script to book parking

config.json

{
  "from": "",
  "to": "",
  "subject" : "parking request for tomorrow"
}

content.txt

Hello Receiver,

Can you please book a parking spot for me for tomorrow?

Thanks,
Sender

crontab

# send email every weekday at 2:15 pm with email content from content.txt
15 14 * * 1-4 python apsolute_path_to_script

# Send email on friday at 2:15 pm with a email content from template.txt
15 14 * * 5 python apsolute_path_to_script template.txt

parking

#!/usr/bin/env python

import smtplib, json, os, logging, sys
from email.mime.text import MIMEText

'''
Usage: ./parking                Sends email using default template
       ./parking template.txt   Sends email using custom template
'''

config = 'config.json'
content = 'content.txt' if len(sys.argv) < 2 else sys.argv[1]
log = 'logs'
current_dir = os.path.dirname(os.path.realpath(__file__)) + '/'

logger = logging.getLogger('parking-emailer')
handler = logging.FileHandler(current_dir + log)
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
logger.setLevel(logging.INFO)

try:
    with open(current_dir + config) as data_file:
          data = json.load(data_file)

    me = data['from']
    you = data['to']
    subject = data['subject']

    fp = open(current_dir + content, 'rb')

    msg = MIMEText(fp.read())
    fp.close()

    msg['Subject'] = subject
    msg['From'] = me
    msg['To'] = you

    s = smtplib.SMTP('localhost')
    try:
        s.sendmail(me, [you], msg.as_string())
        logger.info("Parking request made successfully.")
    except smtplib.SMTPException as e:
        logger.error("Error sending mail: {0}".format(str(e)))
    finally:
        s.quit()

except IOError as e:
    logger.error("I/O error ({0}): {1} - {2}".format(e.errno, e.strerror, e.filename))
except Exception as e:
    logger.error("Unexpected error: {0}".format(str(e)))