rotate.py 文件源码

def finalize_options(self):
        if self.match is None:
            raise DistutilsOptionError(
                "Must specify one or more (comma-separated) match patterns "
                "(e.g. '.zip' or '.egg')"
            )
        if self.keep is None:
            raise DistutilsOptionError("Must specify number of files to keep")
        try:
            self.keep = int(self.keep)
        except ValueError:
            raise DistutilsOptionError("--keep must be an integer")
        if isinstance(self.match, six.string_types):
            self.match = [
                convert_path(p.strip()) for p in self.match.split(',')
            ]
        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))