#!/usr/bin/python3
# -*- coding: utf-8 -*-

# Required parameters:
# @raycast.schemaVersion 1
# @raycast.title Generate RFC 4193 ULA Locally Assigned Address Block /64
# @raycast.mode silent
# @raycast.packageName Developer Utilities

# Optional parameters:
# @raycast.icon 💻

import os, binascii, subprocess
prefix = "fd" + binascii.b2a_hex( os.urandom( 7 ) ).decode( "utf-8" )
prefix = prefix[ 0:4 ] + ":" + prefix[ 4:8 ] + ":" + prefix[ 8:12 ] + ":" + prefix[ 12:16 ] + "::/64"
subprocess.run( [ "/usr/bin/pbcopy" ], input = prefix.encode( "utf-8" ) )
print( prefix )