jcs.org
utility to sync an itunes playlist to a directory (like a mounted sd card/phone)
add
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itunes-rsync.rb
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itunes-rsync.rb
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#!/usr/bin/ruby
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# $Id: itunes-rsync.rb,v 1.1 2009/01/27 08:49:12 jcs Exp $
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#
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# rsync an itunes playlist with another directory, most likely a usb music
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# device
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#
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# requires the rubyosa gem ("sudo gem install rubyosa")
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#
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# Copyright (c) 2009 joshua stein <jcs@jcs.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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require "rubygems"
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require "rbosa"
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if !ARGV[1]
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puts "usage: #{$0} <itunes playlist> <destination directory>"
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exit
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end
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playlist = ARGV[0]
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if Dir[ARGV[1]].any?
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destdir = ARGV[1]
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if !destdir.match(/\/$/)
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destdir += "/"
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end
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else
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puts "error: directory \"#{destdir}\" does not exist, exiting"
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exit
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end
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print "querying itunes for playlist \"#{playlist}\"... "
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# disable a stupid xml deprecation warning
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$VERBOSE = nil
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itunes = OSA.app("iTunes")
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itpl = itunes.sources.select{|s| s.name == "Library" }.first.
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user_playlists.select{|p| p.name.downcase == playlist.downcase }.first
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if !itpl
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puts "could not locate, exiting"
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exit
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end
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tracks = itpl.file_tracks.map{|t| t.location }
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puts "found #{tracks.length} track#{tracks.length == 1 ? '' : 's'}."
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# figure out where all of them are stored by checking for the greatest common
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# directory of every track
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gcd = ""
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(1 .. tracks.map{|t| t.length }.max).each do |s|
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piece = tracks[0][0 .. s - 1]
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ok = true
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tracks.each do |t|
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if t[0 .. s - 1] != piece
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ok = false
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end
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end
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if ok
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gcd = piece
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else
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break
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end
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end
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# setup work dir
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td = `mktemp -d /tmp/itunesrsync.XXXXX`.strip
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# mirror directory structure and create symlinks
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print "linking files under #{td}/... "
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tracks.each do |t|
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shortpath = t[gcd.length .. t.length - 1]
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tmppath = "#{td}/#{shortpath}"
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if !Dir[File.dirname(tmppath)].any?
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system("mkdir", "-p", File.dirname(tmppath))
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end
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system("ln", "-s", t, tmppath)
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end
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puts "done."
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# times don't ever seem to match up, so only check size
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puts "rsyncing to #{destdir}... "
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system("rsync", "-Lrv", "--size-only", "--delete", "#{td}/", destdir)
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print "cleaning up... "
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system("rm", "-rf", td)
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puts "done."