llama-stack/llama_stack/apis/datasetio/datasetio.py
2025-03-17 17:08:21 -07:00

54 lines
1.8 KiB
Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
from typing import Any, Dict, List, Optional, Protocol, runtime_checkable
from pydantic import BaseModel
from llama_stack.apis.datasets import Dataset
from llama_stack.schema_utils import json_schema_type, webmethod
@json_schema_type
class IterrowsResponse(BaseModel):
"""
A paginated list of rows from a dataset.
:param data: The rows in the current page.
:param next_start_index: Index into dataset for the first row in the next page. None if there are no more rows.
"""
data: List[Dict[str, Any]]
next_start_index: Optional[int] = None
class DatasetStore(Protocol):
def get_dataset(self, dataset_id: str) -> Dataset: ...
@runtime_checkable
class DatasetIO(Protocol):
# keeping for aligning with inference/safety, but this is not used
dataset_store: DatasetStore
# TODO(xiyan): there's a flakiness here where setting route to "/datasets/" here will not result in proper routing
@webmethod(route="/datasetio/iterrows/{dataset_id:path}", method="GET")
async def iterrows(
self,
dataset_id: str,
start_index: Optional[int] = None,
limit: Optional[int] = None,
) -> IterrowsResponse:
"""Get a paginated list of rows from a dataset. Uses cursor-based pagination.
:param dataset_id: The ID of the dataset to get the rows from.
:param start_index: Index into dataset for the first row to get. Get all rows if None.
:param limit: The number of rows to get.
"""
...
@webmethod(route="/datasetio/append-rows/{dataset_id:path}", method="POST")
async def append_rows(self, dataset_id: str, rows: List[Dict[str, Any]]) -> None: ...