GIMP Python-Fu function to generate CSS gradient based on current selection bounds

pushgrad.py

def pushgrad(options={}, use_gradient_name=True, image_index=0):
	img = gimp.image_list()[image_index]
	sel = pdb.gimp_selection_bounds(img)
	left, top = sel[1], sel[2]
	width = sel[3] - left
	height = sel[4] - top
	# The following variable, prefix, is what I prefix all of my gradient names in GIMP. Change this to
	# fit your situation.
	prefix = 'natcss_'
	if use_gradient_name:
		active_gradient_name = pdb.gimp_context_get_gradient(img).replace(prefix, '')
		grad_colors = {'linear':active_gradient_name,'radial':active_gradient_name}
	else: 
		grad_colors = {'linear':'black 0%, black 100%','radial':'transparent 98%, black 100%'}
	# DEFAULTS	
	grad_type      = options.get('type', 'linear')
	grad_angle     = options.get('deg', '90deg')
	grad_shape     = options.get('shape', 'ellipse')
	grad_size      = options.get('size', 'closest-side')
	grad_position  = options.get('pos', 'center center')
	grad_linear    = 'ling(%s, (%s)' % (grad_angle, grad_colors[grad_type])
	grad_radial    = 'radg(%s, %s, %s, (%s)' % (grad_shape, grad_size, grad_position, grad_colors[grad_type])
	grad_types     = {'linear': grad_linear, 'radial': grad_radial}
	print '\n$gv: pushgrad(%s, (%dpx %dpx), (%dpx %dpx), $s));\n' % (grad_types[grad_type], left, top, width, height)