PyObject *
_pygi_marshal_to_py_interface_struct (PyGIInvokeState   *state,
                                      PyGICallableCache *callable_cache,
                                      PyGIArgCache      *arg_cache,
                                      GIArgument        *arg)
{
    PyObject *py_obj = NULL;
    PyGIInterfaceCache *iface_cache = (PyGIInterfaceCache *)arg_cache;
    GType type = iface_cache->g_type;

    if (arg->v_pointer == NULL) {
        py_obj = Py_None;
        Py_INCREF (py_obj);
        return py_obj;
    }

    if (g_type_is_a (type, G_TYPE_VALUE)) {
        py_obj = pyg_value_as_pyobject (arg->v_pointer, FALSE);
    } else if (iface_cache->is_foreign) {
        py_obj = pygi_struct_foreign_convert_from_g_argument (iface_cache->interface_info,
                                                              arg->v_pointer);
    } else if (g_type_is_a (type, G_TYPE_BOXED)) {
        py_obj = _pygi_boxed_new ( (PyTypeObject *)iface_cache->py_type, arg->v_pointer, 
                                  arg_cache->transfer == GI_TRANSFER_EVERYTHING);
    } else if (g_type_is_a (type, G_TYPE_POINTER)) {
        if (iface_cache->py_type == NULL ||
                !PyType_IsSubtype ( (PyTypeObject *)iface_cache->py_type, &PyGIStruct_Type)) {
            g_warn_if_fail(arg_cache->transfer == GI_TRANSFER_NOTHING);
            py_obj = pyg_pointer_new (type, arg->v_pointer);
        } else {
            py_obj = _pygi_struct_new ( (PyTypeObject *)iface_cache->py_type, arg->v_pointer, 
                                       arg_cache->transfer == GI_TRANSFER_EVERYTHING);
        }
    } else if (g_type_is_a (type, G_TYPE_VARIANT)) {
         g_variant_ref_sink (arg->v_pointer);
         py_obj = _pygi_struct_new ( (PyTypeObject *)iface_cache->py_type, arg->v_pointer, 
                                    FALSE);
    } else if (type == G_TYPE_NONE && iface_cache->is_foreign) {
        py_obj = pygi_struct_foreign_convert_from_g_argument (iface_cache->interface_info, arg->v_pointer);
    } else if (type == G_TYPE_NONE) {
        py_obj = _pygi_struct_new ( (PyTypeObject *) iface_cache->py_type, arg->v_pointer, 
                                   arg_cache->transfer == GI_TRANSFER_EVERYTHING);
    } else {
        PyErr_Format (PyExc_NotImplementedError,
                      "structure type '%s' is not supported yet",
                      g_type_name (type));
    }

    return py_obj;
}
Exemple #2
0
PyObject *_moo_gvalue_to_pyobject (const GValue *val)
{
    PyObject *obj;

    obj = pyg_value_as_pyobject (val, TRUE);

    if (!obj && !PyErr_Occurred ())
    {
        g_critical ("oops");
        PyErr_Format (PyExc_TypeError, "could not convert value of type %s",
                      g_type_name (G_VALUE_TYPE (val)));
    }

    return obj;
}
Exemple #3
0
static gboolean
marshal_emission_hook(GSignalInvocationHint *ihint,
		      guint n_param_values,
		      const GValue *param_values,
		      gpointer user_data)
{
    PyGILState_STATE state;
    gboolean retval = FALSE;
    PyObject *func, *args;
    PyObject *retobj;
    PyObject *params;
    guint i;

    state = pyg_gil_state_ensure();

    /* construct Python tuple for the parameter values */
    params = PyTuple_New(n_param_values);

    for (i = 0; i < n_param_values; i++) {
	PyObject *item = pyg_value_as_pyobject(&param_values[i], FALSE);
	
	/* error condition */
	if (!item) {
	    goto out;
	}
	PyTuple_SetItem(params, i, item);
    }

    args = (PyObject *)user_data;
    func = PyTuple_GetItem(args, 0);
    args = PySequence_Concat(params, PyTuple_GetItem(args, 1));
    Py_DECREF(params);

