substages_parser.py 文件源码

def __init__(self, *args, **kwargs):
        yaml.Loader.__init__(self, *args, **kwargs)
        toplevel = True
        m = u'tag:yaml.org,2002:map'
        self.prev_constructor = self.yaml_constructors[m]
        self.add_constructor(m, type(self).construct_yaml_map)