use python to build ninja

[smuzaffar]

No description provided.

[smuzaffar]

please test

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_12_0_X/master.

@smuzaffar, @mrodozov, @iarspider can you please review it and eventually sign? Thanks.
@silviodonato, @dpiparo, @qliphy you are the release manager for this.
cms-bot commands are listed here

[cmsbuild]

-1

Failed Tests: UnitTests
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2da867/16353/summary.html
COMMIT: 9819755
CMSSW: CMSSW_12_0_X_2021-06-29-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/7083/16353/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:

• added rootntuple tool definition #7075 @cms-sw: added rootntuple tool definition
• Moving externals towards python3 #7070 @davidlange6: Moving externals towards python3

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2da867/16353/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2da867/16353/git-merge-result

Unit Tests

I found errors in the following unit tests:

---> test test_PixelBaryCentreTool had ERRORS

Comparison Summary

The workflows 140.53 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: 1260 differences found in the comparisons
• DQMHistoTests: Total files compared: 38
• DQMHistoTests: Total histograms compared: 2785711
• DQMHistoTests: Total failures: 3669
• DQMHistoTests: Total nulls: 19
• DQMHistoTests: Total successes: 2782001
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: -45.703 KiB( 37 files compared)
• DQMHistoSizes: changed ( 140.53 ): -44.531 KiB Hcal/DigiRunHarvesting
• DQMHistoSizes: changed ( 140.53 ): -1.172 KiB RPC/DCSInfo
• Checked 160 log files, 37 edm output root files, 38 DQM output files
• TriggerResults: no differences found

[smuzaffar]

+externals

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_12_0_X/master IBs (but tests are reportedly failing). 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)