utils.py 文件源码

def write_content(self, content=None):
        if content:
            self.content = content
        self.__documents[self.__document_id] = self.content

        def representer(dumper, data):
            """Represents a dict key started with '!' as a YAML tag

            Assumes that there is only one !tag in the dict at the
            current indent.

            Python object:
            {"!unknown_tag": ["some content", ]}

            Resulting yaml:
            !unknown_tag
            - some content
            """
            key = data.keys()[0]
            if key.startswith("!"):
                value = data[key]
                if type(value) is dict:
                    node = dumper.represent_mapping(key, value)
                elif type(value) is list:
                    node = dumper.represent_sequence(key, value)
                else:
                    node = dumper.represent_scalar(key, value)
            else:
                node = dumper.represent_mapping(u'tag:yaml.org,2002:map', data)
            return node

        yaml.add_representer(dict, representer)
        with self.__get_file("w") as file_obj:
            yaml.dump_all(self.__documents, file_obj,
                          default_flow_style=self.default_flow_style,
                          default_style=self.default_style)