test

image_reload.py

import bpy

bl_info = {
    "name": "Refresh Images",
    "version": (0, 1),
    "blender": (2, 76, 0),
    "description": "Refresh images",
    "category": "3D View"
}



class SimpleImageUpdater(bpy.types.Operator):
    """Tooltip"""
    bl_idname = "view3d.refresh_images"
    bl_label = "Image Refresher"

    def execute(self, context):
        for img in bpy.data.images:
            img.reload()
        # bpy.context.scene.update()   # not strictly needed
        bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
        return {'FINISHED'}


def register():
    bpy.utils.register_class(SimpleImageUpdater)


def unregister():
    bpy.utils.unregister_class(SimpleImageUpdater)


if __name__ == "__main__":
    register()