#!/usr/bin/env python
"""
style.py
Example of accessing and altering a style attribute of an element 
"""
import inkex

def alterStyle(params): 
	for id,node in params['selected'].iteritems():
		style = node.attributes.getNamedItem('style')
		s = inkex.parseStyle(style.value)
		s['fill-opacity']='0.5'
		style.value = inkex.formatStyle(s)

inkex.affect(alterStyle)