def output_file(filename, title='Bokeh Plot', mode='cdn', root_dir=None):
 _state.output_file(filename, title=title, mode=mode, root_dir=root_dir)

def output_file ( filename , title = 'Bokeh Plot' , mode = 'cdn' , root_dir = None ) : _state . output_file ( filename , title = title , mode = mode , root_dir = root_dir )
configure the default output state to generate output saved to a file when :func:show is called .