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1 = Trac Logging =
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2 [[TracGuideToc]]
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3
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4 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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5
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6 Logging is configured in the {{{[logging]}}} section in [wiki:TracIni trac.ini].
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7
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8 == Supported Logging Methods ==
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9
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10 The log method is set using the `log_type` configuration option, which takes any of the following values:
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11 '''none'':: Suppress all log messages.
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12 '''file''':: Log messages to a file, specified with the `log_file` option in [wiki:TracIni trac.ini].
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13 '''stderr''':: Output all log entries to console ([wiki:TracStandalone tracd] only).
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14 '''syslog''':: (UNIX) Send messages to local syslogd via named pipe `/dev/log`.
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15 '''eventlog''':: (Windows) Use the system's NT eventlog for Trac logging.
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16
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17 == Log Levels ==
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18
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19 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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20
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21 The levels are:
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22 '''CRITICAL''':: Log only the most critical (typically fatal) errors.
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23 '''ERROR''':: Log failures, bugs and errors.
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24 '''WARN''':: Log warnings, non-interrupting events.
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25 '''INFO''':: Diagnostic information, log information about all processing.
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26 '''DEBUG''':: Trace messages, profiling, etc.
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27
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28 ----
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29 See also: TracIni, TracGuide, TracEnvironment
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