Disable logger propagation by default

8 years ago · e00e2c22aa
2 changed files with 5 additions and 0 deletions
--- a/1
+++ b/1
@ -11,6 +11,7 @@ Version 0.12
  See pull request ``#1849``.
 - Make ``flask.safe_join`` able to join multiple paths like ``os.path.join``
  (pull request ``#1730``).
+- Disable logger propagation by default for the app logger.

 Version 0.11.2
 --------------
--- a/flask/logging.py
+++ b/flask/logging.py
@ -87,4 +87,8 @@ def create_logger(app):
    logger.__class__ = DebugLogger
    logger.addHandler(debug_handler)
    logger.addHandler(prod_handler)
+
+    # Disable propagation by default
+    logger.propagate = False
+
    return logger