How to use the gradient.Gradient function in gradient

def split(self,file):
        text = open(file).read()
        t = self.translateGradient(text)
        for grad in t.children:
            t = translate.GradientFunc(grad)
            g = gradient.Gradient()
            g.load_ugr(t)
            out_name = g.name + ".ggr"
            f = open("gradients/" + out_name, "w")
            print >>f, g.serialize()
            f.close()

self.icongroups = IconGroupCollector(self.config)

		# Filter edit helper
		self.filter_editor = RawFilterEditor(self.config.get("Directories", "editor"))

		# Create object for preview render control
		self.render = ActionHandler(self.fullrefresh)

		# Connect preview render controller to filters class
		CustomFilterBase.connect_render(self.render)

		# Load filters from certain directory
		self.filters = FilterCollector(self.config.get("Directories", "filters"))

		# Build griadient object
		self.gradient = gradient.Gradient()

		# Load GUI
		self.builder = Gtk.Builder()
		self.builder.add_from_file('gui.glade')

		gui_elements = (
			'window', 'preview_icon', 'color_list_store', 'color_tree_view', 'direction_list_store',
			'offset_scale', 'offset_switch', 'alt_group_combo', 'alt_theme_combo', 'gradient_combo',
			'filters_combo', 'iconview_combo', 'icongroup_combo', 'alt_icon_store', 'iconview_store',
			'custom_icon_tree_view', 'refresh_button', 'filter_settings_button', 'apply_button',
			'custom_icons_store', 'color_selector', 'notebook', 'rtr_button', 'filter_group_combo',
			'filter_edit_textbuffer', 'filter_preview_icon', 'filter_edit_info_label', 'filter_edit_textview'
		)

		self.gui = {element: self.builder.get_object(element) for element in gui_elements}
		self.gui['filter_edit_textview'].modify_font(Pango.FontDescription("Monospace"))