app\decorators(1).py

from functools import wraps
from flask import abort
from flask_login import current_user
from .models import Permission


def permission_required(permission):
   def decorator(f):
       @wraps(f)
       def decorated_function(*args, **kwargs):
           if not current_user.can(permission):
               abort(403)
           return f(*args, **kwargs)
       return decorated_function
   return decorator


def admin_required(f):
   return permission_required(Permission.ADMIN)(f)