Refactor activity logging and update Zep integration for real-time processing
- Changed the activity logging format to remove simulation prefixes, ensuring clearer natural language descriptions. - Updated the `ZepGraphMemoryUpdater` to send activities individually, enhancing the accuracy of entity and relationship extraction. - Adjusted the README.md to reflect these changes in activity processing and Zep integration, providing clearer instructions for users.
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2 changed files with 35 additions and 61 deletions
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@ -598,8 +598,8 @@ backend/
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启用 `enable_graph_memory_update` 后:
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- 模拟中所有Agent的活动(发帖、评论、点赞、转发等)会实时更新到Zep图谱
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- 活动会被转换为自然语言描述,例如:`[Twitter模拟 第15轮] 张三: 发布了一条帖子:「...」`
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- 采用批量更新机制(默认10条或30秒),减少API调用次数
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- 每条活动单独发送,确保Zep能正确解析实体和关系
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- 活动会被转换为自然语言描述,例如:`张三: 发布了一条帖子:「...」`
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- Zep会自动从文本中提取实体和关系,丰富图谱知识
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- 需要项目已构建有效的图谱(graph_id)
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@ -1295,12 +1295,12 @@ class AgentActivity:
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def to_episode_text(self) -> str:
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"""
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将活动转换为自然语言描述
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将活动转换为自然语言描述(不添加模拟前缀)
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示例输出:
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- "[Twitter模拟 第15轮] 张三: 发布了一条帖子:「官方声明:...」"
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- "[Reddit模拟 第3轮] 李四: 在帖子#5下评论道:「我认为...」"
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- "[Twitter模拟 第10轮] 王五: 引用帖子#3并评论:「同意!」"
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- "张三: 发布了一条帖子:「官方声明:...」"
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- "李四: 在帖子#5下评论道:「我认为...」"
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- "王五: 引用帖子#3并评论:「同意!」"
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"""
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```
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@ -1310,10 +1310,11 @@ class ZepGraphMemoryUpdater:
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图谱记忆更新器
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特性:
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- 批量更新(BATCH_SIZE=10条或MAX_WAIT_TIME=30秒)
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- 逐条发送活动到Zep,确保图谱正确解析
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- 后台线程异步处理,不阻塞主模拟流程
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- 带重试的API调用(MAX_RETRIES=3)
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- 自动跳过DO_NOTHING类型的活动
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- 发送间隔控制(SEND_INTERVAL=0.5秒)
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"""
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def start(self):
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@ -1381,16 +1382,16 @@ POST /api/simulation/start
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}
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```
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启用后,模拟中的活动会被转换为类似以下格式的文本并发送到Zep:
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启用后,模拟中的活动会被逐条转换为自然语言描述并发送到Zep:
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```
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[Twitter模拟 第0轮] 上级: 发布了一条帖子:「官方声明:经复核并结合司法判决,校方决定撤销对肖某某的处分。学校向当事人致以正式歉意...」
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[Twitter模拟 第0轮] 全国顶尖新闻传播学院的大学: 发布了一条帖子:「武汉大学官方发布:学校已决定撤销此前对当事人的处分...」
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[Twitter模拟 第15轮] 全国考生: 引用帖子#5并评论
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[Reddit模拟 第3轮] 教师代表: 在帖子#2下评论道:「此事暴露出高校在程序正义上的问题...」
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上级: 发布了一条帖子:「官方声明:经复核并结合司法判决,校方决定撤销对肖某某的处分。学校向当事人致以正式歉意...」
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全国顶尖新闻传播学院的大学: 发布了一条帖子:「武汉大学官方发布:学校已决定撤销此前对当事人的处分...」
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全国考生: 引用帖子#5并评论
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教师代表: 在帖子#2下评论道:「此事暴露出高校在程序正义上的问题...」
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```
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Zep会自动从这些文本中提取实体(如人名、机构名)和关系,丰富图谱知识。
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每条活动单独发送,确保Zep能正确从文本中提取实体(如人名、机构名)和关系,丰富图谱知识。
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---
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@ -36,9 +36,8 @@ class AgentActivity:
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将活动转换为可以发送给Zep的文本描述
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采用自然语言描述格式,让Zep能够从中提取实体和关系
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不添加模拟相关的前缀,避免误导图谱更新
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"""
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platform_name = "Twitter" if self.platform == "twitter" else "Reddit"
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# 根据不同的动作类型生成不同的描述
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action_descriptions = {
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"CREATE_POST": self._describe_create_post,
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@ -58,8 +57,8 @@ class AgentActivity:
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describe_func = action_descriptions.get(self.action_type, self._describe_generic)
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description = describe_func()
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# 添加时间和平台上下文
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return f"[{platform_name}模拟 第{self.round_num}轮] {self.agent_name}: {description}"
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# 直接返回 "agent名称: 活动描述" 格式,不添加模拟前缀
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return f"{self.agent_name}: {description}"
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def _describe_create_post(self) -> str:
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content = self.action_args.get("content", "")
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@ -137,14 +136,11 @@ class ZepGraphMemoryUpdater:
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Zep图谱记忆更新器
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监控模拟的actions日志文件,将新的agent活动实时更新到Zep图谱中。
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使用批量更新机制,将多个活动合并后一次性发送,减少API调用次数。
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每条活动单独发送到Zep,确保图谱能正确解析实体和关系。
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"""
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# 活动缓冲区大小(达到此数量后批量发送)
