Comment 1 for bug 1377587

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Nir Arad (nira-p) wrote :

I've looked into RotatingFileHandler.__init__() and they added this:

        # 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'