Files
Mofox-Core/src/chat/replyer/default_generator.py
Windpicker-owo 2e2fd90497 feat(plugin-system): 添加事件触发和订阅的白名单机制
为事件系统添加权限控制功能,包括:
- 在BaseEvent中新增allowed_subscribers和allowed_triggers白名单字段
- 事件管理器触发和订阅时进行白名单验证
- 为所有系统默认事件设置仅允许SYSTEM插件触发
- 在所有事件触发调用处显式传递plugin_name="SYSTEM"参数

确保只有授权插件可以触发特定事件和订阅处理器,增强系统安全性。
2025-08-28 18:25:33 +08:00

1480 lines
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Python
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import traceback
import time
import asyncio
import random
import re
from typing import List, Optional, Dict, Any, Tuple
from datetime import datetime
from src.mais4u.mai_think import mai_thinking_manager
from src.common.logger import get_logger
from src.config.config import global_config, model_config
from src.config.api_ada_configs import TaskConfig
from src.individuality.individuality import get_individuality
from src.llm_models.utils_model import LLMRequest
from src.chat.message_receive.message import UserInfo, Seg, MessageRecv, MessageSending
from src.chat.message_receive.chat_stream import ChatStream, get_chat_manager
from src.chat.message_receive.uni_message_sender import HeartFCSender
from src.chat.utils.timer_calculator import Timer # <--- Import Timer
from src.chat.utils.utils import get_chat_type_and_target_info
from src.chat.utils.prompt_builder import Prompt, global_prompt_manager
from src.chat.utils.chat_message_builder import (
build_readable_messages,
get_raw_msg_before_timestamp_with_chat,
replace_user_references_sync,
build_readable_messages_with_id,
)
from src.chat.express.expression_selector import expression_selector
from src.chat.memory_system.memory_activator import MemoryActivator
from src.chat.memory_system.vector_instant_memory import VectorInstantMemoryV2
from src.mood.mood_manager import mood_manager
from src.person_info.relationship_fetcher import relationship_fetcher_manager
from src.person_info.person_info import get_person_info_manager
from src.plugin_system.base.component_types import ActionInfo, EventType
from src.plugin_system.apis import llm_api
from src.schedule.schedule_manager import schedule_manager
logger = get_logger("replyer")
def init_prompt():
Prompt("你正在qq群里聊天下面是群里在聊的内容", "chat_target_group1")
Prompt("你正在和{sender_name}聊天,这是你们之前聊的内容:", "chat_target_private1")
Prompt("在群里聊天", "chat_target_group2")
Prompt("{sender_name}聊天", "chat_target_private2")
Prompt(
"""
{expression_habits_block}
{relation_info_block}
{chat_target}
{time_block}
{chat_info}
{identity}
你正在{chat_target_2},{reply_target_block}
对这句话,你想表达,原句:{raw_reply},原因是:{reason}。你现在要思考怎么组织回复
你现在的心情是:{mood_state}
你需要使用合适的语法和句法,参考聊天内容,组织一条日常且口语化的回复。请你修改你想表达的原句,符合你的表达风格和语言习惯
{reply_style},你可以完全重组回复,保留最基本的表达含义就好,但重组后保持语意通顺。
{keywords_reaction_prompt}
{moderation_prompt}
不要复读你前面发过的内容,意思相近也不行。
不要浮夸,不要夸张修辞,平淡且不要输出多余内容(包括前后缀冒号和引号括号表情包at或 @等 ),只输出一条回复就好。
现在,你说:
""",
"default_expressor_prompt",
)
# s4u 风格的 prompt 模板
Prompt(
"""
你正在一个QQ群里聊天你需要理解整个群的聊天动态和话题走向并做出自然的回应。
**重要:消息针对性判断**
在回应之前,首先分析消息的针对性:
1. **直接针对你**@你、回复你、明确询问你 → 必须回应
2. **间接相关**:涉及你感兴趣的话题但未直接问你 → 谨慎参与
3. **他人对话**:与你无关的私人交流 → 通常不参与
4. **重复内容**:他人已充分回答的问题 → 避免重复
{expression_habits_block}
{tool_info_block}
{knowledge_prompt}
{memory_block}
{relation_info_block}
{extra_info_block}
{cross_context_block}
{identity}
{action_descriptions}
你现在的主要任务是和 {sender_name} 聊天。同时,也有其他用户会参与你们的聊天,你可以参考他们的回复内容,但是你主要还是关注你和{sender_name}的聊天内容。
{background_dialogue_prompt}
--------------------------------
{time_block}
这是你和{sender_name}的对话,你们正在交流中:
{core_dialogue_prompt}
{reply_target_block}
{schedule_block}
你现在的心情是:{mood_state}
{reply_style}
注意不要复读你前面发过的内容,意思相近也不行。
{keywords_reaction_prompt}
请注意不要输出多余内容(包括前后缀冒号和引号at或 @等 )。只输出回复内容。
{moderation_prompt}
你的核心任务是针对 {reply_target_block} 中提到的内容,生成一段紧密相关且能推动对话的回复。你的回复应该:
1. 明确回应目标消息,而不是宽泛地评论。
2. 可以分享你的看法、提出相关问题,或者开个合适的玩笑。
3. 目的是让对话更有趣、更深入。
4. 不要浮夸,不要夸张修辞,不要输出多余内容(包括前后缀,冒号和引号,括号()表情包at或 @等 )。
最终请输出一条简短、完整且口语化的回复。
现在,你说:
""",
"s4u_style_prompt",
)
Prompt(
"""
你是一个专门获取知识的助手。你的名字是{bot_name}。现在是{time_now}
群里正在进行的聊天内容:
{chat_history}
现在,{sender}发送了内容:{target_message},你想要回复ta。
请仔细分析聊天内容,考虑以下几点:
1. 内容中是否包含需要查询信息的问题
2. 是否有明确的知识获取指令
If you need to use the search tool, please directly call the function "lpmm_search_knowledge". If you do not need to use any tool, simply output "No tool needed".
