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gcgj-dify-1.7.0/api/controllers/service_api_with_auth/app/completion.py

307 lines
11 KiB
Python

import logging
from flask_restful import Resource, reqparse # type: ignore
from werkzeug.exceptions import InternalServerError, NotFound
import services
from controllers.service_api_with_auth import api
from controllers.service_api_with_auth.app.error import (
AppUnavailableError,
CompletionRequestError,
ConversationCompletedError,
NotChatAppError,
ProviderModelCurrentlyNotSupportError,
ProviderNotInitializeError,
ProviderQuotaExceededError,
)
from controllers.service_api_with_auth.wraps import validate_user_token_and_extract_info
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 libs.helper import uuid_value
from models.model import App, AppMode, EndUser
from services.app_generate_service import AppGenerateService
class CompletionApi(Resource):
@validate_user_token_and_extract_info
def post(self, app_model: App, end_user: EndUser):
"""Generate completion response.
---
tags:
- service/completion
summary: Generate completion
description: Generate a completion response for the provided inputs
security:
- ApiKeyAuth: []
parameters:
- name: body
in: body
required: true
schema:
type: object
required:
- inputs
properties:
inputs:
type: object
description: Input variables for the completion
query:
type: string
description: User query text
files:
type: array
description: List of files to process
response_mode:
type: string
enum: [blocking, streaming]
description: Response delivery mode
retriever_from:
type: string
default: dev
description: Source of the retriever
responses:
200:
description: Completion generated successfully
400:
description: Invalid request
401:
description: Invalid or missing token
404:
description: App unavailable or conversation not found
"""
if app_model.mode != "completion":
raise AppUnavailableError()
parser = reqparse.RequestParser()
parser.add_argument("inputs", type=dict, required=True, location="json")
parser.add_argument("query", type=str, location="json", default="")
parser.add_argument("files", type=list, required=False, location="json")
parser.add_argument("response_mode", type=str, choices=["blocking", "streaming"], location="json")
parser.add_argument("retriever_from", type=str, required=False, default="dev", location="json")
args = parser.parse_args()
streaming = args["response_mode"] == "streaming"
args["auto_generate_name"] = False
try:
response = AppGenerateService.generate(
app_model=app_model,
user=end_user,
args=args,
invoke_from=InvokeFrom.SERVICE_API,
streaming=streaming,
)
return helper.compact_generate_response(response)
except services.errors.conversation.ConversationNotExistsError:
raise NotFound("Conversation Not Exists.")
except services.errors.conversation.ConversationCompletedError:
raise ConversationCompletedError()
except services.errors.app_model_config.AppModelConfigBrokenError:
logging.exception("App model config broken.")
raise AppUnavailableError()
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 CompletionStopApi(Resource):
@validate_user_token_and_extract_info
def post(self, app_model: App, end_user: EndUser, task_id):
"""Stop a running completion task.
---
tags:
- service/completion
summary: Stop completion task
description: Stop a running completion generation task
security:
- ApiKeyAuth: []
parameters:
- name: task_id
in: path
required: true
type: string
description: ID of the task to stop
responses:
200:
description: Task stopped successfully
schema:
type: object
properties:
result:
type: string
example: success
401:
description: Invalid or missing token
404:
description: App unavailable
"""
if app_model.mode != "completion":
raise AppUnavailableError()
AppQueueManager.set_stop_flag(task_id, InvokeFrom.SERVICE_API, end_user.id)
return {"result": "success"}, 200
class ChatApi(Resource):
@validate_user_token_and_extract_info
def post(self, app_model: App, end_user: EndUser):
"""Generate chat response.
---
tags:
- service/chat
summary: Generate chat response
description: Generate a chat response for the provided inputs and query
security:
- ApiKeyAuth: []
parameters:
- name: body
in: body
required: true
schema:
type: object
required:
- inputs
- query
properties:
inputs:
type: object
description: Input variables for the chat
query:
type: string
description: User query text
files:
type: array
description: List of files to process
response_mode:
type: string
enum: [blocking, streaming]
description: Response delivery mode
conversation_id:
type: string
format: uuid
description: ID of an existing conversation to continue
retriever_from:
type: string
default: dev
description: Source of the retriever
auto_generate_name:
type: boolean
default: true
description: Whether to automatically generate a name for the conversation
responses:
200:
description: Chat response generated successfully
400:
description: Invalid request
401:
description: Invalid or missing token
404:
description: App unavailable or conversation not found
"""
app_mode = AppMode.value_of(app_model.mode)
if app_mode not in {AppMode.CHAT, AppMode.AGENT_CHAT, AppMode.ADVANCED_CHAT}:
raise NotChatAppError()
parser = reqparse.RequestParser()
parser.add_argument("inputs", type=dict, required=True, location="json")
parser.add_argument("query", type=str, required=True, location="json")
parser.add_argument("files", type=list, required=False, location="json")
parser.add_argument("response_mode", type=str, choices=["blocking", "streaming"], location="json")
parser.add_argument("conversation_id", type=uuid_value, location="json")
parser.add_argument("retriever_from", type=str, required=False, default="dev", location="json")
parser.add_argument("auto_generate_name", type=bool, required=False, default=True, location="json")
args = parser.parse_args()
streaming = args["response_mode"] == "streaming"
try:
response = AppGenerateService.generate(
app_model=app_model, user=end_user, args=args, invoke_from=InvokeFrom.SERVICE_API, streaming=streaming
)
return helper.compact_generate_response(response)
except services.errors.conversation.ConversationNotExistsError:
raise NotFound("Conversation Not Exists.")
except services.errors.conversation.ConversationCompletedError:
raise ConversationCompletedError()
except services.errors.app_model_config.AppModelConfigBrokenError:
logging.exception("App model config broken.")
raise AppUnavailableError()
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 ChatStopApi(Resource):
@validate_user_token_and_extract_info
def post(self, app_model: App, end_user: EndUser, task_id):
"""Stop a running chat task.
---
tags:
- service/chat
summary: Stop chat task
description: Stop a running chat generation task
security:
- ApiKeyAuth: []
parameters:
- name: task_id
in: path
required: true
type: string
description: ID of the task to stop
responses:
200:
description: Task stopped successfully
schema:
type: object
properties:
result:
type: string
example: success
401:
description: Invalid or missing token
404:
description: App unavailable or not a chat app
"""
app_mode = AppMode.value_of(app_model.mode)
if app_mode not in {AppMode.CHAT, AppMode.AGENT_CHAT, AppMode.ADVANCED_CHAT}:
raise NotChatAppError()
AppQueueManager.set_stop_flag(task_id, InvokeFrom.SERVICE_API, end_user.id)
return {"result": "success"}, 200
api.add_resource(CompletionApi, "/completion-messages")
api.add_resource(CompletionStopApi, "/completion-messages/<string:task_id>/stop")
api.add_resource(ChatApi, "/chat-messages")
api.add_resource(ChatStopApi, "/chat-messages/<string:task_id>/stop")