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Docs/ API Reference/ Engine/ diff

Engine· method

Engine.diff

lists steps whose parameters changed since the last run

Python

diff(target=None) -> list[dict]

Returns list — one dict per step whose params changed since its last successful run

Parameters#

name	type	default	description
`target`	`str \| Entity \| None`	`None`	one entity by name or instance; `None` diffs every entity

Example#

Python

for change in engine.diff():
    print(change["step_class"], change["current_params"])

Notes#

Compares current parameter values against the param_snapshot stored in the manifest after each successful run. Returns an empty list when nothing changed or there is no prior snapshot. Each dict has entity_name, step_id, step_class, current_params, and old_params.

Parameters#

Example#

Notes#

See also#