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from abc import ABC, abstractmethod
from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
import httpx
from litellm.types.rerank import OptionalRerankParams, RerankResponse
from ..chat.transformation import BaseLLMException
if TYPE_CHECKING:
from litellm.litellm_core_utils.litellm_logging import Logging as _LiteLLMLoggingObj
LiteLLMLoggingObj = _LiteLLMLoggingObj
else:
LiteLLMLoggingObj = Any
class BaseRerankConfig(ABC):
@abstractmethod
def validate_environment(
self,
headers: dict,
model: str,
api_key: Optional[str] = None,
) -> dict:
pass
@abstractmethod
def transform_rerank_request(
self,
model: str,
optional_rerank_params: OptionalRerankParams,
headers: dict,
) -> dict:
return {}
@abstractmethod
def transform_rerank_response(
self,
model: str,
raw_response: httpx.Response,
model_response: RerankResponse,
logging_obj: LiteLLMLoggingObj,
api_key: Optional[str] = None,
request_data: dict = {},
optional_params: dict = {},
litellm_params: dict = {},
) -> RerankResponse:
return model_response
@abstractmethod
def get_complete_url(self, api_base: Optional[str], model: str) -> str:
"""
OPTIONAL
Get the complete url for the request
Some providers need `model` in `api_base`
"""
return api_base or ""
@abstractmethod
def get_supported_cohere_rerank_params(self, model: str) -> list:
pass
@abstractmethod
def map_cohere_rerank_params(
self,
non_default_params: Optional[dict],
model: str,
drop_params: bool,
query: str,
documents: List[Union[str, Dict[str, Any]]],
custom_llm_provider: Optional[str] = None,
top_n: Optional[int] = None,
rank_fields: Optional[List[str]] = None,
return_documents: Optional[bool] = True,
max_chunks_per_doc: Optional[int] = None,
) -> OptionalRerankParams:
pass
@abstractmethod
def get_error_class(
self, error_message: str, status_code: int, headers: Union[dict, httpx.Headers]
) -> BaseLLMException:
pass
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