ZhAgent/apps/models_provider/impl/volcanic_engine_model_provider/model/embedding.py

from typing import Dict, List

from models_provider.base_model_provider import MaxKBBaseModel
from volcenginesdkarkruntime import Ark


class VolcanicEngineEmbeddingModel(MaxKBBaseModel):
    api_key: str
    model_name: str
    api_base: str
    params: Dict[str, object]

    def __init__(self, api_key: str, model: str, api_base: str, params: Dict[str, object] = None):
        self.client = Ark(
            api_key=api_key,
            base_url=api_base
        )
        self.model_name = model
        self.params = params

    @staticmethod
    def is_cache_model():
        return False

    @staticmethod
    def new_instance(model_type, model_name, model_credential: Dict[str, object], **model_kwargs):
        optional_params = MaxKBBaseModel.filter_optional_params(model_kwargs)
        return VolcanicEngineEmbeddingModel(
            api_key=model_credential.get("api_key"),
            model=model_name,
            api_base=model_credential.get("api_base"),
            **optional_params
        )

    def embed_query(self, text: str):
        res = self.embed_documents([text])
        return res[0]

    def embed_documents(
            self, texts: List[str], chunk_size: int | None = None
    ) -> List[List[float]]:
        if self.model_name.startswith("doubao-embedding-vision-"):
            multimodal_inputs = []
            for text in texts:
                multimodal_inputs.append({
                    "type": "text",
                    "text": text
                })
            resp = self.client.multimodal_embeddings.create(
                model=self.model_name,
                input=multimodal_inputs,
                **(self.params or {})
            )
            return [resp.data.get('embedding')]
        else:
            resp = self.client.embeddings.create(
                model=self.model_name,
                input=texts,
                **(self.params or {})
            )
            return [e.embedding for e in resp.data]