Most if not all Python scripts in the clang/ repo have been ported and are waiting for reviews.
I've split them in independant patches to ease the review works:
https://reviews.llvm.org/D55259
https://reviews.llvm.org/D55258
https://reviews.llvm.org/D55213
https://reviews.llvm.org/D55208
https://reviews.llvm.org/D55205
https://reviews.llvm.org/D55204
https://reviews.llvm.org/D55202
https://reviews.llvm.org/D55200
https://reviews.llvm.org/D55199
https://reviews.llvm.org/D55197
https://reviews.llvm.org/D55196
https://reviews.llvm.org/D55193
https://reviews.llvm.org/D55194
Have fun with these!