Log selected index definition

climix/metadata.py

@@ -344,17 +344,23 @@ class IndexCatalog:
             return PeriodSpecification(selected_period, period_metadata)
 
         indices = []
-        for index in requested_indices:
-            definition = self.get_index_definition(index)
+        for index_name in requested_indices:
+            definition = self.get_index_definition(index_name)
             period_spec = select_period(definition.period)
             try:
                 index_function = build_index_function(definition.index_function)
             except TypeError:
                 logging.error(
                     f"Could not build index function for index "
-                    f"{index} from definition {definition}"
+                    f"{index_name} from definition {definition}"
                 )
                 raise
+            logging.info(
+                f"Trying to build index <{index_name}> "
+                f"with period <{period_spec.type}"
+                f"({p if (p := period_spec.parameters) is not None else ''})> "
+                f"from definition in <{definition.source}>"
+            )
             index = Index(index_function, definition, period_spec)
             indices.append(index)
         return indices