'Refactor a list of files and directories.'

def refactor(self, items, write=False, doctests_only=False):

    for dir_or_file in items:
        if os.path.isdir(dir_or_file):
            self.refactor_dir(dir_or_file, write, doctests_only)
        else:
            self.refactor_file(dir_or_file, write, doctests_only)
