BPython:

- Campbell Barton contributed another function (thanks again), the Image.reload method:
  with this a script can keep an image that is being edited and saved by an external program updated in Blender.

source/blender/python/api2_2x/Draw.c

@@ -1,4 +1,5 @@
 /* 
+ * $Id$
  *
  * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
  *
@@ -24,7 +25,7 @@
  *
  * This is a new part of Blender.
  *
- * Contributor(s): Willian P. Germano
+ * Contributor(s): Willian P. Germano, Campbell Barton
  *
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */
@@ -106,6 +107,7 @@ static PyObject *Method_String (PyObject * self, PyObject * args);
 static PyObject *Method_GetStringWidth (PyObject * self, PyObject * args);
 static PyObject *Method_Text (PyObject * self, PyObject * args);
 static PyObject *Method_PupMenu (PyObject * self, PyObject * args);
+/* next two by Campbell: */
 static PyObject *Method_PupIntInput (PyObject * self, PyObject * args);
 static PyObject *Method_PupFloatInput (PyObject * self, PyObject * args);
 

source/blender/python/api2_2x/Image.c

@@ -1,4 +1,5 @@
 /* 
+ * $Id$
  *
  * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
  *
@@ -24,7 +25,7 @@
  *
  * This is a new part of Blender.
  *
- * Contributor(s): Willian P. Germano
+ * Contributor(s): Willian P. Germano, Campbell Barton
  *
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */
@@ -33,6 +34,7 @@
 #include <BKE_global.h>
 #include <BKE_library.h>
 #include <BKE_image.h>
+#include <BIF_drawimage.h>
 #include <BLI_blenlib.h>
 #include <IMB_imbuf_types.h> /* for the IB_rect define */
 #include "gen_utils.h"
@@ -233,6 +235,7 @@ static PyObject *Image_getYRep(BPy_Image *self);
 static PyObject *Image_setName(BPy_Image *self, PyObject *args);
 static PyObject *Image_setXRep(BPy_Image *self, PyObject *args);
 static PyObject *Image_setYRep(BPy_Image *self, PyObject *args);
+static PyObject *Image_reload(BPy_Image *self); /* by Campbell */
 
 /*****************************************************************************/
 /* Python BPy_Image methods table:																					 */
@@ -251,6 +254,8 @@ static PyMethodDef BPy_Image_methods[] = {
 					"() - Return Image object x repetition value"},
 	{"getYRep", (PyCFunction)Image_getYRep, METH_NOARGS,
 					"() - Return Image object y repetition value"},
+	{"reload", (PyCFunction)Image_reload, METH_NOARGS,
+					"() - Reload the image from the filesystem"},
 	{"setName", (PyCFunction)Image_setName, METH_VARARGS,
 					"(str) - Change Image object name"},
 	{"setXRep", (PyCFunction)Image_setXRep, METH_VARARGS,
@@ -430,6 +435,18 @@ static PyObject *Image_getYRep(BPy_Image *self)
 					"couldn't get Image.yrep attribute");
 }
 
+static PyObject *Image_reload(BPy_Image *self)
+{
+	Image *img = self->image;
+	
+	free_image_buffers(img); /* force read again */
+	img->ok = 1;
+	image_changed(G.sima, 0);
+	
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+
 static PyObject *Image_setName(BPy_Image *self, PyObject *args)
 {
 	char *name;

source/blender/python/api2_2x/doc/Image.py

@@ -104,6 +104,15 @@ class Image:
     This is for texture tiling.
     @rtype: int
     """
+  def reload():
+    """
+    Reloads this image from the filesystem.  If used within a loop you need to
+    redraw the Window to see the change in the image, e.g. with
+    Window.RedrawAll().
+    @warn: if the image file is corrupt or still being written, it will be
+       replaced by a blank image in Blender, but no error will be returned.
+    @returns: None
+    """
 
   def setName(name):
     """