pvforecast: Some values optional. Closes #292 (#293)

* temperature, relativehumidity_2m, windspeed_10m can be null
 * prettify pv_forecast_input_1.json (and add null value)

src/akkudoktoreos/optimization/genetic.py

@@ -34,7 +34,7 @@ class OptimizationParameters(BaseModel):
     wechselrichter: WechselrichterParameters = WechselrichterParameters()
     eauto: Optional[EAutoParameters]
     dishwasher: Optional[HomeApplianceParameters] = None
-    temperature_forecast: Optional[list[float]] = Field(
+    temperature_forecast: Optional[list[Optional[float]]] = Field(
         default=None,
         description="An array of floats representing the temperature forecast in degrees Celsius for different time intervals.",
     )

src/akkudoktoreos/prediction/pv_forecast.py

@@ -80,9 +80,9 @@ class AkkudoktorForecastValue(BaseModel):
     power: float
     sunTilt: float
     sunAzimuth: float
-    temperature: float
-    relativehumidity_2m: float
-    windspeed_10m: float
+    temperature: Optional[float]
+    relativehumidity_2m: Optional[float]
+    windspeed_10m: Optional[float]
 
 
 class AkkudoktorForecast(BaseModel):
@@ -109,8 +109,8 @@ def validate_pv_forecast_data(data: dict[str, Any]) -> Optional[str]:
 
 
 class ForecastResponse(BaseModel):
-    temperature: list[float]
-    pvpower: list[float]
+    temperature: list[Optional[float]]
+    pvpower: list[Optional[float]]
 
 
 class ForecastData:

src/akkudoktoreos/utils/visualize.py

@@ -89,7 +89,7 @@ class VisualizationReport:
     def create_line_chart(
         self,
         start_hour: Optional[int],
-        y_list: list[Union[np.ndarray, list[float]]],
+        y_list: list[Union[np.ndarray, list[Optional[float]], list[float]]],
         title: str,
         xlabel: str,
         ylabel: str,