test nautilus python extension

import urllib
from gi.repository import GObject, Nautilus


class TestExtension(GObject.GObject, Nautilus.InfoProvider):

  def __init__(self):
    pass

  def update_file_info_full(self, provider, handle, closure, file):
    if file.get_uri_scheme() != 'file':
      return

    # file.invalidate_extension_info()
    GObject.timeout_add(1, self.add_emblem, provider, handle, closure, file)
    return Nautilus.OperationResult.IN_PROGRESS


  def cancel_update(self, provider, handle):
    pass


  def add_emblem(self, provider, handle, closure, file):
    file.add_emblem('new')
    Nautilus.info_provider_update_complete_invoke(closure, provider, handle,
                                                  Nautilus.OperationResult.COMPLETE)
    return False