def path(self):
        """Return the full path of the current object."""
        names = []
        obj = self
        while obj:
            names.insert(0, obj.name)
            obj = obj.parent_dir
        sep = self.filesystem._path_separator(self.name)
        if names[0] == sep:
            names.pop(0)
            dir_path = sep.join(names)
            # Windows paths with drive have a root separator entry
            # which should be removed
            is_drive = names and len(names[0]) == 2 and names[0][1] == ':'
            if not is_drive:
                dir_path = sep + dir_path
        else:
            dir_path = sep.join(names)
        dir_path = self.filesystem.absnormpath(dir_path)
        return dir_path
Return the full path of the current object.