old_contents: """
  sentry.management.commands.check_notifications
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  :copyright: (c) 2015 by the Sentry Team, see AUTHORS for more details.
  :license: BSD, see LICENSE for more details.
  """
  from __future__ import absolute_import, print_function
  
  from django.core.management.base import BaseCommand, CommandError
  from optparse import make_option
  
  
  def find_mail_plugin():
      from sentry.plugins import plugins
      for plugin in plugins.all():
          if type(plugin).__name__.endswith('MailPlugin'):
              return plugin
      assert False, 'MailPlugin cannot be found'
  
  
  def handle_project(plugin, project, stream):
      stream.write('# Project: %s\n' % project)
      from sentry.utils.email import MessageBuilder
      msg = MessageBuilder('test')
      msg.add_users(plugin.get_sendable_users(project), project)
      for email in msg._send_to:
          stream.write(email + '\n')
  
  
  class Command(BaseCommand):
      help = 'Dump addresses that would get an email notification'
  
      option_list = BaseCommand.option_list + (
          make_option('--organization',
              action='store',
              type='int',
              dest='organization',
              default=0,
              help='',
          ),
          make_option('--project',
              action='store',
              type='int',
              dest='project',
              default=0,
              help='',
          ),
      )
  
      def handle(self, *args, **options):
          if not (options['project'] or options['organization']):
              raise CommandError('Must specify either a project or organization')
  
          from sentry.models import Project, Organization
          if options['organization']:
              projects = list(Organization.objects.get(pk=options['organization']).project_set.all())
          else:
              projects = [Project.objects.get(pk=options['project'])]
  
          plugin = find_mail_plugin()
  
          for project in projects:
              handle_project(plugin, project, self.stdout)
              self.stdout.write('\n')
  
new_contents: """
  sentry.management.commands.check_notifications
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  :copyright: (c) 2015 by the Sentry Team, see AUTHORS for more details.
  :license: BSD, see LICENSE for more details.
  """
  from __future__ import absolute_import, print_function
  
  from optparse import make_option
  
  from django.core.management.base import BaseCommand, CommandError
  
  from sentry.models import User
  
  
  def find_mail_plugin():
      from sentry.plugins import plugins
      for plugin in plugins.all():
          if type(plugin).__name__.endswith('MailPlugin'):
              return plugin
      assert False, 'MailPlugin cannot be found'
  
  
  def handle_project(plugin, project, stream):
      stream.write('# Project: %s\n' % project)
      from sentry.utils.email import get_email_addresses
      user_ids = plugin.get_sendable_users(project)
      users = User.objects.in_bulk(user_ids)
      for user_id, email in get_email_addresses(user_ids, project).items():
          stream.write('{}: {}\n'.format(users[user_id].username, email))
  
  
  class Command(BaseCommand):
      help = 'Dump addresses that would get an email notification'
  
      option_list = BaseCommand.option_list + (
          make_option('--organization',
              action='store',
              type='int',
              dest='organization',
              default=0,
              help='',
          ),
          make_option('--project',
              action='store',
              type='int',
              dest='project',
              default=0,
              help='',
          ),
      )
  
      def handle(self, *args, **options):
          if not (options['project'] or options['organization']):
              raise CommandError('Must specify either a project or organization')
  
          from sentry.models import Project, Organization
          if options['organization']:
              projects = list(Organization.objects.get(pk=options['organization']).project_set.all())
          else:
              projects = [Project.objects.get(pk=options['project'])]
  
          plugin = find_mail_plugin()
  
          for project in projects:
              handle_project(plugin, project, self.stdout)
              self.stdout.write('\n')
  
subject: Improve `check_notifications` management command.