') try: lib = dyld_find(lib, executable_path=exec_path) rslt.add(lib) except ValueError: logger.error('Can not find path %s (needed by %s)', lib, pth) return rslt