hosts.py 文件源码

def _get_path_map(self):
        res = {}
        # if user-specified path_map, it overrides CONFIG
        path_map = self.config.get('path_map', [])
        #
        if not path_map:
            return res
        if isinstance(path_map, str):
            path_map = [path_map]
        if isinstance(path_map, Sequence):
            for v in path_map:
                if ' -> ' not in v:
                    raise ValueError(f'Path map should be separated as from -> to, {v} specified')
                elif v.count(' -> ') > 1:
                    raise ValueError(f'Path map should be separated as from -> to, {v} specified')
                res[v.split(' -> ')[0]] = v.split(' -> ')[1]
        elif isinstance(path_map, dict):
            for k,v in path_map.items():
                res[k] = v
        else:
            raise ValueError(f'Unacceptable path_mapue for configuration path_map: {path_map}')
        return res