Added Pyglet playground file where I was playing with Pyglet and Jupyter

integration. Ideally, it would be nice if the graphics from Pyglet would
display inline in Jupyter.

Pyglet Jupyter Playground.ipynb

@@ -0,0 +1,153 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Pyglet + Jupyter Inline?\n",
+    "It's maybe possible to make Pyglet graphics display inline? I read [this google groups post](https://groups.google.com/forum/#!topic/pyglet-users/Ma04eKqBwlE) talking about adding Pyglet support, and it looks like that [found its way to IPython](https://github.com/ipython/ipython/pull/743)? And there is some Pyglet code [still around](https://github.com/ipython/ipython/search?q=pyglet).\n",
+    "\n",
+    "But, for all of that, I'm not sure how to make it work. It seems like `%gui pyglet` is not supported."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "ERROR: Invalid GUI request u'pyglet', valid ones are:['osx', 'qt4', 'qt5', None, 'nbagg', 'gtk', 'gtk3', 'notebook', 'tk', 'inline', 'wx', 'qt']\n"
+     ]
+    }
+   ],
+   "source": [
+    "%gui pyglet"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "import pyglet"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "window = pyglet.window.Window(display=None)\n",
+    "window.on_close = lambda:window.close()\n",
+    "label = pyglet.text.Label('Hello, world',\n",
+    "                          font_name='Times New Roman',\n",
+    "                          font_size=36,\n",
+    "                          x=window.width//2, y=window.height//2,\n",
+    "                          anchor_x='center', anchor_y='center')\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "def draw_triangle():\n",
+    "    pyglet.gl.glBegin(pyglet.gl.GL_TRIANGLES)\n",
+    "    for p in [(20,30), (200,100), (100,200)]:\n",
+    "        pyglet.gl.glVertex3f(p[0], p[1],0)  # draw each vertex\n",
+    "    pyglet.gl.glEnd()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "for _ in range(200):\n",
+    "    window.clear()\n",
+    "    window.switch_to()\n",
+    "    window.dispatch_events()\n",
+    "\n",
+    "    label.draw()\n",
+    "    draw_triangle()\n",
+    "    \n",
+    "    window.flip()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On my Mac, this opens a separate Cocoa window through the Python/Idle program, and displays the window:\n",
+    "<img src=\"pyglet-screenshot.png\">\n",
+    "\n",
+    "But I would like it to display inline, here, so that you can see the window when running Jupyter on a server, such as the MyBinder server."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.11"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}