def _check_needed_restart(op, args):
# Assert that we're restarting something that exists.
assert os.path.exists(op.run_dir), op.run_dir
run_id = os.path.basename(op.run_dir)
assert run_id.startswith(args.restart), (run_id, args.restart)
run = runlib.Run(run_id, op.run_dir)
if not op_util.restart_needed(run, op.flag_vals):
cli.out("Skipping run because flags have not changed "
"(--needed specified)")
raise SystemExit(0)
def run_needed(self):
run = self.trial_run()
if not run:
return True
return op_util.restart_needed(run, self.flags)