Source code for oumi.datasets.grpo.rlvr_rubric

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# Licensed under the Apache License, Version 2.0 (the "License");
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#     http://www.apache.org/licenses/LICENSE-2.0
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"""RLVR (RL from Verifiable Rewards) dataset with rubric-based evaluation."""

from typing import Any

import pandas as pd
from typing_extensions import override

from oumi.core.datasets import BaseRubricDataset
from oumi.core.registry import register_dataset



[docs]
@register_dataset("oumi-rlvr-rubric")
class RlvrRubricDataset(BaseRubricDataset):
    """Dataset for RLVR training with rubric-based rewards.

    Expects input in rubric format:
        - prompt: str
        - rubrics: list of {name, description, weight}
        - system_prompt: str (optional)
        - metadata: dict (optional)
    """

    default_dataset = "oumi-rlvr-rubric"


[docs]
    @override
    def transform(self, sample: pd.Series) -> dict[str, Any]:
        """Transform the sample into the format expected by GRPO trainer."""
        result: dict[str, Any] = {
            "prompt": sample["prompt"],
            "rubrics": sample["rubrics"],
        }

        if system_prompt := sample.get("system_prompt"):
            result["system_prompt"] = system_prompt

        if metadata := sample.get("metadata"):
            result["metadata"] = metadata

        return result