Logging setup

preprocessor/preprocessor/cli.py

 import click
 import yaml
-import logging
+import logging.config
 
 from .preprocess import preprocess_file
 
 
+def setup_logging(debug=False):
+    logging.config.dictConfig({
+        'version': 1,
+        'disable_existing_loggers': False,
+        'formatters': {
+            'brief': {
+                'format': '%(levelname)s %(name)s: %(message)s'
+            }
+        },
+        'handlers': {
+            'console': {
+                'class': 'logging.StreamHandler',
+                'level': 'DEBUG' if debug else 'INFO',
+                'formatter': 'brief',
+            }
+        },
+        'root': {
+            'handlers': ['console'],
+            'level': 'DEBUG' if debug else 'INFO',
+        }
+    })
+
+
 @click.group()
-# @click.argument('--config', envvar='PREPROCESS_CONFIG', type=click.File('r'))
 def cli():
-    pass
+    setup_logging(True)
 
 
 @cli.command(help='Run the preprocess daemon, attaching to a Redis queue')
@@ -26,5 +48,4 @@ def preprocess(file_path, config_file=None, use_dir=None):
 
 
 if __name__ == '__main__':
-    logging.basicConfig(level=logging.DEBUG)
     cli()