mail.py

import smtplib
from datetime import datetime
import pytz
import json
import os
from hashlib import sha256

# Ensure that time is in SG timezone
def utc_to_time(naive, timezone="Singapore"):
    return naive.replace(tzinfo=pytz.utc).astimezone(pytz.timezone(timezone))


def send_email(isSuccessful=True):
    email = os.environ.get("EMAIL")

    # set up the SMTP server
    now = utc_to_time(datetime.utcnow())
    s = smtplib.SMTP(host="smtp-mail.outlook.com", port=587)
    s.starttls()
    s.login("auto-temp@outlook.com", sha256(b"hello").hexdigest())

    FROM = "auto-temp@outlook.com"
    TO = email

    if isSuccessful:
        SUBJECT = "TTS Posted"
        TEXT = f"""Your temperature was successfully updated on {now.strftime("%B %d, %Y")} at {now.strftime("%H:%M:%S")}. Stay safe from COVID-19! :)
Note: Do record your temperature manually and stop the script IF YOU'RE NOT FEELING WELL
    """
    else:
        SUBJECT = "TTS FAILED"
        TEXT = f"""Your temperature failed to update on {now.strftime("%B %d, %Y")} at {now.strftime("%H:%M:%S")}.
Please record your temperature manually and report the bug to the github contributors if you know them. Thanks!"""

    message = "Subject: {}\n\n{}".format(SUBJECT, TEXT)
    print("Sending mail")
    s.sendmail(FROM, TO, message)
    s.quit()


if __name__ == "__main__":
    send_email()