[DQM] Move to python3 all scripts in DQMServices

[jfernan2]

PR description:

Since CMSSW_12_0_X_2021-07-06-0300 DQM Bin By Bin tool is crashing in Jenkins tests. It looks like Jenkins test is already using python3.
This PR is urgently needed to put back the Bin By Bin tool

[jfernan2]

urgent

[jfernan2]

+1

[jfernan2]

please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-34374/23757

• This PR adds an extra 60KB to repository

[cmsbuild]

A new Pull Request was created by @jfernan2 for master.

It involves the following packages:

DQMServices/Components
DQMServices/Demo
DQMServices/FileIO
DQMServices/StreamerIO

can you please review it and eventually sign? Thanks.
@barvic this is something you requested to watch as well.
@silviodonato, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-34374/23759

• This PR adds an extra 60KB to repository

[cmsbuild]

Pull request #34374 was updated. @andrius-k, @kmaeshima, @ErnestaP, @ahmad3213, @cmsbuild, @jfernan2, @rvenditti can you please check and sign again.

[jfernan2]

please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-34374/23760

• This PR adds an extra 64KB to repository

[cmsbuild]

Pull request #34374 was updated. @andrius-k, @kmaeshima, @ErnestaP, @ahmad3213, @jfernan2, @rvenditti can you please check and sign again.

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-27b877/16538/summary.html
COMMIT: 4205514
CMSSW: CMSSW_12_0_X_2021-07-06-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/34374/16538/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 3 differences found in the comparisons
• DQMHistoTests: Total files compared: 38
• DQMHistoTests: Total histograms compared: 2785924
• DQMHistoTests: Total failures: 6
• DQMHistoTests: Total nulls: 1
• DQMHistoTests: Total successes: 2785895
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.004 KiB( 37 files compared)
• DQMHistoSizes: changed ( 312.0 ): 0.004 KiB MessageLogger/Warnings
• Checked 160 log files, 37 edm output root files, 38 DQM output files
• TriggerResults: no differences found

[jfernan2]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[qliphy]

+1

[smuzaffar]

@jfernan2 , looks like DQM bin by bin comparison still failing

• https://cmssdt.cern.ch/SDT/jenkins-artifacts/baseLineComparisons/CMSSW_12_0_X_2021-07-07-2300+31e7d3/43925/dqm-histo-comparison-summary.html
• https://cmssdt.cern.ch/SDT/jenkins-artifacts/baseLineComparisons/CMSSW_12_0_X_2021-07-07-2300+31e7d3/43925/dqmBinByBinLog.log

Running comparison:
compareHistograms.py -b CMSSW_12_0_X_2021-07-07-2300/1000.0_RunMinBias2011A+RunMinBias2011A+TIER0+SKIMD+HARVESTDfst2+ALCASPLIT/DQM_V0001_R000165121__Global__CMSSW_X_Y_Z__RECO.root -p PR-31e7d3/1000.0_RunMinBias2011A+RunMinBias2011A+TIER0+SKIMD+HARVESTDfst2+ALCASPLIT/DQM_V0001_R000165121__Global__CMSSW_X_Y_Z__RECO.root -o dqm-comparison/dqmComparisonOutput/ -n cmssw_34401 -t 16609 -r CMSSW_12_0_X_2021-07-07-2300
Exception comparing two root files: a bytes-like object is required, not 'str'
Exception comparing two root files: a bytes-like object is required, not 'str'

can you please test

[jfernan2]

Thanks @smuzaffar
I have created #34411

[mmusich]

was this ever tested after migration, see https://cms-talk.web.cern.ch/t/dqm-access-script-is-broken-in-recent-cmssw-releases/22637 ?