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2025-12-01 17:21:38 +08:00
parent 32fee2b8ab
commit fab8c13cb3
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from core.app.app_config.base_app_config_manager import BaseAppConfigManager
from core.app.app_config.common.sensitive_word_avoidance.manager import SensitiveWordAvoidanceConfigManager
from core.app.app_config.easy_ui_based_app.dataset.manager import DatasetConfigManager
from core.app.app_config.easy_ui_based_app.model_config.manager import ModelConfigManager
from core.app.app_config.easy_ui_based_app.prompt_template.manager import PromptTemplateConfigManager
from core.app.app_config.easy_ui_based_app.variables.manager import BasicVariablesConfigManager
from core.app.app_config.entities import EasyUIBasedAppConfig, EasyUIBasedAppModelConfigFrom
from core.app.app_config.features.file_upload.manager import FileUploadConfigManager
from core.app.app_config.features.more_like_this.manager import MoreLikeThisConfigManager
from core.app.app_config.features.text_to_speech.manager import TextToSpeechConfigManager
from models.model import App, AppMode, AppModelConfig
class CompletionAppConfig(EasyUIBasedAppConfig):
"""
Completion App Config Entity.
"""
pass
class CompletionAppConfigManager(BaseAppConfigManager):
@classmethod
def get_app_config(
cls, app_model: App, app_model_config: AppModelConfig, override_config_dict: dict | None = None
) -> CompletionAppConfig:
"""
Convert app model config to completion app config
:param app_model: app model
:param app_model_config: app model config
:param override_config_dict: app model config dict
:return:
"""
if override_config_dict:
config_from = EasyUIBasedAppModelConfigFrom.ARGS
else:
config_from = EasyUIBasedAppModelConfigFrom.APP_LATEST_CONFIG
if config_from != EasyUIBasedAppModelConfigFrom.ARGS:
app_model_config_dict = app_model_config.to_dict()
config_dict = app_model_config_dict.copy()
else:
config_dict = override_config_dict or {}
app_mode = AppMode.value_of(app_model.mode)
app_config = CompletionAppConfig(
tenant_id=app_model.tenant_id,
app_id=app_model.id,
app_mode=app_mode,
app_model_config_from=config_from,
app_model_config_id=app_model_config.id,
app_model_config_dict=config_dict,
model=ModelConfigManager.convert(config=config_dict),
prompt_template=PromptTemplateConfigManager.convert(config=config_dict),
sensitive_word_avoidance=SensitiveWordAvoidanceConfigManager.convert(config=config_dict),
dataset=DatasetConfigManager.convert(config=config_dict),
additional_features=cls.convert_features(config_dict, app_mode),
)
app_config.variables, app_config.external_data_variables = BasicVariablesConfigManager.convert(
config=config_dict
)
return app_config
@classmethod
def config_validate(cls, tenant_id: str, config: dict):
"""
Validate for completion app model config
:param tenant_id: tenant id
:param config: app model config args
"""
app_mode = AppMode.COMPLETION
related_config_keys = []
# model
config, current_related_config_keys = ModelConfigManager.validate_and_set_defaults(tenant_id, config)
related_config_keys.extend(current_related_config_keys)
# user_input_form
config, current_related_config_keys = BasicVariablesConfigManager.validate_and_set_defaults(tenant_id, config)
related_config_keys.extend(current_related_config_keys)
# file upload validation
config, current_related_config_keys = FileUploadConfigManager.validate_and_set_defaults(config)
related_config_keys.extend(current_related_config_keys)
# prompt
config, current_related_config_keys = PromptTemplateConfigManager.validate_and_set_defaults(app_mode, config)
related_config_keys.extend(current_related_config_keys)
# dataset_query_variable
config, current_related_config_keys = DatasetConfigManager.validate_and_set_defaults(
tenant_id, app_mode, config
)
related_config_keys.extend(current_related_config_keys)
# text_to_speech
config, current_related_config_keys = TextToSpeechConfigManager.validate_and_set_defaults(config)
