sudo ln -s $PWD/xdg-open.py /usr/bin/xdg-open

xdg-open.py

#!/usr/bin/env python

from os.path import isdir, splitext
from urlparse import urlparse
from urllib import unquote

import sys
import os


APP_MAPPINGS = {
    'html': 'google-chrome',
    'pdf': '/opt/Adobe/Reader9/bin/acroread'
}

FILE_MANAGER = 'pcmanfm'
BROWSER = 'google-chrome'

def open_local(url):
    path = unquote(url.path)

    app = ''
    if isdir(path):
        app = FILE_MANAGER
    else:
        ext = splitext(path)[1]
        app = APP_MAPPINGS.get(ext[1:])

    if not app:
        raise TypeError("Don't know how to open %s." % path)

    cmd = '%s "%s"' % (app, path)
    os.system(cmd)

def open_in_browser(url):
    cmd = '%s "%s"' % (BROWSER, url.geturl())
    os.system(cmd)

SCHEME_HANDLERS = {
    'file': open_local,
    'http': open_in_browser,
    'https': open_in_browser,
}

def open_url(url):
    scheme = url.scheme or 'file'
    handler = SCHEME_HANDLERS.get(scheme)
    if not handler:
        raise TypeError('Unknown URL scheme.')
    handler(url)

def main():
    if len(sys.argv) < 2:
        sys.exit("usage: open.py <filename or url>")
    open_url(urlparse(sys.argv[1]))

if __name__ == '__main__':
    main()