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Viewing changes to Template/NLO/Utilities/VetoPrefactors/virt_reweighter.py

  • Committer: olivier-mattelaer
  • Date: 2021-02-21 11:03:42 UTC
  • mfrom: (50.85.73 madgraph5)
  • Revision ID: olivier-mattelaer-20210221110342-wn2nvdefctey5e0k
merge up to 2.8.0 --not python3 compatible

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Template/NLO/Utilities/VetoPrefactors/virt_reweighter.py
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#
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################################################################################
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from __future__ import absolute_import
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import os
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import re
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import subprocess
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# Detect the total number of event in an efficient way
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n_evts = int(subprocess.Popen('grep -rin "<event>" %s | wc -l'%os.path.realpath(eventFile),
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                        stdout=subprocess.PIPE, shell=True).communicate()[0])
 
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                              stdout=subprocess.PIPE, shell=True).communicate()[0].decode())
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logging.info("Writing out the reweighted event file on\n   %s"%outPath)
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# Write out the output event file