related_config_keys.extend(current_related_config_keys)
# more_like_this
config, current_related_config_keys = MoreLikeThisConfigManager.validate_and_set_defaults(config)
related_config_keys.extend(current_related_config_keys)
# moderation validation
config, current_related_config_keys = SensitiveWordAvoidanceConfigManager.validate_and_set_defaults(
tenant_id, config
)
related_config_keys.extend(current_related_config_keys)
related_config_keys = list(set(related_config_keys))
# Filter out extra parameters
filtered_config = {key: config.get(key) for key in related_config_keys}
return filtered_config

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import logging
import threading
import uuid
from collections.abc import Generator, Mapping
from typing import Any, Literal, Union, overload
from flask import Flask, copy_current_request_context, current_app
from pydantic import ValidationError
from sqlalchemy import select
from configs import dify_config
from core.app.app_config.easy_ui_based_app.model_config.converter import ModelConfigConverter
from core.app.app_config.features.file_upload.manager import FileUploadConfigManager
from core.app.apps.base_app_queue_manager import AppQueueManager, PublishFrom
from core.app.apps.completion.app_config_manager import CompletionAppConfigManager
from core.app.apps.completion.app_runner import CompletionAppRunner
from core.app.apps.completion.generate_response_converter import CompletionAppGenerateResponseConverter
from core.app.apps.exc import GenerateTaskStoppedError
from core.app.apps.message_based_app_generator import MessageBasedAppGenerator
from core.app.apps.message_based_app_queue_manager import MessageBasedAppQueueManager
from core.app.entities.app_invoke_entities import CompletionAppGenerateEntity, InvokeFrom
from core.model_runtime.errors.invoke import InvokeAuthorizationError
from core.ops.ops_trace_manager import TraceQueueManager
from extensions.ext_database import db
from factories import file_factory
from models import Account, App, EndUser, Message
from services.errors.app import MoreLikeThisDisabledError
from services.errors.message import MessageNotExistsError
logger = logging.getLogger(__name__)
class CompletionAppGenerator(MessageBasedAppGenerator):
@overload
def generate(
self,
app_model: App,
user: Union[Account, EndUser],
args: Mapping[str, Any],
invoke_from: InvokeFrom,
streaming: Literal[True],
) -> Generator[str | Mapping[str, Any], None, None]: ...
@overload
def generate(
self,
app_model: App,
user: Union[Account, EndUser],
args: Mapping[str, Any],
invoke_from: InvokeFrom,
streaming: Literal[False],
) -> Mapping[str, Any]: ...
@overload
def generate(
self,
app_model: App,
user: Union[Account, EndUser],
args: Mapping[str, Any],
invoke_from: InvokeFrom,
streaming: bool = False,
) -> Union[Mapping[str, Any], Generator[str | Mapping[str, Any], None, None]]: ...
def generate(
self,
app_model: App,
user: Union[Account, EndUser],
args: Mapping[str, Any],
invoke_from: InvokeFrom,
streaming: bool = True,
) -> Union[Mapping[str, Any], Generator[str | Mapping[str, Any], None, None]]:
"""
Generate App response.
:param app_model: App
:param user: account or end user
:param args: request args
:param invoke_from: invoke from source
:param streaming: is stream
"""
query = args["query"]
if not isinstance(query, str):
raise ValueError("query must be a string")
query = query.replace("\x00", "")
inputs = args["inputs"]
# get conversation
conversation = None
# get app model config
app_model_config = self._get_app_model_config(app_model=app_model, conversation=conversation)
# validate override model config
override_model_config_dict = None
if args.get("model_config"):
if invoke_from != InvokeFrom.DEBUGGER:
raise ValueError("Only in App debug mode can override model config")
# validate config
override_model_config_dict = CompletionAppConfigManager.config_validate(
tenant_id=app_model.tenant_id, config=args.get("model_config", {})
)
