core.py 文件源码

def patch_setuptools(fetch_directives=('index_url', 'find_links')):

    orig = easy_install.finalize_options

    def patched_finalize_options(self):
        cmd = PipInstallCommand()
        config = cmd.parser.parse_args([])[0]
        for option in fetch_directives:
            try:
                value = getattr(config, option)
            except AttributeError:
                continue
            setattr(self, option, value)
        orig(self)

    easy_install.finalize_options = patched_finalize_options