import io import os.path import sys import tarfile import time import zipfile def read_file(path, use_crlf): with open(path, 'rb') as file: data = file.read() if b'\0' not in data: data = data.replace(b'\r', b'') if use_crlf: data = data.replace(b'\n', b'\r\n') return data def write_zip(target, arcprefix, timestamp, sources): with zipfile.ZipFile(target, 'w') as archive: for source in sorted(sources): data = read_file(source, use_crlf = True) path = os.path.join(arcprefix, source) info = zipfile.ZipInfo(path) info.date_time = time.localtime(timestamp) info.compress_type = zipfile.ZIP_DEFLATED info.external_attr = 0o644 << 16 archive.writestr(info, data) def write_tar(target, arcprefix, timestamp, sources, compression): with tarfile.open(target, 'w:' + compression) as archive: for source in sorted(sources): data = read_file(source, use_crlf = False) path = os.path.join(arcprefix, source) info = tarfile.TarInfo(path) info.size = len(data) info.mtime = timestamp archive.addfile(info, io.BytesIO(data)) if len(sys.argv) < 5: raise RuntimeError('Usage: python archive.py ') target, arcprefix, timestamp = sys.argv[1:4] sources = sys.argv[4:] # tarfile._Stream._init_write_gz always writes current time to gzip header time.time = lambda: timestamp if target.endswith('.zip'): write_zip(target, arcprefix, int(timestamp), sources) elif target.endswith('.tar.gz') or target.endswith('.tar.bz2'): write_tar(target, arcprefix, int(timestamp), sources, compression = os.path.splitext(target)[1][1:]) else: raise NotImplementedError('File type not supported: ' + target)