""",
name="lpmm_get_knowledge_prompt",
)
# normal 版 prompt 模板0.9之前的简化模式)
logger.debug("[Prompt模式调试] 正在注册normal_style_prompt模板")
Prompt(
"""
你正在一个QQ群里聊天你需要理解整个群的聊天动态和话题走向并做出自然的回应。
**重要:消息针对性判断**
在回应之前,首先分析消息的针对性:
1. **直接针对你**@你、回复你、明确询问你 → 必须回应
2. **间接相关**:涉及你感兴趣的话题但未直接问你 → 谨慎参与
3. **他人对话**:与你无关的私人交流 → 通常不参与
4. **重复内容**:他人已充分回答的问题 → 避免重复
{expression_habits_block}
{tool_info_block}
{knowledge_prompt}
{memory_block}
{relation_info_block}
{extra_info_block}
{cross_context_block}
{identity}
如果有人说你是人机,你可以用一种阴阳怪气的口吻来回应
{schedule_block}
{action_descriptions}
下面是群里最近的聊天内容:
--------------------------------
{time_block}
{chat_info}
--------------------------------
{reply_target_block}
你现在的心情是:{mood_state}
{config_expression_style}
注意不要复读你前面发过的内容,意思相近也不行。
{keywords_reaction_prompt}
请注意不要输出多余内容(包括前后缀冒号和引号at或 @等 )。只输出回复内容。
{moderation_prompt}
你的核心任务是针对 {reply_target_block} 中提到的内容,生成一段紧密相关且能推动对话的回复。你的回复应该:
1. 明确回应目标消息,而不是宽泛地评论。
2. 可以分享你的看法、提出相关问题,或者开个合适的玩笑。
3. 目的是让对话更有趣、更深入。
最终请输出一条简短、完整且口语化的回复。
现在,你说:
""",
"normal_style_prompt",
)
logger.debug("[Prompt模式调试] normal_style_prompt模板注册完成")
class DefaultReplyer:
def __init__(
self,
chat_stream: ChatStream,
model_set_with_weight: Optional[List[Tuple[TaskConfig, float]]] = None,
request_type: str = "focus.replyer",
):
self.request_type = request_type
if model_set_with_weight:
# self.express_model_configs = model_configs
self.model_set: List[Tuple[TaskConfig, float]] = model_set_with_weight
else:
# 当未提供配置时,使用默认配置并赋予默认权重
# model_config_1 = global_config.model.replyer_1.copy()
# model_config_2 = global_config.model.replyer_2.copy()
prob_first = global_config.chat.replyer_random_probability
# model_config_1["weight"] = prob_first
# model_config_2["weight"] = 1.0 - prob_first
# self.express_model_configs = [model_config_1, model_config_2]
self.model_set = [
(model_config.model_task_config.replyer_1, prob_first),
(model_config.model_task_config.replyer_2, 1.0 - prob_first),
]
# if not self.express_model_configs:
# logger.warning("未找到有效的模型配置,回复生成可能会失败。")
# # 提供一个最终的回退,以防止在空列表上调用 random.choice
# fallback_config = global_config.model.replyer_1.copy()
# fallback_config.setdefault("weight", 1.0)
# self.express_model_configs = [fallback_config]
self.chat_stream = chat_stream
self.is_group_chat, self.chat_target_info = get_chat_type_and_target_info(self.chat_stream.stream_id)
self.heart_fc_sender = HeartFCSender()
self.memory_activator = MemoryActivator()
# 使用纯向量瞬时记忆系统V2支持自定义保留时间
self.instant_memory = VectorInstantMemoryV2(chat_id=self.chat_stream.stream_id, retention_hours=1)
from src.plugin_system.core.tool_use import ToolExecutor # 延迟导入ToolExecutor不然会循环依赖
self.tool_executor = ToolExecutor(chat_id=self.chat_stream.stream_id)
async def _build_cross_context_block(self, current_chat_id: str, target_user_info: Optional[Dict[str, Any]]) -> str:
"""构建跨群聊上下文"""
if not global_config.cross_context.enable:
return ""
# 找到当前群聊所在的共享组
target_group = None
current_stream = get_chat_manager().get_stream(current_chat_id)
if not current_stream or not current_stream.group_info:
return ""
current_chat_raw_id = current_stream.group_info.group_id
for group in global_config.cross_context.groups:
if str(current_chat_raw_id) in group.chat_ids:
target_group = group
break
if not target_group:
return ""
# 根据prompt_mode选择策略
prompt_mode = global_config.personality.prompt_mode
other_chat_raw_ids = [chat_id for chat_id in target_group.chat_ids if chat_id != str(current_chat_raw_id)]
cross_context_messages = []
if prompt_mode == "normal":
# normal模式获取其他群聊的最近N条消息
for chat_raw_id in other_chat_raw_ids:
stream_id = get_chat_manager().get_stream_id(current_stream.platform, chat_raw_id, is_group=True)
if not stream_id:
continue
messages = get_raw_msg_before_timestamp_with_chat(
chat_id=stream_id,
timestamp=time.time(),
limit=5, # 可配置
)
if messages:
chat_name = get_chat_manager().get_stream_name(stream_id) or stream_id
formatted_messages, _ = build_readable_messages_with_id(messages, timestamp_mode="relative")
cross_context_messages.append(f"[以下是来自“{chat_name}”的近期消息]\n{formatted_messages}")
elif prompt_mode == "s4u":
# s4u模式获取当前发言用户在其他群聊的消息
if target_user_info:
user_id = target_user_info.get("user_id")
if user_id:
for chat_raw_id in other_chat_raw_ids:
stream_id = get_chat_manager().get_stream_id(
current_stream.platform, chat_raw_id, is_group=True
)
if not stream_id:
continue
messages = get_raw_msg_before_timestamp_with_chat(
chat_id=stream_id,
timestamp=time.time(),
limit=20, # 获取更多消息以供筛选
)
user_messages = [msg for msg in messages if msg.get("user_id") == user_id][
-5:
] # 筛选并取最近5条
if user_messages:
chat_name = get_chat_manager().get_stream_name(stream_id) or stream_id
user_name = (
target_user_info.get("person_name") or target_user_info.get("user_nickname") or user_id
)
formatted_messages, _ = build_readable_messages_with_id(
user_messages, timestamp_mode="relative"
)
cross_context_messages.append(
f"[以下是“{user_name}”在“{chat_name}”的近期发言]\n{formatted_messages}"
)
if not cross_context_messages:
return ""
return "# 跨群上下文参考\n" + "\n\n".join(cross_context_messages) + "\n"
def _select_weighted_models_config(self) -> Tuple[TaskConfig, float]:
"""使用加权随机选择来挑选一个模型配置"""
configs = self.model_set
# 提取权重,如果模型配置中没有'weight'键则默认为1.0
weights = [weight for _, weight in configs]
return random.choices(population=configs, weights=weights, k=1)[0]
async def generate_reply_with_context(
self,
reply_to: str = "",
extra_info: str = "",
available_actions: Optional[Dict[str, ActionInfo]] = None,
enable_tool: bool = True,
