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Add inputReader for easy re-use
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Zehvogel committed Mar 18, 2024
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39 changes: 39 additions & 0 deletions k4MarlinWrapper/python/k4MarlinWrapper/inputReader.py
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#
# Copyright (c) 2019-2024 Key4hep-Project.
#
# This file is part of Key4hep.
# See https://key4hep.github.io/key4hep-doc/ for further info.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import sys
from Configurables import LcioEvent, PodioInput

def create_reader(input_files, evtSvc):
"""Create the appropriate reader for the input files"""
if input_files[0].endswith(".slcio"):
if any(not f.endswith(".slcio") for f in input_files):
print("All input files need to have the same format (LCIO)")
sys.exit(1)

read = LcioEvent()
read.Files = input_files
else:
if any(not f.endswith(".root") for f in input_files):
print("All input files need to have the same format (EDM4hep)")
sys.exit(1)
read = PodioInput("PodioInput")
evtSvc.inputs = input_files

return read

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