217 lines
9.0 KiB
Python
217 lines
9.0 KiB
Python
import time
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import random
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from dotenv import load_dotenv
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from ..schedule.schedule_generator import bot_schedule
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import os
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from .utils import get_embedding, combine_messages, get_recent_group_messages
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from ...common.database import Database
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# 获取当前文件的绝对路径
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current_dir = os.path.dirname(os.path.abspath(__file__))
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root_dir = os.path.abspath(os.path.join(current_dir, '..', '..', '..'))
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load_dotenv(os.path.join(root_dir, '.env'))
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class PromptBuilder:
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def __init__(self):
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self.prompt_built = ''
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self.activate_messages = ''
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self.db = Database.get_instance()
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def _build_prompt(self,
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message_txt: str,
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sender_name: str = "某人",
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relationship_value: float = 0.0,
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group_id: int = None) -> str:
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"""构建prompt
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Args:
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message_txt: 消息文本
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sender_name: 发送者昵称
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relationship_value: 关系值
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group_id: 群组ID
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Returns:
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str: 构建好的prompt
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"""
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#先禁用关系
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if 0 > 30:
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relation_prompt = "关系特别特别好,你很喜欢喜欢他"
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relation_prompt_2 = "热情发言或者回复"
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elif 0 <-20:
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relation_prompt = "关系很差,你很讨厌他"
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relation_prompt_2 = "骂他"
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else:
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relation_prompt = "关系一般"
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relation_prompt_2 = "发言或者回复"
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#开始构建prompt
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#日程构建
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current_date = time.strftime("%Y-%m-%d", time.localtime())
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current_time = time.strftime("%H:%M:%S", time.localtime())
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bot_schedule_now_time,bot_schedule_now_activity = bot_schedule.get_current_task()
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prompt_date = f'''今天是{current_date},现在是{current_time},你今天的日程是:\n{bot_schedule.today_schedule}\n你现在正在{bot_schedule_now_activity}\n'''
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#知识构建
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prompt_info = ''
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promt_info_prompt = ''
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prompt_info = self.get_prompt_info(message_txt)
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if prompt_info:
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prompt_info = f'''\n----------------------------------------------------\n你有以下这些[知识]:
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\n{prompt_info}\n
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请你记住上面的[知识],之后可能会用到\n----------------------------------------------------\n'''
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promt_info_prompt = '你有一些[知识],在上面可以参考。'
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chat_talking_prompt = ''
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if group_id:
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# 从数据库获取最近消息
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message_objects = get_recent_group_messages(self.db, group_id, limit=16)
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if message_objects:
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chat_talking_prompt = combine_messages(message_objects)
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# print(f"\033[1;34m[调试]\033[0m 已从数据库获取群 {group_id} 的最近{len(message_objects)}条消息记录")
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#激活prompt构建
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activate_prompt = ''
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activate_prompt = f"以上是群里正在进行的聊天,昵称为 '{sender_name}' 的用户说的:{message_txt}。引起了你的注意,你和他{relation_prompt},你想要{relation_prompt_2}。"
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#检测机器人相关词汇
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bot_keywords = ['人机', 'bot', '机器', '入机', 'robot', '机器人']
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is_bot = any(keyword in message_txt.lower() for keyword in bot_keywords)
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if is_bot:
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is_bot_prompt = '有人说你是人机或者机器人,否定这一事实,攻击或反问他。'
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else:
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is_bot_prompt = ''
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#人格选择
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prompt_personality = ''
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personality_choice = random.random()
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if personality_choice < 4/6: # 第一种人格
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prompt_personality = f'''你的网名叫麦麦,是一个学习地质的女大学生,喜欢摄影,你会刷贴吧,你正在浏览qq群,{promt_info_prompt},
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{activate_prompt}
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现在请你给出日常且口语化的回复,平淡一些,尽量简短一些。{is_bot_prompt}
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请注意把握群里的聊天内容,不要回复的太有条理,可以有个性。'''
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elif personality_choice < 1: # 第二种人格
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prompt_personality = f'''你的网名叫麦麦,是一个女大学生,你有黑色头发,你会刷小红书, 你正在浏览qq群,{promt_info_prompt},
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{activate_prompt}
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现在请你给出日常且口语化的回复,请表现你自己的见解,不要一昧迎合,尽量简短一些。{is_bot_prompt}
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请你表达自己的见解和观点。可以有个性。'''
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#中文高手
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prompt_ger = ''
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if random.random() < 0.04:
