mirror of
https://github.com/1Panel-dev/MaxKB.git
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117 lines
5.3 KiB
Python
117 lines
5.3 KiB
Python
# 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：2024/7/12 10:19
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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 langchain_core.messages import HumanMessage
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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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from common.utils.logger import maxkb_logger
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class WenxinLLMModelParams(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=0.95,
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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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max_tokens = forms.SliderField(
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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=2,
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_max=100000,
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_step=1,
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precision=0)
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class WenxinLLMModelCredential(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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# 根据api_version检查必需字段
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api_version = model_credential.get('api_version', 'v1')
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model = provider.get_model(model_type, model_name, model_credential, **model_params)
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if api_version == 'v1':
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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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model_info = [model.lower() for model in model.client.models()]
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if not model_info.__contains__(model_name.lower()):
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raise AppApiException(ValidCode.valid_error.value,
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gettext('{model_name} The model does not support').format(model_name=model_name))
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required_keys = ['api_key', 'secret_key']
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if api_version == 'v2':
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required_keys = ['api_base', 'api_key']
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for key in required_keys:
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if key not in model_credential:
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if raise_exception:
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raise AppApiException(ValidCode.valid_error.value, gettext('{key} is required').format(key=key))
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else:
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return False
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try:
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model.invoke(
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[HumanMessage(content=gettext('Hello'))])
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except Exception as e:
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maxkb_logger.error(f'Exception: {e}', exc_info=True)
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raise e
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return True
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def encryption_dict(self, model_info: Dict[str, object]):
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# 根据api_version加密不同字段
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api_version = model_info.get('api_version', 'v1')
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if api_version == 'v1':
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return {**model_info, 'secret_key': super().encryption(model_info.get('secret_key', ''))}
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else: # v2
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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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api_version = model_info.get('api_version', 'v1')
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# 根据api_version检查必需字段
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if api_version == 'v1':
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for key in ['api_version', 'api_key', 'secret_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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self.secret_key = model_info.get('secret_key')
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else: # v2
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for key in ['api_version', 'api_base', '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_base = model_info.get('api_base')
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self.api_key = model_info.get('api_key')
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return self
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# 动态字段定义 - 根据api_version显示不同字段
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api_version = forms.Radio('API Version', required=True, text_field='label', value_field='value',
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option_list=[
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{'label': 'v1', 'value': 'v1'},
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{'label': 'v2', 'value': 'v2'}
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],
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default_value='v1',
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provider='',
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method='', )
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# v2版本字段
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api_base = forms.TextInputField("API URL", required=True, relation_show_field_dict={"api_version": ["v2"]})
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# v1版本字段
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api_key = forms.PasswordInputField('API Key', required=True)
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secret_key = forms.PasswordInputField("Secret Key", required=True,
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relation_show_field_dict={"api_version": ["v1"]})
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def get_model_params_setting_form(self, model_name):
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return WenxinLLMModelParams()
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