from flask_wtf import FlaskForm from wtforms import fields from wtforms.validators import Optional class CountdownAdminForm(FlaskForm): hours = fields.IntegerField("Hours", [Optional()], render_kw={"min": 0, "max": 999, "placeholder": "00", "autocomplete": "off"}) minutes = fields.IntegerField("Minutes", [Optional()], render_kw={"min": 0, "max": 59, "placeholder": "00", "autocomplete": "off"}) seconds = fields.IntegerField("Seconds", [Optional()], render_kw={"min": 0, "max": 59, "placeholder": "00", "autocomplete": "off"})