Mail functions for Flask (SMTP settings and e-mail activation in the app's config + rendering a Jinja template as content)

gistfile1.txt

# -*- coding: utf-8 -*-

import smtplib
from email.mime.text import MIMEText
from . import app


def send(recipients, subject, body):
    # Destination override
    if app.config['EMAIL_TO']:
        app.logger.info('Original email recipients {} overriden to {}'
                        .format(recipients, app.config['EMAIL_TO']))
        recipients = app.config['EMAIL_TO']

    msg = MIMEText(body, 'html', 'utf-8')
    msg['Subject'] = subject
    msg['From'] = app.config['EMAIL_FROM']
    msg['To'] = ','.join(recipients)
    msg['Cc'] = app.config['EMAIL_CC'] if app.config['EMAIL_CC'] else ''
    msg['Bcc'] = app.config['EMAIL_BCC'] if app.config['EMAIL_BCC'] else ''

    if app.config['EMAIL_ENABLED']:
        s = smtplib.SMTP(app.config['SMTP_HOST'])

        if app.config['SMTP_STARTTLS']:
            s.ehlo()
            s.starttls()
            s.login(app.config['SMTP_USER'], app.config['SMTP_PASSWORD'])

        s.sendmail(app.config['EMAIL_FROM'], recipients, msg.as_string())
        s.quit()

    app.logger.info(u'Sent email with subject=[{}] to={} cc={} bcc={}'.format(
        msg['Subject'], msg['To'], msg['Cc'], msg['Bcc']
    ))


def send_from_template(recipients, subject, template_path, **kwargs):
    template = app.jinja_env.get_template(template_path)
    body = template.render(**kwargs)

    return send(recipients, subject, body)