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BATCH_SIZE = 10
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# 最大等待时间(秒),即使未达到BATCH_SIZE也会发送
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MAX_WAIT_TIME = 30
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# 发送间隔(秒),避免请求过快
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SEND_INTERVAL = 0.5
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# 重试配置
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MAX_RETRIES = 3
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@ -248,51 +244,31 @@ class ZepGraphMemoryUpdater:
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self.add_activity(activity)
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def _worker_loop(self):
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"""后台工作循环"""
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buffer: List[AgentActivity] = []
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last_send_time = time.time()
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"""后台工作循环 - 逐条发送活动到Zep"""
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while self._running or not self._activity_queue.empty():
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try:
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# 尝试从队列获取活动(超时1秒)
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try:
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activity = self._activity_queue.get(timeout=1)
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buffer.append(activity)
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# 立即发送单条活动
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self._send_single_activity(activity)
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# 发送间隔,避免请求过快
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time.sleep(self.SEND_INTERVAL)
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except Empty:
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pass
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# 检查是否应该发送批次
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current_time = time.time()
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should_send = (
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len(buffer) >= self.BATCH_SIZE or
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(len(buffer) > 0 and current_time - last_send_time >= self.MAX_WAIT_TIME)
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)
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if should_send:
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self._send_batch(buffer)
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buffer = []
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last_send_time = current_time
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except Exception as e:
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logger.error(f"工作循环异常: {e}")
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time.sleep(1)
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# 发送剩余的活动
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if buffer:
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self._send_batch(buffer)
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def _send_batch(self, activities: List[AgentActivity]):
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def _send_single_activity(self, activity: AgentActivity):
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"""
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批量发送活动到Zep图谱
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发送单条活动到Zep图谱
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Args:
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activities: 活动列表
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activity: 单条Agent活动
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"""
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if not activities:
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return
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# 将所有活动合并为一段文本
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episode_text = "\n".join([a.to_episode_text() for a in activities])
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episode_text = activity.to_episode_text()
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# 带重试的发送
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for attempt in range(self.MAX_RETRIES):
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@ -303,8 +279,8 @@ class ZepGraphMemoryUpdater:
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data=episode_text
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)
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self._total_sent += len(activities)
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logger.debug(f"成功发送 {len(activities)} 条活动到图谱 {self.graph_id}")
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self._total_sent += 1
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logger.debug(f"成功发送活动到图谱 {self.graph_id}: {episode_text[:50]}...")
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return
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except Exception as e:
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@ -313,19 +289,16 @@ class ZepGraphMemoryUpdater:
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time.sleep(self.RETRY_DELAY * (attempt + 1))
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else:
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logger.error(f"发送到Zep失败,已重试{self.MAX_RETRIES}次: {e}")
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self._failed_count += len(activities)
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self._failed_count += 1
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def _flush_remaining(self):
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"""发送队列中剩余的活动"""
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remaining = []
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"""发送队列中剩余的活动(逐条发送)"""
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while not self._activity_queue.empty():
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try:
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remaining.append(self._activity_queue.get_nowait())
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activity = self._activity_queue.get_nowait()
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self._send_single_activity(activity)
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except Empty:
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break
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if remaining:
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self._send_batch(remaining)
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def get_stats(self) -> Dict[str, Any]:
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"""获取统计信息"""
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