cryptography与zlib系列：数据压缩与解压

cryptography与zlib系列：数据压缩与解压

压缩

import zlibdef get_zlib_compressed_data(file_path: str,compress_level: int = 9,
) -> bytes:with open(file_path, 'rb') as f:data = f.read()compressed_data = zlib.compress(data, compress_level)return compressed_dataif __name__ == '__main__':from time import timefile_path = "test.txt"file_compressed_path = "test_compressed.zlib"tic = time()compressed_data = get_zlib_compressed_data(file_path)toc = time()print(f"compress time: {toc - tic}")with open(file_compressed_path, 'wb') as f:f.write(compressed_data)

解压

import zlibif __name__ == '__main__':file_compressed_path = "test_compressed.zlib"file_decompressed_path = "test_decompressed.txt# 读取压缩文件with open(compressed_file_path, 'rb') as fr:compressed_data = fr.read()with open(decompressed_file_path, 'wb') as fw:decompressed_data = zlib.decompress(compressed_data)fw.write(decompressed_data)