def smart_extract(self, archive_path: str, extract_path: str) -> None:
"make extract from archive, when needed"
if SUDO.folder_check(extract_path):
logger.debug(f"smart.extract.present: {extract_path}")
archive_head = discover_header(archive_path)
extract_head = discover_header(extract_path)
head_comp = compare_header(archive_head, extract_head)
logger.debug(f"smart.extract.{head_comp}: {extract_path}")
if head_comp == HeadComp.same:
pass
elif head_comp == HeadComp.different:
logger.debug(
f"smart.extract.{head_comp}: archive={archive_head}")
logger.debug(
f"smart.extract.{head_comp}: extract={extract_head}")
self.extract(archive_path, extract_path)
elif head_comp == HeadComp.undetermined:
logger.debug(
f"smart.extract.{head_comp}: archive={archive_head}")
logger.debug(
f"smart.extract.{head_comp}: extract={extract_head}")
self.extract(archive_path, extract_path)
else:
assert False, f"wrong head_comp: {head_comp}"
else:
logger.debug(f"smart.extract.missing: {extract_path}")
self.extract(archive_path, extract_path)
def image_type_form(extract_path: str) -> ImageType:
for entry in image_type_list:
has_root = False
if entry.root_path is None:
has_root = True
else:
root_path = extract_path + entry.root_path
has_root = SUDO.folder_check(root_path)
has_meta = False
if entry.meta_path is None:
has_meta = True
else:
meta_path = extract_path + entry.meta_path
has_meta = SUDO.file_check(meta_path)
if has_root and has_meta:
return entry
raise Exception(f"missing type for {extract_path}")
def extract(self, archive_path: str, extract_path: str) -> None:
logger.debug(f"pack.extract.tar: {extract_path}")
SUDO.file_assert(archive_path)
extract_temp = make_temp_path("tar-extract-temp")
SUDO.folder_ensure(extract_temp)
tar = Tar()
tar.with_archive(archive_path)
tar.with_extract(extract_temp)
tar.with_packer(archive_path)
tar.with_make_unpack() # keep last
tar.execute_unit_sert()
if SUDO.folder_check(extract_path):
# user rsync to preserve active machines
SUDO.files_sync_full(extract_temp, extract_path)
SUDO.files_delete(extract_temp)
else:
# user move for efficiency
SUDO.files_move(extract_temp, extract_path)
synchronize_header(archive_path, extract_path)
def has_extract(self) -> bool:
return SUDO.folder_check(self.extract_path())
