from flask_wtf import FlaskForm from wtforms import TextAreaField, SubmitField from wtforms.validators import DataRequired, Length from flask_babel import _, lazy_gettext as _l class NewReplyForm(FlaskForm): body = TextAreaField(_l('Body'), render_kw={'placeholder': 'What are your thoughts?', 'rows': 3}, validators={DataRequired(), Length(min=3, max=5000)}) submit = SubmitField(_l('Comment'))