Underground-Digital/Workflow-Engine

1import logging2 3from flask_restful import reqparse4from werkzeug.exceptions import InternalServerError5 6from controllers.web import api7from controllers.web.error import (8    CompletionRequestError,9    NotWorkflowAppError,10    ProviderModelCurrentlyNotSupportError,11    ProviderNotInitializeError,12    ProviderQuotaExceededError,13)14from controllers.web.wraps import WebApiResource15from core.app.apps.base_app_queue_manager import AppQueueManager16from core.app.entities.app_invoke_entities import InvokeFrom17from core.errors.error import ModelCurrentlyNotSupportError, ProviderTokenNotInitError, QuotaExceededError18from core.model_runtime.errors.invoke import InvokeError19from libs import helper20from models.model import App, AppMode, EndUser21from services.app_generate_service import AppGenerateService22 23logger = logging.getLogger(__name__)24 25 26class WorkflowRunApi(WebApiResource):27    def post(self, app_model: App, end_user: EndUser):28        """29        Run workflow30        """31        app_mode = AppMode.value_of(app_model.mode)32        if app_mode != AppMode.WORKFLOW:33            raise NotWorkflowAppError()34 35        parser = reqparse.RequestParser()36        parser.add_argument("inputs", type=dict, required=True, nullable=False, location="json")37        parser.add_argument("files", type=list, required=False, location="json")38        args = parser.parse_args()39 40        try:41            response = AppGenerateService.generate(42                app_model=app_model, user=end_user, args=args, invoke_from=InvokeFrom.WEB_APP, streaming=True43            )44 45            return helper.compact_generate_response(response)46        except ProviderTokenNotInitError as ex:47            raise ProviderNotInitializeError(ex.description)48        except QuotaExceededError:49            raise ProviderQuotaExceededError()50        except ModelCurrentlyNotSupportError:51            raise ProviderModelCurrentlyNotSupportError()52        except InvokeError as e:53            raise CompletionRequestError(e.description)54        except ValueError as e:55            raise e56        except Exception as e:57            logging.exception("internal server error.")58            raise InternalServerError()59 60 61class WorkflowTaskStopApi(WebApiResource):62    def post(self, app_model: App, end_user: EndUser, task_id: str):63        """64        Stop workflow task65        """66        app_mode = AppMode.value_of(app_model.mode)67        if app_mode != AppMode.WORKFLOW:68            raise NotWorkflowAppError()69 70        AppQueueManager.set_stop_flag(task_id, InvokeFrom.WEB_APP, end_user.id)71 72        return {"result": "success"}73 74 75api.add_resource(WorkflowRunApi, "/workflows/run")76api.add_resource(WorkflowTaskStopApi, "/workflows/tasks/<string:task_id>/stop")77