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b95cb5308f
* migrate dataset to resource * remove auto discovery * remove listing of providers's datasets * fix after rebase --------- Co-authored-by: Dinesh Yeduguru <dineshyv@fb.com>
78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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from typing import Optional
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from llama_stack.apis.datasetio import * # noqa: F403
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import datasets as hf_datasets
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from llama_stack.providers.datatypes import DatasetsProtocolPrivate
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from llama_stack.providers.utils.datasetio.url_utils import get_dataframe_from_url
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from .config import HuggingfaceDatasetIOConfig
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def load_hf_dataset(dataset_def: Dataset):
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if dataset_def.metadata.get("path", None):
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return hf_datasets.load_dataset(**dataset_def.metadata)
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df = get_dataframe_from_url(dataset_def.url)
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if df is None:
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raise ValueError(f"Failed to load dataset from {dataset_def.url}")
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dataset = hf_datasets.Dataset.from_pandas(df)
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return dataset
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class HuggingfaceDatasetIOImpl(DatasetIO, DatasetsProtocolPrivate):
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def __init__(self, config: HuggingfaceDatasetIOConfig) -> None:
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self.config = config
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# local registry for keeping track of datasets within the provider
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self.dataset_infos = {}
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async def initialize(self) -> None:
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pass
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async def shutdown(self) -> None: ...
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async def register_dataset(
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self,
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dataset_def: Dataset,
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) -> None:
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self.dataset_infos[dataset_def.identifier] = dataset_def
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async def get_rows_paginated(
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self,
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dataset_id: str,
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rows_in_page: int,
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page_token: Optional[str] = None,
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filter_condition: Optional[str] = None,
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) -> PaginatedRowsResult:
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dataset_def = self.dataset_infos[dataset_id]
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loaded_dataset = load_hf_dataset(dataset_def)
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if page_token and not page_token.isnumeric():
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raise ValueError("Invalid page_token")
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if page_token is None or len(page_token) == 0:
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next_page_token = 0
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else:
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next_page_token = int(page_token)
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start = next_page_token
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if rows_in_page == -1:
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end = len(loaded_dataset)
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else:
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end = min(start + rows_in_page, len(loaded_dataset))
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rows = [loaded_dataset[i] for i in range(start, end)]
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return PaginatedRowsResult(
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rows=rows,
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total_count=len(rows),
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next_page_token=str(end),
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)
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