#!/usr/bin/python

import os
import urllib
from lxml import etree

def relpath(path, start=os.path.curdir):
    """Return a relative version of a path"""

    if not path:
        raise ValueError, 'no path specified'    
    start_list = (os.path.abspath(start)).split(os.path.sep)
    path_list = (os.path.abspath(path)).split(os.path.sep)
    if start_list[0].lower() <> path_list[0].lower():
        unc_path, rest = splitunc(path)
        unc_start, rest = splitunc(start)
        if (unc_path and not unc_start) or (not unc_path and unc_start):
            raise ValueError, "Cannot mix UNC and non-UNC paths (%s and %s)" \
                                                                 % (path, start)
        else:
            raise ValueError, 'path is on drive %s, start on drive %s' \
                                                 % (path_list[0], start_list[0])
    # Work out how much of the filepath is shared by start and path.
    for i in range(min(len(start_list), len(path_list))):
        if start_list[i].lower() <> path_list[i].lower():
            break
    else:
        i+=1

    rel_list = [os.path.pardir] * (len(start_list)-i) + path_list[i:]
    return os.path.join(*rel_list)
os.path.relpath = relpath

os.chdir(os.path.expanduser('~/stash/music'))
playlists = os.path.expanduser('~/.local/share/rhythmbox/playlists.xml')
playlists = etree.parse(playlists)
playlist = playlists.findall('.//playlist[@name="phone"]/location')
command = ['rsync','-avR','booph.local:stash/music/']
for url in playlist: command.insert(-1,os.path.relpath(urllib.url2pathname(url.text)[7:]))
os.spawnvp(os.P_WAIT,'rsync',command)