misc: remove tev dependency for lan control & fixs (#333)

* Remove tev & fix some type issues

* Use call_soon_threadsafe instead of event fd for ipc

* fix lint

* add tev back

* fix lint

* ignore broad exception warning

* revert changes in the license

* do not set asyncio event loop

* fix racing condition

* remove unused data classes

* change internal class scope

* set timers to None after cancel

* Adjust import order

* fix typo

* Fix typo in comments

* guard lan apis with init_done

custom_components/xiaomi_home/miot/common.py

@@ -83,6 +83,9 @@ def randomize_int(value: int, ratio: float) -> int:
     """Randomize an integer value."""
     return int(value * (1 - ratio + random.random()*2*ratio))
 
+def randomize_float(value: float, ratio: float) -> float:
+    """Randomize a float value."""
+    return value * (1 - ratio + random.random()*2*ratio)
 
 class MIoTMatcher(MQTTMatcher):
     """MIoT Pub/Sub topic matcher."""

custom_components/xiaomi_home/miot/miot_client.py

@@ -1089,7 +1089,7 @@ async def __on_miot_lan_state_change(self, state: bool) -> None:
                 handler=self.__on_lan_device_state_changed)
             for did, info in (
                     await self._miot_lan.get_dev_list_async()).items():
-                self.__on_lan_device_state_changed(
+                await self.__on_lan_device_state_changed(
                     did=did, state=info, ctx=None)
             _LOGGER.info('lan device list, %s', self._device_list_lan)
             self._miot_lan.update_devices(devices={

custom_components/xiaomi_home/miot/miot_error.py

@@ -74,6 +74,7 @@ class MIoTErrorCode(Enum):
     # Config flow error code, -10100
     # Options flow error code , -10110
     # MIoT lan error code, -10120
+    CODE_LAN_UNAVAILABLE = -10120
 
 
 class MIoTError(Exception):
@@ -141,3 +142,7 @@ class MIoTConfigError(MIoTError):
 
 class MIoTOptionsError(MIoTError):
     ...
+
+
+class MIoTLanError(MIoTError):
+    ...