ZhAgent/apps/models_provider/impl/vllm_model_provider/credential/embedding.py

# coding=utf-8
"""
    @project: MaxKB
    @Author：虎
    @file： embedding.py
    @date：2024/7/12 16:45
    @desc:
"""
from typing import Dict

from django.utils.translation import gettext as _

from common import forms
from common.exception.app_exception import AppApiException
from common.forms import BaseForm
from models_provider.base_model_provider import BaseModelCredential, ValidCode
from common.utils.logger import maxkb_logger

class VllmEmbeddingCredential(BaseForm, BaseModelCredential):
    def is_valid(self, model_type: str, model_name, model_credential: Dict[str, object], model_params, provider,
                 raise_exception=True):
        model_type_list = provider.get_model_type_list()
        if not any(list(filter(lambda mt: mt.get('value') == model_type, model_type_list))):
            raise AppApiException(ValidCode.valid_error.value,
                                  _('{model_type} Model type is not supported').format(model_type=model_type))

        for key in ['api_base', 'api_key']:
            if key not in model_credential:
                if raise_exception:
                    raise AppApiException(ValidCode.valid_error.value, _('{key}  is required').format(key=key))
                else:
                    return False
        try:
            model = provider.get_model(model_type, model_name, model_credential)
            model.embed_query(_('Hello'))
        except Exception as e:
            maxkb_logger.error(f'Exception: {e}', exc_info=True)
            if isinstance(e, AppApiException):
                raise e
            if raise_exception:
                raise AppApiException(ValidCode.valid_error.value,
                                      _('Verification failed, please check whether the parameters are correct: {error}').format(
                                          error=str(e)))
            else:
                return False
        return True

    def encryption_dict(self, model: Dict[str, object]):
        return {**model, 'api_key': super().encryption(model.get('api_key', ''))}

    api_base = forms.TextInputField('API URL', required=True)
    api_key = forms.PasswordInputField('API Key', required=True)