replay.py 文件源码

def _merge_envs(self, merge_envs, re_env):
        new_env = {}
        for e in merge_envs:
            if e == 'replay':
                new_env.update(re_env)
            elif e == 'native':
                new_env.update(builtins.__xonsh_env__)
            elif isinstance(e, Mapping):
                new_env.update(e)
            else:
                raise TypeError('Type of env not understood: {0!r}'.format(e))
        new_env = Env(**new_env)
        return new_env