NANO: add scripts/haddnano.py

[mariadalfonso]

This is used to merge different nano files in Prost-processing.
Not used in nano production only at analysis level.

I will backport to 10_6

[mariadalfonso]

please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-36277/26970

• This PR adds an extra 12KB to repository

[cmsbuild]

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

It involves the following packages:

• PhysicsTools/NanoAOD (xpog)

@mariadalfonso, @gouskos, @fgolf can you please review it and eventually sign? Thanks.
@gpetruc, @swertz 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

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-639bda/20824/summary.html
COMMIT: 1f1bb72
CMSSW: CMSSW_12_2_X_2021-11-28-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/36277/20824/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: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 42
• DQMHistoTests: Total histograms compared: 3247873
• DQMHistoTests: Total failures: 6
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3247845
• 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

[mariadalfonso]

+xpog

(no changes as expected)

[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