jupyterlab/packages/services/examples/node/index.js

/*-----------------------------------------------------------------------------
| Copyright (c) 2014-2015, Jupyter Development Team.
|
| Distributed under the terms of the Modified BSD License.
|----------------------------------------------------------------------------*/
'use strict';

var services = require('@jupyterlab/services');


// Start a new session.
var options = {
  kernelName: 'python',
  path: 'foo.ipynb'
};

/* eslint-disable no-console */
console.log('Starting session...');
var session;
services.Session.startNew(options).then(function(s) {
  // Rename the session.
  session = s;
  return session.setPath('bar.ipynb');
}).then(function() {
  console.log('Session renamed to', session.path);
  // Execute and handle replies on the kernel.
  var future = session.kernel.requestExecute({ code: 'a = 1' });
  future.onReply = function(reply) {
    console.log('Got execute reply', reply);
  };
  return future.done;
}).then(function() {
  console.log('Future is fulfilled');
  // Shut down the session.
  return session.shutdown();
}).then(function() {
  console.log('Session shut down');
  process.exit(0);
}).catch(function(err) {
  console.error(err);
  process.exit(1);
});