Giant refactor to rebrand "SIG" as "Activity" anywhere that doesn't touch API or config file (which is to be addressed in a future breaking change). #147

providers/activityrefdata/local_file_activity_ref_data_provider.py

@@ -0,0 +1,36 @@
+import logging
+from datetime import datetime
+
+import pytz
+
+from providers.activityrefdata.activity_ref_data_provider import ActivityRefDataProvider
+
+logger = logging.getLogger(__name__)
+
+
+class LocalFileActivityRefDataProvider(ActivityRefDataProvider):
+    """Generic activity ref data provider class for providers that fetch their data from a local file on startup."""
+
+    def __init__(self, sig_name, provider_config, path):
+        super().__init__(sig_name, provider_config)
+        self._path = path
+
+    def start(self):
+        logger.debug(f"Loading {self.sig_name} activity ref data from file.")
+        try:
+            new_data = self._file_to_data(self._path)
+            if new_data:
+                self._add_data(new_data)
+                self.status = "OK"
+                self.last_update_time = datetime.now(pytz.UTC)
+            else:
+                self.status = "Error"
+                logger.info(f"Failed to load activity ref data for {self.sig_name}")
+        except Exception:
+            self.status = "Error"
+            logger.exception(f"Exception in local file Activity Ref Data Provider ({self.sig_name})")
+
+    def _file_to_data(self, path):
+        """Load a file on the given path and turn it into activity ref data."""
+
+        raise NotImplementedError("Subclasses must implement this method")