check_gmail.py

# get most recent gmail subject line
import sys
import imaplib
import email
import email.header

EMAIL_ACCOUNT = "......@gmail.com"
ACCOUNT_PW = ""
EMAIL_FOLDER = "INBOX"

SUBJECT = ""

# create IMAP object for gmail
M = imaplib.IMAP4_SSL('imap.gmail.com')

# attempt to login
try:
    rv, data = M.login(EMAIL_ACCOUNT, ACCOUNT_PW)
except imaplib.IMAP4.error:
    print("LOGIN FAILED!!! ")
    sys.exit(1)

# select inbox
M.select(EMAIL_FOLDER)
print("Processing mailbox...\n")

# process inbox
rv, data = M.search(None, "ALL")
if rv != 'OK':
    print("No messages found!")
    sys.exit(1)

# get the most recent message
ids = data[0]  # data is a list
id_list = ids.split()  # ids is a space separated string
latest_email_id = id_list[-1]  # get the latest id

# fetch the email body (RFC822)
result, data = M.fetch(latest_email_id, "(RFC822)")
if rv != 'OK':
    print("ERROR getting message", latest_email_id)
    sys.exit(1)
msg = email.message_from_bytes(data[0][1])
hdr = email.header.make_header(email.header.decode_header(msg['Subject']))
SUBJECT = str(hdr)
# print(f"Subject: {SUBJECT}")

# close and logout
M.close()
M.logout()

send_gmail.py

# sends email using gmail
# uses address: my.dummy.python.email@gmail.com
import smtplib
import ssl

# send_email arguments:
# recipient - str - recipient's email address
# subject - str - subject line of email
# body - str - body of email
def send_email(recipient, subject, body):

    port = 465  # For SSL
    smtp_server = "smtp.gmail.com"
    EMAIL_ACCOUNT = "......@gmail.com"
    ACCOUNT_PW = ""

    msg = f"From: {EMAIL_ACCOUNT}\nTo: {recipient}\nSubject: {subject}\n\n{body}"

    context = ssl.create_default_context()
    with smtplib.SMTP_SSL(smtp_server, port, context=context) as server:
        server.ehlo()
        server.login(EMAIL_ACCOUNT, ACCOUNT_PW)
        server.sendmail(EMAIL_ACCOUNT, recipient, msg)