    /* params passed to function may have extra arguments */

    retobj = PyObject_CallObject(func, args);
    Py_DECREF(args);
    if (retobj == NULL) {
        PyErr_Print();
    }
    
    retval = (retobj == Py_True ? TRUE : FALSE);
    Py_XDECREF(retobj);
out:
    pyg_gil_state_release(state);
    return retval;
}
Exemple #4
0
static PyObject *
pygtk_tree_model_row_getitem(PyGtkTreeModelRow *self, Py_ssize_t column)
{
    gint n_columns;
    GValue value = { 0, };
    PyObject *ret;

    n_columns = gtk_tree_model_get_n_columns(self->model);
    if (column < 0 || column >= n_columns) {
	PyErr_SetString(PyExc_IndexError, "column index out of range");
        return NULL;
    }
    gtk_tree_model_get_value(self->model, &self->iter, column, &value);
    ret = pyg_value_as_pyobject(&value, TRUE);
    g_value_unset(&value);
    return ret;
}
Exemple #5
0
static PyObject *
_wrap_test_value(PyObject *self, PyObject *args)
{
  GValue tvalue = {0,}, *value = &tvalue;
  PyObject *obj;

  if (!PyArg_ParseTuple(args, "O", &obj))
    return NULL;

  g_value_init(value, G_TYPE_VALUE);
  if (pyg_value_from_pyobject(value, obj)) {
    PyErr_SetString(PyExc_TypeError, "Could not convert to GValue");
    return NULL;
  }
  
  return pyg_value_as_pyobject(value, FALSE);
}
Exemple #6
0
static PyObject *
_wrap_test_value_array(PyObject *self, PyObject *args)
{
  GValue tvalue = {0,}, *value = &tvalue;
  PyObject *obj;

  if (!PyArg_ParseTuple(args, "O", &obj))
    return NULL;

  G_GNUC_BEGIN_IGNORE_DEPRECATIONS
  g_value_init(value, G_TYPE_VALUE_ARRAY);
  G_GNUC_END_IGNORE_DEPRECATIONS

  if (pyg_value_from_pyobject(value, obj)) {
    PyErr_SetString(PyExc_TypeError, "Could not convert to GValueArray");
    return NULL;
  }
  
  return pyg_value_as_pyobject(value, FALSE);
}
Exemple #7
0
static PyObject *
gi_gst_list_from_value (const GValue * value)
{
  PyObject *list, *value_list_type, *value_list;
  gint i;

  list = PyList_New (gst_value_list_get_size (value));

  for (i = 0; i < gst_value_list_get_size (value); i++) {
    const GValue *v = gst_value_list_get_value (value, i);
    PyList_SET_ITEM (list, i, pyg_value_as_pyobject (v, TRUE));
  }

  value_list_type = gi_gst_get_type ("ValueList");
  value_list = PyObject_CallFunction (value_list_type, "N", list);

  Py_DECREF (value_list_type);

  return value_list;
}
Exemple #8
0
static void
pyg_signal_class_closure_marshal(GClosure *closure,
				 GValue *return_value,
				 guint n_param_values,
				 const GValue *param_values,
				 gpointer invocation_hint,
				 gpointer marshal_data)
{
    PyGILState_STATE state;
    GObject *object;
    PyObject *object_wrapper;
    GSignalInvocationHint *hint = (GSignalInvocationHint *)invocation_hint;
    gchar *method_name, *tmp;
    PyObject *method;
    PyObject *params, *ret;
    guint i, len;

    state = pyglib_gil_state_ensure();

    g_return_if_fail(invocation_hint != NULL);
    /* get the object passed as the first argument to the closure */
    object = g_value_get_object(&param_values[0]);
    g_return_if_fail(object != NULL && G_IS_OBJECT(object));

    /* get the wrapper for this object */
    object_wrapper = pygobject_new(object);
    g_return_if_fail(object_wrapper != NULL);

