update json_prop_names to set

Author: aragentum

src/gino/declarative.py

@@ -351,14 +351,14 @@ def _init_table(cls, sub_cls):
         for k, v in updates.items():
             setattr(sub_cls, k, v)
 
-        json_prop_names = []
+        json_prop_names = set()
         for each_cls in sub_cls.__mro__[::-1]:
             for k, v in each_cls.__dict__.items():
                 if isinstance(v, json_support.JSONProperty):
                     if not v.name:
                         v.name = k
                     if v.prop_name not in json_prop_names:
-                        json_prop_names.append(v.prop_name)
+                        json_prop_names.add(v.prop_name)
                     json_col = getattr(
                         sub_cls.__dict__.get(v.prop_name), "column", None
                     )

src/gino/json_support.py

@@ -55,7 +55,7 @@ def get_profile(self, instance):
             props = type(instance).__dict__
             instance.__profile__ = {}
             profiles = {}
-            for prop_name in getattr(instance, "__json_prop_names__", []):
+            for prop_name in getattr(instance, "__json_prop_names__", set()):
                 profiles.update(getattr(instance, prop_name, None) or {})
             for key, value in profiles.items():
                 if key not in props: