Send Email via Gmail with Python

gmail.py

#!/usr/bin/python
import argparse
import os
import smtplib

from smtplib import SMTP_SSL
from email.mime.multipart import MIMEMultipart
from email.mime.base import MIMEBase
from email.mime.text import MIMEText
from email import encoders

parser = argparse.ArgumentParser(description='Script to send an email via Gmail.')
parser.add_argument('-t','--to', help='Send email to (e.g. test@example.com)',required=True)
parser.add_argument('-f','--fm',help='Email is from (e.g. test@example.com)', required=True)
parser.add_argument('-s','--subject',help='Email subject', required=True)
parser.add_argument('-b','--body',help='Email body', required=False)
parser.add_argument('-a','--attach',help='Path to attachment', required=False)
parser.add_argument('-u','--username',help='Gmail username', required=True)
parser.add_argument('-p','--password',help='Gmail password', required=True)
parser.add_argument('-d','--delete',help='Delete attachment after sending. Set to true to delete file', required=False)
args = parser.parse_args()

if (args.attach == ''):
    attach = False
else:
    attach = args.attach

if (args.delete == 'yes' and args.attach != False):
    delete = True
else:
    delete = False

def mail(to, frm, subject, body, attach, username, password, delete):

    msg = MIMEMultipart()
    msg['From'] = frm
    msg['To'] = to
    msg['Subject'] = subject

    msg.attach(MIMEText(body))

    if (attach):
        part = MIMEBase('application', 'octet-stream')
        part.set_payload(open(attach, 'rb').read())
        encoders.encode_base64(part)
        part.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(attach))
        msg.attach(part)

    try:
        server = SMTP_SSL("smtp.gmail.com", 465)
        server.login(username, password)
        server.sendmail(username, to, msg.as_string())
        #server.quit()
        server.close()
        print("Email sent")

        # delete photo? only if the email was sent
        if (delete):
            try:
                os.remove(attach)
                print("File deleted")
            except OSError as e:
                print("Failed with:", e.strerror)
                print("Error code:", e.code)

    except:
        print("Email failed")

mail(args.to, args.fm, args.subject, args.body, attach, args.username, args.password, delete)

usage.sh

./gmail.py --help
./gmail.py --to test@example.com --fm test@example.com --subject "Hello World" --body "This is an email" --attach /path/to/file/test.jpg --username example@gmail.com --password mysecret --delete yes