llm.py 3.8 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495
  1. # coding=utf-8
  2. """
  3. @project: MaxKB
  4. @Author:虎
  5. @file: llm.py
  6. @date:2024/7/11 17:08
  7. @desc:
  8. """
  9. from typing import Dict
  10. from langchain_core.messages import HumanMessage
  11. from openai import BadRequestError
  12. from common import forms
  13. from common.exception.app_exception import AppApiException
  14. from common.forms import BaseForm, TooltipLabel
  15. from models_provider.base_model_provider import BaseModelCredential, ValidCode
  16. from django.utils.translation import gettext_lazy as _, gettext
  17. from common.utils.logger import maxkb_logger
  18. class AzureLLMModelParams(BaseForm):
  19. temperature = forms.SliderField(TooltipLabel(_('Temperature'),
  20. _('Higher values make the output more random, while lower values make it more focused and deterministic')),
  21. required=True, default_value=0.7,
  22. _min=0.1,
  23. _max=1.0,
  24. _step=0.01,
  25. precision=2)
  26. max_tokens = forms.SliderField(
  27. TooltipLabel(_('Output the maximum Tokens'),
  28. _('Specify the maximum number of tokens that the model can generate')),
  29. required=True, default_value=800,
  30. _min=1,
  31. _max=100000,
  32. _step=1,
  33. precision=0)
  34. class o3MiniLLMModelParams(BaseForm):
  35. max_completion_tokens = forms.SliderField(
  36. TooltipLabel(_('Output the maximum Tokens'),
  37. _('Specify the maximum number of tokens that the model can generate')),
  38. required=True, default_value=800,
  39. _min=1,
  40. _max=5000,
  41. _step=1,
  42. precision=0)
  43. class AzureLLMModelCredential(BaseForm, BaseModelCredential):
  44. def is_valid(self, model_type: str, model_name, model_credential: Dict[str, object], model_params, provider,
  45. raise_exception=False):
  46. model_type_list = provider.get_model_type_list()
  47. if not any(list(filter(lambda mt: mt.get('value') == model_type, model_type_list))):
  48. raise AppApiException(ValidCode.valid_error.value,
  49. gettext('{model_type} Model type is not supported').format(model_type=model_type))
  50. for key in ['api_base', 'api_key', 'deployment_name', 'api_version']:
  51. if key not in model_credential:
  52. if raise_exception:
  53. raise AppApiException(ValidCode.valid_error.value, gettext('{key} is required').format(key=key))
  54. else:
  55. return False
  56. try:
  57. model = provider.get_model(model_type, model_name, model_credential, **model_params)
  58. model.invoke([HumanMessage(content=gettext('Hello'))])
  59. except Exception as e:
  60. maxkb_logger.error(f'Exception: {e}', exc_info=True)
  61. if isinstance(e, AppApiException) or isinstance(e, BadRequestError):
  62. raise e
  63. if raise_exception:
  64. raise AppApiException(ValidCode.valid_error.value,
  65. gettext('Verification failed, please check whether the parameters are correct'))
  66. else:
  67. return False
  68. return True
  69. def encryption_dict(self, model: Dict[str, object]):
  70. return {**model, 'api_key': super().encryption(model.get('api_key', ''))}
  71. api_version = forms.TextInputField("API Version", required=True)
  72. api_base = forms.TextInputField('Azure Endpoint', required=True)
  73. api_key = forms.PasswordInputField("API Key", required=True)
  74. deployment_name = forms.TextInputField("Deployment name", required=True)
  75. def get_model_params_setting_form(self, model_name):
  76. if 'o3' in model_name or 'o1' in model_name:
  77. return o3MiniLLMModelParams()
  78. return AzureLLMModelParams()