    /* construct method name for this class closure */
    method_name = g_strconcat("do_", g_signal_name(hint->signal_id), NULL);

    /* convert dashes to underscores.  For some reason, g_signal_name
     * seems to convert all the underscores in the signal name to
       dashes??? */
    for (tmp = method_name; *tmp != '\0'; tmp++)
	if (*tmp == '-') *tmp = '_';

    method = PyObject_GetAttrString(object_wrapper, method_name);
    g_free(method_name);

    if (!method) {
	PyErr_Clear();
	Py_DECREF(object_wrapper);
	pyglib_gil_state_release(state);
	return;
    }
    Py_DECREF(object_wrapper);

    /* construct Python tuple for the parameter values; don't copy boxed values
       initially because we'll check after the call to see if a copy is needed. */
    params = PyTuple_New(n_param_values - 1);
    for (i = 1; i < n_param_values; i++) {
	PyObject *item = pyg_value_as_pyobject(&param_values[i], FALSE);

	/* error condition */
	if (!item) {
	    Py_DECREF(params);
	    pyglib_gil_state_release(state);
	    return;
	}
	PyTuple_SetItem(params, i - 1, item);
    }

    ret = PyObject_CallObject(method, params);

    /* Copy boxed values if others ref them, this needs to be done regardless of
       exception status. */
    len = PyTuple_Size(params);
    for (i = 0; i < len; i++) {
	PyObject *item = PyTuple_GetItem(params, i);
	if (item != NULL && PyObject_TypeCheck(item, &PyGBoxed_Type)
	    && item->ob_refcnt != 1) {
	    PyGBoxed* boxed_item = (PyGBoxed*)item;
	    if (!boxed_item->free_on_dealloc) {
		gpointer boxed_ptr = pyg_boxed_get_ptr (boxed_item);
		pyg_boxed_set_ptr (boxed_item, g_boxed_copy (boxed_item->gtype, boxed_ptr));
		boxed_item->free_on_dealloc = TRUE;
	    }
	}
    }

    if (ret == NULL) {
	PyErr_Print();
	Py_DECREF(method);
	Py_DECREF(params);
	pyglib_gil_state_release(state);
	return;
    }
    Py_DECREF(method);
    Py_DECREF(params);
    if (G_IS_VALUE(return_value))
	pyg_value_from_pyobject(return_value, ret);
    Py_DECREF(ret);
    pyglib_gil_state_release(state);
}
Exemple #9
0
static void
pyg_closure_marshal(GClosure *closure,
		    GValue *return_value,
		    guint n_param_values,
		    const GValue *param_values,
		    gpointer invocation_hint,
		    gpointer marshal_data)
{
    PyGILState_STATE state;
    PyGClosure *pc = (PyGClosure *)closure;
    PyObject *params, *ret;
    guint i;

    state = pyglib_gil_state_ensure();

    /* construct Python tuple for the parameter values */
    params = PyTuple_New(n_param_values);
    for (i = 0; i < n_param_values; i++) {
	/* swap in a different initial data for connect_object() */
	if (i == 0 && G_CCLOSURE_SWAP_DATA(closure)) {
	    g_return_if_fail(pc->swap_data != NULL);
	    Py_INCREF(pc->swap_data);
	    PyTuple_SetItem(params, 0, pc->swap_data);
	} else {
	    PyObject *item = pyg_value_as_pyobject(&param_values[i], FALSE);

	    /* error condition */
	    if (!item) {
            if (!PyErr_Occurred ())
                PyErr_SetString (PyExc_TypeError,
                                 "can't convert parameter to desired type");

            if (pc->exception_handler)
                pc->exception_handler (return_value, n_param_values, param_values);
            else
                PyErr_Print();

            goto out;
	    }
	    PyTuple_SetItem(params, i, item);
	}
    }
    /* params passed to function may have extra arguments */
    if (pc->extra_args) {
	PyObject *tuple = params;
	params = PySequence_Concat(tuple, pc->extra_args);
	Py_DECREF(tuple);
    }
    ret = PyObject_CallObject(pc->callback, params);
    if (ret == NULL) {
	if (pc->exception_handler)
	    pc->exception_handler(return_value, n_param_values, param_values);
	else
	    PyErr_Print();
	goto out;
    }

