old_contents: # -*- coding: utf-8 -*-
  from flask.ext import script
  from alchemist.conf import settings
  
  
  class Server(script.Server):
      """Runs the application server for development use.
      """
  
      name = 'runserver'
  
      def __init__(self, *args, **kwargs):
          # Pull server configuration out of configuration.
          server = settings.get('SERVER', {})
          server['host'] = server.get('host', 'localhost')
          server['host'] = server.get('host', 'localhost')
          server['threaded'] = server.get('threaded', True)
  
          # Default the server configuration for flask-script.
          kwargs.update(server)
  
          # Continue initialization.
          super().__init__(*args, **kwargs)
  
new_contents: # -*- coding: utf-8 -*-
  from flask.ext import script
  from alchemist.conf import settings
  
  
  class Server(script.Server):
      """Runs the application server for development use.
      """
  
      name = 'runserver'
  
      def __init__(self, *args, **kwargs):
          # Pull server configuration out of configuration.
          server = settings.get('SERVER', {})
          server['host'] = server.get('host', 'localhost')
          server['port'] = server.get('port', 8000)
          server['threaded'] = server.get('threaded', True)
  
          # Default the server configuration for flask-script.
          kwargs.update(server)
  
          # Continue initialization.
          super().__init__(*args, **kwargs)
  
subject: Set port number.