2025-04-17 10:01:33 +00:00
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# coding=utf-8
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"""
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@project: MaxKB
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@Author：虎
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@file： llm.py
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@date：2024/7/11 18:19
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@desc:
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"""
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from typing import Dict
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from django.utils.translation import gettext_lazy as _, gettext
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from common import forms
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from common.exception.app_exception import AppApiException
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from common.forms import BaseForm, TooltipLabel
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from models_provider.base_model_provider import BaseModelCredential, ValidCode
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class OllamaLLMModelParams(BaseForm):
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temperature = forms.SliderField(TooltipLabel(_('Temperature'),
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_('Higher values make the output more random, while lower values make it more focused and deterministic')),
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required=True, default_value=0.3,
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_min=0.1,
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_max=1.0,
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_step=0.01,
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precision=2)
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2025-04-25 02:17:50 +00:00
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num_predict = forms.SliderField(
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2025-04-17 10:01:33 +00:00
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TooltipLabel(_('Output the maximum Tokens'),
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_('Specify the maximum number of tokens that the model can generate')),
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required=True, default_value=1024,
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_min=1,
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_max=100000,
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_step=1,
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precision=0)
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class OllamaLLMModelCredential(BaseForm, BaseModelCredential):
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def is_valid(self, model_type: str, model_name, model_credential: Dict[str, object], model_params, provider,
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raise_exception=False):
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model_type_list = provider.get_model_type_list()
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if not any(list(filter(lambda mt: mt.get('value') == model_type, model_type_list))):
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raise AppApiException(ValidCode.valid_error.value,
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gettext('{model_type} Model type is not supported').format(model_type=model_type))
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try:
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model_list = provider.get_base_model_list(model_credential.get('api_base'))
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except Exception as e:
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raise AppApiException(ValidCode.valid_error.value, gettext('API domain name is invalid'))
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exist = [model for model in (model_list.get('models') if model_list.get('models') is not None else []) if
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model.get('model') == model_name or model.get('model').replace(":latest", "") == model_name]
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if len(exist) == 0:
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raise AppApiException(ValidCode.model_not_fount,
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gettext('The model does not exist, please download the model first'))
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return True
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def encryption_dict(self, model_info: Dict[str, object]):
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return {**model_info, 'api_key': super().encryption(model_info.get('api_key', ''))}
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def build_model(self, model_info: Dict[str, object]):
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for key in ['api_key', 'model']:
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if key not in model_info:
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raise AppApiException(500, gettext('{key} is required').format(key=key))
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self.api_key = model_info.get('api_key')
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return self
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api_base = forms.TextInputField('API URL', required=True)
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api_key = forms.PasswordInputField('API Key', required=True)
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def get_model_params_setting_form(self, model_name):
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return OllamaLLMModelParams()
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