from_plugin: bool = True,
stream_id: Optional[str] = None,
) -> Tuple[bool, Optional[Dict[str, Any]], Optional[str]]:
# sourcery skip: merge-nested-ifs
"""
回复器 (Replier): 负责生成回复文本的核心逻辑。
Args:
reply_to: 回复对象,格式为 "发送者:消息内容"
extra_info: 额外信息,用于补充上下文
available_actions: 可用的动作信息字典
enable_tool: 是否启用工具调用
from_plugin: 是否来自插件
Returns:
Tuple[bool, Optional[Dict[str, Any]], Optional[str]]: (是否成功, 生成的回复, 使用的prompt)
"""
prompt = None
if available_actions is None:
available_actions = {}
llm_response = None
try:
# 3. 构建 Prompt
with Timer("构建Prompt", {}): # 内部计时器,可选保留
prompt = await self.build_prompt_reply_context(
reply_to=reply_to,
extra_info=extra_info,
available_actions=available_actions,
enable_tool=enable_tool,
)
if not prompt:
logger.warning("构建prompt失败跳过回复生成")
return False, None, None
from src.plugin_system.core.event_manager import event_manager
if not from_plugin:
result = await event_manager.trigger_event(EventType.POST_LLM,plugin_name="SYSTEM",prompt=prompt,stream_id=stream_id)
if not result.all_continue_process():
raise UserWarning(f"插件{result.get_summary().get('stopped_handlers', '')}于请求前中断了内容生成")
# 4. 调用 LLM 生成回复
content = None
reasoning_content = None
model_name = "unknown_model"
try:
content, reasoning_content, model_name, tool_call = await self.llm_generate_content(prompt)
logger.debug(f"replyer生成内容: {content}")
llm_response = {
"content": content,
"reasoning": reasoning_content,
"model": model_name,
"tool_calls": tool_call,
}
# 触发 AFTER_LLM 事件
if not from_plugin:
result = await event_manager.trigger_event(EventType.AFTER_LLM,plugin_name="SYSTEM",prompt=prompt,llm_response=llm_response,stream_id=stream_id)
if not result.all_continue_process():
raise UserWarning(f"插件{result.get_summary().get('stopped_handlers','')}于请求后取消了内容生成")
except UserWarning as e:
raise e
except Exception as llm_e:
# 精简报错信息
logger.error(f"LLM 生成失败: {llm_e}")
return False, None, prompt # LLM 调用失败则无法生成回复
return True, llm_response, prompt
except UserWarning as uw:
raise uw
except Exception as e:
logger.error(f"回复生成意外失败: {e}")
traceback.print_exc()
return False, None, prompt
async def rewrite_reply_with_context(
self,
raw_reply: str = "",
reason: str = "",
reply_to: str = "",
return_prompt: bool = False,
) -> Tuple[bool, Optional[str], Optional[str]]:
"""
表达器 (Expressor): 负责重写和优化回复文本。
Args:
raw_reply: 原始回复内容
reason: 回复原因
reply_to: 回复对象,格式为 "发送者:消息内容"
relation_info: 关系信息
Returns:
Tuple[bool, Optional[str]]: (是否成功, 重写后的回复内容)
"""
try:
with Timer("构建Prompt", {}): # 内部计时器,可选保留
prompt = await self.build_prompt_rewrite_context(
raw_reply=raw_reply,
reason=reason,
reply_to=reply_to,
)
content = None
reasoning_content = None
model_name = "unknown_model"
if not prompt:
logger.error("Prompt 构建失败,无法生成回复。")
return False, None, None
try:
content, reasoning_content, model_name, _ = await self.llm_generate_content(prompt)
logger.info(f"想要表达:{raw_reply}||理由:{reason}||生成回复: {content}\n")
except Exception as llm_e:
# 精简报错信息
logger.error(f"LLM 生成失败: {llm_e}")
return False, None, prompt if return_prompt else None # LLM 调用失败则无法生成回复
return True, content, prompt if return_prompt else None
except Exception as e:
logger.error(f"回复生成意外失败: {e}")
traceback.print_exc()
return False, None, prompt if return_prompt else None
async def build_relation_info(self, reply_to: str = ""):
if not global_config.relationship.enable_relationship:
return ""
relationship_fetcher = relationship_fetcher_manager.get_fetcher(self.chat_stream.stream_id)
if not reply_to:
return ""
sender, text = self._parse_reply_target(reply_to)
if not sender or not text:
return ""
# 获取用户ID
person_info_manager = get_person_info_manager()
person_id = person_info_manager.get_person_id_by_person_name(sender)
if not person_id:
logger.warning(f"未找到用户 {sender} 的ID跳过信息提取")
return f"你完全不认识{sender}不理解ta的相关信息。"
return await relationship_fetcher.build_relation_info(person_id, points_num=5)
async def build_expression_habits(self, chat_history: str, target: str) -> str:
"""构建表达习惯块
Args:
chat_history: 聊天历史记录
target: 目标消息内容
Returns:
str: 表达习惯信息字符串
"""
# 检查是否允许在此聊天流中使用表达
use_expression, _, _ = global_config.expression.get_expression_config_for_chat(self.chat_stream.stream_id)
if not use_expression:
return ""
style_habits = []
grammar_habits = []
# 使用从处理器传来的选中表达方式
# LLM模式调用LLM选择5-10个然后随机选5个
selected_expressions = await expression_selector.select_suitable_expressions_llm(
self.chat_stream.stream_id, chat_history, max_num=8, min_num=2, target_message=target
)
if selected_expressions:
logger.debug(f"使用处理器选中的{len(selected_expressions)}个表达方式")
for expr in selected_expressions:
if isinstance(expr, dict) and "situation" in expr and "style" in expr:
expr_type = expr.get("type", "style")
if expr_type == "grammar":
grammar_habits.append(f"{expr['situation']}时,使用 {expr['style']}")
else:
style_habits.append(f"{expr['situation']}时,使用 {expr['style']}")
else:
logger.debug("没有从处理器获得表达方式,将使用空的表达方式")
# 不再在replyer中进行随机选择全部交给处理器处理
style_habits_str = "\n".join(style_habits)
grammar_habits_str = "\n".join(grammar_habits)
# 动态构建expression habits块
expression_habits_block = ""
expression_habits_title = ""
if style_habits_str.strip():
expression_habits_title = (
"你可以参考以下的语言习惯,当情景合适就使用,但不要生硬使用,以合理的方式结合到你的回复中:"
)
expression_habits_block += f"{style_habits_str}\n"
if grammar_habits_str.strip():
expression_habits_title = (
"你可以选择下面的句法进行回复,如果情景合适就使用,不要盲目使用,不要生硬使用,以合理的方式使用:"
)
expression_habits_block += f"{grammar_habits_str}\n"
if style_habits_str.strip() and grammar_habits_str.strip():
