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[Feature] Enable overwriting experiment config on reload #228

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Merged
matteobettini merged 3 commits into from
Oct 12, 2025
Merged

[Feature] Enable overwriting experiment config on reload #228

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b33fbac
restore_map_location
Xmaster6y Oct 5, 2025
d42c459
flexible patch
Xmaster6y Oct 5, 2025
8586ca1
don't patch save_folder
Xmaster6y Oct 6, 2025
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11 changes: 10 additions & 1 deletion benchmarl/experiment/experiment.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1006,7 +1006,9 @@ def _load_experiment(self) -> Experiment:
return self

@staticmethod
def reload_from_file(restore_file: str) -> Experiment:
def reload_from_file(
restore_file: str, experiment_patch: Optional[Dict[str, Any]] = None
) -> Experiment:
"""
Restores the experiment from the checkpoint file.

Expand All @@ -1016,6 +1018,7 @@ def reload_from_file(restore_file: str) -> Experiment:

Args:
restore_file (str): The checkpoint file (.pt) of the experiment reload.
experiment_patch (Optional[Dict[str, Any]]): The patch to apply to the experiment config.

Returns:
The reloaded experiment.
Expand All @@ -1035,7 +1038,13 @@ def reload_from_file(restore_file: str) -> Experiment:
critic_model_config = pickle.load(f)
callbacks = pickle.load(f)
task.config = task_config
experiment_config.save_folder = experiment_folder.parent
experiment_config.restore_file = restore_file
if experiment_patch is not None:
for key, value in experiment_patch.items():
if not hasattr(experiment_config, key):
raise ValueError(f"Experiment config does not have attribute {key}")
setattr(experiment_config, key, value)
experiment = Experiment(
task=task,
algorithm_config=algorithm_config,
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