mirror of
https://gitee.com/dify_ai/dify.git
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207 lines
8.4 KiB
Python
207 lines
8.4 KiB
Python
# -*- coding:utf-8 -*-
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import json
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import logging
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from typing import Generator, Union
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import flask_login
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from flask import Response, stream_with_context
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from flask_login import login_required
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from werkzeug.exceptions import InternalServerError, NotFound
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import services
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from controllers.console import api
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from controllers.console.app import _get_app
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from controllers.console.app.error import ConversationCompletedError, AppUnavailableError, \
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ProviderNotInitializeError, CompletionRequestError, ProviderQuotaExceededError, \
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ProviderModelCurrentlyNotSupportError
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from controllers.console.setup import setup_required
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from controllers.console.wraps import account_initialization_required
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from core.conversation_message_task import PubHandler
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from core.llm.error import LLMBadRequestError, LLMAPIUnavailableError, LLMAuthorizationError, LLMAPIConnectionError, \
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LLMRateLimitError, ProviderTokenNotInitError, QuotaExceededError, ModelCurrentlyNotSupportError
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from libs.helper import uuid_value
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from flask_restful import Resource, reqparse
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from services.completion_service import CompletionService
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# define completion message api for user
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class CompletionMessageApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def post(self, app_id):
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app_id = str(app_id)
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# get app info
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app_model = _get_app(app_id, 'completion')
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parser = reqparse.RequestParser()
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parser.add_argument('inputs', type=dict, required=True, location='json')
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parser.add_argument('query', type=str, location='json')
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parser.add_argument('model_config', type=dict, required=True, location='json')
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args = parser.parse_args()
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account = flask_login.current_user
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try:
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response = CompletionService.completion(
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app_model=app_model,
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user=account,
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args=args,
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from_source='console',
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streaming=True,
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is_model_config_override=True
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)
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return compact_response(response)
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except services.errors.conversation.ConversationNotExistsError:
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raise NotFound("Conversation Not Exists.")
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except services.errors.conversation.ConversationCompletedError:
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raise ConversationCompletedError()
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except services.errors.app_model_config.AppModelConfigBrokenError:
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logging.exception("App model config broken.")
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raise AppUnavailableError()
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except ProviderTokenNotInitError as ex:
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raise ProviderNotInitializeError(ex.description)
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except QuotaExceededError:
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raise ProviderQuotaExceededError()
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except ModelCurrentlyNotSupportError:
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raise ProviderModelCurrentlyNotSupportError()
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except (LLMBadRequestError, LLMAPIConnectionError, LLMAPIUnavailableError,
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LLMRateLimitError, LLMAuthorizationError) as e:
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raise CompletionRequestError(str(e))
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except ValueError as e:
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raise e
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except Exception as e:
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logging.exception("internal server error.")
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raise InternalServerError()
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class CompletionMessageStopApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def post(self, app_id, task_id):
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app_id = str(app_id)
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# get app info
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_get_app(app_id, 'completion')
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account = flask_login.current_user
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PubHandler.stop(account, task_id)
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return {'result': 'success'}, 200
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class ChatMessageApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def post(self, app_id):
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app_id = str(app_id)
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# get app info
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app_model = _get_app(app_id, 'chat')
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parser = reqparse.RequestParser()
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parser.add_argument('inputs', type=dict, required=True, location='json')
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parser.add_argument('query', type=str, required=True, location='json')
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parser.add_argument('model_config', type=dict, required=True, location='json')
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parser.add_argument('conversation_id', type=uuid_value, location='json')
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args = parser.parse_args()
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account = flask_login.current_user
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try:
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response = CompletionService.completion(
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app_model=app_model,
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user=account,
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args=args,
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from_source='console',
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streaming=True,
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is_model_config_override=True
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)
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return compact_response(response)
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except services.errors.conversation.ConversationNotExistsError:
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raise NotFound("Conversation Not Exists.")
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except services.errors.conversation.ConversationCompletedError:
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raise ConversationCompletedError()
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except services.errors.app_model_config.AppModelConfigBrokenError:
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logging.exception("App model config broken.")
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raise AppUnavailableError()
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except ProviderTokenNotInitError as ex:
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raise ProviderNotInitializeError(ex.description)
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except QuotaExceededError:
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raise ProviderQuotaExceededError()
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except ModelCurrentlyNotSupportError:
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raise ProviderModelCurrentlyNotSupportError()
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except (LLMBadRequestError, LLMAPIConnectionError, LLMAPIUnavailableError,
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LLMRateLimitError, LLMAuthorizationError) as e:
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raise CompletionRequestError(str(e))
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except ValueError as e:
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raise e
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except Exception as e:
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logging.exception("internal server error.")
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raise InternalServerError()
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def compact_response(response: Union[dict | Generator]) -> Response:
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if isinstance(response, dict):
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return Response(response=json.dumps(response), status=200, mimetype='application/json')
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else:
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def generate() -> Generator:
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try:
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for chunk in response:
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yield chunk
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except services.errors.conversation.ConversationNotExistsError:
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yield "data: " + json.dumps(api.handle_error(NotFound("Conversation Not Exists.")).get_json()) + "\n\n"
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except services.errors.conversation.ConversationCompletedError:
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yield "data: " + json.dumps(api.handle_error(ConversationCompletedError()).get_json()) + "\n\n"
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except services.errors.app_model_config.AppModelConfigBrokenError:
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logging.exception("App model config broken.")
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yield "data: " + json.dumps(api.handle_error(AppUnavailableError()).get_json()) + "\n\n"
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except ProviderTokenNotInitError as ex:
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yield "data: " + json.dumps(api.handle_error(ProviderNotInitializeError(ex.description)).get_json()) + "\n\n"
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except QuotaExceededError:
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yield "data: " + json.dumps(api.handle_error(ProviderQuotaExceededError()).get_json()) + "\n\n"
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except ModelCurrentlyNotSupportError:
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yield "data: " + json.dumps(api.handle_error(ProviderModelCurrentlyNotSupportError()).get_json()) + "\n\n"
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except (LLMBadRequestError, LLMAPIConnectionError, LLMAPIUnavailableError,
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LLMRateLimitError, LLMAuthorizationError) as e:
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yield "data: " + json.dumps(api.handle_error(CompletionRequestError(str(e))).get_json()) + "\n\n"
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except ValueError as e:
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yield "data: " + json.dumps(api.handle_error(e).get_json()) + "\n\n"
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except Exception:
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logging.exception("internal server error.")
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yield "data: " + json.dumps(api.handle_error(InternalServerError()).get_json()) + "\n\n"
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return Response(stream_with_context(generate()), status=200,
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mimetype='text/event-stream')
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class ChatMessageStopApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def post(self, app_id, task_id):
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app_id = str(app_id)
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# get app info
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_get_app(app_id, 'chat')
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account = flask_login.current_user
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PubHandler.stop(account, task_id)
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return {'result': 'success'}, 200
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api.add_resource(CompletionMessageApi, '/apps/<uuid:app_id>/completion-messages')
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api.add_resource(CompletionMessageStopApi, '/apps/<uuid:app_id>/completion-messages/<string:task_id>/stop')
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api.add_resource(ChatMessageApi, '/apps/<uuid:app_id>/chat-messages')
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api.add_resource(ChatMessageStopApi, '/apps/<uuid:app_id>/chat-messages/<string:task_id>/stop')
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