download-scripts/path-to-eye-path

#!/usr/bin/env python3

# Take a path as the only argument and print a path suitable for use with
# The Eye's ceph cluster, which doesn't want e.g. 7 million channel folders
# in one directory.

import sys

path = sys.argv[1]
components = path.split("/")
out = []
first_youtube = components.index("YouTube")
for n, c in enumerate(components):
	if n == first_youtube + 1:
		if c.startswith("UC") and len(c) == 24:
			out.append("UC")
			out.append(c[:4])
		elif c.startswith("FL") and len(c) == 24:
			out.append("FL")
		elif c.startswith("LL") and len(c) == 24:
			out.append("LL")
		elif c.startswith("EL") and len(c) in (13, 24) and c != "ELSAhollywood":
			out.append("EL")
		elif c.startswith("PL") and len(c) in (18, 34):
			out.append("PL")
		elif c.startswith("OL") and len(c) == 41:
			out.append("OL")
		elif c.startswith("__"):
			out.append("__")
		else:
			out.append("user")
			out.append(c[0])
	out.append(c)

print("/".join(out))