def _write_db(self):
try:
copy_file(self._smm_db,
get_file_name(self._smm_db_location, DB_FILE_NAME_BKP))
with open(self._smm_db, 'w+') as outfile:
json.dump(self._data, outfile, indent=2, sort_keys=True)
except (OSError, IOError):
raise OSError('Unable to save data to disk.')
def __init__(self, path=DB_PATH):
self._smm_db_location = get_abs_path(
path) if path is not None else get_abs_path(DB_DEF_PATH)
self._smm_db = get_file_name(self._smm_db_location, DB_FILE_NAME)
self._data = None
if not check_configuration(self._smm_db):
create_db_path(self._smm_db_location)
if not is_file(self._smm_db):
init_smmdbstore(self._smm_db, INIT_STATE)
# by now, db is there
self._data = self._load_json(self._smm_db)
self._check_data_integrity()