    if (G_IS_VALUE(return_value) && pyg_value_from_pyobject(return_value, ret) != 0) {
	/* If we already have an exception set, use that, otherwise set a
	 * generic one */
	if (!PyErr_Occurred())
	    PyErr_SetString(PyExc_TypeError,
                            "can't convert return value to desired type");

	if (pc->exception_handler)
	    pc->exception_handler(return_value, n_param_values, param_values);
	else
	    PyErr_Print();
    }
    Py_DECREF(ret);

 out:
    Py_DECREF(params);
    pyglib_gil_state_release(state);
}
Exemple #10
0
static void
pygi_signal_closure_marshal(GClosure *closure,
                            GValue *return_value,
                            guint n_param_values,
                            const GValue *param_values,
                            gpointer invocation_hint,
                            gpointer marshal_data)
{
    PyGILState_STATE state;
    PyGClosure *pc = (PyGClosure *)closure;
    PyObject *params, *ret = NULL;
    guint i;
    GISignalInfo *signal_info;
    gint n_sig_info_args;
    gint sig_info_highest_arg;
    GSList *list_item = NULL;
    GSList *pass_by_ref_structs = NULL;

    state = PyGILState_Ensure();

    signal_info = ((PyGISignalClosure *)closure)->signal_info;
    n_sig_info_args = g_callable_info_get_n_args(signal_info);
    /* the first argument to a signal callback is instance,
       but instance is not counted in the introspection data */
    sig_info_highest_arg = n_sig_info_args + 1;
    g_assert_cmpint(sig_info_highest_arg, ==, n_param_values);

    /* construct Python tuple for the parameter values */
    params = PyTuple_New(n_param_values);
    for (i = 0; i < n_param_values; i++) {
        /* swap in a different initial data for connect_object() */
        if (i == 0 && G_CCLOSURE_SWAP_DATA(closure)) {
            g_return_if_fail(pc->swap_data != NULL);
            Py_INCREF(pc->swap_data);
            PyTuple_SetItem(params, 0, pc->swap_data);

        } else if (i == 0) {
            PyObject *item = pyg_value_as_pyobject(&param_values[i], FALSE);

            if (!item) {
                goto out;
            }
            PyTuple_SetItem(params, i, item);

        } else if (i < sig_info_highest_arg) {
            GIArgInfo arg_info;
            GITypeInfo type_info;
            GITypeTag type_tag;
            GIArgument arg = { 0, };
            PyObject *item = NULL;
            gboolean free_array = FALSE;
            gboolean pass_struct_by_ref = FALSE;

            g_callable_info_load_arg(signal_info, i - 1, &arg_info);
            g_arg_info_load_type(&arg_info, &type_info);

            arg = _pygi_argument_from_g_value(&param_values[i], &type_info);

            type_tag = g_type_info_get_tag (&type_info);
            if (type_tag == GI_TYPE_TAG_ARRAY) {
                /* Skip the self argument of param_values */
                arg.v_pointer = _pygi_argument_to_array (&arg,
                                                         _pygi_argument_array_length_marshal,
                                                         (void *)(param_values + 1),
                                                         signal_info,
                                                         &type_info,
                                                         &free_array);
            }

            /* Hack to ensure struct arguments are passed-by-reference allowing
             * callback implementors to modify the struct values. This is needed
             * for keeping backwards compatibility and should be removed in future
             * versions which support signal output arguments as return values.
             * See: https://bugzilla.gnome.org/show_bug.cgi?id=735486
             *
             * Note the logic here must match the logic path taken in _pygi_argument_to_object.
             */
            if (type_tag == GI_TYPE_TAG_INTERFACE) {
                GIBaseInfo *info = g_type_info_get_interface (&type_info);
                GIInfoType info_type = g_base_info_get_type (info);

                if (info_type == GI_INFO_TYPE_STRUCT ||
                        info_type == GI_INFO_TYPE_BOXED ||
                        info_type == GI_INFO_TYPE_UNION) {

