Python experimental UI API

Can draw panels in the scripts space containing RNA and operator buttons.
* Added bpyui.register() so scripts can draw buttons and panels into the scripts space type.
* wrapped drawBlock, drawPanels and matchPanelsView2d
* Operator buttons take a python dictionary used to set the button defaults.
* BPY_getFileAndNum utility function to get the filename and line number python is currently running.

1 files changed, 40 insertions, 0 deletions

diff --git a/source/blender/python/intern/bpy_util.c b/source/blender/python/intern/bpy_util.c
index 63112295d18..31d15d8a69e 100644
--- a/source/blender/python/intern/bpy_util.c
+++ b/source/blender/python/intern/bpy_util.c
@@ -161,3 +161,43 @@ void PyObSpit(char *name, PyObject *var) {
 	}
 	fprintf(stderr, "\n");
 }
+
+void BPY_getFileAndNum(char **filename, int *lineno)
+{
+	PyObject *getframe, *frame;
+	PyObject *f_lineno, *f_code, *co_filename;
+	
+	if (filename)	*filename= NULL;
+	if (lineno)		*lineno = -1;
+	
+	getframe = PySys_GetObject("_getframe"); // borrowed
+	if (getframe) {
+		frame = PyObject_CallObject(getframe, NULL);
+		if (frame) {
+			f_lineno= PyObject_GetAttrString(frame, "f_lineno");
+			f_code= PyObject_GetAttrString(frame, "f_code");
+			if (f_lineno && f_code) {
+				co_filename= PyObject_GetAttrString(f_code, "co_filename");
+				if (co_filename) {
+					
+					if (filename)	*filename = _PyUnicode_AsString(co_filename);
+					if (lineno)		*lineno = (int)PyLong_AsSsize_t(f_lineno);
+					
+					Py_DECREF(f_lineno);
+					Py_DECREF(f_code);
+					Py_DECREF(co_filename);
+					Py_DECREF(frame);
+					
+					return;
+				}
+			}
+		}
+	}
+	
+	Py_XDECREF(co_filename);
+	Py_XDECREF(f_lineno);
+	Py_XDECREF(f_code);
+	Py_XDECREF(frame);
+	
+	PyErr_SetString(PyExc_SystemError, "Could not access sys._getframe().f_code.co_filename");
+}