Refine module and function logging to stderr

app/log.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # Standard library imports
+from collections import defaultdict
 import logging
 import logging.config
 import logging.handlers

app/logging.yaml

@@ -4,7 +4,7 @@ disable_existing_loggers: True
 formatters:
   colored:
     (): colorlog.ColoredFormatter
-    format: "%(log_color)s[%(asctime)s] %(filename)s.%(funcName)s:%(lineno)s %(message)s"
+    format: "%(log_color)s[%(asctime)s] %(filename)s.%(funcName)s:%(lineno)s %(blue)s%(message)s"
     datefmt: "%H:%M:%S"
   syslog:
     format: "[%(name)s] %(filename)s:%(lineno)s %(leveltag)s: %(message)s"
@@ -14,8 +14,15 @@ filters:
     (): log.LevelTagFilter
   category_filter:
     (): log.FunctionFilter
-    functions: !!set
-      fb: null
+    module_functions:
+      # Optionally additionally log some debug calls to stderr
+      # log all debug calls in a module:
+      #    module-name: []
+      # log debug calls for some functions in a module:
+      #    module-name:
+      #    - function-name-1
+      #    - function-name-2
+      file_importer: []
 
 handlers:
   stderr: