[Buildbot-commits] [Buildbot] #1795: add python script slave-side command

[Buildbot]

#1795: add python script slave-side command
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Reporter:  dustin       |      Owner:
    Type:  enhancement  |     Status:  new
Priority:  major        |  Milestone:  0.8.+
 Version:  0.8.3p1      |   Keywords:
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 Complex slave-side functionality is often written as a big 'ol master-side
 shell script, e.g.,
  https://github.com/buildbot/metabbotcfg/blob/master/builders.py

 This works pretty well for systems with a shell (although you still need
 to deal with shell portability issues), but is problematic for Windows.

 It's not particularly difficult to run Python scripts slave-side right
 now, either.  Usually you'll use a FileDownload to send the script, and
 then a ShellCommand to invoke Python.  That requires knowing with Python
 is installed, though, which varies from platform to platform.  But the
 Buildbot-slave code is running in the python interpreter and knows exactly
 what its pathname is ({{{sys.executable}}})!

 So this is proposing adding a slave-side command that can take a string
 and execute it in a freshly-spawned Python interpreter on the slave.

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Ticket URL: <http://trac.buildbot.net/ticket/1795>
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