old_contents: from sling import Application
  from sling.core.logger import logger
  from sling.ext import hello
  import localmodule
  
  
  app = Application([
      hello,
  ])
  
  
  # Other way of installing a module
  app.add_module(localmodule)
  
  
  # Install a Falcon middleware
  class HelloMiddleware(object):
      def process_request(self, req, res):
          logger.info('hellomiddleware processing request...')
  
      def process_resource(self, req, res, resource):
          logger.info('hellomiddleware processing resource...')
  
      def process_response(self, req, res, resource):
          logger.info('hellomiddleware processing response...')
  
  
  app.add_middleware(HelloMiddleware)
  
  
  # Install a standard WSGI Middleware
  from werkzeug.contrib.profiler import ProfilerMiddleware
  app.add_wsgi_middleware(
      ProfilerMiddleware, sort_by=('cumtime',), restrictions=('/opt', 30))
  
  wsgi = app.wsgi
  
  
  if __name__ == '__main__':
      app.manage()
  
new_contents: from sling import Application
  from sling.core.logger import logger
  from sling.ext import hello
  import localmodule
  
  
  app = Application([
      hello,
  ])
  
  
  # Other way of installing a module
  app.add_module(localmodule)
  
  
  # Install a Falcon middleware
  class HelloMiddleware(object):
      def process_request(self, req, res):
          logger.info('hellomiddleware processing request...')
  
      def process_resource(self, req, res, resource):
          logger.info('hellomiddleware processing resource...')
  
      def process_response(self, req, res, resource):
          logger.info('hellomiddleware processing response...')
  
  
  app.add_middleware(HelloMiddleware)
  
  
  # Install a standard WSGI Middleware
  from werkzeug.contrib.profiler import ProfilerMiddleware
  app.add_wsgi_middleware(ProfilerMiddleware, sort_by=('cumtime',), restrictions=('/opt', 30))
  
  # Install werkzeug debugger
  from werkzeug.debug import DebuggedApplication
  app.add_wsgi_middleware(DebuggedApplication, evalex=True)
  
  wsgi = app.wsgi
  
  
  if __name__ == '__main__':
      app.manage()
  
subject: Add example for werkzeug middleware installation.