update: IFrameProcessor의 ready, live 구현을 메서드로 변경*

- 기존 프로퍼티는 유지
- 내부 구현을 별도 추상 메서드로 구현
- 프로퍼터 상에서 assert로 타입 체크 추가

v2v/_null_frame_processor_.py

@@ -15,10 +15,10 @@ async def __call__(self, input_data: FrameData) -> FrameData:
         self._ready = True
         return output_data
 
-    def live(self) -> bool:
+    def _get_live(self) -> bool:
         return True
 
-    def ready(self) -> bool:
+    def _get_ready(self) -> bool:
         return self._ready
 
 

v2v/interface/_i_frame_processor_.py

@@ -14,19 +14,30 @@ def __init__(self) -> None:
     async def __call__(self, input_data: IT) -> OT:
         ...
 
+    @abstractmethod
+    def _get_ready(self) -> bool:
+        ...
+
+    @abstractmethod
+    def _get_live(self) -> bool:
+        ...
+
     @property
     def id(self):
+        assert self._id is not None
         return self._id
 
     @property
-    @abstractmethod
     def live(self) -> bool:
-        ...
+        __val = self._get_live()
+        assert type(__val) is bool
+        return __val
 
     @property
-    @abstractmethod
     def ready(self) -> bool:
-        ...
+        __val = self._get_ready()
+        assert type(__val) is bool
+        return __val
 
 
 __all__ = [IFrameProcessor.__name__]