dify
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237
dify/api/controllers/console/app/completion.py
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237
dify/api/controllers/console/app/completion.py
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import logging
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from flask import request
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from flask_restx import Resource, fields, reqparse
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from werkzeug.exceptions import InternalServerError, NotFound
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import services
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from controllers.console import console_ns
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from controllers.console.app.error import (
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AppUnavailableError,
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CompletionRequestError,
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ConversationCompletedError,
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ProviderModelCurrentlyNotSupportError,
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ProviderNotInitializeError,
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ProviderQuotaExceededError,
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)
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from controllers.console.app.wraps import get_app_model
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from controllers.console.wraps import account_initialization_required, edit_permission_required, setup_required
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from controllers.web.error import InvokeRateLimitError as InvokeRateLimitHttpError
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from core.app.entities.app_invoke_entities import InvokeFrom
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from core.errors.error import (
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ModelCurrentlyNotSupportError,
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ProviderTokenNotInitError,
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QuotaExceededError,
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)
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from core.helper.trace_id_helper import get_external_trace_id
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from core.model_runtime.errors.invoke import InvokeError
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from libs import helper
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from libs.helper import uuid_value
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from libs.login import current_user, login_required
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from models import Account
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from models.model import AppMode
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from services.app_generate_service import AppGenerateService
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from services.app_task_service import AppTaskService
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from services.errors.llm import InvokeRateLimitError
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logger = logging.getLogger(__name__)
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# define completion message api for user
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@console_ns.route("/apps/<uuid:app_id>/completion-messages")
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class CompletionMessageApi(Resource):
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@console_ns.doc("create_completion_message")
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@console_ns.doc(description="Generate completion message for debugging")
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@console_ns.doc(params={"app_id": "Application ID"})
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@console_ns.expect(
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console_ns.model(
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"CompletionMessageRequest",
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{
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"inputs": fields.Raw(required=True, description="Input variables"),
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"query": fields.String(description="Query text", default=""),
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"files": fields.List(fields.Raw(), description="Uploaded files"),
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"model_config": fields.Raw(required=True, description="Model configuration"),
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"response_mode": fields.String(enum=["blocking", "streaming"], description="Response mode"),
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"retriever_from": fields.String(default="dev", description="Retriever source"),
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},
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)
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)
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@console_ns.response(200, "Completion generated successfully")
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@console_ns.response(400, "Invalid request parameters")
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@console_ns.response(404, "App not found")
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@setup_required
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@login_required
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@account_initialization_required
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@get_app_model(mode=AppMode.COMPLETION)
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def post(self, app_model):
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parser = (
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reqparse.RequestParser()
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.add_argument("inputs", type=dict, required=True, location="json")
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.add_argument("query", type=str, location="json", default="")
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.add_argument("files", type=list, required=False, location="json")
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.add_argument("model_config", type=dict, required=True, location="json")
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.add_argument("response_mode", type=str, choices=["blocking", "streaming"], location="json")
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.add_argument("retriever_from", type=str, required=False, default="dev", location="json")
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)
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args = parser.parse_args()
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streaming = args["response_mode"] != "blocking"
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args["auto_generate_name"] = False
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try:
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if not isinstance(current_user, Account):
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raise ValueError("current_user must be an Account or EndUser instance")
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response = AppGenerateService.generate(
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app_model=app_model, user=current_user, args=args, invoke_from=InvokeFrom.DEBUGGER, streaming=streaming
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)
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return helper.compact_generate_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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logger.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 InvokeError as e:
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raise CompletionRequestError(e.description)
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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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logger.exception("internal server error.")
