43 - Send Emails with Python.py

import smtplib
import csv
from string import Template
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

def read_template(filename):
    with open(filename,'r', encoding='utf-8') as template_file:
        template_file_content = template_file.read()
        return Template(template_file_content)
    
def main():
    message_template = read_template('template.txt')
    MY_ADDRESS = '***********@gmail.com'
    PASSWORD = '**** **** **** ****'
    
    s = smtplib.SMTP(host="smtp.gmail.com", port =587)
    s.starttls()
    s.login(MY_ADDRESS, PASSWORD)
    
    with open("details.csv", "r", encoding="utf-8", errors="ignore") as csv_file:
        csv_reader = csv.reader(csv_file)

        
        for lines in csv_reader:
            msg = MIMEMultipart()
            
            message = message_template.substitute(
                PERSON_NAME = lines[0],
                MATH = lines[2],
                ENG = lines[3],
                SCI = lines[4]
            )
        msg["FORM"] = MY_ADDRESS
        msg["TO"] = lines[1]
        msg["Subject"] = "Mid Term Grades"
        
        msg.attach(MIMEMultipart(message, "plain"))
        
        s.send_message(msg)
        del msg
        
    s.quit()
    print("Emails sent successfully")
    
if __name__=="__main__":
    main()