params_kw.discount = float(params_kw.discount)
if params_kw.discount <= 0 or params_kw.discount >= 1:
	e = Exception(f'discount({params_kw.discount}) invalid')
	exception(f'{e}')
	raise e

if params_kw.valid_term[-1] not in ['D', 'M', 'Y']:
	e = Exception(f'valid_term must ends with "D", "M" or "Y"')
	exception(f'{e}')
	raise e
cnt = int(params_kw.valid_term[:-1])
if cnt < 0:
	e = Exception(f'valid_term({params_kw.valid_term}) invalid')
	exception(f'{e}')
	raise e

if not params_kw.expired_date:
	params_kw.expired_date = '9999-12-31'
x = await discount_qrcode(request, params_kw)
return {
	"widgettype": "VBox",
	"options": {
		"width": "100%",
		"height": "100%"
	},
	"subwidgets": [
		{
			"widgettype": "Image",
			"options": {
				"width": "340px",
				"height": "340px",
				"url": entire_url('/idfile') + f'?path={x.qr_webpath}'
			}
		}, {
			"widgettype": "HBox",
			"options": {
				"width": "100%",
				"cheight": 2
			},
			"subwidgets": [
				{
					"widgettype": "Text",
					"options": {
						"otext": "折扣:",
						"i18n": True,
						"cwidth": 3
					}
				},{
					"widgettype": "Text",
					"options":{
						"text": x.discount
					}
				}
			]
		}
	]
}