Replace old iterators in python script (ROOT 6.32 compatibility), fixing python scripts

bin/PerfTest.cpp

@@ -59,10 +59,8 @@ int main(int argc, char *argv[]) {
 	}
 
 	RooWorkspace *w = (RooWorkspace*)gDirectory->Get(argv[2]);
-	// w->Print();
 	auto allfuncs = w->allFunctions();
-	auto it =allfuncs.fwdIterator();
-	for (RooAbsArg *a = it.next(); a != 0; a = it.next()) {
+	for (auto *a: allfuncs){
 		auto rrv = dynamic_cast<RooAbsReal*>(a);
 		if (rrv) {
 			rrv->getVal();

python/ModelTools.py

@@ -173,11 +173,9 @@ def doModel(self, justCheckPhysicsModel=False):
         self.physics.doParametersOfInterest()
 
         # set a group attribute on POI variables
-        poiIter = self.out.set("POI").createIterator()
-        poi = poiIter.Next()
-        while poi:
+        pois = self.out.set("POI")
+        for poi in pois:
             self.out.var(poi.GetName()).setAttribute("group_POI", True)
-            poi = poiIter.Next()
         self.physics.preProcessNuisances(self.DC.systs)
         self.doNuisances()
         self.doExtArgs()

python/ShapeTools.py

@@ -439,9 +439,7 @@ def doCombination(self):
             self.out.safe_import(arg, ROOT.RooFit.RecycleConflictNodes())
         if self.options.fixpars:
             pars = self.out.pdf("model_s").getParameters(self.out.obs)
-            iter = pars.createIterator()
-            while True:
-                arg = iter.Next()
+            for arg in pars:
                 if arg == None:
                     break
                 if arg.InheritsFrom("RooRealVar") and arg.GetName() != "r":
@@ -1007,12 +1005,11 @@ def getPdf(self, channel, process, _cache={}):
                     pdfs.Add(self.shape2Pdf(shapeUp, channel, process))
                     pdfs.Add(self.shape2Pdf(shapeDown, channel, process))
                 histpdf = nominalPdf if nominalPdf.InheritsFrom("RooDataHist") else nominalPdf.dataHist()
-                varIter = histpdf.get().createIterator()
-                xvar = varIter.Next()
-                yvar = varIter.Next()
-                if varIter.Next():
+                if histpdf.get().getSize() > 2:
                     raise ValueError("No support for 3+ dimensional histpdfs")
-                elif yvar:
+                elif histpdf.get().getSize() > 1:
+                    xvar = histpdf.get().first()
+                    yvar = histpdf.get().second()
                     rhp = ROOT.FastVerticalInterpHistPdf2D2(
                         "shape%s_%s_%s_morph" % (postFix, channel, process),
                         "",
@@ -1025,6 +1022,7 @@ def getPdf(self, channel, process, _cache={}):
                         qalgo,
                     )
                 else:
+                    xvar = histpdf.get().first()
                     rhp = ROOT.FastVerticalInterpHistPdf2(
                         "shape%s_%s_%s_morph" % (postFix, channel, process),
                         "",
@@ -1332,9 +1330,7 @@ def checkRooAddPdf(self, channel, process, pdf):
 
     def argSetToString(self, argset):
         names = []
-        it = argset.createIterator()
-        while True:
-            arg = it.Next()
+        for arg in argset:
             if not arg:
                 break
             names.append(arg.GetName())

scripts/plot1DScan.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from __future__ import absolute_import
 from __future__ import print_function
 import ROOT

scripts/plotBSMxsBRLimit.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 from __future__ import absolute_import
 from __future__ import print_function
 import HiggsAnalysis.CombinedLimit.util.plotting as plot

scripts/plotLimitGrid.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from __future__ import absolute_import
 from __future__ import print_function
 import HiggsAnalysis.CombinedLimit.util.plotting as plot