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import os
import pathlib
import shutil
import subprocess
import sys
import pytest
import py7zr
from . import libarchive_extract, p7zip_test
try:
import multivolumefile as MVF
except ImportError:
MVF = None
testdata_path = pathlib.Path(os.path.dirname(__file__)).joinpath('data')
os.umask(0o022)
@pytest.mark.misc
@pytest.mark.skipif(MVF is None, reason="multivolume support is not loaded.")
def test_extract_multi_volume(tmp_path):
with testdata_path.joinpath('lzma2bcj.7z').open('rb') as src:
with tmp_path.joinpath('lzma2bcj.7z.001').open('wb') as tgt:
tgt.write(src.read(25000))
with tmp_path.joinpath('lzma2bcj.7z.002').open('wb') as tgt:
tgt.write(src.read(27337))
with MVF.open(tmp_path.joinpath('lzma2bcj.7z'), mode='rb') as tgt:
with py7zr.SevenZipFile(tgt) as arc:
arc.extractall(tmp_path.joinpath('tgt'))
@pytest.mark.misc
@pytest.mark.skipif(MVF is None, reason="multivolume support is not loaded.")
def test_compress_to_multi_volume(tmp_path):
tmp_path.joinpath('src').mkdir()
py7zr.unpack_7zarchive(os.path.join(testdata_path, 'lzma2bcj.7z'), path=tmp_path.joinpath('src'))
with MVF.open(tmp_path.joinpath('target.7z'), mode='wb', volume=10240) as tgt:
with py7zr.SevenZipFile(tgt, 'w') as arc:
arc.writeall(tmp_path.joinpath('src'), 'src')
target = tmp_path.joinpath('target.7z.0001')
assert target.exists()
assert target.stat().st_size == 10240
@pytest.mark.misc
def test_copy_bcj_file(tmp_path):
with py7zr.SevenZipFile(testdata_path.joinpath('copy_bcj_1.7z').open(mode='rb')) as ar:
ar.extractall(tmp_path)
@pytest.mark.misc
@pytest.mark.skipif(sys.platform.startswith("win"), reason="Case uses gcc and posix path on linux/mac")
def test_bcj_file(tmp_path):
tmp_path.joinpath('src').mkdir()
# build test target data
if shutil.which('gcc'):
result = subprocess.run(['gcc', '-std=c99', '-fPIC',
'-o', tmp_path.joinpath('src').joinpath('bcj_test').as_posix(),
'-c', testdata_path.joinpath('bcj_test.c').as_posix()],
stdout=subprocess.PIPE)
if result.returncode != 0:
return 0
#
tmp_path.joinpath('tgt').mkdir()
tmp_path.joinpath('tgt2').mkdir()
my_filters = [{"id": py7zr.FILTER_X86}, {"id": py7zr.FILTER_COPY}]
with py7zr.SevenZipFile(tmp_path.joinpath('target.7z'), filters=my_filters, mode='w') as ar:
ar.write(tmp_path.joinpath('src/bcj_test'), 'bcj_test')
target = tmp_path.joinpath('target.7z')
with py7zr.SevenZipFile(target, 'r') as ar:
ar.extractall(tmp_path.joinpath('tgt'))
p7zip_test(target)
libarchive_extract(target, tmp_path / 'tgt2')
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