code: def run(self, handler):
          
          import eventlet.patcher
          if not eventlet.patcher.is_monkey_patched(os):
              msg = ("%s requires eventlet.monkey_patch() (before "
                     "import)" % self.__class__.__name__)
              raise RuntimeError(msg)
  
          # Separate out wsgi.server arguments
          wsgi_args = {}
          for arg in ('log', 'environ', 'max_size', 'max_http_version',
                      'protocol', 'server_event', 'minimum_chunk_size',
                      'log_x_forwarded_for', 'custom_pool', 'keepalive',
                      'log_output', 'log_format', 'url_length_limit', 'debug',
                      'socket_timeout', 'capitalize_response_headers'):
              try:
                  wsgi_args[arg] = self.options.pop(arg)
              except KeyError:
                  pass
          if 'log_output' not in wsgi_args:
              wsgi_args['log_output'] = not self.quiet
  
          import eventlet.wsgi
          sock = self.options.pop('shared_socket', None) or self.get_socket()
          eventlet.wsgi.server(sock, handler, **wsgi_args)
docs: Start bottle server.