init

flask_demo_api/protocols/models.py

@@ -0,0 +1,7 @@
+from dataclasses import dataclass
+
+
+@dataclass()
+class KeyDTO:
+    key: str
+    val: str

flask_demo_api/protocols/repository.py

@@ -0,0 +1,18 @@
+from abc import abstractmethod
+from typing import Protocol
+
+from flask_demo_api.protocols.models import KeyDTO
+
+
+class Repository(Protocol):
+    @abstractmethod
+    def get_key(self, obj: KeyDTO) -> KeyDTO | None:
+        raise NotImplementedError
+
+    @abstractmethod
+    def add_key(self, obj: KeyDTO) -> KeyDTO:
+        raise NotImplementedError
+
+    @abstractmethod
+    def put_key(self, obj: KeyDTO) -> KeyDTO:
+        raise NotImplementedError