IMHO "statutory rape" (or, as less aggressive codes would put it "unlawful sexual intercourse") is considerably less serious than actual rape.

I am in little doubt that after all the intervening furore the sentencing will not be a fair process. I am also concerned that the as far as I know arrest was carried out in Switzerland because French law would not permit Polanksi's extradition. I am not clear why that should have been so but it worries me that that has been got round.

There was, however, the aggravating feature (if my memory serves me) that passivity (rather than consent) was obtained by surreptitiously administering a fairly powerful sedative.

As I recollect the conviction was properly obtained, and Polanski should therefore not in principle avoid sentence, but I do not see how a fair sentencing process can now take place.