ref: c90d38382860b13a7d6a804cb3db7e0ff9b8e0e1
dir: /sys/src/cmd/python/python.proto/
386 - sys sys bin - sys sys python - sys sys sys - sys sys lib - sys sys python - sys sys + - sys sys man - sys sys 1 - sys sys python - sys sys src - sys sys cmd - sys sys python - sys sys + - sys sys