refactor: The first refactored version for sdk release (#907)

Co-authored-by: chengfangyin2 <chengfangyin3@jd.com>

dbgpt/util/serialization/json_serialization.py

@@ -0,0 +1,44 @@
+from abc import ABC, abstractmethod
+from typing import Dict, Type
+import json
+
+from dbgpt.core.interface.serialization import Serializable, Serializer
+
+JSON_ENCODING = "utf-8"
+
+
+class JsonSerializable(Serializable, ABC):
+    @abstractmethod
+    def to_dict(self) -> Dict:
+        """Return the dict of current serializable object"""
+
+    def serialize(self) -> bytes:
+        """Convert the object into bytes for storage or transmission."""
+        return json.dumps(self.to_dict(), ensure_ascii=False).encode(JSON_ENCODING)
+
+
+class JsonSerializer(Serializer):
+    """The serializer abstract class for serializing cache keys and values."""
+
+    def serialize(self, obj: Serializable) -> bytes:
+        """Serialize a cache object.
+
+        Args:
+            obj (Serializable): The object to serialize
+        """
+        return json.dumps(obj.to_dict(), ensure_ascii=False).encode(JSON_ENCODING)
+
+    def deserialize(self, data: bytes, cls: Type[Serializable]) -> Serializable:
+        """Deserialize data back into a cache object of the specified type.
+
+        Args:
+            data (bytes): The byte array to deserialize
+            cls (Type[Serializable]): The type of current object
+
+        Returns:
+            Serializable: The serializable object
+        """
+        # Convert bytes back to JSON and then to the specified class
+        json_data = json.loads(data.decode(JSON_ENCODING))
+        # Assume that the cls has an __init__ that accepts a dictionary
+        return cls(**json_data)