old_contents: # Copyright (c) 2016 Ansible, Inc.
  # All Rights Reserved.
  
  import logging
  import requests
  import json
  
  from django.utils.encoding import smart_text
  from django.utils.translation import ugettext_lazy as _
  from awx.main.notifications.base import AWXBaseEmailBackend
  from awx.main.utils import get_awx_version
  
  logger = logging.getLogger('awx.main.notifications.mattermost_backend')
  
  
  class MattermostBackend(AWXBaseEmailBackend):
  
      init_parameters = {"mattermost_url": {"label": "Target URL", "type": "string"}}
                         #"mattermost_channel": {"label": "Channel", "type": "string"},
                         #"mattermost_username": {"label": "Username", "type": "string"},
                         #"mattermost_icon_url": {"label": "Icon URL", "type": "string"}}
      recipient_parameter = "mattermost_url"
      sender_parameter = None
  
      def __init__(self, mattermost_channel=None, mattermost_username=None, 
                   mattermost_icon_url=None, fail_silently=False, **kwargs):
          super(MattermostBackend, self).__init__(fail_silently=fail_silently)
          self.mattermost_channel = mattermost_channel
          self.mattermost_username = mattermost_username
          self.mattermost_icon_url = mattermost_icon_url
  
      def format_body(self, body):
          return body
  
      def send_messages(self, messages):
          sent_messages = 0
          for m in messages:
              payload = {}
              for opt, optval in {'mattermost_icon_url':'icon_url',
                                  'mattermost_channel': 'channel', 'mattermost_username': 'username'}.iteritems():
                optvalue = getattr(self, opt)
                if optvalue is not None:
                    payload[optval] = optvalue.strip()
  
              payload['text'] = m.subject
  
              r = requests.post("{}".format(m.recipients()[0]),
                                data=json.dumps(payload))
              if r.status_code >= 400:
                  logger.error(smart_text(_("Error sending notification mattermost: {}").format(r.text)))
                  logger.error(smart_text(_("Error sending notification mattermost: {}").format(payload)))
                  if not self.fail_silently:
                      raise Exception(smart_text(_("Error sending notification mattermost: {}").format(r.text)))
              sent_messages += 1
          return sent_messages
  
new_contents: # Copyright (c) 2016 Ansible, Inc.
  # All Rights Reserved.
  
  import logging
  import requests
  import json
  
  from django.utils.encoding import smart_text
  from django.utils.translation import ugettext_lazy as _
  from awx.main.notifications.base import AWXBaseEmailBackend
  
  logger = logging.getLogger('awx.main.notifications.mattermost_backend')
  
  
  class MattermostBackend(AWXBaseEmailBackend):
  
      init_parameters = {"mattermost_url": {"label": "Target URL", "type": "string"}}
      recipient_parameter = "mattermost_url"
      sender_parameter = None
  
      def __init__(self, mattermost_channel=None, mattermost_username=None, 
                   mattermost_icon_url=None, fail_silently=False, **kwargs):
          super(MattermostBackend, self).__init__(fail_silently=fail_silently)
          self.mattermost_channel = mattermost_channel
          self.mattermost_username = mattermost_username
          self.mattermost_icon_url = mattermost_icon_url
  
      def format_body(self, body):
          return body
  
      def send_messages(self, messages):
          sent_messages = 0
          for m in messages:
              payload = {}
              for opt, optval in {'mattermost_icon_url':'icon_url',
                                  'mattermost_channel': 'channel', 'mattermost_username': 'username'}.iteritems():
                  optvalue = getattr(self, opt)
                  if optvalue is not None:
                      payload[optval] = optvalue.strip()
  
              payload['text'] = m.subject
  
              r = requests.post("{}".format(m.recipients()[0]),
                                data=json.dumps(payload))
              if r.status_code >= 400:
                  logger.error(smart_text(_("Error sending notification mattermost: {}").format(r.text)))
                  if not self.fail_silently:
                      raise Exception(smart_text(_("Error sending notification mattermost: {}").format(r.text)))
              sent_messages += 1
          return sent_messages
  
subject: Remove debugging line