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"""
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Copyright (c) 2022, salesforce.com, inc.
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All rights reserved.
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SPDX-License-Identifier: BSD-3-Clause
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For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
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"""
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from lavis.datasets.builders.base_dataset_builder import load_dataset_config
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from lavis.datasets.builders.caption_builder import (
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COCOCapBuilder,
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)
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from lavis.common.registry import registry
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__all__ = [
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"COCOCapBuilder",
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]
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def load_dataset(name, cfg_path=None, vis_path=None, data_type=None):
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"""
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Example
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>>> dataset = load_dataset("coco_caption", cfg=None)
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>>> splits = dataset.keys()
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>>> print([len(dataset[split]) for split in splits])
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"""
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if cfg_path is None:
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cfg = None
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else:
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cfg = load_dataset_config(cfg_path)
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try:
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builder = registry.get_builder_class(name)(cfg)
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except TypeError:
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print(
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f"Dataset {name} not found. Available datasets:\n"
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+ ", ".join([str(k) for k in dataset_zoo.get_names()])
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)
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exit(1)
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if vis_path is not None:
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if data_type is None:
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data_type = builder.config.data_type
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assert (
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data_type in builder.config.build_info
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), f"Invalid data_type {data_type} for {name}."
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builder.config.build_info.get(data_type).storage = vis_path
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dataset = builder.build_datasets()
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return dataset
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class DatasetZoo:
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def __init__(self) -> None:
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self.dataset_zoo = {
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k: list(v.DATASET_CONFIG_DICT.keys())
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for k, v in sorted(registry.mapping["builder_name_mapping"].items())
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}
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def get_names(self):
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return list(self.dataset_zoo.keys())
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dataset_zoo = DatasetZoo()
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