[ALCA] Update all the scripts to use python3

[smuzaffar]

Cleanup python2 usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-37109/28604

• This PR adds an extra 96KB to repository

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for master.

It involves the following packages:

• Alignment/CommonAlignment (alca)
• Alignment/CommonAlignmentProducer (alca)
• Alignment/HIPAlignmentAlgorithm (alca)
• Alignment/MuonAlignmentAlgorithms (alca)
• Alignment/OfflineValidation (alca)
• Alignment/TrackerAlignment (alca)
• CalibMuon/DTCalibration (alca)
• Calibration/Tools (alca)

@cmsbuild, @malbouis, @tvami, @yuanchao, @francescobrivio can you please review it and eventually sign? Thanks.
@pakhotin, @adewit, @abbiendi, @jhgoh, @tocheng, @CeliaFernandez, @tlampen, @battibass, @mmusich, @trocino 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

[tvami]

@cmsbuild , please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-b356ff/22750/summary.html
COMMIT: e505729
CMSSW: CMSSW_12_3_X_2022-03-01-1100/slc7_amd64_gcc10
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/37109/22750/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

The workflows 1001.0, 1000.0, 136.88811, 136.874, 136.8311, 136.793, 136.7611, 136.731, 4.22 have different files in step1_dasquery.log than the ones found in the baseline. You may want to check and retrigger the tests if necessary. You can check it in the "files" directory in the results of the comparisons

Summary:

• No significant changes to the logs found
• Reco comparison results: 11 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 4000857
• DQMHistoTests: Total failures: 19
• DQMHistoTests: Total nulls: 1
• DQMHistoTests: Total successes: 4000815
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: -0.004 KiB( 48 files compared)
• DQMHistoSizes: changed ( 312.0 ): -0.004 KiB MessageLogger/Warnings
• Checked 204 log files, 45 edm output root files, 49 DQM output files
• TriggerResults: no differences found

[tvami]

+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)

[qliphy]

+1