Display desktop notifications using the n10n web service.

n10n-desktop.py

#!/usr/bin/env python
"""Display desktop notifications using the n10n web service."""

import logging
import os
import requests
import time
from gi.repository import Notify

__author__ = "Pablo Seminario"
__copyright__ = "Copyright 2015, Pablo Seminario"
__license__ = "GPLv3"

APP_NAME = 'n10n-desktop'
ICON = 'applications-chat'
INTERVAL = 10
URL = 'http://n10n.debugstack.com/api/message/unread/'

USER = os.environ['N10N_USER']
PASS = os.environ['N10N_PASS']

logger = logging.getLogger(APP_NAME)
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('[%(asctime)s] %(levelname)s::%(message)s')
ch = logging.StreamHandler()
ch.setFormatter(formatter)
logger.addHandler(ch)


def main():
    logger.debug("Start daemon.")
    Notify.init(APP_NAME)

    seen_messages = []
    while True:
        credentials = (USER, PASS)
        try:
            r = requests.get(URL, auth=credentials)
        except requests.exceptions.ConnectionError:
            logger.debug("Connection error.")
        else:
            content = r.json()
            for m in content['messages']:
                if m['id'] in seen_messages:
                    logger.debug("Message %s already seen." % m['id'])
                    continue
                else:
                    seen_messages.append(m['id'])
                n = Notify.Notification.new(m['source_name'],
                                            m['message'], ICON)
                logger.debug("Display message %s." % m['id'])
                n.show()
        logger.debug("Sleeping...")
        time.sleep(INTERVAL)


if __name__ == "__main__":
    main()