Bug #1458017: make distutils.Log._log more forgiving when passing in
msg strings with '%', but without format args.
diff --git a/Lib/distutils/log.py b/Lib/distutils/log.py
index cf3ee13..95d4c1c 100644
--- a/Lib/distutils/log.py
+++ b/Lib/distutils/log.py
@@ -20,7 +20,12 @@
def _log(self, level, msg, args):
if level >= self.threshold:
- print msg % args
+ if not args:
+ # msg may contain a '%'. If args is empty,
+ # don't even try to string-format
+ print msg
+ else:
+ print msg % args
sys.stdout.flush()
def log(self, level, msg, *args):