cudy-tr3000-v1-image-cut.py

# 文件路径和目标参数
input_file = "recovery.bin"  # 输入文件名
output_file = "output.bin"  # 输出文件名
search_marker = b"UBI#"  # 要查找的标记
cut_size = 0x04000000  # 切割的大小

try:
    with open(input_file, "rb") as f:
        data = f.read()  # 读取整个文件内容

    # 查找标记的位置
    start_pos = data.find(search_marker)
    if start_pos == -1:
        print("未找到标记 'UBI#'!")
    else:
        print(f"标记 'UBI#' 的起始位置: {start_pos:#x}")

        # 确定切割范围
        end_pos = start_pos + cut_size
        if end_pos > len(data):
            print("警告: 切割范围超过文件大小，将截取到文件末尾。")
            end_pos = len(data)

        # 提取目标数据
        cut_data = data[start_pos:end_pos]

        # 写入输出文件
        with open(output_file, "wb") as f:
            f.write(cut_data)
        print(f"切割完成，已保存到 '{output_file}'。")

except FileNotFoundError:
    print(f"文件 '{input_file}' 未找到！")
except Exception as e:
    print(f"发生错误: {e}")