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http://trac.edgewall.org/wiki/TracInstall
http://trac.edgewall.org/wiki/TracInstallPlatforms
http://trac.edgewall.org/wiki/TracOnRhel5
http://dag.wieers.com/rpm/FAQ.php#B
http://tech.idv2.com/2008/12/26/install-trac-on-linux/
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trac:http://trac.edgewall.org/wiki/TracDownload
Genshi:http://genshi.edgewall.org/wiki/Download
pysqlite:http://download.chinaunix.net/download/0009000/8596.shtml
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