2023-06-16 20:01:16 +08:00
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import json
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import datasets
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_DESCRIPTION = "BELLE multiturn chat dataset."
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_CITATION = """\
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@article{belle2023exploring,
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title={Exploring the Impact of Instruction Data Scaling on Large Language Models: An Empirical Study on Real-World Use Cases},
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author={Yunjie Ji, Yong Deng, Yan Gong, Yiping Peng, Qiang Niu, Lei Zhang, Baochang Ma, Xiangang Li},
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journal={arXiv preprint arXiv:2303.14742},
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year={2023}
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}
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"""
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_HOMEPAGE = "https://huggingface.co/datasets/BelleGroup/multiturn_chat_0.8M"
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_LICENSE = "gpl-3.0"
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_URL = "https://huggingface.co/datasets/BelleGroup/multiturn_chat_0.8M/resolve/main/multiturn_chat_0.8M.json"
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class BelleMultiturn(datasets.GeneratorBasedBuilder):
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VERSION = datasets.Version("0.0.0")
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2023-11-09 15:53:23 +08:00
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def _info(self):
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2023-06-16 20:01:16 +08:00
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features = datasets.Features({
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"instruction": datasets.Value("string"),
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"output": datasets.Value("string"),
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"history": datasets.Sequence(datasets.Sequence(datasets.Value("string")))
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})
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return datasets.DatasetInfo(
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description=_DESCRIPTION,
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features=features,
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homepage=_HOMEPAGE,
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license=_LICENSE,
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citation=_CITATION
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)
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2023-11-09 15:53:23 +08:00
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def _split_generators(self, dl_manager: datasets.DownloadManager):
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2023-06-16 20:01:16 +08:00
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file_path = dl_manager.download(_URL)
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return [
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datasets.SplitGenerator(
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name=datasets.Split.TRAIN,
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gen_kwargs={
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"filepath": file_path
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}
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)
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]
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2023-11-09 15:53:23 +08:00
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def _generate_examples(self, filepath: str):
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2023-06-16 20:01:16 +08:00
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with open(filepath, "r", encoding="utf-8") as f:
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for key, row in enumerate(f):
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data = json.loads(row)
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prompt = data["instruction"].strip()
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response = data["output"].strip()
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assist_idx = prompt.rfind("Assistant:")
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human_idx = prompt.rfind("Human:")
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query = prompt[human_idx+6:assist_idx].strip()
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prompt = prompt[:human_idx].strip()
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history = []
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while prompt.rfind("Assistant:") != -1:
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assist_idx = prompt.rfind("Assistant:")
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human_idx = prompt.rfind("Human:")
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if human_idx != -1:
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old_query = prompt[human_idx+6:assist_idx].strip()
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old_resp = prompt[assist_idx+10:].strip()
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history.insert(0, (old_query, old_resp))
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else:
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break
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prompt = prompt[:human_idx].strip()
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yield key, {
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"instruction": query,
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"output": response,
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"history": history
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}
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