added support for home assistant postgres database and convenience function to get state of entity

utils/database/tables/__init__.py

@@ -0,0 +1,31 @@
+"""Database table definitions for Home Assistant PostgreSQL database."""
+
+from .event_data import EventData
+from .event_types import EventTypes
+from .events import Events
+from .migration_changes import MigrationChanges
+from .recorder_runs import RecorderRuns
+from .schema_changes import SchemaChanges
+from .state_attributes import StateAttributes
+from .states_meta import StatesMeta
+from .states import States
+from .statistics_meta import StatisticsMeta
+from .statistics_runs import StatisticsRuns
+from .statistics_short_term import StatisticsShortTerm
+from .statistics import Statistics
+
+__all__ = [
+    "EventData",
+    "EventTypes",
+    "Events",
+    "MigrationChanges",
+    "RecorderRuns",
+    "SchemaChanges",
+    "StateAttributes",
+    "StatesMeta",
+    "States",
+    "StatisticsMeta",
+    "StatisticsRuns",
+    "StatisticsShortTerm",
+    "Statistics",
+]