# parse files
# TODO(QuantumGhost): Move file parsing logic to the API controller layer
# for better separation of concerns.
#
# For implementation reference, see the `_parse_file` function and
# `DraftWorkflowNodeRunApi` class which handle this properly.
files = args["files"] if args.get("files") else []
file_extra_config = FileUploadConfigManager.convert(override_model_config_dict or app_model_config.to_dict())
if file_extra_config:
file_objs = file_factory.build_from_mappings(
mappings=files,
tenant_id=app_model.tenant_id,
config=file_extra_config,
)
else:
file_objs = []
# convert to app config
app_config = CompletionAppConfigManager.get_app_config(
app_model=app_model, app_model_config=app_model_config, override_config_dict=override_model_config_dict
)
# get tracing instance
trace_manager = TraceQueueManager(
app_id=app_model.id, user_id=user.id if isinstance(user, Account) else user.session_id
)
# init application generate entity
application_generate_entity = CompletionAppGenerateEntity(
task_id=str(uuid.uuid4()),
app_config=app_config,
model_conf=ModelConfigConverter.convert(app_config),
file_upload_config=file_extra_config,
inputs=self._prepare_user_inputs(
user_inputs=inputs, variables=app_config.variables, tenant_id=app_model.tenant_id
),
query=query,
files=list(file_objs),
user_id=user.id,
stream=streaming,
invoke_from=invoke_from,
extras={},
trace_manager=trace_manager,
)
# init generate records
(conversation, message) = self._init_generate_records(application_generate_entity)
# init queue manager
queue_manager = MessageBasedAppQueueManager(
task_id=application_generate_entity.task_id,
user_id=application_generate_entity.user_id,
invoke_from=application_generate_entity.invoke_from,
conversation_id=conversation.id,
app_mode=conversation.mode,
message_id=message.id,
)
# new thread with request context
@copy_current_request_context
def worker_with_context():
return self._generate_worker(
flask_app=current_app._get_current_object(), # type: ignore
application_generate_entity=application_generate_entity,
queue_manager=queue_manager,
message_id=message.id,
)
worker_thread = threading.Thread(target=worker_with_context)
worker_thread.start()
# return response or stream generator
response = self._handle_response(
application_generate_entity=application_generate_entity,
queue_manager=queue_manager,
conversation=conversation,
message=message,
user=user,
stream=streaming,
)
return CompletionAppGenerateResponseConverter.convert(response=response, invoke_from=invoke_from)
def _generate_worker(
self,
flask_app: Flask,
application_generate_entity: CompletionAppGenerateEntity,
queue_manager: AppQueueManager,
message_id: str,
):
"""
Generate worker in a new thread.
:param flask_app: Flask app
:param application_generate_entity: application generate entity
:param queue_manager: queue manager
:param message_id: message ID
:return:
"""
with flask_app.app_context():
try:
# get message
message = self._get_message(message_id)
# chatbot app
runner = CompletionAppRunner()
runner.run(
application_generate_entity=application_generate_entity,
queue_manager=queue_manager,
message=message,
)
except GenerateTaskStoppedError:
pass
except InvokeAuthorizationError:
queue_manager.publish_error(
InvokeAuthorizationError("Incorrect API key provided"), PublishFrom.APPLICATION_MANAGER
)
except ValidationError as e:
logger.exception("Validation Error when generating")
queue_manager.publish_error(e, PublishFrom.APPLICATION_MANAGER)
except ValueError as e:
if dify_config.DEBUG:
logger.exception("Error when generating")
queue_manager.publish_error(e, PublishFrom.APPLICATION_MANAGER)
except Exception as e:
logger.exception("Unknown Error when generating")
queue_manager.publish_error(e, PublishFrom.APPLICATION_MANAGER)
finally:
db.session.close()
def generate_more_like_this(
self,
app_model: App,
message_id: str,
user: Union[Account, EndUser],
invoke_from: InvokeFrom,
stream: bool = True,
) -> Union[Mapping, Generator[Mapping | str, None, None]]:
"""
Generate App response.
