Fix how empty FileInPaths are handled in python

[Dr15Jones]

PR description:

• set a default value in python
• have the cfi generator still add the default blank string

PR validation:

Unit tests pass.

[Dr15Jones]

urgent

[Dr15Jones]

please test

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-44362/39407

• This PR adds an extra 36KB to repository

[cmsbuild]

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

It involves the following packages:

• FWCore/ParameterSet (core)

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

cms-bot commands are listed here

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-44362/39408

• This PR adds an extra 36KB to repository

[cmsbuild]

Pull request #44362 was updated. @cmsbuild, @makortel, @Dr15Jones, @smuzaffar can you please check and sign again.

[Martin-Grunewald]

ping bot

[Martin-Grunewald]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4565c2/38024/summary.html
COMMIT: 4f6cf22
CMSSW: CMSSW_14_1_X_2024-03-10-0000/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/44362/38024/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 19194 lines to the logs
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 1
• DQMHistoTests: Total histograms compared: 0
• DQMHistoTests: Total failures: 0
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 0
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0 KiB( 0 files compared)
• Checked 66 log files, 0 edm output root files, 1 DQM output files

[Dr15Jones]

core +1

[Dr15Jones]

+core

Doing this to give anyone in Europe a head start to integrate this

[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. @antoniovilela, @rappoccio, @sextonkennedy (and backports should be raised in the release meeting by the corresponding L2)

[antoniovilela]

+1