2022-10-26 14:04:04 +02:00
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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2018-09-08 23:02:29 +02:00
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'''
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This script creates randoms pairs from a list of participants in a secret santa
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2018-09-09 13:01:28 +02:00
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game and sends them an email to notify them who the person is that they should
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2018-09-08 23:02:29 +02:00
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buy presents for.
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'''
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# -*- encoding: utf-8 -*-
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from argparse import ArgumentParser
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.utils import formatdate, make_msgid
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2018-09-08 16:08:49 +02:00
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import json
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import random
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2018-09-08 23:02:29 +02:00
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import smtplib
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parser = ArgumentParser()
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parser.add_argument('-p', '--participants',
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dest='pFileLocation',
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default='participants.json',
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2018-09-09 22:37:01 +02:00
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help='read a list of participants from PARTICIPANTFILE',
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2018-09-08 23:02:29 +02:00
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metavar='PARTICIPANTFILE')
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parser.add_argument('-c', '--config',
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dest='cFileLocation',
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default='config.json',
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2018-09-09 22:37:01 +02:00
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help='read the configuration from CONFIGFILE',
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2018-09-08 23:02:29 +02:00
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metavar='CONFIGFILE')
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args = parser.parse_args()
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2018-09-08 16:08:49 +02:00
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# load and prepare a list containing all participants
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2018-09-08 23:02:29 +02:00
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with open(args.pFileLocation, 'r') as pFile:
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2022-10-26 14:08:21 +02:00
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participants = json.load(pFile)
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2018-09-08 16:08:49 +02:00
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# create a copy of the list to make choosing a partner easier
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copy = list(enumerate(participants[:]))
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# choose a partner for each participant
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for i in range(len(participants)):
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2022-10-26 14:08:21 +02:00
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# if the last participant has only themselves left to choose, make them
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# switch partners with another random participant
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if len(copy) == 1 and participants[i] == copy[0][1]:
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2018-09-08 16:08:49 +02:00
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2022-10-26 14:08:21 +02:00
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current = participants[i]
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participants.remove(current)
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partner = random.choice(participants)
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2018-09-08 16:08:49 +02:00
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2022-10-26 14:08:21 +02:00
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current['partner'] = partner['partner']
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partner['partner'] = current['name'] + ' (' + current['mail']+')'
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participants.append(current)
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break
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2018-09-08 16:08:49 +02:00
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# otherwise choose a random partner for each participant
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else:
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partner = random.choice(copy)
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while partner[0] == i:
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partner = random.choice(copy)
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2018-09-08 16:08:49 +02:00
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participants[i]['partner'] = partner[1]['name'] + \
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' ('+partner[1]['mail']+')'
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copy.remove(partner)
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2018-09-08 16:08:49 +02:00
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2018-09-08 23:02:29 +02:00
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# load mail server configuration and open smtp server connection
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with open(args.cFileLocation, 'r') as cFile:
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config = json.load(cFile)
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2018-09-08 23:02:29 +02:00
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server = smtplib.SMTP(config['server'], config['port'])
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server.ehlo()
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server.starttls()
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server.ehlo()
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server.login(config['user'], config['pass'])
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2018-09-08 23:02:29 +02:00
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# create emails for all participants and send them
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# change the text for the mail here if you want to
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for r in participants:
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2022-10-26 14:08:21 +02:00
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msg = MIMEMultipart('alternative')
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msg['From'] = config['sender']
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msg['To'] = r['mail']
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msg['Subject'] = 'Wichteln 🎄'
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msg['Message-ID'] = make_msgid(domain=config['sender']
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.split('@')[1]
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.strip('>'))
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msg['Date'] = formatdate(localtime=True)
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body = 'Lieb'+r['gender']+' '+r['name']+'!\n\n'
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body += 'Du bist heuer Wichtel für '+r['partner']+'.\n'
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body += 'Das Geschenk sollte nicht mehr als 75€ kosten.\n\n'
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body += 'Frohe Weihnachten!\n— Dein Christkind 👼'
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2022-10-26 14:09:42 +02:00
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html = f'''
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<html>
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<head></head>
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<body>
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<p>Lieb{r['gender']} {r['name']}!<br><br>
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Du bist heuer Wichtel für {r['partner']}.<br>
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Das Geschenk sollte nicht mehr als 75€ kosten.<br><br>
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Frohe Weihnachten!<br>
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— Dein Christkind 👼
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</p>
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</body>
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</html>
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2022-10-26 14:09:42 +02:00
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'''
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2022-10-26 14:08:21 +02:00
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msg.attach(MIMEText(body, 'plain', 'utf-8'))
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msg.attach(MIMEText(html, 'html', 'utf-8'))
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print('Sending email to', r['name'], '...')
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server.sendmail(config['sender'], r['mail'], msg.as_string())
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