nopaque/app/email.py

from flask import current_app, render_template
from flask_mail import Message
from threading import Thread
from . import mail


def send_async_email(app, msg):
    with app.app_context():
        mail.send(msg)


def send_email(to, subject, template, **kwargs):
    app = current_app._get_current_object()
    msg = Message(
        '{} {}'.format(app.config['NOPAQUE_MAIL_SUBJECT_PREFIX'], subject),
        recipients=[to], sender=app.config['NOPAQUE_MAIL_SENDER'])
    msg.body = render_template('{}.txt.j2'.format(template), **kwargs)
    msg.html = render_template('{}.html.j2'.format(template), **kwargs)
    thread = Thread(target=send_async_email, args=(app, msg))
    thread.start()
    return thread