move_ci_vid_samples.py

import os
import json
import shutil
import time
import concurrent.futures

split = "train"       # train, test
# 配置路径
OLD_ROOT = "/workspace/ci_vid_chunk0"
NEW_ROOT = f"/workspace/ci_vid_SC_{split}"
JSONL_FILE = os.path.join(OLD_ROOT, f"CI-VID_{split}_samples_SC.jsonl")

# 线程数（仅做路径和元数据操作，不需要太大）
MAX_WORKERS = 16
PRINT_EVERY = 100

def move_video_dir(line: str) -> str:
    """
    解析 JSONL 单行，将对应的视频文件夹移动到新目录。
    返回状态字符串用于统计。
    """
    line = line.strip()
    if not line:
        return "empty"

    try:
        row = json.loads(line)
    except json.JSONDecodeError:
        return "json_fail"

    video_rel_path = row.get("video_path")
    if not isinstance(video_rel_path, str):
        return "format_fail"

    old_dir = os.path.join(OLD_ROOT, video_rel_path)
    new_dir = os.path.join(NEW_ROOT, video_rel_path)

    # 如果原目录不存在，可能之前已经被移动过，或者数据有误
    if not os.path.isdir(old_dir):
        # 顺便检查是不是已经移到了新目录
        if os.path.isdir(new_dir):
            return "already_moved"
        return "missing_old"

    # 确保新目录的父级结构存在 (例如创建 chunk_33/00d2d19dd524c7f7ccaadba657c49263)
    parent_new_dir = os.path.dirname(new_dir)
    os.makedirs(parent_new_dir, exist_ok=True)

    try:
        # 移动整个文件夹
        # shutil.move(old_dir, new_dir)
        shutil.copytree(old_dir, new_dir, dirs_exist_ok=True)
        return "success"
    except Exception as e:
        # 捕捉权限不足或其他异常
        return f"error"

def main():
    if not os.path.exists(JSONL_FILE):
        print(f"找不到 JSONL 文件: {JSONL_FILE}")
        return

    # 统计总行数用于显示进度
    total_lines = sum(1 for line in open(JSONL_FILE, "r", encoding="utf-8") if line.strip())
    print(f"共发现 {total_lines} 条待处理记录。开始移动...\n")

    stats = {
        "success": 0,
        "already_moved": 0,
        "missing_old": 0,
        "error": 0,
        "json_fail": 0,
        "format_fail": 0,
        "empty": 0
    }

    t_start = time.time()
    processed = 0

    with open(JSONL_FILE, "r", encoding="utf-8") as fin:
        with concurrent.futures.ThreadPoolExecutor(max_workers=MAX_WORKERS) as executor:
            # 提交所有任务
            futures = [executor.submit(move_video_dir, line) for line in fin]
            
            # 收集结果
            for future in concurrent.futures.as_completed(futures):
                status = future.result()
                stats[status] += 1
                processed += 1
                
                # 打印进度
                if processed % PRINT_EVERY == 0 or processed == total_lines:
                    elapsed = time.time() - t_start
                    speed = processed / elapsed if elapsed > 0 else 0.0
                    pct = (processed / total_lines) * 100
                    print(
                        f"[{processed}/{total_lines} | {pct:.1f}%] "
                        f"成功: {stats['success']} | 已移动: {stats['already_moved']} | "
                        f"缺失: {stats['missing_old']} | 报错: {stats['error']} | "
                        f"速度: {speed:.1f} 个/秒"
                    )

    print("\n移动完成！统计结果：")
    for k, v in stats.items():
        if v > 0:
            print(f"- {k}: {v}")

if __name__ == "__main__":
    main()