v0.1.1 added config.json, removed hardcode config from code

series4_emitter.py

@@ -1,5 +1,5 @@
 """
-Series 4 Emitter — v0.1.0
+Series 4 Emitter — v0.1.1
 
 Micromate (Series 4) heartbeat emitter for Seismo Fleet Manager (SFM).
 
@@ -31,22 +31,52 @@ except ImportError:
 
 # ---------------- Config ----------------
 
-# Root THORDATA folder on the THOR PC / VM
-THORDATA_PATH = r"C:\THORDATA"
+def load_config(config_path: str = "config.json") -> Dict[str, Any]:
+    """
+    Load configuration from a JSON file.
 
-# Scan interval in seconds
-SCAN_INTERVAL = 60  # 1 minute
+    Falls back to defaults if file doesn't exist or has errors.
+    """
+    defaults = {
+        "thordata_path": r"C:\THORDATA",
+        "scan_interval": 60,
+        "late_days": 2,
+        "stale_days": 60,
+        "sfm_endpoint": "",
+        "sfm_timeout": 5,
+        "debug": True
+    }
 
-# Age thresholds (in days)
-LATE_DAYS = 2       # between OK and STALE
-STALE_DAYS = 60     # stale if last call >= STALE_DAYS
+    # Try to find config file relative to script location
+    script_dir = os.path.dirname(os.path.abspath(__file__))
+    full_config_path = os.path.join(script_dir, config_path)
 
-# Optional SFM backend endpoint (leave empty to disable HTTP)
-SFM_ENDPOINT = ""   # e.g. "http://sfm-backend.local/api/telemetry/series4"
-SFM_TIMEOUT = 5     # seconds
+    if not os.path.exists(full_config_path):
+        print(f"[WARN] Config file not found at {full_config_path}, using defaults", file=sys.stderr)
+        return defaults
 
-# Enable/disable debug prints
-DEBUG = True
+    try:
+        with open(full_config_path, 'r') as f:
+            config = json.load(f)
+        # Merge with defaults to ensure all keys exist
+        return {**defaults, **config}
+    except json.JSONDecodeError as e:
+        print(f"[WARN] Invalid JSON in config file: {e}, using defaults", file=sys.stderr)
+        return defaults
+    except Exception as e:
+        print(f"[WARN] Error loading config file: {e}, using defaults", file=sys.stderr)
+        return defaults
+
+# Load configuration
+config = load_config()
+
+THORDATA_PATH = config["thordata_path"]
+SCAN_INTERVAL = config["scan_interval"]
+LATE_DAYS = config["late_days"]
+STALE_DAYS = config["stale_days"]
+SFM_ENDPOINT = config["sfm_endpoint"]
+SFM_TIMEOUT = config["sfm_timeout"]
+DEBUG = config["debug"]
 
 # Regex: UM12345_YYYYMMDDHHMMSS.MLG
 MLG_PATTERN = re.compile(r"^(UM\d+)_([0-9]{14})\.MLG$", re.IGNORECASE)