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Replace GuidedDecodingParams with StructuredOutputsParams in sampling parameter configuration #4797

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Merged
qgallouedec merged 1 commit into from
Jan 9, 2026
Merged

Replace GuidedDecodingParams with StructuredOutputsParams in sampling parameter configuration #4797

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8 changes: 4 additions & 4 deletions trl/experimental/openenv/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@

if is_vllm_available():
from vllm import SamplingParams
from vllm.sampling_params import GuidedDecodingParams
from vllm.sampling_params import StructuredOutputsParams


def _build_colocate_sampling_params(
Expand All @@ -33,17 +33,17 @@ def _build_colocate_sampling_params(
logprobs: bool = True,
) -> SamplingParams:
if trainer.structured_outputs_regex:
guided_decoding = GuidedDecodingParams(regex=trainer.structured_outputs_regex)
structured_outputs = StructuredOutputsParams(regex=trainer.structured_outputs_regex)
else:
guided_decoding = None
structured_outputs = None

generation_kwargs: dict[str, Any] = {
"n": 1,
"temperature": trainer.temperature,
"top_k": trainer.top_k,
"min_p": 0.0 if trainer.min_p is None else trainer.min_p,
"max_tokens": trainer.max_completion_length,
"guided_decoding": guided_decoding,
"structured_outputs": structured_outputs,
}
if trainer.repetition_penalty is not None:
generation_kwargs["repetition_penalty"] = trainer.repetition_penalty
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