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Closes #18940: Merged fix from 3.3.

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Vinay Sajip 2013-09-06 10:11:37 +01:00
commit a92a3564a9
1 changed files with 3 additions and 1 deletions
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4
Lib/logging/handlers.py
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@ -109,7 +109,9 @@ class BaseRotatingHandler(logging.FileHandler):
what the source is rotated to, e.g. 'test.log.1'.
"""
if not callable(self.rotator):
os.rename(source, dest)
# Issue 18940: A file may not have been created if delay is True.
if os.path.exists(source):
os.rename(source, dest)
else:
self.rotator(source, dest)