2 files changed, 11 insertions, 4 deletions
diff --git a/src/home/inverter/monitor.py b/src/home/inverter/monitor.py
index f661d73..86f75ac 100644
--- a/src/home/inverter/monitor.py
+++ b/src/home/inverter/monitor.py
@@ -113,9 +113,7 @@ class InverterMonitor(Thread):
 
         # Reading rated configuration
         rated = inverter.exec('get-rated')['data']
-        self.osp = OutputSourcePriority.SolarBatteryUtility \
-            if rated['output_source_priority'] == 'Solar-Battery-Utility' \
-            else OutputSourcePriority.SolarUtilityBattery
+        self.osp = OutputSourcePriority.from_text(rated['output_source_priority'])
 
         # Read data and run implemented programs every 2 seconds.
         while not self.interrupted:
diff --git a/src/home/inverter/types.py b/src/home/inverter/types.py
index 0292c15..57021f1 100644
--- a/src/home/inverter/types.py
+++ b/src/home/inverter/types.py
@@ -52,4 +52,13 @@ class ACMode(Enum):
 
 class OutputSourcePriority(Enum):
     SolarUtilityBattery = 'SUB'
-    SolarBatteryUtility = 'SBU'
-\ No newline at end of file
+    SolarBatteryUtility = 'SBU'
+
+    @classmethod
+    def from_text(cls, s: str):
+        if s == 'Solar-Battery-Utility':
+            return cls.SolarBatteryUtility
+        elif s == 'Solar-Utility-Battery':
+            return cls.SolarUtilityBattery
+        else:
+            raise ValueError(f'unknown value: {s}')
+\ No newline at end of file