Log Systems
Three unified log classes to manage in a coherent way logs
between different logging systems:
- null
- log black hole, it simply discard log messages
- syslog
- log standard messages to
syslog: http://en.wikipedia.org/wiki/Syslog
- file
- use standard Python logging customizable to log to a file
- stdout
- print log messages on the standard output, works only if not daemonized
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