Utilities/StaticAnalyzers: use python3 in scripts

[gartung]

Update scripts to use python3 so scripts can find packages, for example lxml for BeautifulSoup in postprocess-scan-build.py

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-33813/22808

• This PR adds an extra 16KB to repository

[cmsbuild]

A new Pull Request was created by @gartung (Patrick Gartung) for master.

It involves the following packages:

Utilities/StaticAnalyzers

@makortel, @smuzaffar, @cmsbuild, @Dr15Jones can you please review it and eventually sign? Thanks.
@makortel, @wddgit 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

[gartung]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a1a114/15241/summary.html
COMMIT: f77adc9
CMSSW: CMSSW_12_0_X_2021-05-20-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/33813/15241/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:

• RPC-validation migration to use ESGetToken #33785 @jhgoh: RPC-validation migration to use ESGetToken
• Add init values for struct members to silence Arm warning #33742 @mrodozov: Add init values for struct members to silence Arm warning
• RPC DQM migration to use ESGetToken #33787 @jhgoh: RPC DQM migration to use ESGetToken
• DTDQM migration to ESConsumes #33745 @jfernan2: DTDQM migration to ESConsumes
• DQMOffline/Hcal : finalizing migration to ESGetToken  #33796 @abdoulline: DQMOffline/Hcal : finalizing migration to ESGetToken

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a1a114/15241/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a1a114/15241/git-merge-result

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 37
• DQMHistoTests: Total histograms compared: 2650486
• DQMHistoTests: Total failures: 7
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2650457
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 36 files compared)
• Checked 155 log files, 37 edm output root files, 37 DQM output files
• TriggerResults: no differences found

[jfernan2]

+1

[makortel]

+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