:param app_model: App
:param message_id: message ID
:param user: account or end user
:param invoke_from: invoke from source
:param stream: is stream
"""
stmt = select(Message).where(
Message.id == message_id,
Message.app_id == app_model.id,
Message.from_source == ("api" if isinstance(user, EndUser) else "console"),
Message.from_end_user_id == (user.id if isinstance(user, EndUser) else None),
Message.from_account_id == (user.id if isinstance(user, Account) else None),
)
message = db.session.scalar(stmt)
if not message:
raise MessageNotExistsError()
current_app_model_config = app_model.app_model_config
if not current_app_model_config:
raise MoreLikeThisDisabledError()
more_like_this = current_app_model_config.more_like_this_dict
if not current_app_model_config.more_like_this or more_like_this.get("enabled", False) is False:
raise MoreLikeThisDisabledError()
app_model_config = message.app_model_config
if not app_model_config:
raise ValueError("Message app_model_config is None")
override_model_config_dict = app_model_config.to_dict()
model_dict = override_model_config_dict["model"]
completion_params = model_dict.get("completion_params")
completion_params["temperature"] = 0.9
model_dict["completion_params"] = completion_params
override_model_config_dict["model"] = model_dict
# parse files
file_extra_config = FileUploadConfigManager.convert(override_model_config_dict)
if file_extra_config:
file_objs = file_factory.build_from_mappings(
mappings=message.message_files,
tenant_id=app_model.tenant_id,
config=file_extra_config,
)
else:
file_objs = []
# convert to app config
app_config = CompletionAppConfigManager.get_app_config(
app_model=app_model, app_model_config=app_model_config, override_config_dict=override_model_config_dict
)
# init application generate entity
application_generate_entity = CompletionAppGenerateEntity(
task_id=str(uuid.uuid4()),
app_config=app_config,
model_conf=ModelConfigConverter.convert(app_config),
inputs=message.inputs,
query=message.query,
files=list(file_objs),
user_id=user.id,
stream=stream,
invoke_from=invoke_from,
extras={},
)
# init generate records
(conversation, message) = self._init_generate_records(application_generate_entity)
# init queue manager
queue_manager = MessageBasedAppQueueManager(
task_id=application_generate_entity.task_id,
user_id=application_generate_entity.user_id,
invoke_from=application_generate_entity.invoke_from,
conversation_id=conversation.id,
app_mode=conversation.mode,
message_id=message.id,
)
# new thread with request context
@copy_current_request_context
def worker_with_context():
return self._generate_worker(
flask_app=current_app._get_current_object(), # type: ignore
application_generate_entity=application_generate_entity,
queue_manager=queue_manager,
message_id=message.id,
)
worker_thread = threading.Thread(target=worker_with_context)
worker_thread.start()
# return response or stream generator
response = self._handle_response(
application_generate_entity=application_generate_entity,
queue_manager=queue_manager,
conversation=conversation,
message=message,
user=user,
stream=stream,
)
return CompletionAppGenerateResponseConverter.convert(response=response, invoke_from=invoke_from)

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import logging
from typing import cast
from sqlalchemy import select
from core.app.apps.base_app_queue_manager import AppQueueManager
from core.app.apps.base_app_runner import AppRunner
from core.app.apps.completion.app_config_manager import CompletionAppConfig
from core.app.entities.app_invoke_entities import (
CompletionAppGenerateEntity,
)
from core.callback_handler.index_tool_callback_handler import DatasetIndexToolCallbackHandler
from core.model_manager import ModelInstance
from core.model_runtime.entities.message_entities import ImagePromptMessageContent
from core.moderation.base import ModerationError
from core.rag.retrieval.dataset_retrieval import DatasetRetrieval
from extensions.ext_database import db
from models.model import App, Message
logger = logging.getLogger(__name__)
class CompletionAppRunner(AppRunner):
"""
Completion Application Runner
"""
def run(
self, application_generate_entity: CompletionAppGenerateEntity, queue_manager: AppQueueManager, message: Message
):
"""
Run application
:param application_generate_entity: application generate entity
:param queue_manager: application queue manager
:param message: message
:return:
"""
app_config = application_generate_entity.app_config
app_config = cast(CompletionAppConfig, app_config)
stmt = select(App).where(App.id == app_config.app_id)
app_record = db.session.scalar(stmt)
if not app_record:
raise ValueError("App not found")
inputs = application_generate_entity.inputs
query = application_generate_entity.query
