detect device_trackers based on the existence of longitude and latitude fields

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ttn_client"
-version = "1.2.0"
+version = "1.2.1"
 authors = [
   { name="Angel Nunez Mencias", email="pypi@angelnu.com" },
 ]

src/ttn_client/parsers/default.py

@@ -43,7 +43,7 @@ def __default_parse_field(
     """Parses a cayenne field"""
     new_ttn_value: TTNBaseValue | None
     if isinstance(new_value, dict):
-        if "gps" in field_id:
+        if "latitude" in new_value and "longitude" in new_value:
             # GPS
             new_ttn_value = TTNDeviceTrackerValue(application_up, field_id, new_value)
         else:

src/ttn_client/values/device_tracker.py

@@ -6,6 +6,11 @@
 class TTNDeviceTrackerValue(TTNBaseValue):
     """Sensor of type gps."""
 
+    def __init__(self, uplink: dict, field_id: str, value) -> None:
+        super().__init__(uplink, field_id, value)
+        assert "latitude" in self.value
+        assert "longitude" in self.value
+
     @property
     def value(self) -> dict:
         """the value itself."""
@@ -22,6 +27,6 @@ def longitude(self) -> float:
         return self.value["longitude"]
 
     @property
-    def altitude(self) -> float:
+    def altitude(self) -> float | None:
         """Return altitude value of the device."""
-        return self.value["altitude"]
+        return self.value.get("altitude", None)