old_contents: """Tornado handlers for cluster web service.
  
  Authors:
  
  * Brian Granger
  """
  
  #-----------------------------------------------------------------------------
  #  Copyright (C) 2011  The IPython Development Team
  #
  #  Distributed under the terms of the BSD License.  The full license is in
  #  the file COPYING, distributed as part of this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  from tornado import web
  
  from zmq.utils import jsonapi
  
  from ...base.handlers import IPythonHandler
  
  #-----------------------------------------------------------------------------
  # Cluster handlers
  #-----------------------------------------------------------------------------
  
  
  class MainClusterHandler(IPythonHandler):
  
      @web.authenticated
      def get(self):
          self.finish(jsonapi.dumps(self.cluster_manager.list_profiles()))
  
  
  class ClusterProfileHandler(IPythonHandler):
  
      @web.authenticated
      def get(self, profile):
          self.finish(jsonapi.dumps(self.cluster_manager.profile_info(profile)))
  
  
  class ClusterActionHandler(IPythonHandler):
  
      @web.authenticated
      def post(self, profile, action):
          cm = self.cluster_manager
          if action == 'start':
              n = self.get_argument('n',default=None)
              if n is None:
                  data = cm.start_cluster(profile)
              else:
                  data = cm.start_cluster(profile, int(n))
          if action == 'stop':
              data = cm.stop_cluster(profile)
          self.finish(jsonapi.dumps(data))
  
  
  #-----------------------------------------------------------------------------
  # URL to handler mappings
  #-----------------------------------------------------------------------------
  
  
  _cluster_action_regex = r"(?P<action>start|stop)"
  _profile_regex = r"(?P<profile>[^\/]+)" # there is almost no text that is invalid
  
  default_handlers = [
      (r"/clusters", MainClusterHandler),
      (r"/clusters/%s/%s" % (_profile_regex, _cluster_action_regex), ClusterActionHandler),
      (r"/clusters/%s" % _profile_regex, ClusterProfileHandler),
  ]
  
new_contents: """Tornado handlers for cluster web service.
  
  Authors:
  
  * Brian Granger
  """
  
  #-----------------------------------------------------------------------------
  #  Copyright (C) 2011  The IPython Development Team
  #
  #  Distributed under the terms of the BSD License.  The full license is in
  #  the file COPYING, distributed as part of this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  from tornado import web
  
  from zmq.utils import jsonapi
  
  from ...base.handlers import IPythonHandler
  
  #-----------------------------------------------------------------------------
  # Cluster handlers
  #-----------------------------------------------------------------------------
  
  
  class MainClusterHandler(IPythonHandler):
  
      @web.authenticated
      def get(self):
          self.finish(jsonapi.dumps(self.cluster_manager.list_profiles()))
  
  
  class ClusterProfileHandler(IPythonHandler):
  
      @web.authenticated
      def get(self, profile):
          self.finish(jsonapi.dumps(self.cluster_manager.profile_info(profile)))
  
  
  class ClusterActionHandler(IPythonHandler):
  
      @web.authenticated
      def post(self, profile, action):
          cm = self.cluster_manager
          if action == 'start':
              n = self.get_argument('n', default=None)
              if not n:
                  data = cm.start_cluster(profile)
              else:
                  data = cm.start_cluster(profile, int(n))
          if action == 'stop':
              data = cm.stop_cluster(profile)
          self.finish(jsonapi.dumps(data))
  
  
  #-----------------------------------------------------------------------------
  # URL to handler mappings
  #-----------------------------------------------------------------------------
  
  
  _cluster_action_regex = r"(?P<action>start|stop)"
  _profile_regex = r"(?P<profile>[^\/]+)" # there is almost no text that is invalid
  
  default_handlers = [
      (r"/clusters", MainClusterHandler),
      (r"/clusters/%s/%s" % (_profile_regex, _cluster_action_regex), ClusterActionHandler),
      (r"/clusters/%s" % _profile_regex, ClusterProfileHandler),
  ]
  
subject: fix default cluster count