Getting kernel info using enchannel-zmq-backend

watkernel.js

/*
 * Retrieves kernel info, given a connection file
 *
 *    node index.js /Users/rgbkrk/Library/Jupyter/runtime/kernel-24468.json
 *
 */

const enchant = require('enchannel-zmq-backend');
const uuid = require('uuid');

const kernelArg = process.argv[2];

if (!kernelArg) {
  console.error('Pass a kernel runtime file location as the first argument!');
  process.exit(2);
}
const runtimeConfig = require(kernelArg);

const chan = enchant(runtimeConfig);
const msgID = uuid.v4();
const sessionID = uuid.v4();

var message = {
  header: {
    msg_id: msgID,
    username: 'rgbkrk',
    session: sessionID,
    msg_type: 'kernel_info_request',
    version: '5.0',
  },
  content: {},
};

const lang_info = chan.shell
                      .filter(msg => msg.parent_header.msg_id === msgID)
                      .pluck('content', 'language_info');

lang_info
  .first()
  .subscribe(info => {
    console.log(`It's ${info.name}!`);
    console.log(`Isn't ${info.name} ${info.version} a bit out of date?`);

    // Clean up so we auto-exit
    chan.shell.close();
    chan.iopub.close();
    chan.control.close();
    chan.stdin.close();
});

// Send off the kernel_info_request
chan.shell.send(message);

$ node index.js /Users/rgbkrk/Library/Jupyter/runtime/kernel-24468.json
It's python!
Isn't python 2.7.11 a bit out of date?