Removed anaCache step

[kandrosov]

• Denominator is now defined at AnaTupleMerge stage
• updated weights naming

[Copilot]

Pull request overview

This pull request removes the anaCache step from the corrections workflow, moving the denominator definition to the AnaTupleMerge stage, and updates weight naming conventions to be more modular and consistent.

Changes:

• Refactored getNormalisationCorrections() to decompose the monolithic weight_MC_Lumi_pu into separate components (weight_lumi, weight_xs, weight_gen, weight_pu_*) that are combined into weight_base
• Added stage-based conditional enabling of pileup corrections with new enabled parameter in puWeightProducer.getWeight()
• Updated weight naming from puWeight_* to weight_pu_* for consistency with other weight naming conventions

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
pu.py	Added enabled and return_list_of_branches parameters to support conditional branch definition and explicit branch tracking; renamed branches from puWeight_* to weight_pu_*
Corrections.py	Decomposed monolithic weight into modular components, added stage-based PU weight enabling, and renamed weights from weight_MC_Lumi_* to weight_base_* for clarity

[Copilot]

When enabled=False, the branch is not defined (line 60-65) but it is still added to shape_weights_dict (line 68-71). This means shape_weights_dict will contain references to undefined branches, which will cause runtime errors when these branches are later accessed in the weight formula calculation in Corrections.py (line 464). Either the branch should always be added to shape_weights_dict regardless of the enabled flag, or the addition to shape_weights_dict should also be conditional on enabled=True.

Suggested change

	key = (source, scale)
	if shape_weights_dict:
	if key not in shape_weights_dict:
	shape_weights_dict[key] = []
	shape_weights_dict[key].append(branch_name)
	if shape_weights_dict:
	key = (source, scale)
	if key not in shape_weights_dict:
	shape_weights_dict[key] = []
	shape_weights_dict[key].append(branch_name)

[Copilot]

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[kandrosov]

tested with cms-flaf/FLAF#215