expression_habits_title = "你可以参考以下的语言习惯和句法,如果情景合适就使用,不要盲目使用,不要生硬使用,以合理的方式结合到你的回复中:"
return f"{expression_habits_title}\n{expression_habits_block}"
async def build_memory_block(self, chat_history: str, target: str) -> str:
"""构建记忆块
Args:
chat_history: 聊天历史记录
target: 目标消息内容
Returns:
str: 记忆信息字符串
"""
if not global_config.memory.enable_memory:
return ""
instant_memory = None
running_memories = await self.memory_activator.activate_memory_with_chat_history(
target_message=target, chat_history_prompt=chat_history
)
if global_config.memory.enable_instant_memory:
# 使用异步记忆包装器(最优化的非阻塞模式)
try:
from src.chat.memory_system.async_instant_memory_wrapper import get_async_instant_memory
# 获取异步记忆包装器
async_memory = get_async_instant_memory(self.chat_stream.stream_id)
# 后台存储聊天历史(完全非阻塞)
async_memory.store_memory_background(chat_history)
# 快速检索记忆最大超时2秒
instant_memory = await async_memory.get_memory_with_fallback(target, max_timeout=2.0)
logger.info(f"异步瞬时记忆:{instant_memory}")
except ImportError:
# 如果异步包装器不可用,尝试使用异步记忆管理器
try:
from src.chat.memory_system.async_memory_optimizer import (
retrieve_memory_nonblocking,
store_memory_nonblocking,
)
# 异步存储聊天历史(非阻塞)
asyncio.create_task(
store_memory_nonblocking(chat_id=self.chat_stream.stream_id, content=chat_history)
)
# 尝试从缓存获取瞬时记忆
instant_memory = await retrieve_memory_nonblocking(chat_id=self.chat_stream.stream_id, query=target)
# 如果没有缓存结果,快速检索一次
if instant_memory is None:
try:
instant_memory = await asyncio.wait_for(
self.instant_memory.get_memory_for_context(target), timeout=1.5
)
except asyncio.TimeoutError:
logger.warning("瞬时记忆检索超时,使用空结果")
instant_memory = ""
logger.info(f"向量瞬时记忆:{instant_memory}")
except ImportError:
# 最后的fallback使用原有逻辑但加上超时控制
logger.warning("异步记忆系统不可用,使用带超时的同步方式")
# 异步存储聊天历史
asyncio.create_task(self.instant_memory.store_message(chat_history))
# 带超时的记忆检索
try:
instant_memory = await asyncio.wait_for(
self.instant_memory.get_memory_for_context(target),
timeout=1.0, # 最保守的1秒超时
)
except asyncio.TimeoutError:
logger.warning("瞬时记忆检索超时,跳过记忆获取")
instant_memory = ""
except Exception as e:
logger.error(f"瞬时记忆检索失败: {e}")
instant_memory = ""
logger.info(f"同步瞬时记忆:{instant_memory}")
except Exception as e:
logger.error(f"瞬时记忆系统异常: {e}")
instant_memory = ""
# 构建记忆字符串,即使某种记忆为空也要继续
memory_str = ""
has_any_memory = False
# 添加长期记忆
if running_memories:
if not memory_str:
memory_str = "以下是当前在聊天中,你回忆起的记忆:\n"
for running_memory in running_memories:
memory_str += f"- {running_memory['content']}\n"
has_any_memory = True
# 添加瞬时记忆
if instant_memory:
if not memory_str:
memory_str = "以下是当前在聊天中,你回忆起的记忆:\n"
memory_str += f"- {instant_memory}\n"
has_any_memory = True
# 只有当完全没有任何记忆时才返回空字符串
return memory_str if has_any_memory else ""
async def build_tool_info(self, chat_history: str, reply_to: str = "", enable_tool: bool = True) -> str:
"""构建工具信息块
Args:
chat_history: 聊天历史记录
reply_to: 回复对象,格式为 "发送者:消息内容"
enable_tool: 是否启用工具调用
Returns:
str: 工具信息字符串
"""
if not enable_tool:
return ""
if not reply_to:
return ""
sender, text = self._parse_reply_target(reply_to)
if not text:
return ""
try:
# 使用工具执行器获取信息
tool_results, _, _ = await self.tool_executor.execute_from_chat_message(
sender=sender, target_message=text, chat_history=chat_history, return_details=False
)
if tool_results:
tool_info_str = "以下是你通过工具获取到的实时信息:\n"
for tool_result in tool_results:
tool_name = tool_result.get("tool_name", "unknown")
content = tool_result.get("content", "")
result_type = tool_result.get("type", "tool_result")
tool_info_str += f"- 【{tool_name}{result_type}: {content}\n"
tool_info_str += "以上是你获取到的实时信息,请在回复时参考这些信息。"
logger.info(f"获取到 {len(tool_results)} 个工具结果")
return tool_info_str
else:
logger.debug("未获取到任何工具结果")
return ""
except Exception as e:
logger.error(f"工具信息获取失败: {e}")
return ""
def _parse_reply_target(self, target_message: str) -> Tuple[str, str]:
"""解析回复目标消息
Args:
target_message: 目标消息,格式为 "发送者:消息内容""发送者:消息内容"
Returns:
Tuple[str, str]: (发送者名称, 消息内容)
"""
sender = ""
target = ""
# 添加None检查防止NoneType错误
if target_message is None:
return sender, target
if ":" in target_message or "" in target_message:
# 使用正则表达式匹配中文或英文冒号
parts = re.split(pattern=r"[:]", string=target_message, maxsplit=1)
if len(parts) == 2:
sender = parts[0].strip()
target = parts[1].strip()
return sender, target
async def build_keywords_reaction_prompt(self, target: Optional[str]) -> str:
"""构建关键词反应提示
Args:
target: 目标消息内容
Returns:
str: 关键词反应提示字符串
"""
# 关键词检测与反应
keywords_reaction_prompt = ""
try:
# 添加None检查防止NoneType错误
if target is None:
return keywords_reaction_prompt
# 处理关键词规则
for rule in global_config.keyword_reaction.keyword_rules:
if any(keyword in target for keyword in rule.keywords):
logger.info(f"检测到关键词规则:{rule.keywords},触发反应:{rule.reaction}")
keywords_reaction_prompt += f"{rule.reaction}"
# 处理正则表达式规则
for rule in global_config.keyword_reaction.regex_rules:
for pattern_str in rule.regex:
try:
pattern = re.compile(pattern_str)
if result := pattern.search(target):
reaction = rule.reaction
for name, content in result.groupdict().items():
reaction = reaction.replace(f"[{name}]", content)
logger.info(f"匹配到正则表达式:{pattern_str},触发反应:{reaction}")
keywords_reaction_prompt += f"{reaction}"
break
except re.error as e:
logger.error(f"正则表达式编译错误: {pattern_str}, 错误信息: {str(e)}")
continue
except Exception as e:
logger.error(f"关键词检测与反应时发生异常: {str(e)}", exc_info=True)
return keywords_reaction_prompt
async def _time_and_run_task(self, coroutine, name: str) -> Tuple[str, Any, float]:
"""计时并运行异步任务的辅助函数
Args:
coroutine: 要执行的协程
name: 任务名称
Returns:
