python-mylib/mylib/scripts/email_test.py

""" Test Email client """
import datetime
import getpass
import logging
import sys

from mako.template import Template as MakoTemplate

from mylib.scripts.helpers import add_email_opts, get_opts_parser, init_email_client, init_logging

log = logging.getLogger("mylib.scripts.email_test")


def main(argv=None):  # pylint: disable=too-many-locals,too-many-statements
    """Script main"""
    if argv is None:
        argv = sys.argv[1:]

    # Options parser
    parser = get_opts_parser(just_try=True)
    add_email_opts(parser)

    test_opts = parser.add_argument_group("Test email options")

    test_opts.add_argument(
        "-t",
        "--to",
        action="store",
        type=str,
        dest="test_to",
        help="Test email recipient",
    )

    test_opts.add_argument(
        "-m",
        "--mako",
        action="store_true",
        dest="test_mako",
        help="Test mako templating",
    )

    options = parser.parse_args()

    if not options.test_to:
        parser.error("You must specify test email recipient using -t/--to parameter")
        sys.exit(1)

    # Initialize logs
    init_logging(options, "Test EmailClient")

    if options.email_smtp_user and not options.email_smtp_password:
        options.email_smtp_password = getpass.getpass("Please enter SMTP password: ")

    email_client = init_email_client(
        options,
        templates=dict(
            test=dict(
                subject="Test email",
                text=(
                    "Just a test email sent at {sent_date}."
                    if not options.test_mako
                    else MakoTemplate("Just a test email sent at ${sent_date}.")
                ),
                html=(
                    "<strong>Just a test email.</strong> <small>(sent at {sent_date})</small>"
                    if not options.test_mako
                    else MakoTemplate(
                        "<strong>Just a test email.</strong> <small>(sent at ${sent_date})</small>"
                    )
                ),
            )
        ),
    )

    log.info("Send a test email to %s", options.test_to)
    if email_client.send(options.test_to, template="test", sent_date=datetime.datetime.now()):
        log.info("Test email sent")
        sys.exit(0)
    log.error("Fail to send test email")
    sys.exit(1)