MG LO GP python2 fix

Restores python2 compatibility for MG5_aMC 2.9.3+. No longer use "bin/run.sh" wrapper script (which calls ./bin/gridrun) but directly use "python bin/gridrun" and perform environment setup and moving of events in python.

WARNING: big files (>100K) are found in the changeset

116K in file Generators/MadGraphControl/python/MadGraphUtils.py

This merge request affects 1 package:

• Generators/MadGraphControl

This merge request affects 1 file:

• Generators/MadGraphControl/python/MadGraphUtils.py

Adding @zmarshal as watcher

added 21.6 Generators review-pending-level-1 labels

CI Result SUCCESS (hash 28ffd21c)

	AthGeneration
externals
cmake
make
required tests
optional tests

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AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-GCC62-CC7 838]

added 1 commit

• 0e484db5 - added export library path to MADGRAPH_COMMAND_STACK

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WARNING: big files (>100K) are found in the changeset

116K in file Generators/MadGraphControl/python/MadGraphUtils.py

This merge request affects 1 package:

• Generators/MadGraphControl

This merge request affects 1 file:

• Generators/MadGraphControl/python/MadGraphUtils.py

Adding @zmarshal as watcher

resolved all threads

CI Result SUCCESS (hash 0e484db5)

	AthGeneration
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
AthGeneration: number of compilation errors 0, warnings 3
For experts only: Jenkins output [CI-MERGE-REQUEST-GCC62-CC7 839]

Changes and CI look fine. Warnings are all unrelated to this MR (I actually don't know why they didn't appear in the first CI). Approving.

Kira (L1)

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 6005e0e2

added sweep:ignore label