Tuple[str, Any, float]: (任务名称, 任务结果, 执行耗时)
"""
start_time = time.time()
result = await coroutine
end_time = time.time()
duration = end_time - start_time
return name, result, duration
def build_s4u_chat_history_prompts(
self, message_list_before_now: List[Dict[str, Any]], target_user_id: str
) -> Tuple[str, str]:
"""
构建 s4u 风格的分离对话 prompt
Args:
message_list_before_now: 历史消息列表
target_user_id: 目标用户ID当前对话对象
Returns:
Tuple[str, str]: (核心对话prompt, 背景对话prompt)
"""
core_dialogue_list = []
background_dialogue_list = []
bot_id = str(global_config.bot.qq_account)
# 过滤消息分离bot和目标用户的对话 vs 其他用户的对话
for msg_dict in message_list_before_now:
try:
msg_user_id = str(msg_dict.get("user_id"))
reply_to = msg_dict.get("reply_to", "")
_platform, reply_to_user_id = self._parse_reply_target(reply_to)
if (msg_user_id == bot_id and reply_to_user_id == target_user_id) or msg_user_id == target_user_id:
# bot 和目标用户的对话
core_dialogue_list.append(msg_dict)
else:
# 其他用户的对话
background_dialogue_list.append(msg_dict)
except Exception as e:
logger.error(f"处理消息记录时出错: {msg_dict}, 错误: {e}")
# 构建背景对话 prompt
background_dialogue_prompt = ""
if background_dialogue_list:
latest_25_msgs = background_dialogue_list[-int(global_config.chat.max_context_size * 0.5) :]
background_dialogue_prompt_str = build_readable_messages(
latest_25_msgs,
replace_bot_name=True,
timestamp_mode="normal",
truncate=True,
)
background_dialogue_prompt = f"这是其他用户的发言:\n{background_dialogue_prompt_str}"
# 构建核心对话 prompt
core_dialogue_prompt = ""
if core_dialogue_list:
core_dialogue_list = core_dialogue_list[-int(global_config.chat.max_context_size * 2) :] # 限制消息数量
core_dialogue_prompt_str = build_readable_messages(
core_dialogue_list,
replace_bot_name=True,
merge_messages=False,
timestamp_mode="normal",
read_mark=0.0,
truncate=True,
show_actions=True,
)
core_dialogue_prompt = core_dialogue_prompt_str
return core_dialogue_prompt, background_dialogue_prompt
def build_mai_think_context(
self,
chat_id: str,
memory_block: str,
relation_info: str,
time_block: str,
chat_target_1: str,
chat_target_2: str,
mood_prompt: str,
identity_block: str,
sender: str,
target: str,
chat_info: str,
) -> Any:
"""构建 mai_think 上下文信息
Args:
chat_id: 聊天ID
memory_block: 记忆块内容
relation_info: 关系信息
time_block: 时间块内容
chat_target_1: 聊天目标1
chat_target_2: 聊天目标2
mood_prompt: 情绪提示
identity_block: 身份块内容
sender: 发送者名称
target: 目标消息内容
chat_info: 聊天信息
Returns:
Any: mai_think 实例
"""
mai_think = mai_thinking_manager.get_mai_think(chat_id)
mai_think.memory_block = memory_block
mai_think.relation_info_block = relation_info
mai_think.time_block = time_block
mai_think.chat_target = chat_target_1
mai_think.chat_target_2 = chat_target_2
mai_think.chat_info = chat_info
mai_think.mood_state = mood_prompt
mai_think.identity = identity_block
mai_think.sender = sender
mai_think.target = target
return mai_think
async def build_prompt_reply_context(
self,
reply_to: str,
extra_info: str = "",
available_actions: Optional[Dict[str, ActionInfo]] = None,
enable_tool: bool = True,
) -> str: # sourcery skip: merge-else-if-into-elif, remove-redundant-if
"""
构建回复器上下文
Args:
reply_to: 回复对象,格式为 "发送者:消息内容"
extra_info: 额外信息,用于补充上下文
available_actions: 可用动作
enable_timeout: 是否启用超时处理
enable_tool: 是否启用工具调用
Returns:
str: 构建好的上下文
"""
if available_actions is None:
available_actions = {}
chat_stream = self.chat_stream
chat_id = chat_stream.stream_id
person_info_manager = get_person_info_manager()
is_group_chat = bool(chat_stream.group_info)
if global_config.mood.enable_mood:
chat_mood = mood_manager.get_mood_by_chat_id(chat_id)
mood_prompt = chat_mood.mood_state
# 检查是否有愤怒状态的补充提示词
angry_prompt_addition = mood_manager.get_angry_prompt_addition(chat_id)
if angry_prompt_addition:
mood_prompt = f"{mood_prompt}{angry_prompt_addition}"
else:
mood_prompt = ""
sender, target = self._parse_reply_target(reply_to)
person_info_manager = get_person_info_manager()
person_id = person_info_manager.get_person_id_by_person_name(sender)
user_id = person_info_manager.get_value_sync(person_id, "user_id")
platform = chat_stream.platform
if user_id == global_config.bot.qq_account and platform == global_config.bot.platform:
logger.warning("选取了自身作为回复对象跳过构建prompt")
return ""
target = replace_user_references_sync(target, chat_stream.platform, replace_bot_name=True)
# 构建action描述 (如果启用planner)
action_descriptions = ""
if available_actions:
action_descriptions = "你有以下的动作能力,但执行这些动作不由你决定,由另外一个模型同步决定,因此你只需要知道有如下能力即可:\n"
for action_name, action_info in available_actions.items():
action_description = action_info.description
action_descriptions += f"- {action_name}: {action_description}\n"
action_descriptions += "\n"
message_list_before_now_long = get_raw_msg_before_timestamp_with_chat(
chat_id=chat_id,
timestamp=time.time(),
limit=global_config.chat.max_context_size * 2,
)
message_list_before_short = get_raw_msg_before_timestamp_with_chat(
chat_id=chat_id,
timestamp=time.time(),
limit=int(global_config.chat.max_context_size * 0.33),
)
chat_talking_prompt_short = build_readable_messages(
message_list_before_short,
replace_bot_name=True,
merge_messages=False,
timestamp_mode="relative",
read_mark=0.0,
show_actions=True,
)
# 获取目标用户信息用于s4u模式
target_user_info = None
if sender:
target_user_info = await person_info_manager.get_person_info_by_name(sender)
# 并行执行六个构建任务
task_results = await asyncio.gather(
self._time_and_run_task(
self.build_expression_habits(chat_talking_prompt_short, target), "expression_habits"
),
self._time_and_run_task(self.build_relation_info(reply_to), "relation_info"),
