打包

import zlib
import osdef compress_folder(input_folder, output_filename):"""使用 DEFLATE 算法压缩文件夹下的所有文件。Parameters:input_folder: str要压缩的文件夹路径。output_filename: str输出压缩文件名。"""# 创建一个空的字节串，用于存储所有文件的压缩数据compressed_data = bytearray()# 遍历文件夹下的所有文件for root, dirs, files in os.walk(input_folder):for file in files:# 构建文件的完整路径file_path = os.path.join(root, file)# 读取文件内容with open(file_path, 'rb') as f:file_data = f.read()# 使用 DEFLATE 算法压缩文件内容compressed_data += zlib.compress(file_data)# 将所有文件的压缩数据写入到输出文件中with open(output_filename, 'wb') as f_out:f_out.write(compressed_data)# 指定要压缩的文件夹路径和输出文件名
input_folder = 'D:/soft/AI/workspace/packagetest/package'
output_filename = 'D:/soft/AI/workspace/packagetest/package.pg'# 执行压缩操作
compress_folder(input_folder, output_filename)

解压

import zlib
import os
import structdef compress_folder(input_folder, output_filename):compressed_data = bytearray()for root, dirs, files in os.walk(input_folder):for file in files:file_path = os.path.join(root, file)with open(file_path, 'rb') as f:file_data = f.read()compressed_block = zlib.compress(file_data)compressed_data += struct.pack('<I', len(compressed_block)) + compressed_blockwith open(output_filename, 'wb') as f_out:f_out.write(compressed_data)def decompress_folder(input_filename, output_folder):with open(input_filename, 'rb') as f_in:compressed_data = f_in.read()offset = 0file_counter = 1  # 用于生成唯一文件名while offset < len(compressed_data):# 每个压缩块的长度信息（4字节）block_length = struct.unpack('<I', compressed_data[offset:offset+4])[0]offset += 4# 解压缩块的数据compressed_block = compressed_data[offset:offset+block_length]offset += block_length# 解压缩数据try:decompressed_data = zlib.decompress(compressed_block)except zlib.error as e:print(f"解压缩块 {file_counter} 失败：{e}")continue# 生成唯一文件名file_name = f"file_{file_counter}.dat"file_counter += 1# 写入文件file_path = os.path.join(output_folder, file_name)with open(file_path, 'wb') as f_out:f_out.write(decompressed_data)if __name__ == "__main__":input_folder = 'D:/soft/AI/workspace/packagetest/package'output_filename = 'D:/soft/AI/workspace/packagetest/package.pg'output_folder = 'D:/soft/AI/workspace/packagetest/extracted'try:# 检查并创建目标文件夹if not os.path.exists(output_folder):os.makedirs(output_folder)# 压缩文件夹compress_folder(input_folder, output_filename)# 解压缩文件夹decompress_folder(output_filename, output_folder)print("操作成功！")except Exception as e:print(f"操作失败：{e}")