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raise InternalServerError()
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@console_ns.route("/apps/<uuid:app_id>/completion-messages/<string:task_id>/stop")
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class CompletionMessageStopApi(Resource):
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@console_ns.doc("stop_completion_message")
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@console_ns.doc(description="Stop a running completion message generation")
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@console_ns.doc(params={"app_id": "Application ID", "task_id": "Task ID to stop"})
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@console_ns.response(200, "Task stopped successfully")
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@setup_required
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@login_required
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@account_initialization_required
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@get_app_model(mode=AppMode.COMPLETION)
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def post(self, app_model, task_id):
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if not isinstance(current_user, Account):
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raise ValueError("current_user must be an Account instance")
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AppTaskService.stop_task(
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task_id=task_id,
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invoke_from=InvokeFrom.DEBUGGER,
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user_id=current_user.id,
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app_mode=AppMode.value_of(app_model.mode),
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)
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return {"result": "success"}, 200
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@console_ns.route("/apps/<uuid:app_id>/chat-messages")
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class ChatMessageApi(Resource):
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@console_ns.doc("create_chat_message")
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@console_ns.doc(description="Generate chat message for debugging")
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@console_ns.doc(params={"app_id": "Application ID"})
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@console_ns.expect(
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console_ns.model(
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"ChatMessageRequest",
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{
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"inputs": fields.Raw(required=True, description="Input variables"),
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"query": fields.String(required=True, description="User query"),
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"files": fields.List(fields.Raw(), description="Uploaded files"),
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"model_config": fields.Raw(required=True, description="Model configuration"),
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"conversation_id": fields.String(description="Conversation ID"),
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"parent_message_id": fields.String(description="Parent message ID"),
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"response_mode": fields.String(enum=["blocking", "streaming"], description="Response mode"),
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"retriever_from": fields.String(default="dev", description="Retriever source"),
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},
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)
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)
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@console_ns.response(200, "Chat message generated successfully")
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@console_ns.response(400, "Invalid request parameters")
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@console_ns.response(404, "App or conversation not found")
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@setup_required
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@login_required
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@account_initialization_required
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@get_app_model(mode=[AppMode.CHAT, AppMode.AGENT_CHAT])
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@edit_permission_required
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def post(self, app_model):
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parser = (
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reqparse.RequestParser()
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.add_argument("inputs", type=dict, required=True, location="json")
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.add_argument("query", type=str, required=True, location="json")
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.add_argument("files", type=list, required=False, location="json")
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.add_argument("model_config", type=dict, required=True, location="json")
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.add_argument("conversation_id", type=uuid_value, location="json")
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.add_argument("parent_message_id", type=uuid_value, required=False, location="json")
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.add_argument("response_mode", type=str, choices=["blocking", "streaming"], location="json")
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.add_argument("retriever_from", type=str, required=False, default="dev", location="json")
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)
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args = parser.parse_args()
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streaming = args["response_mode"] != "blocking"
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args["auto_generate_name"] = False
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external_trace_id = get_external_trace_id(request)
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if external_trace_id:
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args["external_trace_id"] = external_trace_id
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try:
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if not isinstance(current_user, Account):
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raise ValueError("current_user must be an Account or EndUser instance")
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response = AppGenerateService.generate(
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app_model=app_model, user=current_user, args=args, invoke_from=InvokeFrom.DEBUGGER, streaming=streaming
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)
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return helper.compact_generate_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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logger.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 InvokeRateLimitError as ex:
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raise InvokeRateLimitHttpError(ex.description)
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except InvokeError as e:
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raise CompletionRequestError(e.description)
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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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logger.exception("internal server error.")
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raise InternalServerError()
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@console_ns.route("/apps/<uuid:app_id>/chat-messages/<string:task_id>/stop")
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class ChatMessageStopApi(Resource):
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@console_ns.doc("stop_chat_message")
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@console_ns.doc(description="Stop a running chat message generation")
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@console_ns.doc(params={"app_id": "Application ID", "task_id": "Task ID to stop"})
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@console_ns.response(200, "Task stopped successfully")
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@setup_required
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@login_required
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@account_initialization_required
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@get_app_model(mode=[AppMode.CHAT, AppMode.AGENT_CHAT, AppMode.ADVANCED_CHAT])
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def post(self, app_model, task_id):
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if not isinstance(current_user, Account):
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raise ValueError("current_user must be an Account instance")
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AppTaskService.stop_task(
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task_id=task_id,
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invoke_from=InvokeFrom.DEBUGGER,
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user_id=current_user.id,
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app_mode=AppMode.value_of(app_model.mode),
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)
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return {"result": "success"}, 200
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