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import logging
from flask_restful import reqparse
from werkzeug.exceptions import InternalServerError
from controllers.web import api
from controllers.web.error import (
CompletionRequestError,
NotWorkflowAppError,
ProviderModelCurrentlyNotSupportError,
ProviderNotInitializeError,
ProviderQuotaExceededError,
)
from controllers.web.wraps import WebApiResource
from core.app.apps.base_app_queue_manager import AppQueueManager
from core.app.entities.app_invoke_entities import InvokeFrom
from core.errors.error import ModelCurrentlyNotSupportError, ProviderTokenNotInitError, QuotaExceededError
from core.model_runtime.errors.invoke import InvokeError
from libs import helper
from models.model import App, AppMode, EndUser
from services.app_generate_service import AppGenerateService
logger = logging.getLogger(__name__)
class WorkflowRunApi(WebApiResource):
def post(self, app_model: App, end_user: EndUser):
"""
Run workflow
"""
app_mode = AppMode.value_of(app_model.mode)
if app_mode != AppMode.WORKFLOW:
raise NotWorkflowAppError()
parser = reqparse.RequestParser()
parser.add_argument('inputs', type=dict, required=True, nullable=False, location='json')
parser.add_argument('files', type=list, required=False, location='json')
args = parser.parse_args()
try:
response = AppGenerateService.generate(
app_model=app_model,
user=end_user,
args=args,
invoke_from=InvokeFrom.WEB_APP,
streaming=True
)
return helper.compact_generate_response(response)
except ProviderTokenNotInitError as ex:
raise ProviderNotInitializeError(ex.description)
except QuotaExceededError:
raise ProviderQuotaExceededError()
except ModelCurrentlyNotSupportError:
raise ProviderModelCurrentlyNotSupportError()
except InvokeError as e:
raise CompletionRequestError(e.description)
except ValueError as e:
raise e
except Exception as e:
logging.exception("internal server error.")
raise InternalServerError()
class WorkflowTaskStopApi(WebApiResource):
def post(self, app_model: App, end_user: EndUser, task_id: str):
"""
Stop workflow task
"""
app_mode = AppMode.value_of(app_model.mode)
if app_mode != AppMode.WORKFLOW:
raise NotWorkflowAppError()
AppQueueManager.set_stop_flag(task_id, InvokeFrom.WEB_APP, end_user.id)
return {
"result": "success"
}
api.add_resource(WorkflowRunApi, '/workflows/run')
api.add_resource(WorkflowTaskStopApi, '/workflows/tasks/<string:task_id>/stop')
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