otg msd and big refactoring

kvmd/plugins/msd/disabled.py

@@ -21,11 +21,11 @@
 
 
 import asyncio
-import types
+import contextlib
 
 from typing import Dict
-from typing import Type
 from typing import AsyncGenerator
+from typing import Optional
 
 from . import MsdOperationError
 from . import BaseMsd
@@ -39,23 +39,22 @@ class MsdDisabledError(MsdOperationError):
 
 # =====
 class Plugin(BaseMsd):
-    def get_state(self) -> Dict:
+    async def get_state(self) -> Dict:
         return {
             "enabled": False,
-            "multi": False,
             "online": False,
             "busy": False,
-            "uploading": False,
-            "written": 0,
-            "current": None,
             "storage": None,
-            "cdrom": None,
-            "connected": False,
+            "drive": None,
+            "features": {
+                "multi": False,
+                "cdrom": False,
+            },
         }
 
     async def poll_state(self) -> AsyncGenerator[Dict, None]:
         while True:
-            yield self.get_state()
+            yield (await self.get_state())
             await asyncio.sleep(60)
 
     async def reset(self) -> None:
@@ -63,32 +62,24 @@ class Plugin(BaseMsd):
 
     # =====
 
-    async def connect(self) -> Dict:
+    async def set_params(self, name: Optional[str]=None, cdrom: Optional[bool]=None) -> None:
         raise MsdDisabledError()
 
-    async def disconnect(self) -> Dict:
+    async def connect(self) -> None:
         raise MsdDisabledError()
 
-    async def select(self, name: str, cdrom: bool) -> Dict:
+    async def disconnect(self) -> None:
         raise MsdDisabledError()
 
-    async def remove(self, name: str) -> Dict:
-        raise MsdDisabledError()
-
-    async def __aenter__(self) -> BaseMsd:
-        raise MsdDisabledError()
-
-    async def write_image_info(self, name: str, complete: bool) -> None:
-        raise MsdDisabledError()
+    @contextlib.asynccontextmanager
+    async def write_image(self, name: str) -> AsyncGenerator[None, None]:
+        if True:  # pylint: disable=using-constant-test
+            # XXX: Vulture hack
+            raise MsdDisabledError()
+        yield
 
     async def write_image_chunk(self, chunk: bytes) -> int:
         raise MsdDisabledError()
 
-    async def __aexit__(
-        self,
-        _exc_type: Type[BaseException],
-        _exc: BaseException,
-        _tb: types.TracebackType,
-    ) -> None:
-
+    async def remove(self, name: str) -> None:
         raise MsdDisabledError()