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Diffstat (limited to 'Lib/logging/handlers.py')
-rw-r--r-- | Lib/logging/handlers.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py index 5f838e5..906df16 100644 --- a/Lib/logging/handlers.py +++ b/Lib/logging/handlers.py @@ -103,8 +103,13 @@ class RotatingFileHandler(BaseRotatingHandler): If maxBytes is zero, rollover never occurs. """ + # If rotation/rollover is wanted, it doesn't make sense to use another + # mode. If for example 'w' were specified, then if there were multiple + # runs of the calling application, the logs from previous runs would be + # lost if the 'w' is respected, because the log file would be truncated + # on each run. if maxBytes > 0: - mode = 'a' # doesn't make sense otherwise! + mode = 'a' BaseRotatingHandler.__init__(self, filename, mode, encoding, delay) self.maxBytes = maxBytes self.backupCount = backupCount |