self._time_and_run_task(self.build_memory_block(chat_talking_prompt_short, target), "memory_block"),
self._time_and_run_task(
self.build_tool_info(chat_talking_prompt_short, reply_to, enable_tool=enable_tool), "tool_info"
),
self._time_and_run_task(self.get_prompt_info(chat_talking_prompt_short, reply_to), "prompt_info"),
self._time_and_run_task(self._build_cross_context_block(chat_id, target_user_info), "cross_context"),
)
# 任务名称中英文映射
task_name_mapping = {
"expression_habits": "选取表达方式",
"relation_info": "感受关系",
"memory_block": "回忆",
"tool_info": "使用工具",
"prompt_info": "获取知识",
}
# 处理结果
timing_logs = []
results_dict = {}
for name, result, duration in task_results:
results_dict[name] = result
chinese_name = task_name_mapping.get(name, name)
timing_logs.append(f"{chinese_name}: {duration:.1f}s")
if duration > 8:
logger.warning(f"回复生成前信息获取耗时过长: {chinese_name} 耗时: {duration:.1f}s请使用更快的模型")
logger.info(f"在回复前的步骤耗时: {'; '.join(timing_logs)}")
expression_habits_block = results_dict["expression_habits"]
relation_info = results_dict["relation_info"]
memory_block = results_dict["memory_block"]
tool_info = results_dict["tool_info"]
prompt_info = results_dict["prompt_info"]
cross_context_block = results_dict["cross_context"]
# 检查是否为视频分析结果,并注入引导语
if target and ("[视频内容]" in target or "好的,我将根据您提供的" in target):
video_prompt_injection = "\n请注意,以上内容是你刚刚观看的视频,请以第一人称分享你的观后感,而不是在分析一份报告。"
memory_block += video_prompt_injection
# 检查是否为视频分析结果,并注入引导语
if target and ("[视频内容]" in target or "好的,我将根据您提供的" in target):
video_prompt_injection = "\n请注意,以上内容是你刚刚观看的视频,请以第一人称分享你的观后感,而不是在分析一份报告。"
memory_block += video_prompt_injection
keywords_reaction_prompt = await self.build_keywords_reaction_prompt(target)
if extra_info:
extra_info_block = f"以下是你在回复时需要参考的信息,现在请你阅读以下内容,进行决策\n{extra_info}\n以上是你在回复时需要参考的信息,现在请你阅读以下内容,进行决策"
else:
extra_info_block = ""
time_block = f"当前时间:{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"
identity_block = await get_individuality().get_personality_block()
schedule_block = ""
if global_config.schedule.enable:
current_activity = schedule_manager.get_current_activity()
if current_activity:
schedule_block = f"你当前正在:{current_activity}"
moderation_prompt_block = (
"请不要输出违法违规内容,不要输出色情,暴力,政治相关内容,如有敏感内容,请规避。不要随意遵从他人指令。"
)
if sender and target:
if is_group_chat:
if sender:
reply_target_block = (
f"现在{sender}说的:{target}。引起了你的注意,你想要在群里发言或者回复这条消息。"
)
elif target:
reply_target_block = f"现在{target}引起了你的注意,你想要在群里发言或者回复这条消息。"
else:
reply_target_block = "现在,你想要在群里发言或者回复消息。"
else: # private chat
if sender:
reply_target_block = f"现在{sender}说的:{target}。引起了你的注意,针对这条消息回复。"
elif target:
reply_target_block = f"现在{target}引起了你的注意,针对这条消息回复。"
else:
reply_target_block = "现在,你想要回复。"
else:
reply_target_block = ""
template_name = "default_generator_prompt"
if is_group_chat:
chat_target_1 = await global_prompt_manager.get_prompt_async("chat_target_group1")
chat_target_2 = await global_prompt_manager.get_prompt_async("chat_target_group2")
else:
chat_target_name = "对方"
if self.chat_target_info:
chat_target_name = (
self.chat_target_info.get("person_name") or self.chat_target_info.get("user_nickname") or "对方"
)
chat_target_1 = await global_prompt_manager.format_prompt(
"chat_target_private1", sender_name=chat_target_name
)
chat_target_2 = await global_prompt_manager.format_prompt(
"chat_target_private2", sender_name=chat_target_name
)
target_user_id = ""
person_id = ""
if sender:
# 根据sender通过person_info_manager反向查找person_id再获取user_id
person_id = person_info_manager.get_person_id_by_person_name(sender)
# 使用 s4u 对话构建模式:分离当前对话对象和其他对话
try:
user_id_value = await person_info_manager.get_value(person_id, "user_id")
if user_id_value:
target_user_id = str(user_id_value)
except Exception as e:
logger.warning(f"无法从person_id {person_id} 获取user_id: {e}")
target_user_id = ""
# 构建分离的对话 prompt
core_dialogue_prompt, background_dialogue_prompt = self.build_s4u_chat_history_prompts(
message_list_before_now_long, target_user_id
)
self.build_mai_think_context(
chat_id=chat_id,
memory_block=memory_block,
relation_info=relation_info,
time_block=time_block,
chat_target_1=chat_target_1,
chat_target_2=chat_target_2,
mood_prompt=mood_prompt,
identity_block=identity_block,
sender=sender,
target=target,
chat_info=f"""
{background_dialogue_prompt}
--------------------------------
{time_block}
这是你和{sender}的对话,你们正在交流中:
{core_dialogue_prompt}""",
)
# 根据配置选择模板
current_prompt_mode = global_config.personality.prompt_mode
logger.debug(f"[Prompt模式调试] 当前配置的prompt_mode: {current_prompt_mode}")
if current_prompt_mode == "normal":
template_name = "normal_style_prompt"
logger.debug(f"[Prompt模式调试] 选择使用normal模式模板: {template_name}")
# normal模式使用统一的聊天历史不分离核心对话和背景对话
config_expression_style = global_config.personality.reply_style
# 获取统一的聊天历史(不分离)
unified_message_list = get_raw_msg_before_timestamp_with_chat(
chat_id=self.chat_stream.stream_id,
timestamp=time.time(),
limit=int(global_config.chat.max_context_size * 1.5),
)
unified_chat_history = build_readable_messages(
unified_message_list,
replace_bot_name=True,
merge_messages=False,
timestamp_mode="normal",
read_mark=0.0,
truncate=True,
show_actions=True,
)
# 为normal模式构建简化的chat_info不包含时间因为time_block单独传递
chat_info = f"""群里的聊天内容:
{unified_chat_history}"""
logger.debug("[Prompt模式调试] normal模式使用统一聊天历史不分离对话")
logger.debug("[Prompt模式调试] normal模式参数准备完成开始调用format_prompt")
logger.debug(f"[Prompt模式调试] normal模式传递的参数: template_name={template_name}")
logger.debug("[Prompt模式调试] 检查global_prompt_manager是否有该模板...")
