path.py 文件源码

def getReadable(self):
        """
        returns whether the current instance's file is readable or not.  if the file
        doesn't exist False is returned
        """
        try:
            s = os.stat(self)
            return s.st_mode & stat.S_IREAD
        except:
            # i think this only happens if the file doesn't exist
            return False