python-dbus + static methods

[Daniel Tabas]

Hello,
i'm new working with d-bus in python, and i'm not able to solve a problem.
I'm working in a proyect that needs to communicate a module with a static
class (with a singleton pattern)  with a gui. Before changing the code of
the module to adjust to the singleton pattern the communication between this
module and the gui was perfect. But now when i decorate a static method,
when i call it throught dbus the proxy-object says the following:

 File "/var/lib/python-support/python2.5/dbus/proxies.py", line 63, in
__call__
    return self._proxy_method(*args, **keywords)
  File "/var/lib/python-support/python2.5/dbus/proxies.py", line 135, in
__call__
    **keywords)
  File "/var/lib/python-support/python2.5/dbus/connection.py", line 603, in
call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Python.AttributeError:
Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/dbus/service.py", line 625, in
_message_cb
    (candidate_method, parent_method) = _method_lookup(self, method_name,
interface_name)
  File "/var/lib/python-support/python2.5/dbus/service.py", line 188, in
_method_lookup
    if ("_dbus_is_method" in cls.__dict__[method_name].__dict__
AttributeError: 'classmethod' object has no attribute '__dict__'

Eliminating the @classmethod decorator to the function that is not
recognised seems to work again.
I don't know if i'm doing something wrong, i hope you help me.
Sorry for my english.
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