Add caching to _user_overrides

lidatong · Oct 5, 2019 · cbe4d87 · cbe4d87
1 parent 56c3c9d
commit cbe4d87
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/dataclasses_json/core.py b/dataclasses_json/core.py
@@ -45,6 +45,7 @@ def default(self, o) -> Json:
         return result
 
 
+@lru_cache(maxsize=128)
 def _user_overrides(cls):
     confs = ['encoder', 'decoder', 'mm_field', 'letter_case']
     FieldOverride = namedtuple('FieldOverride', confs)