from datetime import datetime, timezone, timedelta def user_submission_permission(submission_name, users_to_submission_dates, rate_limit_period): org_or_user, _ = submission_name.split("/") if org_or_user not in users_to_submission_dates: return 0 submission_dates = sorted(users_to_submission_dates[org_or_user]) time_limit = (datetime.now(timezone.utc) - timedelta(days=rate_limit_period)).strftime("%Y-%m-%dT%H:%M:%SZ") submissions_after_timelimit = [d for d in submission_dates if d > time_limit] return len(submissions_after_timelimit)