files = application_generate_entity.files
image_detail_config = (
application_generate_entity.file_upload_config.image_config.detail
if (
application_generate_entity.file_upload_config
and application_generate_entity.file_upload_config.image_config
)
else None
)
image_detail_config = image_detail_config or ImagePromptMessageContent.DETAIL.LOW
# organize all inputs and template to prompt messages
# Include: prompt template, inputs, query(optional), files(optional)
prompt_messages, stop = self.organize_prompt_messages(
app_record=app_record,
model_config=application_generate_entity.model_conf,
prompt_template_entity=app_config.prompt_template,
inputs=inputs,
files=files,
query=query,
image_detail_config=image_detail_config,
)
# moderation
try:
# process sensitive_word_avoidance
_, inputs, query = self.moderation_for_inputs(
app_id=app_record.id,
tenant_id=app_config.tenant_id,
app_generate_entity=application_generate_entity,
inputs=inputs,
query=query or "",
message_id=message.id,
)
except ModerationError as e:
self.direct_output(
queue_manager=queue_manager,
app_generate_entity=application_generate_entity,
prompt_messages=prompt_messages,
text=str(e),
stream=application_generate_entity.stream,
)
return
# fill in variable inputs from external data tools if exists
external_data_tools = app_config.external_data_variables
if external_data_tools:
inputs = self.fill_in_inputs_from_external_data_tools(
tenant_id=app_record.tenant_id,
app_id=app_record.id,
external_data_tools=external_data_tools,
inputs=inputs,
query=query,
)
# get context from datasets
context = None
if app_config.dataset and app_config.dataset.dataset_ids:
hit_callback = DatasetIndexToolCallbackHandler(
queue_manager,
app_record.id,
message.id,
application_generate_entity.user_id,
application_generate_entity.invoke_from,
)
dataset_config = app_config.dataset
if dataset_config and dataset_config.retrieve_config.query_variable:
query = inputs.get(dataset_config.retrieve_config.query_variable, "")
dataset_retrieval = DatasetRetrieval(application_generate_entity)
context = dataset_retrieval.retrieve(
app_id=app_record.id,
user_id=application_generate_entity.user_id,
tenant_id=app_record.tenant_id,
model_config=application_generate_entity.model_conf,
config=dataset_config,
query=query or "",
invoke_from=application_generate_entity.invoke_from,
show_retrieve_source=app_config.additional_features.show_retrieve_source
if app_config.additional_features
else False,
hit_callback=hit_callback,
message_id=message.id,
inputs=inputs,
)
# reorganize all inputs and template to prompt messages
# Include: prompt template, inputs, query(optional), files(optional)
# memory(optional), external data, dataset context(optional)
prompt_messages, stop = self.organize_prompt_messages(
app_record=app_record,
model_config=application_generate_entity.model_conf,
prompt_template_entity=app_config.prompt_template,
inputs=inputs,
files=files,
query=query,
context=context,
image_detail_config=image_detail_config,
)
# check hosting moderation
hosting_moderation_result = self.check_hosting_moderation(
application_generate_entity=application_generate_entity,
queue_manager=queue_manager,
prompt_messages=prompt_messages,
)
if hosting_moderation_result:
return
# Re-calculate the max tokens if sum(prompt_token + max_tokens) over model token limit
self.recalc_llm_max_tokens(model_config=application_generate_entity.model_conf, prompt_messages=prompt_messages)
# Invoke model
model_instance = ModelInstance(
provider_model_bundle=application_generate_entity.model_conf.provider_model_bundle,
model=application_generate_entity.model_conf.model,
)
db.session.close()
invoke_result = model_instance.invoke_llm(
prompt_messages=prompt_messages,
model_parameters=application_generate_entity.model_conf.parameters,
stop=stop,
stream=application_generate_entity.stream,
user=application_generate_entity.user_id,
)
# handle invoke result
self._handle_invoke_result(
invoke_result=invoke_result, queue_manager=queue_manager, stream=application_generate_entity.stream
)

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from collections.abc import Generator
from typing import cast
from core.app.apps.base_app_generate_response_converter import AppGenerateResponseConverter
from core.app.entities.task_entities import (
AppStreamResponse,
CompletionAppBlockingResponse,
CompletionAppStreamResponse,
ErrorStreamResponse,
MessageEndStreamResponse,
PingStreamResponse,
)
class CompletionAppGenerateResponseConverter(AppGenerateResponseConverter):
_blocking_response_type = CompletionAppBlockingResponse
@classmethod
def convert_blocking_full_response(cls, blocking_response: CompletionAppBlockingResponse): # type: ignore[override]
"""
Convert blocking full response.
