mirror of
https://github.com/langgenius/dify.git
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364 lines
13 KiB
Python
364 lines
13 KiB
Python
import json
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import logging
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from datetime import datetime, timezone
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from typing import cast
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from flask_login import current_user
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from flask_sqlalchemy.pagination import Pagination
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from configs import dify_config
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from constants.model_template import default_app_templates
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from core.agent.entities import AgentToolEntity
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from core.app.features.rate_limiting import RateLimit
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from core.errors.error import LLMBadRequestError, ProviderTokenNotInitError
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from core.model_manager import ModelManager
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from core.model_runtime.entities.model_entities import ModelPropertyKey, ModelType
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from core.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
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from core.tools.tool_manager import ToolManager
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from core.tools.utils.configuration import ToolParameterConfigurationManager
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from events.app_event import app_was_created
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from extensions.ext_database import db
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from models.account import Account
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from models.model import App, AppMode, AppModelConfig
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from models.tools import ApiToolProvider
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from services.tag_service import TagService
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from tasks.remove_app_and_related_data_task import remove_app_and_related_data_task
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class AppService:
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def get_paginate_apps(self, tenant_id: str, args: dict) -> Pagination | None:
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"""
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Get app list with pagination
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:param tenant_id: tenant id
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:param args: request args
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:return:
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"""
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filters = [
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App.tenant_id == tenant_id,
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App.is_universal == False
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]
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if args['mode'] == 'workflow':
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filters.append(App.mode.in_([AppMode.WORKFLOW.value, AppMode.COMPLETION.value]))
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elif args['mode'] == 'chat':
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filters.append(App.mode.in_([AppMode.CHAT.value, AppMode.ADVANCED_CHAT.value]))
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elif args['mode'] == 'agent-chat':
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filters.append(App.mode == AppMode.AGENT_CHAT.value)
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elif args['mode'] == 'channel':
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filters.append(App.mode == AppMode.CHANNEL.value)
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if args.get('name'):
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name = args['name'][:30]
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filters.append(App.name.ilike(f'%{name}%'))
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if args.get('tag_ids'):
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target_ids = TagService.get_target_ids_by_tag_ids('app',
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tenant_id,
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args['tag_ids'])
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if target_ids:
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filters.append(App.id.in_(target_ids))
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else:
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return None
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app_models = db.paginate(
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db.select(App).where(*filters).order_by(App.created_at.desc()),
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page=args['page'],
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per_page=args['limit'],
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error_out=False
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)
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return app_models
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def create_app(self, tenant_id: str, args: dict, account: Account) -> App:
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"""
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Create app
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:param tenant_id: tenant id
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:param args: request args
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:param account: Account instance
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"""
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app_mode = AppMode.value_of(args['mode'])
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app_template = default_app_templates[app_mode]
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# get model config
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default_model_config = app_template.get('model_config')
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default_model_config = default_model_config.copy() if default_model_config else None
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if default_model_config and 'model' in default_model_config:
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# get model provider
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model_manager = ModelManager()
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# get default model instance
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try:
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model_instance = model_manager.get_default_model_instance(
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tenant_id=account.current_tenant_id,
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model_type=ModelType.LLM
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)
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except (ProviderTokenNotInitError, LLMBadRequestError):
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model_instance = None
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except Exception as e:
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logging.exception(e)
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model_instance = None
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if model_instance:
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if model_instance.model == default_model_config['model']['name'] and model_instance.provider == default_model_config['model']['provider']:
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default_model_dict = default_model_config['model']
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else:
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llm_model = cast(LargeLanguageModel, model_instance.model_type_instance)
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model_schema = llm_model.get_model_schema(model_instance.model, model_instance.credentials)
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default_model_dict = {
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'provider': model_instance.provider,
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'name': model_instance.model,
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'mode': model_schema.model_properties.get(ModelPropertyKey.MODE),
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'completion_params': {}
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}
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else:
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default_model_dict = default_model_config['model']
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default_model_config['model'] = json.dumps(default_model_dict)
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app = App(**app_template['app'])
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app.name = args['name']
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app.description = args.get('description', '')
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app.mode = args['mode']
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app.icon_type = args.get('icon_type', 'emoji')
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app.icon = args['icon']
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app.icon_background = args['icon_background']
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app.tenant_id = tenant_id
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app.api_rph = args.get('api_rph', 0)
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app.api_rpm = args.get('api_rpm', 0)
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db.session.add(app)
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db.session.flush()
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if default_model_config:
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app_model_config = AppModelConfig(**default_model_config)
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app_model_config.app_id = app.id
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db.session.add(app_model_config)
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db.session.flush()
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app.app_model_config_id = app_model_config.id
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db.session.commit()
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app_was_created.send(app, account=account)
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return app
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def get_app(self, app: App) -> App:
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"""
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Get App
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"""
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# get original app model config
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if app.mode == AppMode.AGENT_CHAT.value or app.is_agent:
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model_config: AppModelConfig = app.app_model_config
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agent_mode = model_config.agent_mode_dict
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# decrypt agent tool parameters if it's secret-input
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for tool in agent_mode.get('tools') or []:
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if not isinstance(tool, dict) or len(tool.keys()) <= 3:
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continue
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agent_tool_entity = AgentToolEntity(**tool)
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# get tool
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try:
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tool_runtime = ToolManager.get_agent_tool_runtime(
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tenant_id=current_user.current_tenant_id,
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app_id=app.id,
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agent_tool=agent_tool_entity,
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)
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manager = ToolParameterConfigurationManager(
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tenant_id=current_user.current_tenant_id,
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tool_runtime=tool_runtime,
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provider_name=agent_tool_entity.provider_id,
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provider_type=agent_tool_entity.provider_type,
