llama-stack/llama_stack/apis/datasets/datasets.py
2025-03-11 14:56:12 -07:00

106 lines
3.2 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 enum import Enum
from typing import Any, Dict, List, Literal, Optional, Protocol
from pydantic import BaseModel, Field
from llama_stack.apis.resource import Resource, ResourceType
from llama_stack.schema_utils import json_schema_type, webmethod
@json_schema_type
class Schema(Enum):
"""
Schema of the dataset. Each type has a different column format.
:cvar jsonl_messages: The dataset is a JSONL file with messages. Examples:
{
"messages": [
{"role": "user", "content": "Hello, world!"},
{"role": "assistant", "content": "Hello, world!"},
]
}
"""
jsonl_messages = "jsonl_messages"
# TODO: add more schemas here
class CommonDatasetFields(BaseModel):
schema: Schema
uri: str
metadata: Dict[str, Any] = Field(
default_factory=dict,
description="Any additional metadata for this dataset",
)
@json_schema_type
class Dataset(CommonDatasetFields, Resource):
type: Literal[ResourceType.dataset.value] = ResourceType.dataset.value
@property
def dataset_id(self) -> str:
return self.identifier
@property
def provider_dataset_id(self) -> str:
return self.provider_resource_id
class DatasetInput(CommonDatasetFields, BaseModel):
dataset_id: str
provider_id: Optional[str] = None
provider_dataset_id: Optional[str] = None
class ListDatasetsResponse(BaseModel):
data: List[Dataset]
class Datasets(Protocol):
@webmethod(route="/datasets", method="POST")
async def register_dataset(
self,
schema: Schema,
uri: str,
uri_params: Optional[Dict[str, Any]] = None,
metadata: Optional[Dict[str, Any]] = None,
dataset_id: Optional[str] = None,
) -> Dataset:
"""
Register a new dataset through a file or
:param schema: The schema format of the dataset. One of
- jsonl_messages: The dataset is a JSONL file with messages in column format
:param uri: The URI of the dataset. Examples:
- file://mydata.jsonl
- s3://mybucket/myfile.jsonl
- https://mywebsite.com/myfile.jsonl
- huggingface://tatsu-lab/alpaca
:param uri_params: The parameters for the URI.
- E.g. If URL is a huggingface dataset, parameters could be uri_params={"split": "train"}
:param metadata: The metadata for the dataset.
- E.g. {"description": "My dataset"}
:param dataset_id: The ID of the dataset. If not provided, a random ID will be generated.
"""
...
@webmethod(route="/datasets/{dataset_id:path}", method="GET")
async def get_dataset(
self,
dataset_id: str,
) -> Optional[Dataset]: ...
@webmethod(route="/datasets", method="GET")
async def list_datasets(self) -> ListDatasetsResponse: ...
@webmethod(route="/datasets/{dataset_id:path}", method="DELETE")
async def unregister_dataset(
self,
dataset_id: str,
) -> None: ...