Just in time Principal updates

[Dr15Jones]

PR description:

Update the Principals' meta data the first time it is used after a new file has been opened (which is the only time the ProductRegistry is allowed to be updated).

PR validation:

Code compiles, framework unit tests pass.

resolves cms-sw/framework-team#1208

[cmsbuild]

cms-bot internal usage

[Dr15Jones]

please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-47602/44104

• There are other open Pull requests which might conflict with changes you have proposed:
  • File DataFormats/Provenance/interface/ProductRegistry.h modified in PR(s): Disable ROOT automatic class parsing during finishSchedule() #46858
  • File FWCore/Framework/src/EventProcessor.cc modified in PR(s): Access PathsAndConsumesOfModules from new signal #47467

[cmsbuild]

A new Pull Request was created by @Dr15Jones for master.

It involves the following packages:

• DataFormats/Provenance (core)
• FWCore/Framework (core)
• FWCore/Integration (core)
• FWCore/Modules (core)
• FWCore/TestProcessor (core)

@Dr15Jones, @makortel, @smuzaffar can you please review it and eventually sign? Thanks.
@makortel, @missirol, @mmusich, @rovere, @wddgit this is something you requested to watch as well.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

-1

Failed Tests: UnitTests
Size: This PR adds an extra 80KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-138c97/44987/summary.html
COMMIT: b914499
CMSSW: CMSSW_15_1_X_2025-03-14-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/47602/44987/install.sh to create a dev area with all the needed externals and cmssw changes.

Unit Tests

I found 5 errors in the following unit tests:

---> test testTauEmbeddingWorkflow2016preVFP had ERRORS
---> test testTauEmbeddingWorkflow2017 had ERRORS
---> test testTauEmbeddingWorkflow2016postVFP had ERRORS
and more ...

Comparison Summary

Summary:

• You potentially removed 1 lines from the logs
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 3927607
• DQMHistoTests: Total failures: 21
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3927566
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 49 files compared)
• Checked 215 log files, 184 edm output root files, 50 DQM output files
• TriggerResults: no differences found