lib2to3_ex.py 文件源码

def run_2to3(self, files, doctests = False):
        # See of the distribution option has been set, otherwise check the
        # setuptools default.
        if self.distribution.use_2to3 is not True:
            return
        if not files:
            return
        log.info("Fixing "+" ".join(files))
        self.__build_fixer_names()
        self.__exclude_fixers()
        if doctests:
            if setuptools.run_2to3_on_doctests:
                r = DistutilsRefactoringTool(self.fixer_names)
                r.refactor(files, write=True, doctests_only=True)
        else:
            _Mixin2to3.run_2to3(self, files)