no more busyloops in stub plugins

kvmd/aiotools.py

@@ -104,6 +104,11 @@ def run_sync(coro: Coroutine[Any, Any, _RetvalT]) -> _RetvalT:
     return asyncio.get_event_loop().run_until_complete(coro)
 
 
+# =====
+async def wait_infinite() -> None:
+    await asyncio.get_event_loop().create_future()
+
+
 # =====
 @contextlib.asynccontextmanager
 async def unlock_only_on_exception(lock: asyncio.Lock) -> AsyncGenerator[None, None]:

kvmd/plugins/atx/disabled.py

@@ -20,11 +20,11 @@
 # ========================================================================== #
 
 
-import asyncio
-
 from typing import Dict
 from typing import AsyncGenerator
 
+from ... import aiotools
+
 from . import AtxOperationError
 from . import BaseAtx
 
@@ -50,7 +50,7 @@ class Plugin(BaseAtx):
     async def poll_state(self) -> AsyncGenerator[Dict, None]:
         while True:
             yield self.get_state()
-            await asyncio.sleep(60)
+            await aiotools.wait_infinite()
 
     # =====
 

kvmd/plugins/msd/disabled.py

@@ -20,13 +20,14 @@
 # ========================================================================== #
 
 
-import asyncio
 import contextlib
 
 from typing import Dict
 from typing import AsyncGenerator
 from typing import Optional
 
+from ... import aiotools
+
 from . import MsdOperationError
 from . import BaseMsd
 
@@ -55,7 +56,7 @@ class Plugin(BaseMsd):
     async def poll_state(self) -> AsyncGenerator[Dict, None]:
         while True:
             yield (await self.get_state())
-            await asyncio.sleep(60)
+            await aiotools.wait_infinite()
 
     async def reset(self) -> None:
         raise MsdDisabledError()