BuildbotTry starts up a build without a ChangeSource or Change being involved. It is generally run from the command-line tool "buildbot try" on a developer's workstation; BuildbotTry will automatically extract any local changes the developer has made (using their local VersionControl system), and a build will be started on the appropriate ["Builder"] with the appropriate changes applied.

Another way to get arbitrary changes/patches (i.e., local modifications to source code that are not checked in) out to the BuildSlaves is to use BuildbotSendchange.

[http://buildbot.net/repos/release/docs/buildbot.html#try User manual]

[http://buildbot.sourceforge.net/API-0.7.5/buildbot.scripts.tryclient-module.html API docs]