first commit

fastapi_cache/backends/__init__.py

@@ -0,0 +1,16 @@
+import abc
+from typing import Tuple
+
+
+class Backend:
+    @abc.abstractmethod
+    async def get_with_ttl(self, key: str) -> Tuple[int, str]:
+        raise NotImplementedError
+
+    @abc.abstractmethod
+    async def get(self, key: str) -> str:
+        raise NotImplementedError
+
+    @abc.abstractmethod
+    async def set(self, key: str, value: str, expire: int = None):
+        raise NotImplementedError