# utils.data.sft – Axolotl

# utils.data.sft

`utils.data.sft`

Data handling specific to SFT.

## Functions

Name | Description
--- | ---
prepare_datasets | Prepare training and evaluation datasets based on configuration.

### prepare_datasets

    utils.data.sft.prepare_datasets(
        cfg,
        tokenizer,
        processor=None,
        preprocess_iterable=False,
    )

Prepare training and evaluation datasets based on configuration.

#### Parameters

Name | Type | Description | Default
--- | --- | --- | ---
cfg | DictDefault | Dictionary mapping `axolotl` config keys to values. | required
tokenizer | PreTrainedTokenizer | Tokenizer to use for processing text. | required
processor | ProcessorMixin | None | Optional processor for multimodal datasets. | `None`
preprocess_iterable | bool | Whether to use iterable preprocessing. | `False`

#### Returns

Name | Type | Description
--- | --- | ---
| tuple[IterableDataset | Dataset, Dataset | None, int, list[Prompter | None]] | Tuple of (train_dataset, eval_dataset, total_steps, prompters).