Пример #1
0
    def write(cls, node, type_name, path, compress=True):
        """
        """
        graph_io = NodeGraphIOVersionRegistry.current_version()()
        export_data = graph_io.export_node_type(node, type_name)        
        header = {"version":graph_io.VERSION}
        output = {"header":header,
                "data":export_data}              

        if compress:  
            f = gzip.open(path, "wb")
        else:
            f = open(path, "w")

        json.dump(output, f, indent=4)
        f.close()
Пример #2
0
    def read(cls, path):
        """
        """
        if path.endswith(".gz"):
            f = gzip.open(path, "rb")
        else:
            f = open(path, "r")

        read_data = json.load(f)
        header = read_data["header"]
        version = header["version"]
        data = read_data["data"]
        graph_data = data["graph"]
        
        graph_io_class = NodeGraphIOVersionRegistry.get(version)
        graph_io = graph_io_class()

        graph = graph_io.import_graph(graph_data)

        return graph
Пример #3
0
 def __init__(cls, name, bases, clsdict):
     """
     """
     super(_NodeGraphIOMeta, cls).__init__(name, bases, clsdict)        
     NodeGraphIOVersionRegistry.register(cls.VERSION, cls)