lib2to3_ex.py 文件源码

def __build_fixer_names(self):
        if self.fixer_names:
            return
        self.fixer_names = []
        for p in setuptools.lib2to3_fixer_packages:
            self.fixer_names.extend(get_fixers_from_package(p))
        if self.distribution.use_2to3_fixers is not None:
            for p in self.distribution.use_2to3_fixers:
                self.fixer_names.extend(get_fixers_from_package(p))