Provenance

Provenance

Every install of sysml2py records exactly which inputs produced the wheel. This is what makes the generated library reproducible: you can always answer "which grammar, spec, relationship model, and corpus built this?"

Reading it

from sysml2py import provenance
print(provenance.PROVENANCE)

{'grammar_sha256': '...', 'spec_sha256': '...',
 'children_sha256': '...', 'modifiers_sha256': '...',
 'corpus_manifest_sha256': '...', 'generator_version': '1.0.0'}

What each field means

Field	What it pins
grammar_sha256	The SysML v2 grammar the AST classes were generated from
spec_sha256	The machine-readable language spec / relationship model
children_sha256	The relationship model's child-element rules
modifiers_sha256	The modifier rules per element kind
corpus_manifest_sha256	The corpus manifest of validated example models
generator_version	The sysml2py-lab version that did the generation

Why this matters

Because the library is generated rather than hand-written, its behavior is fully a function of these inputs. Two wheels with the same provenance values were produced from the same inputs — nothing hidden, nothing hand-patched. If you ever need to reproduce a model's rendering, the provenance tells you exactly which generation inputs to check out.