initial

models.py

@@ -0,0 +1,43 @@
+from typing import Any, Callable
+
+from pydantic import BaseModel, ConfigDict
+
+
+class Report(BaseModel):
+    model_config = ConfigDict(validate_assignment=True)
+
+    speed_mph: float = 0.0
+    rpm: float = 0.0
+    fuel_level_pct: float = 0.0
+    oil_temp_f: float = 0.0
+    coolant_temp_f: float = 0.0
+
+    @staticmethod
+    def _coerce_numeric(value: Any) -> float:
+        if value is None:
+            return 0.0
+        if hasattr(value, "magnitude"):
+            value = value.magnitude
+        return float(value)
+
+    def set_speed(self, value: Any) -> None:
+        self.speed_mph = self._coerce_numeric(value)
+
+    def set_rpm(self, value: Any) -> None:
+        self.rpm = self._coerce_numeric(value)
+
+    def set_fuel(self, value: Any) -> None:
+        self.fuel_level_pct = self._coerce_numeric(value)
+
+    def set_oil_temp(self, value: Any) -> None:
+        self.oil_temp_f = self._coerce_numeric(value)
+
+    def set_coolant_temp(self, value: Any) -> None:
+        self.coolant_temp_f = self._coerce_numeric(value)
+
+
+class Scan(BaseModel):
+    cmd: Any = None
+    interval: float = 10.0
+    callback: Callable[[float], None] | None = None
+    transform: Callable[[Any], float] | None = None