Scrape Jenkins build failures from an IMAP box and post to a web service

main.py

from __future__ import unicode_literals

import os
import re

import requests
from imapclient import IMAPClient


fail_subject_re = re.compile('(Subject: )(Build failed in Jenkins: .+? )')
success_subject_re = re.compile('(Subject: )(Jenkins build is back to normal : .+? )')
link_re = re.compile('(See )(\<http[s]{0,1}://.+?\>)')

host = os.environ['IMAP_HOST']
username = os.environ['IMAP_USERNAME']
password = os.environ['IMAP_PASSWORD']
notify_url = os.environ['NOTIFY_URL']

server = IMAPClient(host, use_uid=True, ssl=True)
server.login(username, password)

server.select_folder('INBOX')
messages = server.search(['UNSEEN'])
response = server.fetch(messages, ['RFC822.SIZE', 'BODY[TEXT]<0.100>',
                                   'BODY[HEADER.FIELDS (SUBJECT)]'])
for _, data in response.iteritems():
    subject = fail_subject_re.match(data['BODY[HEADER.FIELDS (SUBJECT)]']) or \
                  success_subject_re.match(data['BODY[HEADER.FIELDS (SUBJECT)]'])
    if not subject:
        continue
    link = link_re.match(data['BODY[TEXT]<0>'])
    message = '{} {}'.format(
        subject.group(2).replace(' : ', ': '),
        link.group(2))
    requests.post(notify_url, data={'message': message})
server.logout()

requirements.txt

imapclient >= 1.0.0
requests