tmp_path = PosixPath('/tmp/pytest-of-jenkins/pytest-0/test_uncompress_archive_no_ext0') datadir = '/var/lib/jenkins/workspace/DCORE/tests-on-diff/.tox/py3-core-db-server-github-slow-cover/lib/python3.7/site-packages/swh/core/tests/data' def test_uncompress_archive_no_extension(tmp_path, datadir): """Copy test archives in a temporary directory but turn their names to their md5 sums, then check they can be successfully extracted. """ archives_path = os.path.join(datadir, "archives") archive_files = [ f for f in os.listdir(archives_path) if os.path.isfile(os.path.join(archives_path, f)) ] for archive_file in archive_files: archive_file_path = os.path.join(archives_path, archive_file) with open(archive_file_path, "rb") as f: md5sum = hashlib.md5(f.read()).hexdigest() archive_file_md5sum = os.path.join(tmp_path, md5sum) extract_dir = os.path.join(tmp_path, archive_file) shutil.copy(archive_file_path, archive_file_md5sum) > tarball.uncompress(archive_file_md5sum, extract_dir) .tox/py3-core-db-server-github-slow-cover/lib/python3.7/site-packages/swh/core/tests/test_tarball.py:283: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3-core-db-server-github-slow-cover/lib/python3.7/site-packages/swh/core/tarball.py:161: in uncompress shutil.unpack_archive(tarpath, extract_dir=dest, format=format) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ filename = '/tmp/pytest-of-jenkins/pytest-0/test_uncompress_archive_no_ext0/8e0a45e1991f77e19373f4f1c9afbc37' extract_dir = '/tmp/pytest-of-jenkins/pytest-0/test_uncompress_archive_no_ext0/hello.jar' format = 'jar' def unpack_archive(filename, extract_dir=None, format=None): """Unpack an archive. `filename` is the name of the archive. `extract_dir` is the name of the target directory, where the archive is unpacked. If not provided, the current working directory is used. `format` is the archive format: one of "zip", "tar", "gztar", "bztar", or "xztar". Or any other registered format. If not provided, unpack_archive will use the filename extension and see if an unpacker was registered for that extension. In case none is found, a ValueError is raised. """ if extract_dir is None: extract_dir = os.getcwd() extract_dir = os.fspath(extract_dir) filename = os.fspath(filename) if format is not None: try: format_info = _UNPACK_FORMATS[format] except KeyError: > raise ValueError("Unknown unpack format '{0}'".format(format)) from None E ValueError: Unknown unpack format 'jar' /usr/lib/python3.7/shutil.py:987: ValueError