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Ensure --model has to be set when not training from scratch #286

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13 changes: 13 additions & 0 deletions casanovo/denovo/model_runner.py
Original file line number Diff line number Diff line change
Expand Up @@ -256,6 +256,19 @@ def initialize_model(self, train: bool) -> None:
self.config.train_from_scratch,
self.model_filename is None,
)

if (
train
and (not self.config.train_from_scratch)
and (self.model_filename is None)
):
logger.error(
"Training with `train_from_scratch: False` requires an input `--model`."
)
raise ValueError(
"Training with `train_from_scratch: False` requires an input `--model`."
)

if train and any(from_scratch):
self.model = Spec2Pep(**model_params)
return
Expand Down