rename.py

# import os
# import re

# folder = "/DATA/DATA3/zhaoyu/T2I_model_SD35/diffusers/examples/dreambooth/image_0_flux_schnell"  # 你的图片文件夹
# prefix = "finetune_2epoch_"  # 新文件名前缀

# # 提取文件名中的数字并按数字排序
# def extract_number(filename):
#     # 匹配文件名中的数字（如 "001.png" → 1）
#     match = re.search(r"\d+", filename)
#     return int(match.group()) if match else 0

# # 读取所有 PNG 文件，并按数字排序
# files = sorted(
#     [f for f in os.listdir(folder) if f.endswith(".png")],
#     key=extract_number
# )

# for filename in files:
#     # 提取原文件名中的数字
#     # 提取原文件名中的数字，并减1（如 001 → 0, 002 → 1）
#     original_num = extract_number(filename)
#     new_num = original_num - 1  # 关键修改：数字减1
    
#     # 生成新名字，6位数补0
#     new_name = f"{prefix}{new_num:06d}.png"

#     old_path = os.path.join(folder, filename)
#     new_path = os.path.join(folder, new_name)

#     os.rename(old_path, new_path)
#     print(f"Renamed: {filename} → {new_name}")

# print("✅ 重命名完成！")
import os

folder = "/DATA/DATA3/zhaoyu/T2I_model_SD35/diffusers/examples/dreambooth/TIFA/image_0_playground"  # 图片文件夹
prefix = "fintune_2epoch_"  # 文件名前缀

files = sorted(
    [f for f in os.listdir(folder) if f.endswith(".png")],
    key=lambda x: int(x.replace(prefix, "").replace(".png", "")),  # 提取数字并转为整数
    reverse=True  # 逆序排序
)


for filename in files:
    # 提取当前编号
    old_num = int(filename.replace(prefix, "").replace(".png", ""))
    if old_num <29:
        continue
    new_num = old_num + 1  # 往前挪一位
    
    # 生成新文件名
    new_name = f"{prefix}{new_num:06d}.png"
    
    old_path = os.path.join(folder, filename)
    new_path = os.path.join(folder, new_name)

    os.rename(old_path, new_path)

print("✅ 所有编号已往前挪 1 位！")