:param blocking_response: blocking response
:return:
"""
response = {
"event": "message",
"task_id": blocking_response.task_id,
"id": blocking_response.data.id,
"message_id": blocking_response.data.message_id,
"mode": blocking_response.data.mode,
"answer": blocking_response.data.answer,
"metadata": blocking_response.data.metadata,
"created_at": blocking_response.data.created_at,
}
return response
@classmethod
def convert_blocking_simple_response(cls, blocking_response: CompletionAppBlockingResponse): # type: ignore[override]
"""
Convert blocking simple response.
:param blocking_response: blocking response
:return:
"""
response = cls.convert_blocking_full_response(blocking_response)
metadata = response.get("metadata", {})
if isinstance(metadata, dict):
response["metadata"] = cls._get_simple_metadata(metadata)
else:
response["metadata"] = {}
return response
@classmethod
def convert_stream_full_response(
cls, stream_response: Generator[AppStreamResponse, None, None]
) -> Generator[dict | str, None, None]:
"""
Convert stream full response.
:param stream_response: stream response
:return:
"""
for chunk in stream_response:
chunk = cast(CompletionAppStreamResponse, chunk)
sub_stream_response = chunk.stream_response
if isinstance(sub_stream_response, PingStreamResponse):
yield "ping"
continue
response_chunk = {
"event": sub_stream_response.event.value,
"message_id": chunk.message_id,
"created_at": chunk.created_at,
}
if isinstance(sub_stream_response, ErrorStreamResponse):
data = cls._error_to_stream_response(sub_stream_response.err)
response_chunk.update(data)
else:
response_chunk.update(sub_stream_response.model_dump(mode="json"))
yield response_chunk
@classmethod
def convert_stream_simple_response(
cls, stream_response: Generator[AppStreamResponse, None, None]
) -> Generator[dict | str, None, None]:
"""
Convert stream simple response.
:param stream_response: stream response
:return:
"""
for chunk in stream_response:
chunk = cast(CompletionAppStreamResponse, chunk)
sub_stream_response = chunk.stream_response
if isinstance(sub_stream_response, PingStreamResponse):
yield "ping"
continue
response_chunk = {
"event": sub_stream_response.event.value,
"message_id": chunk.message_id,
"created_at": chunk.created_at,
}
if isinstance(sub_stream_response, MessageEndStreamResponse):
sub_stream_response_dict = sub_stream_response.model_dump(mode="json")
metadata = sub_stream_response_dict.get("metadata", {})
if not isinstance(metadata, dict):
metadata = {}
sub_stream_response_dict["metadata"] = cls._get_simple_metadata(metadata)
response_chunk.update(sub_stream_response_dict)
elif isinstance(sub_stream_response, ErrorStreamResponse):
data = cls._error_to_stream_response(sub_stream_response.err)
response_chunk.update(data)
else:
response_chunk.update(sub_stream_response.model_dump(mode="json"))
yield response_chunk