                    GType gtype = g_registered_type_info_get_g_type ((GIRegisteredTypeInfo *) info);
                    gboolean is_foreign = (info_type == GI_INFO_TYPE_STRUCT) &&
                                          (g_struct_info_is_foreign ((GIStructInfo *) info));

                    if (!is_foreign && !g_type_is_a (gtype, G_TYPE_VALUE) &&
                            g_type_is_a (gtype, G_TYPE_BOXED)) {
                        pass_struct_by_ref = TRUE;
                    }
                }

                g_base_info_unref (info);
            }

            if (pass_struct_by_ref) {
                /* transfer everything will ensure the struct is not copied when wrapped. */
                item = _pygi_argument_to_object (&arg, &type_info, GI_TRANSFER_EVERYTHING);
                if (item && PyObject_IsInstance (item, (PyObject *) &PyGIBoxed_Type)) {
                    ((PyGBoxed *)item)->free_on_dealloc = FALSE;
                    pass_by_ref_structs = g_slist_prepend (pass_by_ref_structs, item);
                }

            } else {
                item = _pygi_argument_to_object (&arg, &type_info, GI_TRANSFER_NOTHING);
            }

            if (free_array) {
                g_array_free (arg.v_pointer, FALSE);
            }

            if (item == NULL) {
                PyErr_Print ();
                goto out;
            }
            PyTuple_SetItem(params, i, item);
        }
    }
    /* params passed to function may have extra arguments */
    if (pc->extra_args) {
        PyObject *tuple = params;
        params = PySequence_Concat(tuple, pc->extra_args);
        Py_DECREF(tuple);
    }
    ret = PyObject_CallObject(pc->callback, params);
    if (ret == NULL) {
        if (pc->exception_handler)
            pc->exception_handler(return_value, n_param_values, param_values);
        else
            PyErr_Print();
        goto out;
    }

    if (G_IS_VALUE(return_value) && pyg_value_from_pyobject(return_value, ret) != 0) {
        PyErr_SetString(PyExc_TypeError,
                        "can't convert return value to desired type");

        if (pc->exception_handler)
            pc->exception_handler(return_value, n_param_values, param_values);
        else
            PyErr_Print();
    }
    Py_DECREF(ret);

    /* Run through the list of structs which have been passed by reference and
     * check if they are being held longer than the duration of the callback
     * execution. This is determined if the ref count is greater than 1.
     * A single ref is held by the argument list and any more would mean the callback
     * stored a ref somewhere else. In this case we make an internal copy of
     * the boxed struct so Python can own the memory to it.
     */
    list_item = pass_by_ref_structs;
    while (list_item) {
        PyObject *item = list_item->data;
        if (item->ob_refcnt > 1) {
            _pygi_boxed_copy_in_place ((PyGIBoxed *)item);
        }
        list_item = g_slist_next (list_item);
    }

 out:
    g_slist_free (pass_by_ref_structs);
    Py_DECREF(params);
    PyGILState_Release(state);
}
Exemple #11
0
PyObject *
_pygi_marshal_to_py_interface_struct (GIArgument *arg,
                                      GIInterfaceInfo *interface_info,
                                      GType g_type,
                                      PyObject *py_type,
                                      GITransfer transfer,
                                      gboolean is_allocated,
                                      gboolean is_foreign)
{
    PyObject *py_obj = NULL;

