dont read unconfigured sensors

read_temperature.py

@@ -77,6 +77,8 @@ def load_config(path: Path) -> Config:
     if not isinstance(configured_sensors, list) or not configured_sensors:
         raise SystemExit("The configuration requires a non-empty sensors list")
 
+    collection = raw.get("collection", {})
+    excluded_prefix = str(collection.get("excluded_name_prefix", "CHANGE_ME"))
     sensors: list[Sensor] = []
     slugs: set[str] = set()
     topics: set[str] = set()
@@ -88,6 +90,8 @@ def load_config(path: Path) -> Config:
             raise SystemExit("Every sensor requires a name and topic") from error
         if not name or not topic:
             raise SystemExit("Sensor names and topics cannot be empty")
+        if excluded_prefix and name.casefold().startswith(excluded_prefix.casefold()):
+            continue
         slug = safe_slug(name)
         if slug in slugs or topic in topics:
             raise SystemExit(f"Duplicate sensor slug or topic: {name!r}, {topic!r}")
@@ -95,7 +99,11 @@ def load_config(path: Path) -> Config:
         topics.add(topic)
         sensors.append(Sensor(name, topic, slug))
 
-    collection = raw.get("collection", {})
+    if not sensors:
+        raise SystemExit(
+            f"No active sensors remain after excluding names beginning with {excluded_prefix!r}"
+        )
+
     storage = raw.get("storage", {})
     logging_config = raw.get("logging", {})
     interval = int(collection.get("interval_seconds", 600))