feat[serializers]: specify empty __slots__ for serializer classes

a little bit gain of memory usage for multiple instances
luizalabs · Nov 6, 2021 · 24ec9ab · 24ec9ab
1 parent cb07dbf
commit 24ec9ab
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/shared_memory_dict/serializers.py b/shared_memory_dict/serializers.py
@@ -25,6 +25,8 @@ def loads(self, data: bytes) -> dict:
 
 class JSONSerializer:
 
+    __slots__ = ()
+
     encoder = json.JSONEncoder
     decoder = json.JSONDecoder
 
@@ -43,6 +45,9 @@ def loads(self, data: bytes) -> dict:
 
 
 class PickleSerializer:
+
+    __slots__ = ()
+
     def dumps(self, obj: dict) -> bytes:
         try:
             return pickle.dumps(obj, pickle.HIGHEST_PROTOCOL)