website/conservancy/supporters/mail.py

from django.core.mail import EmailMessage
from django.template.loader import render_to_string


def make_stripe_email(order) -> EmailMessage:
    subject = 'Thanks for being a sustainer!'
    email_body = render_to_string(
        'supporters/mail/sustainer_thanks.txt',
        {'order': order},
    ).strip()
    message = EmailMessage(
        subject,
        email_body,
        'Software Freedom Conservancy <sustainers@sfconservancy.org>',
        [order.email],
    )
    return message