import json
import subprocess

new_mail_list = json.loads(
    subprocess.check_output(
        ["notmuch", "show", "--format=json", "tag:inbox"],
    ).decode('utf-8')
)


if new_mail_list:
    output = "Mail's here!\n\n"
    for message in new_mail_list:
        msg = message[0][0]
        dt = msg['headers']['Date']
        subj = msg['headers']['Subject']
        output += f"{dt}\n{subj}\n\n"

    subprocess.run(["dunstify", output])