Files
DB-GPT/pilot/scene/message.py
2023-09-12 20:49:55 +08:00

136 lines
4.2 KiB
Python

from __future__ import annotations
from datetime import datetime
from typing import List
from pilot.scene.base_message import (
BaseMessage,
AIMessage,
HumanMessage,
SystemMessage,
ViewMessage,
messages_to_dict,
messages_from_dict,
)
class OnceConversation:
"""
All the information of a conversation, the current single service in memory, can expand cache and database support distributed services
"""
def __init__(self, chat_mode):
self.chat_mode: str = chat_mode
self.messages: List[BaseMessage] = []
self.start_date: str = ""
self.chat_order: int = 0
self.model_name: str = ""
self.param_type: str = ""
self.param_value: str = ""
self.cost: int = 0
self.tokens: int = 0
def add_user_message(self, message: str) -> None:
"""Add a user message to the store"""
has_message = any(
isinstance(instance, HumanMessage) for instance in self.messages
)
if has_message:
raise ValueError("Already Have Human message")
self.messages.append(HumanMessage(content=message))
def add_ai_message(self, message: str) -> None:
"""Add an AI message to the store"""
has_message = any(isinstance(instance, AIMessage) for instance in self.messages)
if has_message:
self.__update_ai_message(message)
else:
self.messages.append(AIMessage(content=message))
""" """
def __update_ai_message(self, new_message: str) -> None:
"""
stream out message update
Args:
new_message:
Returns:
"""
for item in self.messages:
if item.type == "ai":
item.content = new_message
def add_view_message(self, message: str) -> None:
"""Add an AI message to the store"""
self.messages.append(ViewMessage(content=message))
""" """
def add_system_message(self, message: str) -> None:
"""Add an AI message to the store"""
self.messages.append(SystemMessage(content=message))
def set_start_time(self, datatime: datetime):
dt_str = datatime.strftime("%Y-%m-%d %H:%M:%S")
self.start_date = dt_str
def clear(self) -> None:
"""Remove all messages from the store"""
self.messages.clear()
self.session_id = None
def get_user_conv(self):
for message in self.messages:
if isinstance(message, HumanMessage):
return message
return None
def get_system_conv(self):
system_convs = []
for message in self.messages:
if isinstance(message, SystemMessage):
system_convs.append(message)
return system_convs
def _conversation_to_dic(once: OnceConversation) -> dict:
start_str: str = ""
if hasattr(once, "start_date") and once.start_date:
if isinstance(once.start_date, datetime):
start_str = once.start_date.strftime("%Y-%m-%d %H:%M:%S")
else:
start_str = once.start_date
return {
"chat_mode": once.chat_mode,
"model_name": once.model_name,
"chat_order": once.chat_order,
"start_date": start_str,
"cost": once.cost if once.cost else 0,
"tokens": once.tokens if once.tokens else 0,
"messages": messages_to_dict(once.messages),
"param_type": once.param_type,
"param_value": once.param_value,
}
def conversations_to_dict(conversations: List[OnceConversation]) -> List[dict]:
return [_conversation_to_dic(m) for m in conversations]
def conversation_from_dict(once: dict) -> OnceConversation:
conversation = OnceConversation()
conversation.cost = once.get("cost", 0)
conversation.chat_mode = once.get("chat_mode", "chat_normal")
conversation.tokens = once.get("tokens", 0)
conversation.start_date = once.get("start_date", "")
conversation.chat_order = int(once.get("chat_order"))
conversation.param_type = once.get("param_type", "")
conversation.param_value = once.get("param_value", "")
conversation.model_name = once.get("model_name", "proxyllm")
print(once.get("messages"))
conversation.messages = messages_from_dict(once.get("messages", []))
return conversation