Creating an Email Decorator with Python and AWS

See Python: Tips and Tricks for similar articles.

The Python code below shows how to create a decorator that will email the output of the decorated function to some email address:

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

# AWS Configuration
host = "email-smtp.us-east-1.amazonaws.com"  # your host may be different
username = "your-aws-smtp-username"
pw = "your-aws-smtp-password"
port = 587


def email(f):
    def f2(subject):
        msg = MIMEMultipart("alternative")
        msg["Subject"] = subject
        msg["From"] = "foo@example.com"
        msg["To"] = "bar@example.com"
        text = f()
        mime_text = MIMEText(text, "plain")
        msg.attach(mime_text)
        s = smtplib.SMTP(host, port)
        s.starttls()
        s.login(username, pw)
        s.send_message(msg)
        s.quit()

    return f2


@email
def foo():
    return "Hello, world!"


foo("My Report")

SMTP Service

You can use any SMTP service you like for this. If you use AWS, you will have to create and get your SMTP credentials. I got mine at https://console.aws.amazon.com/ses/home?region=us-east-1#smtp-settings:

Written by Nat Dunn. Follow Nat on Twitter.

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