--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/py.js	Wed Sep 24 16:47:18 2008 -0700
@@ -0,0 +1,50 @@
+function Py(code) {
+  if ('Py' in this)
+    throw new Error("Py() must be called with 'new' keyword");
+
+  var self = this;
+
+  var co_code = code.co_code;
+  var co_consts = code.co_consts;
+  var co_names = code.co_names;
+
+  var ops = {};
+  var stack = [];
+  var globals = {};
+  var locals = {};
+
+  ops.LOAD_CONST = function LOAD_CONST(index) {
+    stack.push(co_consts[index]);
+  };
+
+  ops.LOAD_NAME = function LOAD_NAME(index) {
+    stack.push(locals[co_names[index]]);
+  };
+
+  ops.BINARY_ADD = function BINARY_ADD() {
+    stack.push(stack.pop() + stack.pop());
+  };
+
+  ops.STORE_NAME = function STORE_NAME(index) {
+    locals[co_names[index]] = stack.pop();
+  };
+
+  ops.STORE_GLOBAL = function STORE_GLOBAL(index) {
+    globals[co_names[index]] = stack.pop();
+  };
+
+  ops.RETURN_VALUE = function RETURN_VALUE() {
+    self.returnValue = stack.pop();
+  };
+
+  for (var i = 0; i < co_code.ops.length; i++) {
+    var op = co_code.ops[i].op;
+    var arg = co_code.ops[i].arg;
+    if (!(op in ops))
+      throw new Error('No implementation for op ' + op);
+    ops[op](arg);
+  }
+
+  self.locals = locals;
+  self.globals = globals;
+}