nopaque/app/admin/forms.py

from app.models import Role
from flask_wtf import FlaskForm
from wtforms import BooleanField, SelectField, SubmitField


class AdminEditUserForm(FlaskForm):
    confirmed = BooleanField('Confirmed')
    role = SelectField('Role')
    submit = SubmitField('Submit')

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.role.choices = [
            (role.hashid, role.name)
            for role in Role.query.order_by(Role.name).all()
        ]