def __establish_profile(
self, profile_path: pathlib.Path
) -> typing.Tuple[typing.Optional[Profile.Profile], bool]:
assert profile_path.is_absolute(
) # prevents tests from creating temporary files in test directory
create_new_profile = not profile_path.exists()
if create_new_profile:
logging.getLogger("loader").info(
f"Creating new profile {profile_path}")
profile_json = json.dumps({
"version": FileStorageSystem.PROFILE_VERSION,
"uuid": str(uuid.uuid4())
})
profile_path.write_text(profile_json, "utf-8")
else:
logging.getLogger("loader").info(
f"Using existing profile {profile_path}")
storage_system = FileStorageSystem.FilePersistentStorageSystem(
profile_path)
storage_system.load_properties()
cache_path = profile_path.parent / pathlib.Path(
profile_path.stem + " Cache").with_suffix(".nscache")
logging.getLogger("loader").info(f"Using cache {cache_path}")
storage_cache = Cache.DbStorageCache(cache_path)
profile = Profile.Profile(storage_system=storage_system,
storage_cache=storage_cache)
profile.read_profile()
return profile, create_new_profile
def create_profile(workspace_dir: pathlib.Path, do_logging: bool, force_create: bool) -> typing.Tuple[typing.Optional[Profile], bool]:
library_path = _migrate_library(workspace_dir, do_logging)
if not force_create and not os.path.exists(library_path):
return None, False
create_new_document = not os.path.exists(library_path)
if do_logging:
if create_new_document:
logging.info(f"Creating new document: {library_path}")
else:
logging.info(f"Using existing document {library_path}")
auto_migrations = list()
auto_migrations.append(AutoMigration(pathlib.Path(workspace_dir) / "Nion Swift Workspace.nslib", [pathlib.Path(workspace_dir) / "Nion Swift Data"]))
auto_migrations.append(AutoMigration(pathlib.Path(workspace_dir) / "Nion Swift Workspace.nslib", [pathlib.Path(workspace_dir) / "Nion Swift Data 10"]))
auto_migrations.append(AutoMigration(pathlib.Path(workspace_dir) / "Nion Swift Workspace.nslib", [pathlib.Path(workspace_dir) / "Nion Swift Data 11"]))
auto_migrations.append(AutoMigration(pathlib.Path(workspace_dir) / "Nion Swift Library 12.nslib", [pathlib.Path(workspace_dir) / "Nion Swift Data 12"]))
# NOTE: when adding an AutoMigration here, also add the corresponding file copy in _migrate_library
storage_system = FileStorageSystem.FileStorageSystem(library_path, [pathlib.Path(workspace_dir) / f"Nion Swift Data {DataItem.DataItem.storage_version}"], auto_migrations=auto_migrations)
cache_filename = f"Nion Swift Cache {DataItem.DataItem.storage_version}.nscache"
cache_path = workspace_dir / cache_filename
storage_cache = Cache.DbStorageCache(cache_path)
return Profile(storage_system=storage_system, storage_cache=storage_cache, ignore_older_files=False), create_new_document