mirror of
http://112.124.100.131/huang.ze/ebiz-dify-ai.git
synced 2025-12-16 06:16:53 +08:00
feat: regenerate in Chat, agent and Chatflow app (#7661)
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@@ -32,6 +32,7 @@ from core.model_runtime.entities.message_entities import (
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from core.model_runtime.entities.model_entities import ModelFeature
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from core.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
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from core.model_runtime.utils.encoders import jsonable_encoder
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from core.prompt.utils.extract_thread_messages import extract_thread_messages
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from core.tools.entities.tool_entities import (
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ToolParameter,
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ToolRuntimeVariablePool,
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@@ -441,10 +442,12 @@ class BaseAgentRunner(AppRunner):
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.filter(
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Message.conversation_id == self.message.conversation_id,
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)
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.order_by(Message.created_at.asc())
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.order_by(Message.created_at.desc())
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.all()
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)
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messages = list(reversed(extract_thread_messages(messages)))
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for message in messages:
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if message.id == self.message.id:
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continue
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@@ -121,6 +121,7 @@ class AdvancedChatAppGenerator(MessageBasedAppGenerator):
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inputs=conversation.inputs if conversation else self._get_cleaned_inputs(inputs, app_config),
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query=query,
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files=file_objs,
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parent_message_id=args.get("parent_message_id"),
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user_id=user.id,
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stream=stream,
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invoke_from=invoke_from,
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@@ -127,6 +127,7 @@ class AgentChatAppGenerator(MessageBasedAppGenerator):
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inputs=conversation.inputs if conversation else self._get_cleaned_inputs(inputs, app_config),
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query=query,
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files=file_objs,
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parent_message_id=args.get("parent_message_id"),
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user_id=user.id,
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stream=stream,
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invoke_from=invoke_from,
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@@ -128,6 +128,7 @@ class ChatAppGenerator(MessageBasedAppGenerator):
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inputs=conversation.inputs if conversation else self._get_cleaned_inputs(inputs, app_config),
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query=query,
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files=file_objs,
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parent_message_id=args.get("parent_message_id"),
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user_id=user.id,
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stream=stream,
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invoke_from=invoke_from,
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@@ -218,6 +218,7 @@ class MessageBasedAppGenerator(BaseAppGenerator):
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answer_tokens=0,
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answer_unit_price=0,
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answer_price_unit=0,
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parent_message_id=getattr(application_generate_entity, "parent_message_id", None),
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provider_response_latency=0,
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total_price=0,
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currency="USD",
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@@ -122,6 +122,7 @@ class ChatAppGenerateEntity(EasyUIBasedAppGenerateEntity):
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"""
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conversation_id: Optional[str] = None
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parent_message_id: Optional[str] = None
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class CompletionAppGenerateEntity(EasyUIBasedAppGenerateEntity):
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@@ -138,6 +139,7 @@ class AgentChatAppGenerateEntity(EasyUIBasedAppGenerateEntity):
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"""
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conversation_id: Optional[str] = None
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parent_message_id: Optional[str] = None
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class AdvancedChatAppGenerateEntity(AppGenerateEntity):
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@@ -149,6 +151,7 @@ class AdvancedChatAppGenerateEntity(AppGenerateEntity):
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app_config: WorkflowUIBasedAppConfig
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conversation_id: Optional[str] = None
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parent_message_id: Optional[str] = None
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query: str
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class SingleIterationRunEntity(BaseModel):
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@@ -11,6 +11,7 @@ from core.model_runtime.entities.message_entities import (
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TextPromptMessageContent,
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UserPromptMessage,
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)
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from core.prompt.utils.extract_thread_messages import extract_thread_messages
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from extensions.ext_database import db
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from models.model import AppMode, Conversation, Message, MessageFile
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from models.workflow import WorkflowRun
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@@ -33,8 +34,17 @@ class TokenBufferMemory:
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# fetch limited messages, and return reversed
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query = (
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db.session.query(Message.id, Message.query, Message.answer, Message.created_at, Message.workflow_run_id)
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.filter(Message.conversation_id == self.conversation.id, Message.answer != "")
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db.session.query(
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Message.id,
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Message.query,
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Message.answer,
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Message.created_at,
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Message.workflow_run_id,
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Message.parent_message_id,
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)
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.filter(
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Message.conversation_id == self.conversation.id,
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)
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.order_by(Message.created_at.desc())
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)
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@@ -45,7 +55,12 @@ class TokenBufferMemory:
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messages = query.limit(message_limit).all()
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messages = list(reversed(messages))
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# instead of all messages from the conversation, we only need to extract messages
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# that belong to the thread of last message
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thread_messages = extract_thread_messages(messages)
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thread_messages.pop(0)
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messages = list(reversed(thread_messages))
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message_file_parser = MessageFileParser(tenant_id=app_record.tenant_id, app_id=app_record.id)
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prompt_messages = []
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for message in messages:
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22
api/core/prompt/utils/extract_thread_messages.py
Normal file
22
api/core/prompt/utils/extract_thread_messages.py
Normal file
@@ -0,0 +1,22 @@
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from constants import UUID_NIL
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def extract_thread_messages(messages: list[dict]) -> list[dict]:
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thread_messages = []
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next_message = None
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for message in messages:
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if not message.parent_message_id:
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# If the message is regenerated and does not have a parent message, it is the start of a new thread
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thread_messages.append(message)
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break
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if not next_message:
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thread_messages.append(message)
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next_message = message.parent_message_id
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else:
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if next_message in {message.id, UUID_NIL}:
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thread_messages.append(message)
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next_message = message.parent_message_id
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return thread_messages
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