    if (arg->v_pointer == NULL) {
        Py_RETURN_NONE;
    }

    if (g_type_is_a (g_type, G_TYPE_VALUE)) {
        py_obj = pyg_value_as_pyobject (arg->v_pointer, FALSE);
    } else if (is_foreign) {
        py_obj = pygi_struct_foreign_convert_from_g_argument (interface_info,
                                                              arg->v_pointer);
    } else if (g_type_is_a (g_type, G_TYPE_BOXED)) {
        if (py_type) {
            py_obj = _pygi_boxed_new ((PyTypeObject *) py_type,
                                      arg->v_pointer,
                                      transfer == GI_TRANSFER_EVERYTHING || is_allocated,
                                      is_allocated ?
                                              g_struct_info_get_size(interface_info) : 0);
        }
    } else if (g_type_is_a (g_type, G_TYPE_POINTER)) {
        if (py_type == NULL ||
                !PyType_IsSubtype ((PyTypeObject *) py_type, &PyGIStruct_Type)) {
            g_warn_if_fail (transfer == GI_TRANSFER_NOTHING);
            py_obj = pyg_pointer_new (g_type, arg->v_pointer);
        } else {
            py_obj = _pygi_struct_new ( (PyTypeObject *) py_type,
                                       arg->v_pointer,
                                       transfer == GI_TRANSFER_EVERYTHING);
        }
    } else if (g_type_is_a (g_type, G_TYPE_VARIANT)) {
        /* Note: sink the variant (add a ref) only if we are not transfered ownership.
         * GLib.Variant overrides __del__ which will then call "g_variant_unref" for
         * cleanup in either case. */
        if (py_type) {
            if (transfer == GI_TRANSFER_NOTHING) {
                g_variant_ref_sink (arg->v_pointer);
            }
            py_obj = _pygi_struct_new ((PyTypeObject *) py_type,
                                       arg->v_pointer,
                                       FALSE);
        }
    } else if (g_type == G_TYPE_NONE) {
        if (py_type) {
            py_obj = _pygi_struct_new ((PyTypeObject *) py_type,
                                       arg->v_pointer,
                                       transfer == GI_TRANSFER_EVERYTHING);
        }
    } else {
        PyErr_Format (PyExc_NotImplementedError,
                      "structure type '%s' is not supported yet",
                      g_type_name (g_type));
    }

    return py_obj;
}
Exemple #12
0
/**
 * pyg_value_as_pyobject:
 * @value: the GValue object.
 * @copy_boxed: true if boxed values should be copied.
 *
 * This function creates/returns a Python wrapper object that
 * represents the GValue passed as an argument.
 *
 * Returns: a PyObject representing the value.
 */
PyObject *
pyg_value_as_pyobject(const GValue *value, gboolean copy_boxed)
{
    gchar buf[128];

    switch (G_TYPE_FUNDAMENTAL(G_VALUE_TYPE(value))) {
    case G_TYPE_INTERFACE:
	if (g_type_is_a(G_VALUE_TYPE(value), G_TYPE_OBJECT))
	    return pygobject_new(g_value_get_object(value));
	else
	    break;
    case G_TYPE_CHAR: {
	gint8 val = g_value_get_char(value);
	return PYGLIB_PyUnicode_FromStringAndSize((char *)&val, 1);
    }
    case G_TYPE_UCHAR: {
	guint8 val = g_value_get_uchar(value);
	return PYGLIB_PyBytes_FromStringAndSize((char *)&val, 1);
    }
    case G_TYPE_BOOLEAN: {
	return PyBool_FromLong(g_value_get_boolean(value));
    }
    case G_TYPE_INT:
	return PYGLIB_PyLong_FromLong(g_value_get_int(value));
    case G_TYPE_UINT:
	{
	    /* in Python, the Int object is backed by a long.  If a
	       long can hold the whole value of an unsigned int, use
	       an Int.  Otherwise, use a Long object to avoid overflow.
	       This matches the ULongArg behavior in codegen/argtypes.h */
#if (G_MAXUINT <= G_MAXLONG)
	    return PYGLIB_PyLong_FromLong((glong) g_value_get_uint(value));
#else
	    return PyLong_FromUnsignedLong((gulong) g_value_get_uint(value));
#endif
	}
    case G_TYPE_LONG:
	return PYGLIB_PyLong_FromLong(g_value_get_long(value));
    case G_TYPE_ULONG:
	{
	    gulong val = g_value_get_ulong(value);

