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from typing import List, Optional, Union
import httpx
from litellm.llms.base_llm.chat.transformation import AllMessageValues, BaseLLMException
from litellm.llms.base_llm.embedding.transformation import (
BaseEmbeddingConfig,
LiteLLMLoggingObj,
)
from litellm.types.llms.openai import AllEmbeddingInputValues
from litellm.types.utils import EmbeddingResponse
from ..common_utils import TritonError
class TritonEmbeddingConfig(BaseEmbeddingConfig):
"""
Transformations for triton /embeddings endpoint (This is a trtllm model)
"""
def __init__(self) -> None:
pass
def get_supported_openai_params(self, model: str) -> list:
return []
def map_openai_params(
self,
non_default_params: dict,
optional_params: dict,
model: str,
drop_params: bool,
) -> dict:
"""
Map OpenAI params to Triton Embedding params
"""
return optional_params
def validate_environment(
self,
headers: dict,
model: str,
messages: List[AllMessageValues],
optional_params: dict,
api_key: Optional[str] = None,
api_base: Optional[str] = None,
) -> dict:
return {}
def transform_embedding_request(
self,
model: str,
input: AllEmbeddingInputValues,
optional_params: dict,
headers: dict,
) -> dict:
return {
"inputs": [
{
"name": "input_text",
"shape": [len(input)],
"datatype": "BYTES",
"data": input,
}
]
}
def transform_embedding_response(
self,
model: str,
raw_response: httpx.Response,
model_response: EmbeddingResponse,
logging_obj: LiteLLMLoggingObj,
api_key: Optional[str] = None,
request_data: dict = {},
optional_params: dict = {},
litellm_params: dict = {},
) -> EmbeddingResponse:
try:
raw_response_json = raw_response.json()
except Exception:
raise TritonError(
message=raw_response.text, status_code=raw_response.status_code
)
_embedding_output = []
_outputs = raw_response_json["outputs"]
for output in _outputs:
_shape = output["shape"]
_data = output["data"]
_split_output_data = self.split_embedding_by_shape(_data, _shape)
for idx, embedding in enumerate(_split_output_data):
_embedding_output.append(
{
"object": "embedding",
"index": idx,
"embedding": embedding,
}
)
model_response.model = raw_response_json.get("model_name", "None")
model_response.data = _embedding_output
return model_response
def get_error_class(
self, error_message: str, status_code: int, headers: Union[dict, httpx.Headers]
) -> BaseLLMException:
return TritonError(
message=error_message, status_code=status_code, headers=headers
)
@staticmethod
def split_embedding_by_shape(
data: List[float], shape: List[int]
) -> List[List[float]]:
if len(shape) != 2:
raise ValueError("Shape must be of length 2.")
embedding_size = shape[1]
return [
data[i * embedding_size : (i + 1) * embedding_size] for i in range(shape[0])
]
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