Update hub children on first update and delay subsequent updates (#1438)

kasa/smart/smartmodule.py

@@ -62,6 +62,8 @@ class SmartModule(Module):
     REGISTERED_MODULES: dict[str, type[SmartModule]] = {}
 
     MINIMUM_UPDATE_INTERVAL_SECS = 0
+    MINIMUM_HUB_CHILD_UPDATE_INTERVAL_SECS = 60 * 60 * 24
+
     UPDATE_INTERVAL_AFTER_ERROR_SECS = 30
 
     DISABLE_AFTER_ERROR_COUNT = 10
@@ -107,16 +109,27 @@ class SmartModule(Module):
     @property
     def update_interval(self) -> int:
         """Time to wait between updates."""
-        if self._last_update_error is None:
-            return self.MINIMUM_UPDATE_INTERVAL_SECS
+        if self._last_update_error:
+            return self.UPDATE_INTERVAL_AFTER_ERROR_SECS * self._error_count
 
-        return self.UPDATE_INTERVAL_AFTER_ERROR_SECS * self._error_count
+        if self._device._is_hub_child:
+            return self.MINIMUM_HUB_CHILD_UPDATE_INTERVAL_SECS
+
+        return self.MINIMUM_UPDATE_INTERVAL_SECS
 
     @property
     def disabled(self) -> bool:
         """Return true if the module is disabled due to errors."""
         return self._error_count >= self.DISABLE_AFTER_ERROR_COUNT
 
+    def _should_update(self, update_time: float) -> bool:
+        """Return true if module should update based on delay parameters."""
+        return (
+            not self.update_interval
+            or not self._last_update_time
+            or (update_time - self._last_update_time) >= self.update_interval
+        )
+
     @classmethod
     def _module_name(cls) -> str:
         return getattr(cls, "NAME", cls.__name__)