rpy2_test

from rpy2 import robjects                          
r = robjects.r                                                                                    
r.library("ggplot2")
robjects.r("p = ggplot(aes(price, carat), data=diamonds) + geom_point() + facet_grid(clarity ~ color, scales = 'free')") 
r.ggsave('faceted_plot.jpeg') 
robjects.r('print(p)')
r['dev.off']()