def state_migration_step_1(self, state: State) -> bool:
"""
Migration Step from State Version 0 to 1
:return:
"""
if state.is_older_state_version():
db_dir_v1 = os.path.join(config.user.data_dir,
config.dev.db_name + '2')
self._tmp_state = State(state._db) # DB Pointing to Older State
state._db = db.DB(db_dir_v1) # DB Pointing to Newer State
return True
return False
def state_migration_step_2(self, state: State):
"""
Migration Step from State Version 0 to 1
:return:
"""
del self._tmp_state
self._tmp_state = None
del state._db
tmp_db_dir = os.path.join(config.user.data_dir,
config.dev.db_name + "3")
db_dir = os.path.join(config.user.data_dir, config.dev.db_name)
shutil.move(db_dir, tmp_db_dir)
tmp_db_dir = os.path.join(config.user.data_dir,
config.dev.db_name + "2")
shutil.move(tmp_db_dir, db_dir)
state._db = db.DB()
logger.warning("State Migration Finished")