merge change that didn't make it for some reason

Author: aysim319

google_symptoms/delphi_google_symptoms/date_utils.py

@@ -76,12 +76,18 @@ def generate_num_export_days(params: Dict, logger) -> [int]:
     num_export_days = params["indicator"]["num_export_days"]
     custom_run = False if not params["common"].get("custom_run") else params["common"].get("custom_run", False)
 
-    if num_export_days is None and not custom_run:
+    if num_export_days is None:
+        # Generate a list of signals we expect to produce
+        sensor_names = set(
+            "_".join([metric, smoother, "search"])
+            for metric, smoother in product(COMBINED_METRIC, SMOOTHERS)
+        )
+        Epidata.auth = ("epidata", params["indicator"]["api_credentials"])
         # Fetch metadata to check how recent each signal is
-        covidcast.use_api_key(params["indicator"]["api_credentials"])
-        metadata = covidcast.metadata()
-        # Filter to only those signals we currently want to produce for `google-symptoms`
-        gs_metadata = metadata[(metadata.data_source == "google-symptoms") & (metadata.signal.isin(sensor_names))]
+        metadata = Epidata.covidcast_meta()
+        # Filter to only those we currently want to produce, ignore any old or deprecated signals
+        gs_metadata = metadata[(metadata.data_source == "google-symptoms") &
+            (metadata.signal.isin(sensor_names))]
 
         if sensor_names.difference(set(gs_metadata.signal)):
             # If any signal not in metadata yet, we need to backfill its full history.