code object support in exec statement

Cython/Compiler/Builtin.py

@@ -182,6 +182,14 @@ static PyObject* __Pyx_PyRun(PyObject* o, PyObject* globals, PyObject* locals) {
         globals = locals;
     }
 
+    if (PyDict_GetItemString(globals, "__builtins__") == NULL) {
+	PyDict_SetItemString(globals, "__builtins__", PyEval_GetBuiltins());
+    }
+    
+    if (PyCode_Check(o)) {
+	result = PyEval_EvalCode((PyCodeObject *)o, globals, locals);
+    }
+    else {
 	if (PyUnicode_Check(o)) {
     	    s = PyUnicode_AsUTF8String(o);
     	    if (!s) goto bad;
@@ -191,18 +199,17 @@ static PyObject* __Pyx_PyRun(PyObject* o, PyObject* globals, PyObject* locals) {
 	#else
 	} else if (!PyString_Check(o)) {
 	#endif
-        /* FIXME: support file objects and code objects */
     	    PyErr_SetString(PyExc_TypeError,
-            "exec currently requires a string as code input.");
+        	"exec: arg 1 must be string, bytes or code object");
     	    goto bad;
 	}
-
 	#if PY_MAJOR_VERSION >= 3
 	code = PyBytes_AS_STRING(o);
 	#else
 	code = PyString_AS_STRING(o);
 	#endif
 	result = PyRun_String(code, Py_file_input, globals, locals);
+    }
 
     Py_XDECREF(s);
     return result;