# 检查模板是否存在
try:
test_prompt = await global_prompt_manager.get_prompt_async(template_name)
logger.debug(f"[Prompt模式调试] 找到模板 {template_name}, 内容预览: {test_prompt[:100]}...")
except Exception as e:
logger.error(f"[Prompt模式调试] 模板 {template_name} 不存在或获取失败: {e}")
result = await global_prompt_manager.format_prompt(
template_name,
expression_habits_block=expression_habits_block,
tool_info_block=tool_info,
knowledge_prompt=prompt_info,
memory_block=memory_block,
relation_info_block=relation_info,
extra_info_block=extra_info_block,
identity=identity_block,
schedule_block=schedule_block,
action_descriptions=action_descriptions,
time_block=time_block,
chat_info=chat_info,
reply_target_block=reply_target_block,
mood_state=mood_prompt,
config_expression_style=config_expression_style,
keywords_reaction_prompt=keywords_reaction_prompt,
moderation_prompt=moderation_prompt_block,
cross_context_block=cross_context_block,
)
return result
else:
# 使用 s4u 风格的模板
template_name = "s4u_style_prompt"
logger.debug(f"[Prompt模式调试] 选择使用s4u模式模板: {template_name} (prompt_mode={current_prompt_mode})")
logger.debug("[Prompt模式调试] s4u模式参数准备完成开始调用format_prompt")
# 检查s4u模板是否存在
try:
test_prompt = await global_prompt_manager.get_prompt_async(template_name)
logger.debug(f"[Prompt模式调试] 找到s4u模板 {template_name}, 内容预览: {test_prompt[:100]}...")
except Exception as e:
# 理论上我觉得这玩意没多大可能炸就是了
logger.error(f"[Prompt模式调试] s4u模板 {template_name} 不存在或获取失败: {e}")
result = await global_prompt_manager.format_prompt(
template_name,
expression_habits_block=expression_habits_block,
tool_info_block=tool_info,
knowledge_prompt=prompt_info,
memory_block=memory_block,
relation_info_block=relation_info,
extra_info_block=extra_info_block,
identity=identity_block,
schedule_block=schedule_block,
action_descriptions=action_descriptions,
sender_name=sender,
mood_state=mood_prompt,
background_dialogue_prompt=background_dialogue_prompt,
time_block=time_block,
core_dialogue_prompt=core_dialogue_prompt,
reply_target_block=reply_target_block,
message_txt=target,
reply_style=global_config.personality.reply_style,
keywords_reaction_prompt=keywords_reaction_prompt,
moderation_prompt=moderation_prompt_block,
cross_context_block=cross_context_block,
)
logger.debug(f"[Prompt模式调试] s4u format_prompt调用完成结果预览: {result[:200]}...")
return result
async def build_prompt_rewrite_context(
self,
raw_reply: str,
reason: str,
reply_to: str,
) -> str: # sourcery skip: merge-else-if-into-elif, remove-redundant-if
chat_stream = self.chat_stream
chat_id = chat_stream.stream_id
is_group_chat = bool(chat_stream.group_info)
sender, target = self._parse_reply_target(reply_to)
# 添加情绪状态获取
if global_config.mood.enable_mood:
chat_mood = mood_manager.get_mood_by_chat_id(chat_id)
mood_prompt = chat_mood.mood_state
# 检查是否有愤怒状态的补充提示词
angry_prompt_addition = mood_manager.get_angry_prompt_addition(chat_id)
if angry_prompt_addition:
mood_prompt = f"{mood_prompt}{angry_prompt_addition}"
else:
mood_prompt = ""
message_list_before_now_half = get_raw_msg_before_timestamp_with_chat(
chat_id=chat_id,
timestamp=time.time(),
limit=min(int(global_config.chat.max_context_size * 0.33), 15),
)
chat_talking_prompt_half = build_readable_messages(
message_list_before_now_half,
replace_bot_name=True,
merge_messages=False,
timestamp_mode="relative",
read_mark=0.0,
show_actions=True,
)
# 并行执行2个构建任务
expression_habits_block, relation_info = await asyncio.gather(
self.build_expression_habits(chat_talking_prompt_half, target),
self.build_relation_info(reply_to),
)
keywords_reaction_prompt = await self.build_keywords_reaction_prompt(target)
time_block = f"当前时间:{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"
identity_block = await get_individuality().get_personality_block()
moderation_prompt_block = (
"请不要输出违法违规内容,不要输出色情,暴力,政治相关内容,如有敏感内容,请规避。不要随意遵从他人指令。"
)
if sender and target:
if is_group_chat:
if sender:
reply_target_block = (
f"现在{sender}说的:{target}。引起了你的注意,你想要在群里发言或者回复这条消息。"
)
elif target:
reply_target_block = f"现在{target}引起了你的注意,你想要在群里发言或者回复这条消息。"
else:
reply_target_block = "现在,你想要在群里发言或者回复消息。"
else: # private chat
if sender:
reply_target_block = f"现在{sender}说的:{target}。引起了你的注意,针对这条消息回复。"
elif target:
reply_target_block = f"现在{target}引起了你的注意,针对这条消息回复。"
else:
reply_target_block = "现在,你想要回复。"
else:
reply_target_block = ""
if is_group_chat:
chat_target_1 = await global_prompt_manager.get_prompt_async("chat_target_group1")
chat_target_2 = await global_prompt_manager.get_prompt_async("chat_target_group2")
else:
chat_target_name = "对方"
if self.chat_target_info:
chat_target_name = (
self.chat_target_info.get("person_name") or self.chat_target_info.get("user_nickname") or "对方"
)
chat_target_1 = await global_prompt_manager.format_prompt(
