[Buildbot-devel] Using a Factory with Another Factory

[Ben Hearsum]

It doesn't quite work this way. You can try something like:
factory1 = factory.BuildFactory()
...
factory2 = factory.BuildFactory()
...

factory1.steps.extend(factory2.steps)

Ultimately, it would be _awesome_ to be be able to easily combine one  
factory with another. I filed a ticket on this that I haven't had time  
to work on yet :(
http://buildbot.net/trac/ticket/317

On 4-Dec-08, at 5:40 PM, Razvan Lupusoru wrote:

> Hello,
>
> I am trying to load a factory within another factory. This is done  
> like
> this:
> ####
> factory_gcc_EM64T = factory.BuildFactory()
> factory_gcc_EM64T.addStep(ShellCommand(command=["/bin/env"],
>                                        env={'NOWINSTALLPATH':
> 'gen2-gcc-em64t'}))
> factory_gcc_EM64T.addStep(compileAndBuildFactory) # Add compilation
> abilities
>
> compileAndBuildFactory= factory.BuildFactory()
> compileAndBuildFactory.addStep(SVN(mode='update', baseURL=SVN_URL,
> defaultBranch='trunk'))
> ####
>
> The reason I am doing this is because I need my first factory to set
> some environment variables which will be used by  
> compileAndBuildFactory
> so that it stays a generic factory that I can reuse. The configuration
> file passes the buildbot checkconfig option. However, whenever I  
> start a
> build, I get the error: SetupBuild Exception
> This is from the twisted.log file:
> ####
> 2008/12/04 16:40 EST [Broker,0,192.168.103.1] <Build
> Gen2-GCC-EMT64>.startBuild
> 2008/12/04 16:40 EST [Broker,0,192.168.103.1] error while creating  
> step,
> factory=<buildbot.process.factory.BuildFactory insta
> nce at 0x2b7b36c80d88>, args={}
> 2008/12/04 16:40 EST [Broker,0,192.168.103.1] Build.setupBuild failed
> 2008/12/04 16:40 EST [Broker,0,192.168.103.1] Traceback (most recent
> call last):
>          File
> "/usr/lib64/python2.4/site-packages/twisted/internet/defer.py", line
> 229, in callback
>            self._startRunCallbacks(result)
>          File
> "/usr/lib64/python2.4/site-packages/twisted/internet/defer.py", line
> 294, in _startRunCallbacks
>            self._runCallbacks()
>          File
> "/usr/lib64/python2.4/site-packages/twisted/internet/defer.py", line
> 307, in _runCallbacks
>            self.result = callback(self.result, *args, **kw)
>          File
> "/usr/lib/python2.4/site-packages/buildbot/process/builder.py", line
> 635, in _startBuild_2
>            d = build.startBuild(bs, self.expectations, sb)
>        --- <exception caught here> ---
>          File
> "/usr/lib/python2.4/site-packages/buildbot/process/base.py", line 300,
> in startBuild
>            self.setupBuild(expectations) # create .steps
>          File
> "/usr/lib/python2.4/site-packages/buildbot/process/base.py", line 351,
> in setupBuild
>            step = factory(**args)
>        exceptions.AttributeError: BuildFactory instance has no  
> __call__
> method
> ####
>
> Is my syntax for loading a factory within a factory wrong? Is there  
> any
> better way to set some environment variables based on what which  
> builder
> is called and then do some generic steps?
>
> Thank you,
>
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