Is it possible when using GObject introspection to implement a GObject
interface in Python?
I have written a GObject interface (in C) called I, along with the
following Python code:
class MyClass (MyPkg.Iface):
def __init__(self):
super(MyClass, self).__init__ ()
When I run this code, python terminates and prints:
TypeError: Error when calling the metaclass bases
argument must be a GObject subclass
Everything works fine if I replace the use of MyClass with an
implementation written in C.
Related to this, I am having trouble with g_param_spec_object(). I
would like to pass an interface as the fourth parameter to this
procedure (e.g., FOO_TYPE_SOME_INTERFACE). However, when I do so, Python
code that tries to set the corresponding property terminates and prints:
Warning: g_object_new_valist:
object class 'ClassX' has no property named 'p'
where p is the property that should be an interface.
Is it possible to specify an interface using g_param_spec_object(),
or must one use a real class?
Both of these issues seem to indicate that a GObject library should
implement primitive parent classes for its types instead of merely
providing interfaces for applications to implement. Is this the case?
Thank you,
--
Mike
:wq
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