emails.py 文件源码

def render_mail(subject, template_prefix, to_emails, context, bcc=None, cc=None, **kwargs):
    from_email = DEFAULT_FROM_EMAIL
    if not re.match(r'^\[\s*Tunga', subject):
        subject = '{} {}'.format(EMAIL_SUBJECT_PREFIX, subject)

    bodies = {}
    for ext in ['html', 'txt']:
        try:
            template_name = '{0}.{1}'.format(template_prefix, ext)
            bodies[ext] = render_to_string(template_name,
                                           context).strip()
        except TemplateDoesNotExist:
            if ext == 'txt':
                if 'html' in bodies:
                    # Compose text body from html
                    bodies[ext] = convert_to_text(bodies['html'])
                else:
                    # We need at least one body
                    raise

    if bodies:
        msg = EmailMultiAlternatives(subject, bodies['txt'], from_email, to_emails, bcc=bcc, cc=cc)
        if 'html' in bodies:
            try:
                html_body = render_to_string(
                    'tunga/email/base.html', dict(email_content=bodies['html'])
                ).strip()
            except TemplateDoesNotExist:
                html_body = bodies['html']
            msg.attach_alternative(premailer.transform(html_body), 'text/html')
    else:
        raise TemplateDoesNotExist
    return msg