def test_manga_archive_delete(self):
ma = MangaArchive(manga=self.manga)
ma.file.save('sample-file.zip', File(BytesIO()), save=False)
ma.save()
path = ma.file.path
self.assertTrue(os.path.exists(path))
ma.delete()
self.assertFalse(os.path.exists(path))
def generate(cls, manga):
"""
This method is locked for up to 30 seconds (per manga) until it returns.
This prevents the server from falling over due to stampede effect.
"""
if not cls.acquire_lock(manga): return
try:
manga_archive = MangaArchive.objects.get(manga=manga)
DeletedFile.objects.create(path=manga_archive.file.path)
except MangaArchive.DoesNotExist:
manga_archive = MangaArchive(manga=manga)
manga_zip_file = BytesIO()
manga_zip = zipfile.ZipFile(manga_zip_file, 'w')
# write manga pages into zip file
for page in MangaPage.objects.filter(manga=manga).order_by('page'):
if not page.image: continue
extension = get_image_extension(page.image)
manga_zip.write(page.image.path, '{:03d}.{}'.format(page.page, extension))
# write info.txt into zip file
info_text = manga.info_text
manga_zip.writestr('info.txt', info_text)
manga_zip.close()
manga_archive.name = manga.archive_name
manga_archive.file = UploadedFile(manga_zip_file, 'archive.zip')
manga_archive.save()
manga_zip_file.close()
cls.release_lock(manga)
return manga_archive