new_function.py

    @echo
    def _load_builder(self):
        builder = gtk.Builder()
        if self.builder_path:
            if not os.path.exists(self.builder_path):
                raise LookupError(self.__class__, self.builder_path)
            builder.add_from_file(self.builder_path)
        elif self.builder_file:

            #XXX: more sensible selection!!
            data = None
            for type in self.__class__.__mro__:
                for pattern in self.builder_file_patterns:
                    file = pattern % self.builder_file
                    print "Trying builder file {0}".format(file)
                    try:
                        data = pkgutil.get_data(type.__module__, file)
                        print "Succeeded {0}".format(data)
                        break
                    except (IOError, ImportError):
                        print "Failed"
                        continue
                if data:
                    break
            if not data: #XXX: better debugging of the causes?
                raise LookupError(self.__class__, self.builder_file)

            builder.add_from_string(data)
        else: return
        print "self._toplevel is {0}".format(self._toplevel)
        self._toplevel = self.get_builder_toplevel(builder)
        for obj in builder.get_objects():
            print "Adding object {0} to {1}".format(obj, obj.get_name())
            setattr(self, obj.get_name(), obj)

tip.pytb

__init__(<BufferListView object at 0xa1adf7c (uninitialized at 0x0)>)
_load_builder(<BufferListView object at 0xa1adf7c (pygtkhelpers+delegates+BaseDelegate at 0x9592530)>)
Trying builder file ui/buffer_list.ui
Failed
Trying builder file ui/buffer_list
Failed
Trying builder file glade/buffer_list.glade
Succeeded <?xml version="1.0"?>
<!--Generated with glade3 3.2.0 on Thu Apr 26 01:25:47 2007 by ali@book-->
<interface>
  <object class="GtkWindow" id="buffer_list">
    <child>
      <object class="GtkVBox" id="main_widget">
        <property name="visible">True</property>
        <child>
          <object class="GtkScrolledWindow" id="buffers_scroll">
            <property name="visible">True</property>
            <property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
            <property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
            <property name="shadow_type">GTK_SHADOW_ETCHED_IN</property>
            <child>
              <object class="PyGTKHelpersObjectList" id="buffers_ol">
                <property name="visible">True</property>
                <property name="can_focus">True</property>
              </object>
            </child>
          </object>
        </child>
      </object>
    </child>
  </object>
</interface>

self._toplevel is None
get_builder_toplevel(<BufferListView object at 0xa1adf7c (pygtkhelpers+delegates+BaseDelegate at 0x9592530)>, <gtk.Builder object at 0xa1adf54 (GtkBuilder at 0x9ac1400)>)
get_first_builder_window(<gtk.Builder object at 0xa1adf54 (GtkBuilder at 0x9ac1400)>)
Adding object <gtk.Window object at 0xa1b11e4 (GtkWindow at 0x9b212c8)> to GtkWindow
Adding object <gtk.ScrolledWindow object at 0xa1b125c (GtkScrolledWindow at 0x9531e60)> to GtkScrolledWindow
Adding object <ObjectList object at 0xa1addc4 (PyGTKHelpersObjectList at 0xa1e5020)> to PyGTKHelpersObjectList
Adding object <gtk.VBox object at 0xa1b1234 (GtkVBox at 0x9b42db8)> to GtkVBox
Traceback (most recent call last):
  File "/home/papag/Packages/pida-main/pida/core/application.py", line 84, in run_pida
    b.start() # might raise runtime error
  File "/home/papag/Packages/pida-main/pida/core/boss.py", line 77, in start
    self._sm.activate_services()
  File "/home/papag/Packages/pida-main/pida/core/servicemanager.py", line 148, in activate_services
    self._pre_start_services()
  File "/home/papag/Packages/pida-main/pida/core/servicemanager.py", line 242, in _pre_start_services
    svc.pre_start()
  File "/home/papag/Packages/pida-main/pida/services/buffer/buffer.py", line 421, in pre_start
    self._view = BufferListView(self)
  File "/home/papag/Packages/pida-main/pida/ui/views.py", line 56, in __init__
    super(PidaView, self).__init__()
  File "/home/papag/Packages/pida-main/externals/pygtkhelpers/delegates.py", line 34, in wrapped
    return fn(*v, **k)
  File "/home/papag/Packages/pida-main/externals/pygtkhelpers/delegates.py", line 101, in __init__
    self.create_ui()
  File "/home/papag/Packages/pida-main/pida/services/buffer/buffer.py", line 52, in create_ui
    self.buffers_ol.set_columns([
AttributeError: 'BufferListView' object has no attribute 'buffers_ol'
startup breakdown
Exiting. (this is fatal)

Have this problem too on Ubuntu 10.04

Too in Arch Linux