from flask_wtf import FlaskForm from wtforms import (StringField, BooleanField, SubmitField, DateField, SelectMultipleField, FieldList, FormField) from wtforms.validators import DataRequired, Length, Optional from flask_wtf.file import FileField, FileAllowed, FileRequired class AddDocumentForm(FlaskForm): file = FileField('File', validators=[FileAllowed(['pdf', 'txt']), FileRequired()]) name = StringField('Name', validators=[Length(max=100)]) language = StringField('Language', validators=[Length(max=2)]) valid_from = DateField('Valid from', id='form-control datepicker', validators=[Optional()]) submit = SubmitField('Submit')