Files
life-echo/api/app/core/chapter_pipeline_lock.py
Kevin aac484463d feat(api): 拆分章节物化与 Story 后处理,并加固 Redis 锁与腾讯 ASR
回忆录 Story 流水线(同步)
- 同步路径仅写入 Story 与章节关联,改为 mark_chapter_dirty_sync,不再内联 compose
- 物化由 Celery recompose_chapter 异步完成;compose 不变量与异常时保留 dirty 的语义在 repo 中补充说明
- Evidence:大批次时降低 top_k;路由候选 story 携带 char_count/version_count;append 超长/版本过多时强制新开 story
- 叙事 prompt:relevant_chunks 去重,减少重复证据噪声
- 叙事回退与忠实度 gate:返回 fallback 类型并记录结构化日志(含耗时、JSON 有效性等)

Post-commit 与任务编排
- 新增 post_commit.enqueue_story_post_commit_effects:统一派发 generate_story_image(Redis 去重)、延迟 recompose_chapter、可选 memory compaction
- memoir_tasks / story_service / story_image_tasks 改为调用 post-commit 入口;主图回填后按关联章节重算并调度物化与 compacs(锁委托、Redis 单例、ASR to_thread)
- 更新 test_narrative_pipeline 以适配 _apply_narrative_fallbacks 返回值
2026-03-30 11:53:04 +08:00

25 lines
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Python

"""Pipeline 章节级 Redis 锁:与 memoir pipeline / recompose_chapter 共用同一 key 空间。"""
from app.core.redis_lock import (
RedisLockHandle,
acquire_redis_lock,
release_redis_lock,
)
ChapterPipelineLockHandle = RedisLockHandle
def _lock_key(user_id: str, stage: str) -> str:
return f"lock:chapter:{user_id}:{stage}"
def acquire_chapter_pipeline_lock(
user_id: str, stage: str, *, ttl_seconds: int
) -> ChapterPipelineLockHandle | None:
"""获取 `lock:chapter:{user_id}:{stage}`;失败返回 None。"""
return acquire_redis_lock(_lock_key(user_id, stage), ttl_seconds=ttl_seconds)
def release_chapter_pipeline_lock(handle: ChapterPipelineLockHandle | None) -> None:
release_redis_lock(handle)