Files
yuming b3608f534e feat: 新增视频分析流水线、Web界面、孤儿清理工具;修复健壮性问题
- 新增 analysis/ 模块:MOG2活动检测、YOLO人物跟踪、MediaPipe摔倒检测、Ollama活动打标、缩略图抽取
- 新增 webapp/:Flask事件浏览界面,按需HEVC→H264转码缓存
- 新增 analyze.py:7阶段状态机流水线(scan→backfill→motion→person→fall→activity→thumbnail)
- 新增 cleanup_orphans.py:清理文件已删除的数据库孤儿记录
- 修复:motion/person/activity三阶段加单视频异常兜底,避免批次中断
- 修复:ollama_client加健康检查和3次重试,num_ctx从8192降到2048
- 修复:transcode_cache加fcntl文件锁,防止并发转码同一视频
- 修复:SQLite开WAL模式+busy_timeout,支持读写并发
- 修复:sync.py ffmpeg路径改为shutil.which查找,删除automate.py死代码PYTHON
- 修复:thumbnail失败加3次重试上限,避免无限重试损坏文件
- 新增:requirements.lock锁定版本、README文档
- 更新:.gitignore排除.playwright-mcp、截图、备份文件
2026-09-18 15:52:49 +08:00

91 lines
3.0 KiB
Python

"""清理数据库中文件已不存在的孤儿记录。
video_scanner 入库后,如果录像文件被手动删除或被 dedup_cleanup 清理,
数据库里的 videos/events 记录不会自动消失,导致:
- analyze.py 对不存在的文件跑分析,全部失败或产生空结果
- webapp 点击播放 404
- 统计数据虚高
本脚本扫描 videos 表,删除 file_path 不存在的记录及其关联 events,
并同步清理孤儿缩略图文件。执行前请确保已备份 analysis.db。
"""
import os
import sqlite3
from analysis.config import PROJECT_ROOT, THUMBNAILS_DIR, DB_PATH
def cleanup_orphans(dry_run=True):
conn = sqlite3.connect(str(DB_PATH))
conn.row_factory = sqlite3.Row
videos = conn.execute("SELECT id, file_path, status FROM videos").fetchall()
to_delete = []
for v in videos:
full_path = PROJECT_ROOT / v["file_path"]
if not full_path.exists():
to_delete.append(v)
print(f"videos 总数: {len(videos)}")
print(f"文件不存在的孤儿记录: {len(to_delete)}")
# 按状态统计
by_status = {}
for v in to_delete:
by_status[v["status"]] = by_status.get(v["status"], 0) + 1
for status, cnt in sorted(by_status.items(), key=lambda x: -x[1]):
print(f" {status}: {cnt}")
if dry_run:
print("\n[dry-run] 未执行任何删除。加 --execute 实际执行。")
conn.close()
return
# 删除关联 events 和缩略图
deleted_events = 0
deleted_thumbs = 0
for v in to_delete:
events = conn.execute(
"SELECT id, thumbnail_path FROM events WHERE video_id = ?", (v["id"],)
).fetchall()
for e in events:
if e["thumbnail_path"]:
thumb_path = PROJECT_ROOT / e["thumbnail_path"]
if thumb_path.exists():
thumb_path.unlink()
deleted_thumbs += 1
conn.execute("DELETE FROM events WHERE video_id = ?", (v["id"],))
deleted_events += len(events)
# 删除 video 记录
video_ids = [v["id"] for v in to_delete]
if video_ids:
placeholders = ",".join("?" * len(video_ids))
conn.execute(f"DELETE FROM videos WHERE id IN ({placeholders})", video_ids)
conn.commit()
# 清理孤儿缩略图(events 已删但文件还在的)
event_thumbs = set(
r[0] for r in conn.execute("SELECT thumbnail_path FROM events WHERE thumbnail_path IS NOT NULL")
)
orphan_thumbs = 0
if THUMBNAILS_DIR.exists():
for f in THUMBNAILS_DIR.glob("*.jpg"):
rel = str(f.relative_to(PROJECT_ROOT))
if rel not in event_thumbs:
f.unlink()
orphan_thumbs += 1
conn.close()
print(f"\n已删除 videos 记录: {len(to_delete)}")
print(f"已删除 events 记录: {deleted_events}")
print(f"已清理缩略图文件: {deleted_thumbs + orphan_thumbs}")
if __name__ == "__main__":
import sys
dry_run = "--execute" not in sys.argv
cleanup_orphans(dry_run=dry_run)