def migrate_db(db_dir, start, end): current = start old_dirs = [] while current < end: if current == 0: from lbrynet.db_migrator.migrate0to1 import do_migration old_dirs.append(do_migration(db_dir)) current += 1 return old_dirs def run_migration_script(): import sys migrate_db(sys.argv[1], sys.argv[2], sys.argv[3])