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executable file
·35 lines (31 loc) · 1.27 KB
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#!/usr/bin/env python
from rootpy.extern.argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument('-t', '--tree')
parser.add_argument('-r', '--rename', default=None)
parser.add_argument('-u', '--unique', action='store_true', default=False)
parser.add_argument('-n', '--entries', type=int, default=1)
parser.add_argument('infile')
parser.add_argument('outfile')
args = parser.parse_args()
from rootpy.io import root_open as ropen
from rootpy.tree import Tree, TreeBuffer
with ropen(args.infile, 'read') as inf:
intree = inf.Get(args.tree)
with ropen(args.outfile, 'recreate') as outf:
outtree = Tree(name=intree.name if args.rename is None else args.rename)
outbuffer = intree.buffer
if args.unique:
unique_buffer = TreeBuffer()
unique_types = {}
for name, obj in outbuffer.items():
type_name = obj.__class__.__name__
if type_name not in unique_types:
unique_types[type_name] = name
unique_buffer[name] = obj
outbuffer = unique_buffer
outtree.set_buffer(outbuffer, create_branches=True)
for entry in xrange(args.entries):
intree.GetEntry(entry)
outtree.Fill()
outtree.Write()