whitelist loggers instead of blacklisting nonexhaustively (#663)

dbt/logger.py

@@ -5,14 +5,6 @@
 
 import colorama
 
-# disable logs from other modules, excepting CRITICAL logs
-logging.getLogger('botocore').setLevel(logging.CRITICAL)
-logging.getLogger('contracts').setLevel(logging.CRITICAL)
-logging.getLogger('requests').setLevel(logging.CRITICAL)
-logging.getLogger('urllib3').setLevel(logging.CRITICAL)
-logging.getLogger('google').setLevel(logging.CRITICAL)
-logging.getLogger('snowflake.connector').setLevel(logging.CRITICAL)
-logging.getLogger('parsedatetime').setLevel(logging.CRITICAL)
 
 # Colorama needs some help on windows because we're using logger.info
 # intead of print(). If the Windows env doesn't have a TERM var set,
@@ -36,9 +28,14 @@
 stdout_handler.setFormatter(logging.Formatter('%(message)s'))
 stdout_handler.setLevel(logging.INFO)
 
-logger = logging.getLogger()
+logger = logging.getLogger('dbt')
 logger.addHandler(stdout_handler)
 logger.setLevel(logging.DEBUG)
+logging.getLogger().setLevel(logging.CRITICAL)
+
+# Redirect warnings through our logging setup
+# They will be logged to a file below
+logging.captureWarnings(True)
 
 initialized = False
 
@@ -90,6 +87,11 @@ def initialize_logger(debug_mode=False, path=None):
 
         logger.addHandler(logdir_handler)
 
+        # Log Python warnings to file
+        warning_logger = logging.getLogger('py.warnings')
+        warning_logger.addHandler(logdir_handler)
+        warning_logger.setLevel(logging.DEBUG)
+
     initialized = True
 
 

scripts/dbt

@@ -4,5 +4,4 @@ import dbt.main
 import logging
 
 if __name__ == "__main__":
-    logging.basicConfig(level=logging.INFO)
     dbt.main.main(sys.argv[1:])