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executable file 79 lines (69 sloc) 2.495 kB
#!/usr/bin/env python
import sys
from optparse import OptionParser
import os
import re
def fatal():
print "Incorrect arguments"
sys.exit(1)
parser = OptionParser()
options, args = parser.parse_args()
import ROOT
from rootpy.common import getTrees
if len(args) == 1:
file = ROOT.TFile.Open(args[0])
trees = getTrees(file)
for tree in trees:
print "%s (%i entries)"%(tree.GetName(),tree.GetEntries())
friends = tree.GetListOfFriends()
if len(friends)>0:
print "\tfriends:"
for friend in friends:
path = friend.GetTitle()
if os.path.exists(path):
file2 = ROOT.TFile.Open(path)
friendTree = file2.Get(friend.GetTreeName())
print "\t%s (%i entries) in %s"%(friend.GetTreeName(),friendTree.GetEntries(),path)
else:
print "\t%s in %s %s"%(friend.GetTreeName(),path,"(file does not exist!)")
file.Close()
elif len(args) == 2:
pattern = re.compile('^[\S]+ unfriend$')
if not re.match(pattern," ".join(args)):
fatal()
file = ROOT.TFile.Open(args[0],"update")
trees = getTrees(file)
for tree in trees:
for friend in tree.GetListOfFriends():
friendFile = ROOT.TFile.Open(friend.GetTitle())
friendTree = friendFile.Get(friend.GetTreeName())
print "removing friend"
tree.RemoveFriend(friendTree)
friendFile.Close()
file.cd()
tree.Write("",ROOT.TObject.kOverwrite)
file.Close()
elif len(args) == 3:
pattern = re.compile('^[\S]+ with [\S]+$')
if not re.match(pattern," ".join(args)):
fatal()
file1 = ROOT.TFile.Open(args[0],"update")
file2 = ROOT.TFile.Open(args[2])
trees = getTrees(file1)
for tree in trees:
friends = [(friend.GetTreeName(),friend.GetTitle()) for friend in tree.GetListOfFriends()]
if (tree.GetName(),args[2]) in friends:
print "tree %s in %s is already a friend, skipping..."%(tree.GetName(),args[2])
continue
refTree = file2.Get(tree.GetName())
if refTree:
tree.AddFriend(tree.GetName(),args[2])
print "adding friend tree %s in %s"%(tree.GetName(),args[2])
file1.cd()
tree.Write("",ROOT.TObject.kOverwrite)
else:
print "Warning: tree %s not found in %s"%(tree.GetName(),args[2])
file1.Close()
file2.Close()
else:
fatal()
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