Trac supports logging of system messages using the standard [http://docs.python.org/lib/module-logging.html logging module] that comes with Python.
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Logging is configured in the {{{[logging]}}} section in [wiki:TracIni trac.ini].
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== Supported Logging Methods ==
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The log method is set using the `log_type` configuration option, which takes any of the following values:
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'''none'':: Suppress all log messages.
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'''file''':: Log messages to a file, specified with the `log_file` option in [wiki:TracIni trac.ini].
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'''stderr''':: Output all log entries to console ([wiki:TracStandalone tracd] only).
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'''syslog''':: (UNIX) Send messages to local syslogd via named pipe `/dev/log`.
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'''eventlog''':: (Windows) Use the system's NT eventlog for Trac logging.
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== Log Levels ==
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The verbosity level of logged messages can be set using the ''log_level'' directive in [wiki:TracIni trac.ini]. The log level defines the minimum level of urgency required for a message to be logged.
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The levels are:
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'''CRITICAL''':: Log only the most critical (typically fatal) errors.