ably-push.py

from ably import AblyRest

client = AblyRest('YOUR_KEY')

channel = client.channels.get('push:test')

item_type = u'this is item type'
event = u'this is event'

extras = {
  'push': {
    'notification': {
      'title': 'Hello',
      'body': 'Hello body',
      'sound': 'Fresh_Notify.wav',
      'collapseKey': u'oculd-{}-{}'.format(item_type, event)
    },
    'data': {
      'item_type': item_type,
      'event': event
    },
    'apns': {
      'aps': {
        'alert': {
          'title-loc-key': u'{}-{}-NOTIFICATION-TITLE'.format(item_type, event).upper(),
          'loc-key': u'{}-{}-NOTIFICATION-MESSAGE'.format(item_type, event).upper()
        }
      }
    }
  }
}

channel.publish(name='this is name', data='this is data', extras=extras)