config.py 文件源码

def load_from_sdb(self, domain_name, item_name):
        from boto.compat import json
        sdb = boto.connect_sdb()
        domain = sdb.lookup(domain_name)
        item = domain.get_item(item_name)
        for section in item.keys():
            if not self.has_section(section):
                self.add_section(section)
            d = json.loads(item[section])
            for attr_name in d.keys():
                attr_value = d[attr_name]
                if attr_value == None:
                    attr_value = 'None'
                if isinstance(attr_value, bool):
                    self.setbool(section, attr_name, attr_value)
                else:
                    self.set(section, attr_name, attr_value)