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prompt_ger += '你喜欢用倒装句'
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if random.random() < 0.02:
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prompt_ger += '你喜欢用反问句'
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if random.random() < 0.01:
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prompt_ger += '你喜欢用文言文'
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#额外信息要求
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extra_info = '''但是记得回复平淡一些,简短一些,不要过多提及自身的背景, 记住不要输出多余内容(包括前后缀,冒号和引号,括号,表情等),只需要输出回复内容就好,不要输出其他任何内容'''
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#合并prompt
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prompt = ""
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# prompt += f"{prompt_info}\n"
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prompt += f"{prompt_date}\n"
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prompt += f"{chat_talking_prompt}\n"
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# prompt += f"{activate_prompt}\n"
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prompt += f"{prompt_personality}\n"
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prompt += f"{prompt_ger}\n"
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prompt += f"{extra_info}\n"
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return prompt
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def get_prompt_info(self,message:str):
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related_info = ''
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if len(message) > 10:
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message_segments = [message[i:i+10] for i in range(0, len(message), 10)]
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for segment in message_segments:
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embedding = get_embedding(segment)
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related_info += self.get_info_from_db(embedding)
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else:
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embedding = get_embedding(message)
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related_info += self.get_info_from_db(embedding)
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def get_info_from_db(self, query_embedding: list, limit: int = 1, threshold: float = 0.5) -> str:
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"""
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从知识库中查找与输入向量最相似的内容
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Args:
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query_embedding: 查询向量
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limit: 返回结果数量,默认为2
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threshold: 相似度阈值,默认为0.5
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Returns:
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str: 找到的相关信息,如果相似度低于阈值则返回空字符串
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"""
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if not query_embedding:
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return ''
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# 使用余弦相似度计算
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pipeline = [
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{
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"$addFields": {
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"dotProduct": {
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"$reduce": {
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"input": {"$range": [0, {"$size": "$embedding"}]},
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"initialValue": 0,
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"in": {
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"$add": [
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"$$value",
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{"$multiply": [
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{"$arrayElemAt": ["$embedding", "$$this"]},
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{"$arrayElemAt": [query_embedding, "$$this"]}
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]}
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]
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}
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}
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},
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"magnitude1": {
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"$sqrt": {
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"$reduce": {
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"input": "$embedding",
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"initialValue": 0,
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"in": {"$add": ["$$value", {"$multiply": ["$$this", "$$this"]}]}
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}
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}
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},
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"magnitude2": {
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"$sqrt": {
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"$reduce": {
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"input": query_embedding,
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"initialValue": 0,
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"in": {"$add": ["$$value", {"$multiply": ["$$this", "$$this"]}]}
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}
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}
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}
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}
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},
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{
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"$addFields": {
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"similarity": {
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"$divide": ["$dotProduct", {"$multiply": ["$magnitude1", "$magnitude2"]}]
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}
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}
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},
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{
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"$match": {
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"similarity": {"$gte": threshold} # 只保留相似度大于等于阈值的结果
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}
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},
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{"$sort": {"similarity": -1}},
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{"$limit": limit},
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{"$project": {"content": 1, "similarity": 1}}
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]
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results = list(self.db.db.knowledges.aggregate(pipeline))
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if not results:
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return ''
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# 返回所有找到的内容,用换行分隔
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return '\n'.join(str(result['content']) for result in results)
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prompt_builder = PromptBuilder() |