Add python3 compatibility for RelMon

[kskovpen]

PR description:

Together with #36119 makes RelMon fully functional in 12_2_X.

PR validation:

Tests of ValidationMatrix on the relevant DQMIO files.

if this PR is a backport please specify the original PR and why you need to backport that PR:

Not a backport.

[kskovpen]

assign pdmv

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-36199/26793

• This PR adds an extra 24KB to repository

[cmsbuild]

New categories assigned: pdmv

@bbilin,@wajidalikhan,@jordan-martins,@kskovpen you have been requested to review this Pull request/Issue and eventually sign? Thanks

[cmsbuild]

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

It involves the following packages:

• Utilities/RelMon (dqm)

@jordan-martins, @bbilin, @wajidalikhan, @emanueleusai, @ahmad3213, @cmsbuild, @jfernan2, @kskovpen, @pmandrik, @pbo0, @rvenditti can you please review it and eventually sign? Thanks.
@fabiocos, @wddgit this is something you requested to watch as well.
@perrotta, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

[kskovpen]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fb5ddf/20653/summary.html
COMMIT: 027f7b0
CMSSW: CMSSW_12_2_X_2021-11-21-0000/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/36199/20653/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @zuoxunwu Add online DQM plots for Run 3 L1T shower trigger #36128
• @bsunanda Run3-alca211A Minor changes in the cfg's used for isotrack calibration of HCAL in Calibration/HcalCalibAlgos #36181
• @mmusich Remove deprecation warnings from Alignment subsystem #36193
• @dan131riley add dependency for DQM/EcalMonitorTasks on DataFormats/Scalers for UBSAN #36191
• @mmusich Modernize CondTools/HLT and add unit tests #36187
• @sroychow TkDQM: Introduce monitoring package for pixel SoA products #35965

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fb5ddf/20653/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fb5ddf/20653/git-merge-result

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 42
• DQMHistoTests: Total histograms compared: 3247021
• DQMHistoTests: Total failures: 0
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3246999
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 41 files compared)
• Checked 177 log files, 37 edm output root files, 42 DQM output files
• TriggerResults: no differences found

[kskovpen]

+1

[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. @perrotta, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[perrotta]

+1