	    if (val <= G_MAXLONG)
		return PYGLIB_PyLong_FromLong((glong) val);
	    else
		return PyLong_FromUnsignedLong(val);
	}
    case G_TYPE_INT64:
	{
	    gint64 val = g_value_get_int64(value);

	    if (G_MINLONG <= val && val <= G_MAXLONG)
		return PYGLIB_PyLong_FromLong((glong) val);
	    else
		return PyLong_FromLongLong(val);
	}
    case G_TYPE_UINT64:
	{
	    guint64 val = g_value_get_uint64(value);

	    if (val <= G_MAXLONG)
		return PYGLIB_PyLong_FromLong((glong) val);
	    else
		return PyLong_FromUnsignedLongLong(val);
	}
    case G_TYPE_ENUM:
	return pyg_enum_from_gtype(G_VALUE_TYPE(value), g_value_get_enum(value));
    case G_TYPE_FLAGS:
	return pyg_flags_from_gtype(G_VALUE_TYPE(value), g_value_get_flags(value));
    case G_TYPE_FLOAT:
	return PyFloat_FromDouble(g_value_get_float(value));
    case G_TYPE_DOUBLE:
	return PyFloat_FromDouble(g_value_get_double(value));
    case G_TYPE_STRING:
	{
	    const gchar *str = g_value_get_string(value);

	    if (str)
		return PYGLIB_PyUnicode_FromString(str);
	    Py_INCREF(Py_None);
	    return Py_None;
	}
    case G_TYPE_POINTER:
	return pyg_pointer_new(G_VALUE_TYPE(value),
			       g_value_get_pointer(value));
    case G_TYPE_BOXED: {
	PyGTypeMarshal *bm;

	if (G_VALUE_HOLDS(value, PY_TYPE_OBJECT)) {
	    PyObject *ret = (PyObject *)g_value_dup_boxed(value);
	    if (ret == NULL) {
		Py_INCREF(Py_None);
		return Py_None;
	    }
	    return ret;
        } else if (G_VALUE_HOLDS(value, G_TYPE_VALUE)) {
            GValue *n_value = g_value_get_boxed (value);
            return pyg_value_as_pyobject(n_value, copy_boxed);
        } else if (G_VALUE_HOLDS(value, G_TYPE_VALUE_ARRAY)) {
	    GValueArray *array = (GValueArray *) g_value_get_boxed(value);
	    PyObject *ret = PyList_New(array->n_values);
	    int i;
	    for (i = 0; i < array->n_values; ++i)
		PyList_SET_ITEM(ret, i, pyg_value_as_pyobject
                                (array->values + i, copy_boxed));
	    return ret;
	} else if (G_VALUE_HOLDS(value, G_TYPE_GSTRING)) {
	    GString *string = (GString *) g_value_get_boxed(value);
	    PyObject *ret = PYGLIB_PyUnicode_FromStringAndSize(string->str, string->len);
	    return ret;
	}
	bm = pyg_type_lookup(G_VALUE_TYPE(value));
	if (bm) {
	    return bm->fromvalue(value);
	} else {
	    if (copy_boxed)
		return pyg_boxed_new(G_VALUE_TYPE(value),
				     g_value_get_boxed(value), TRUE, TRUE);
	    else
		return pyg_boxed_new(G_VALUE_TYPE(value),
				     g_value_get_boxed(value),FALSE,FALSE);
	}
    }
    case G_TYPE_PARAM:
	return pyg_param_spec_new(g_value_get_param(value));
    case G_TYPE_OBJECT:
	return pygobject_new(g_value_get_object(value));
    default:
	{
	    PyGTypeMarshal *bm;
	    if ((bm = pyg_type_lookup(G_VALUE_TYPE(value))))
		return bm->fromvalue(value);
	    break;
	}
    }
    g_snprintf(buf, sizeof(buf), "unknown type %s",
	       g_type_name(G_VALUE_TYPE(value)));
    PyErr_SetString(PyExc_TypeError, buf);
    return NULL;
}