import argparse
import time

def timer_command(fonction):
    def internal_wrapper(args):
        if args.verbose:
            print("[DEBUG] Lancement de la commande...")
            start_time = time.perf_counter()
            result = fonction(args)
            print(f"[DEBUG] Terminé en {time.perf_counter() - start_time}")
            return result
        return fonction(args)
    return internal_wrapper
    
parser = argparse.ArgumentParser(description="Un scanneur")
parser.add_argument("-n", "--numbers", nargs= "+", type= int, help="Nombres à additioner")
parser.add_argument("-v", "--verbose", action="store_true", help="Mode verbeux")

@timer_command
def addition(args):
    return sum(args.numbers)

args = parser.parse_args()

print(addition(args))