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identity_id=f'AGENT.{app.id}'
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)
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# get decrypted parameters
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if agent_tool_entity.tool_parameters:
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parameters = manager.decrypt_tool_parameters(agent_tool_entity.tool_parameters or {})
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masked_parameter = manager.mask_tool_parameters(parameters or {})
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else:
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masked_parameter = {}
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# override tool parameters
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tool['tool_parameters'] = masked_parameter
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except Exception as e:
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pass
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# override agent mode
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model_config.agent_mode = json.dumps(agent_mode)
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class ModifiedApp(App):
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"""
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Modified App class
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"""
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def __init__(self, app):
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self.__dict__.update(app.__dict__)
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@property
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def app_model_config(self):
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return model_config
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app = ModifiedApp(app)
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return app
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def update_app(self, app: App, args: dict) -> App:
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"""
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Update app
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:param app: App instance
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:param args: request args
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:return: App instance
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"""
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app.name = args.get('name')
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app.description = args.get('description', '')
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app.max_active_requests = args.get('max_active_requests')
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app.icon_type = args.get('icon_type', 'emoji')
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app.icon = args.get('icon')
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app.icon_background = args.get('icon_background')
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app.updated_at = datetime.now(timezone.utc).replace(tzinfo=None)
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db.session.commit()
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if app.max_active_requests is not None:
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rate_limit = RateLimit(app.id, app.max_active_requests)
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rate_limit.flush_cache(use_local_value=True)
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return app
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def update_app_name(self, app: App, name: str) -> App:
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"""
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Update app name
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:param app: App instance
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:param name: new name
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:return: App instance
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"""
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app.name = name
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app.updated_at = datetime.now(timezone.utc).replace(tzinfo=None)
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db.session.commit()
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return app
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def update_app_icon(self, app: App, icon: str, icon_background: str) -> App:
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"""
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Update app icon
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:param app: App instance
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:param icon: new icon
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:param icon_background: new icon_background
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:return: App instance
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"""
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app.icon = icon
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app.icon_background = icon_background
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app.updated_at = datetime.now(timezone.utc).replace(tzinfo=None)
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db.session.commit()
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return app
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def update_app_site_status(self, app: App, enable_site: bool) -> App:
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"""
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Update app site status
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:param app: App instance
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:param enable_site: enable site status
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:return: App instance
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"""
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if enable_site == app.enable_site:
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return app
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app.enable_site = enable_site
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app.updated_at = datetime.now(timezone.utc).replace(tzinfo=None)
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db.session.commit()
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return app
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def update_app_api_status(self, app: App, enable_api: bool) -> App:
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"""
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Update app api status
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:param app: App instance
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:param enable_api: enable api status
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:return: App instance
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"""
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if enable_api == app.enable_api:
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return app
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app.enable_api = enable_api
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app.updated_at = datetime.now(timezone.utc).replace(tzinfo=None)
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db.session.commit()
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return app
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def delete_app(self, app: App) -> None:
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"""
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Delete app
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:param app: App instance
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"""
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db.session.delete(app)
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db.session.commit()
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# Trigger asynchronous deletion of app and related data
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remove_app_and_related_data_task.delay(
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tenant_id=app.tenant_id,
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app_id=app.id
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)
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def get_app_meta(self, app_model: App) -> dict:
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"""
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Get app meta info
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:param app_model: app model
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:return:
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"""
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app_mode = AppMode.value_of(app_model.mode)
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meta = {
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'tool_icons': {}
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}
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if app_mode in [AppMode.ADVANCED_CHAT, AppMode.WORKFLOW]:
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workflow = app_model.workflow
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if workflow is None:
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return meta
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graph = workflow.graph_dict
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nodes = graph.get('nodes', [])
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tools = []
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for node in nodes:
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if node.get('data', {}).get('type') == 'tool':
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node_data = node.get('data', {})
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tools.append({
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'provider_type': node_data.get('provider_type'),
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'provider_id': node_data.get('provider_id'),
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'tool_name': node_data.get('tool_name'),
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'tool_parameters': {}
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})
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else:
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app_model_config: AppModelConfig = app_model.app_model_config
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if not app_model_config:
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return meta
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agent_config = app_model_config.agent_mode_dict or {}
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# get all tools
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tools = agent_config.get('tools', [])
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url_prefix = (dify_config.CONSOLE_API_URL
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+ "/console/api/workspaces/current/tool-provider/builtin/")
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for tool in tools:
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keys = list(tool.keys())
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if len(keys) >= 4:
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# current tool standard
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provider_type = tool.get('provider_type')
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provider_id = tool.get('provider_id')
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tool_name = tool.get('tool_name')
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if provider_type == 'builtin':
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meta['tool_icons'][tool_name] = url_prefix + provider_id + '/icon'
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elif provider_type == 'api':
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try:
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provider: ApiToolProvider = db.session.query(ApiToolProvider).filter(
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ApiToolProvider.id == provider_id
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).first()
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meta['tool_icons'][tool_name] = json.loads(provider.icon)
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except:
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meta['tool_icons'][tool_name] = {
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"background": "#252525",
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"content": "\ud83d\ude01"
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}
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return meta
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