Decorator example

decorator.py

@app.route('/', methods=['POST'])
@json
@authenticate
def foo():
    do_stuff()


# Decorators
def json(f):
    @functools.wraps(f)
    def wrapped(*args, **kwargs):
        response = f(*args, **kwargs)
        return jsonify(response)
    return wrapped
    
    
def authenticate(auth_callable):
    def decorator(f):
        @functools.wraps(f)
        def wrapped(*args, **kwargs):
            authentication = auth_callable(request)
            if not authentication.valid:
                reason = authentication.reason or "Unauthorized"
                raise errors.ValidationError(reason, 403)

            return f(*args, **kwargs)
        return wrapped
    return decorator

var json = function(f){
  return function(){
    return JSON.stringify(f.apply(this,arguments));
  };
};

var authenticate = function(f){
  return function(){
    .......;
  };
};

var foo = authenticate(json(function(){
  return do_stuff();
}))