Move Jupyter kernel into notebooks dir.

docs/notebooks/jupyter_kernel/Try out the Joypy Jupyter Kernel.ipynb

@@ -0,0 +1,159 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3"
+     ]
+    }
+   ],
+   "source": [
+    "1 2 +"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "9"
+     ]
+    }
+   ],
+   "source": [
+    "sqr"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": []
+    }
+   ],
+   "source": [
+    "clear"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]]"
+     ]
+    }
+   ],
+   "source": [
+    "[\"tommy\" 23 [\"richard\" 48 [] []] [\"jenny\" 18 [] []]] "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [first]"
+     ]
+    }
+   ],
+   "source": [
+    "[first]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [first]"
+     ]
+    }
+   ],
+   "source": [
+    "[dup] dip"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [not] [pop] [[first] dupdip] [[rest rest] dip step]"
+     ]
+    }
+   ],
+   "source": [
+    "[not] [pop] roll< [dupdip] cons [[rest rest] dip step]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] u'tommy' u'richard' u'jenny'"
+     ]
+    }
+   ],
+   "source": [
+    "genrec"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Joypy",
+   "language": "",
+   "name": "joypy"
+  },
+  "language_info": {
+   "file_extension": ".joy",
+   "mimetype": "text/plain",
+   "name": "Joy"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

docs/notebooks/jupyter_kernel/joy_kernel.py

@@ -0,0 +1,83 @@
+import sys
+from ipykernel.kernelbase import Kernel
+from joy.library import default_defs, initialize, inscribe
+from joy.joy import run
+from joy.utils.stack import stack_to_string
+from joy.utils.pretty_print import trace
+
+
+inscribe(trace)
+
+
+class FileFaker:
+
+    def __init__(self):
+        self.output = ''
+
+    def write(self, text):
+        self.output += text
+
+    def flush(self):
+        pass
+
+    @classmethod
+    def hook(class_, f):
+        o = class_()
+        sys.stdout, old_stdout = o, sys.stdout
+        try:
+            f()
+        finally:
+            sys.stdout = old_stdout
+        return o.output
+
+
+class JoyKernel(Kernel):
+    implementation = 'Joypy'
+    implementation_version = '1.0'
+    language = 'Joy'
+    language_version = '0.1'
+    language_info = {
+        'name': 'Joy',
+        'mimetype': 'text/plain',
+        'file_extension': '.joy',
+    }
+    banner = "Echo kernel - as useful as a parrot"
+
+    def __init__(self, *a, **b):
+      self.D = initialize()
+      default_defs(self.D)
+      self.S = ()
+      super(JoyKernel, self).__init__(*a, **b)
+
+    def do_execute(
+      self,
+      code,
+      silent,
+      store_history=True,
+      user_expressions=None,
+      allow_stdin=False,
+      ):
+      def f():
+        self.S = run(code, self.S, self.D)[0]
+      output = FileFaker.hook(f)
+      if not silent:
+        text = stack_to_string(self.S)
+        if output:
+          text = '%s\n%s' % (output, text)
+        stream_content = {
+          'name': 'stdout',
+          'text': text,
+          }
+        self.send_response(self.iopub_socket, 'stream', stream_content)
+
+      return {'status': 'ok',
+              # The base class increments the execution count
+              'execution_count': self.execution_count,
+              'payload': [],
+              'user_expressions': {},
+             }
+
+
+if __name__ == '__main__':
+  from ipykernel.kernelapp import IPKernelApp
+  IPKernelApp.launch_instance(kernel_class=JoyKernel)

docs/notebooks/jupyter_kernel/kernel.json

@@ -0,0 +1,4 @@
+{
+  "argv": ["python", "-m", "joy_kernel", "-f", "{connection_file}"],
+  "display_name": "Joypy"
+}