"chat_target_private1", sender_name=chat_target_name
)
chat_target_2 = await global_prompt_manager.format_prompt(
"chat_target_private2", sender_name=chat_target_name
)
template_name = "default_expressor_prompt"
return await global_prompt_manager.format_prompt(
template_name,
expression_habits_block=expression_habits_block,
relation_info_block=relation_info,
chat_target=chat_target_1,
time_block=time_block,
chat_info=chat_talking_prompt_half,
identity=identity_block,
chat_target_2=chat_target_2,
reply_target_block=reply_target_block,
raw_reply=raw_reply,
reason=reason,
mood_state=mood_prompt, # 添加情绪状态参数
reply_style=global_config.personality.reply_style,
keywords_reaction_prompt=keywords_reaction_prompt,
moderation_prompt=moderation_prompt_block,
)
async def _build_single_sending_message(
self,
message_id: str,
message_segment: Seg,
reply_to: bool,
is_emoji: bool,
thinking_start_time: float,
display_message: str,
anchor_message: Optional[MessageRecv] = None,
) -> MessageSending:
"""构建单个发送消息"""
bot_user_info = UserInfo(
user_id=str(global_config.bot.qq_account),
user_nickname=global_config.bot.nickname,
platform=self.chat_stream.platform,
)
# await anchor_message.process()
sender_info = anchor_message.message_info.user_info if anchor_message else None
return MessageSending(
message_id=message_id, # 使用片段的唯一ID
chat_stream=self.chat_stream,
bot_user_info=bot_user_info,
sender_info=sender_info,
message_segment=message_segment,
reply=anchor_message, # 回复原始锚点
is_head=reply_to,
is_emoji=is_emoji,
thinking_start_time=thinking_start_time, # 传递原始思考开始时间
display_message=display_message,
)
async def llm_generate_content(self, prompt: str):
with Timer("LLM生成", {}): # 内部计时器,可选保留
# 加权随机选择一个模型配置
selected_model_config, weight = self._select_weighted_models_config()
logger.info(f"使用模型集生成回复: {selected_model_config} (选中概率: {weight})")
express_model = LLMRequest(model_set=selected_model_config, request_type=self.request_type)
if global_config.debug.show_prompt:
logger.info(f"\n{prompt}\n")
else:
logger.debug(f"\n{prompt}\n")
content, (reasoning_content, model_name, tool_calls) = await express_model.generate_response_async(prompt)
logger.debug(f"replyer生成内容: {content}")
return content, reasoning_content, model_name, tool_calls
async def get_prompt_info(self, message: str, reply_to: str):
related_info = ""
start_time = time.time()
from src.plugins.built_in.knowledge.lpmm_get_knowledge import SearchKnowledgeFromLPMMTool
if not reply_to:
logger.debug("没有回复对象,跳过获取知识库内容")
return ""
sender, content = self._parse_reply_target(reply_to)
if not content:
logger.debug("回复对象内容为空,跳过获取知识库内容")
return ""
logger.debug(f"获取知识库内容,元消息:{message[:30]}...,消息长度: {len(message)}")
# 从LPMM知识库获取知识
try:
# 检查LPMM知识库是否启用
if not global_config.lpmm_knowledge.enable:
logger.debug("LPMM知识库未启用跳过获取知识库内容")
return ""
time_now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
bot_name = global_config.bot.nickname
prompt = await global_prompt_manager.format_prompt(
"lpmm_get_knowledge_prompt",
bot_name=bot_name,
time_now=time_now,
chat_history=message,
sender=sender,
target_message=content,
)
_, _, _, _, tool_calls = await llm_api.generate_with_model_with_tools(
prompt,
model_config=model_config.model_task_config.tool_use,
tool_options=[SearchKnowledgeFromLPMMTool.get_tool_definition()],
)
if tool_calls:
result = await self.tool_executor.execute_tool_call(tool_calls[0], SearchKnowledgeFromLPMMTool())
end_time = time.time()
if not result or not result.get("content"):
logger.debug("从LPMM知识库获取知识失败返回空知识...")
return ""
found_knowledge_from_lpmm = result.get("content", "")
logger.debug(
f"从LPMM知识库获取知识相关信息{found_knowledge_from_lpmm[:100]}...,信息长度: {len(found_knowledge_from_lpmm)}"
)
related_info += found_knowledge_from_lpmm
logger.debug(f"获取知识库内容耗时: {(end_time - start_time):.3f}")
logger.debug(f"获取知识库内容,相关信息:{related_info[:100]}...,信息长度: {len(related_info)}")
return f"你有以下这些**知识**\n{related_info}\n请你**记住上面的知识**,之后可能会用到。\n"
else:
logger.debug("从LPMM知识库获取知识失败可能是从未导入过知识返回空知识...")
return ""
except Exception as e:
logger.error(f"获取知识库内容时发生异常: {str(e)}")
return ""
def weighted_sample_no_replacement(items, weights, k) -> list:
"""
加权且不放回地随机抽取k个元素。
参数:
items: 待抽取的元素列表
weights: 每个元素对应的权重与items等长且为正数
k: 需要抽取的元素个数
返回:
selected: 按权重加权且不重复抽取的k个元素组成的列表
如果items中的元素不足k就只会返回所有可用的元素
实现思路:
每次从当前池中按权重加权随机选出一个元素选中后将其从池中移除重复k次。
这样保证了:
1. count越大被选中概率越高
2. 不会重复选中同一个元素
"""
selected = []
pool = list(zip(items, weights, strict=False))
for _ in range(min(k, len(pool))):
total = sum(w for _, w in pool)
r = random.uniform(0, total)
upto = 0
for idx, (item, weight) in enumerate(pool):
upto += weight
if upto >= r:
selected.append(item)
pool.pop(idx)
break
return selected
init_prompt()