Updated

Scripts/Animation/dwpicker/scripts/change_namespace.py

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+"""
+The multiple nested namespaces is currently not supported by the namespace
+switch system. This can cause issue for picker having to support sub namespace
+on part of the rig.
+This piece of code allow to set manually a namespace through the selected
+shapes"""
+
+
+import dwpicker
+
+namespace = 'write:nested:namespace:here'
+picker = dwpicker.current()
+
+## Edit Shapes from picker view selection
+
+# selection = [s for s in picker.shapes if s.selected]
+# for shape in selection:
+#     targets = [namespace + ':' + t.split(':')[-1] for t in shape.targets()]
+#     shape.options['action.targets'] = targets
+
+# dwpicker._dwpicker.data_changed_from_picker(picker)
+
+## Edit Shapes from advanced editor selection
+
+index = dwpicker._dwpicker.pickers.index(picker)
+editor = dwpicker._dwpicker.editors[index]
+if editor is None:
+    raise RuntimeWarning("Please open current picker's avanced editor")
+
+selection = editor.shape_editor.selection
+for shape in selection:
+    targets = [namespace + ':' + t.split(':')[-1] for t in shape.targets()]
+    shape.options['action.targets'] = targets
+
+editor.set_data_modified()