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import FWCore.ParameterSet.Config as cms
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## Helpers to perform some technically boring tasks like looking for all modules with a given parameter
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## and replacing that to a given value
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class MassSearchReplaceParamVisitor(object):
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"""Visitor that travels within a cms.Sequence, looks for a parameter and replace its value"""
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def __init__(self,paramName,paramSearch,paramValue):
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self._paramName = paramName
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self._paramValue = paramValue
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self._paramSearch = paramSearch
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def enter(self,visitee):
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if (hasattr(visitee,self._paramName)):
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if getattr(visitee,self._paramName) == self._paramSearch:
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print "Replaced %s.%s: %s => %s" % (visitee,self._paramName,getattr(visitee,self._paramName),self._paramValue)
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setattr(visitee,self._paramName,self._paramValue)
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def leave(self,visitee):
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pass
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class MassSearchReplaceAnyInputTagVisitor(object):
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"""Visitor that travels within a cms.Sequence, looks for a parameter and replace its value
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It will climb down within PSets, VPSets and VInputTags to find its target"""
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def __init__(self,paramSearch,paramReplace):
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self._paramSearch = paramSearch
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self._paramReplace = paramReplace
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self._moduleName = ''
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def doIt(self,pset,base):
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if isinstance(pset, cms._Parameterizable):
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for name in pset.parameters_().keys():
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# if I use pset.parameters_().items() I get copies of the parameter values
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# so I can't modify the nested pset
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value = getattr(pset,name)
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type = value.pythonTypeName()
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if type == 'cms.PSet':
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self.doIt(value,base+"."+name)
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elif type == 'cms.VPSet':
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for (i,ps) in enumerate(value): self.doIt(ps, "%s.%s[%d]"%(base,name,i) )
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elif type == 'cms.VInputTag':
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for (i,n) in enumerate(value):
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if (it == self._paramSearch):
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print "Replace %s.%s[%d] %s ==> %s " % (base, name, i, self._paramSearch, self._paramReplace)
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value[i] == self._paramReplace
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elif type == 'cms.InputTag':
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if value == self._paramSearch:
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print "Replace %s.%s %s ==> %s " % (base, name, self._paramSearch, self._paramReplace)
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setattr(pset, name, self._paramReplace)
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def enter(self,visitee):
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label = ''
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try: label = visitee.label()
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except AttributeError: label = '<Module not in a Process>'
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self.doIt(visitee, label)
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def leave(self,visitee):
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pass
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class GatherAllModulesVisitor(object):
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"""Visitor that travels within a cms.Sequence, and returns a list of modules that have it"""
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def __init__(self):
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self._modules = []
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def enter(self,visitee):
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self._modules.append(visitee)
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def leave(self,visitee):
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pass
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def modules(self):
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return self._modules
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class MassSearchParamVisitor(object):
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"""Visitor that travels within a cms.Sequence, looks for a parameter and returns a list of modules that have it"""
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def __init__(self,paramName,paramSearch):
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self._paramName = paramName
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self._paramSearch = paramSearch
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self._modules = []
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def enter(self,visitee):
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if (hasattr(visitee,self._paramName)):
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if getattr(visitee,self._paramName) == self._paramSearch:
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self._modules.append(visitee)
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def leave(self,visitee):
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pass
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def modules(self):
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return self._modules
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def massSearchReplaceParam(sequence,paramName,paramOldValue,paramValue):
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sequence.visit(MassSearchReplaceParamVisitor(paramName,paramOldValue,paramValue))
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def listModules(sequence):
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visitor = GatherAllModulesVisitor()
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sequence.visit(visitor)
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return visitor.modules()
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def massSearchReplaceAnyInputTag(sequence, oldInputTag, newInputTag) :
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"""Replace InputTag oldInputTag with newInputTag, at any level of nesting within PSets, VPSets, VInputTags..."""
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sequence.visit(MassSearchReplaceAnyInputTagVisitor(oldInputTag,newInputTag))
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