Python scripts to read a list of customer emails and send an email with the daily weather forecast

emailer.py

import weather
import smtp

'''
Send a greeting email to our customer email list
with the daily weather forecast and schedule
'''

def get_emails():
    # Reading emails from a file
    emails = {}

    try:
        email_file = open('emails.txt', 'r')

        for line in email_file:
            (email, name) = line.split(',')
            emails[email] = name.strip()
            
    except FileNotFoundError as err:
        print(err)

    return emails


def get_schedule():
    # Reading our schedule from a file
    try:
        schedule_file = open('schedule.txt', 'r')

        schedule = schedule_file.read()
    except FileNotFoundError as err:
        print(err)
        
    return schedule


def main():
    # Get our dictionary of customer emails and names
    emails = get_emails()
    
    # Get our daily performance schedule
    schedule = get_schedule()
    
    # Get the current weather forecast
    forecast = weather.get_weather_forecast()

    # Send emails to all of our customers with our forecast and schedule
    smtp.send_emails(emails, schedule, forecast)


main()

emails.txt

flying.through.python@gmail.com, Flying Python
sbuchanan@codeschool.com, Sarah Buchanan
hal@codeschool.com, hal

schedule.txt

Ventriloquism - 9:00am
Snake Charmer - 12:00pm
Amazing Acrobatics - 2:00pm 
Enchanted Elephants - 5:00pm

smtp.py

import smtplib

def send_emails(emails, schedule, forecast):
    # Connect to the smtp server
    server = smtplib.SMTP('smtp.gmail.com', '587')

    # Start TLS encryption
    server.starttls()

    # Login
    password = input("What's your password?")
    from_email = 'flying.through.python@gmail.com'
    server.login(from_email, password)

    # Send to entire email list
    for to_email, name in emails.items():
        message = 'Subject: Welcome to the Circus!\n'
        message += 'Hi ' + name + '!\n\n'
        message += forecast + '\n\n'
        message += "Today's Performance Schedule:"
        message += schedule + '\n\n'
        message += 'Hope to see you there!'
        server.sendmail(from_email, to_email, message)

    server.quit()

weather.py

import requests

def get_weather_forecast():
    # Connecting to the weather api
    url = 'http://api.openweathermap.org/data/2.5/weather?q=Orlando,fl&units=imperial&appid=f641b59e03463c808393605f493b1f93'
    weather_request = requests.get(url)
    weather_json = weather_request.json()

    # Parsing JSON
    description = weather_json['weather'][0]['description']
    temp_min = weather_json['main']['temp_min']
    temp_max = weather_json['main']['temp_max']

    # Creating our forecast string
    forecast = 'The Circus forecast for today is '
    forecast += description + ' with a high of ' + str(int(temp_max))
    forecast += ' and a low of ' + str(int(temp_min)) + '.'

    return forecast

Hi Sarah !
First thanks for sharing your code,

I had an issue when running your code. Can you help on this ? :)

C:\Python27\python.exe D:/Gist/emailer/emailer.py
What's your password?test
Traceback (most recent call last):
  File "D:/Gist/emailer/emailer.py", line 52, in <module>
    main()
  File "D:/Gist/emailer/emailer.py", line 49, in main
    smtp.send_emails(emails, schedule, forecast)
  File "D:\Gist\emailer\smtp.py", line 11, in send_emails
    password = input("What's your password?")
  File "<string>", line 1, in <module>
NameError: name 'test' is not defined

@casdidier, I think you had typo in smtp.py. Please check

@casdidier, I believe this code is for Python 3. So either run with Python 3+ interpreter.
Or, you can try changing input() to raw_input() for Python 2.7.

@casdidier to support both input() and raw_input() you can do:
from builtins import input
(edit: seems you need to install that for py2, so maybe do a try/except on raw_input rather)

However I would probably get the pw from my OS environment so I can run this automatically / in a cronjob:

password = os.environ.get('MAIL_PASSWORD')
(or make it a constant at the top of the script)

(edit2: same for api.openweathermap.org API key that is exposed in source)

Can this program be written calling only one txt file? i meant email.txt and schedule.txt merged in one file and the mails to be sent to only selected mail IDs?