static gboolean
_pygi_marshal_from_py_void (PyGIInvokeState *state,
PyGICallableCache *callable_cache,
PyGIArgCache *arg_cache,
PyObject *py_arg,
GIArgument *arg,
gpointer *cleanup_data)
{
g_warn_if_fail (arg_cache->transfer == GI_TRANSFER_NOTHING);
if (py_arg == Py_None) {
arg->v_pointer = NULL;
} else if (PYGLIB_CPointer_Check(py_arg)) {
arg->v_pointer = PYGLIB_CPointer_GetPointer (py_arg, NULL);
} else if (PYGLIB_PyLong_Check(py_arg) || PyLong_Check(py_arg)) {
arg->v_pointer = PyLong_AsVoidPtr (py_arg);
} else {
PyErr_SetString(PyExc_ValueError,
"Pointer arguments are restricted to integers, capsules, and None. "
"See: https://bugzilla.gnome.org/show_bug.cgi?id=683599");
return FALSE;
}
*cleanup_data = arg->v_pointer;
return TRUE;
}
void
pyglib_init(void)
{
PyObject *glib, *cobject;
glib = PyImport_ImportModule("gi._glib");
if (!glib) {
if (PyErr_Occurred()) {
PyObject *type, *value, *traceback;
PyObject *py_orig_exc;
PyErr_Fetch(&type, &value, &traceback);
py_orig_exc = PyObject_Repr(value);
Py_XDECREF(type);
Py_XDECREF(value);
Py_XDECREF(traceback);
PyErr_Format(PyExc_ImportError,
"could not import gi._glib (error was: %s)",
PYGLIB_PyUnicode_AsString(py_orig_exc));
Py_DECREF(py_orig_exc);
} else {
PyErr_SetString(PyExc_ImportError,
"could not import gi._glib (no error given)");
}
return;
}
cobject = PyObject_GetAttrString(glib, "_PyGLib_API");
if (cobject && PYGLIB_CPointer_Check(cobject))
_PyGLib_API = (struct _PyGLib_Functions *) PYGLIB_CPointer_GetPointer(cobject, "gi._glib._PyGLib_API");
else {
PyErr_SetString(PyExc_ImportError,
"could not import gi._glib (could not find _PyGLib_API object)");
Py_DECREF(glib);
return;
}
}
/**
* pyg_value_from_pyobject:
* @value: the GValue object to store the converted value in.
* @obj: the Python object to convert.
*
* This function converts a Python object and stores the result in a
* GValue. The GValue must be initialised in advance with
* g_value_init(). If the Python object can't be converted to the
* type of the GValue, then an error is returned.
*
* Returns: 0 on success, -1 on error.
*/
int
pyg_value_from_pyobject(GValue *value, PyObject *obj)
{
PyObject *tmp;
switch (G_TYPE_FUNDAMENTAL(G_VALUE_TYPE(value))) {
case G_TYPE_INTERFACE:
/* we only handle interface types that have a GObject prereq */
if (g_type_is_a(G_VALUE_TYPE(value), G_TYPE_OBJECT)) {
if (obj == Py_None)
g_value_set_object(value, NULL);
else {
if (!PyObject_TypeCheck(obj, &PyGObject_Type)) {
return -1;
}
if (!G_TYPE_CHECK_INSTANCE_TYPE(pygobject_get(obj),
G_VALUE_TYPE(value))) {
return -1;
}
g_value_set_object(value, pygobject_get(obj));
}
} else {
return -1;
}
break;
case G_TYPE_CHAR:
#if PY_VERSION_HEX < 0x03000000
if (PyString_Check(obj)) {
g_value_set_char(value, PyString_AsString(obj)[0]);
} else
#endif
if (PyUnicode_Check(obj)) {
tmp = PyUnicode_AsUTF8String(obj);
g_value_set_char(value, PYGLIB_PyBytes_AsString(tmp)[0]);
Py_DECREF(tmp);
} else {
PyErr_Clear();
return -1;
}
break;
case G_TYPE_UCHAR:
if (PYGLIB_PyLong_Check(obj)) {
glong val;
val = PYGLIB_PyLong_AsLong(obj);
if (val >= 0 && val <= 255)
g_value_set_uchar(value, (guchar)PYGLIB_PyLong_AsLong (obj));
else
return -1;
#if PY_VERSION_HEX < 0x03000000
} else if (PyString_Check(obj)) {
g_value_set_uchar(value, PyString_AsString(obj)[0]);
#endif
} else if (PyUnicode_Check(obj)) {
tmp = PyUnicode_AsUTF8String(obj);
g_value_set_uchar(value, PYGLIB_PyBytes_AsString(tmp)[0]);
Py_DECREF(tmp);
} else {
PyErr_Clear();
return -1;
}
break;
case G_TYPE_BOOLEAN:
g_value_set_boolean(value, PyObject_IsTrue(obj));
break;
case G_TYPE_INT:
g_value_set_int(value, PYGLIB_PyLong_AsLong(obj));
break;
case G_TYPE_UINT:
{
if (PYGLIB_PyLong_Check(obj)) {
glong val;
val = PYGLIB_PyLong_AsLong(obj);
if (val >= 0 && val <= G_MAXUINT)
g_value_set_uint(value, (guint)val);
else
return -1;
} else {
g_value_set_uint(value, PyLong_AsUnsignedLong(obj));
}
}
break;
case G_TYPE_LONG:
g_value_set_long(value, PYGLIB_PyLong_AsLong(obj));
break;
case G_TYPE_ULONG:
#if PY_VERSION_HEX < 0x03000000
if (PyInt_Check(obj)) {
long val;
val = PYGLIB_PyLong_AsLong(obj);
if (val < 0) {
PyErr_SetString(PyExc_OverflowError, "negative value not allowed for uint64 property");
return -1;
}
g_value_set_ulong(value, (gulong)val);
} else
#endif
if (PyLong_Check(obj))
g_value_set_ulong(value, PyLong_AsUnsignedLong(obj));
else
return -1;
break;
case G_TYPE_INT64:
g_value_set_int64(value, PyLong_AsLongLong(obj));
break;
case G_TYPE_UINT64:
#if PY_VERSION_HEX < 0x03000000
if (PyInt_Check(obj)) {
long v = PyInt_AsLong(obj);
if (v < 0) {
PyErr_SetString(PyExc_OverflowError, "negative value not allowed for uint64 property");
return -1;
}
g_value_set_uint64(value, v);
} else
#endif
if (PyLong_Check(obj))
g_value_set_uint64(value, PyLong_AsUnsignedLongLong(obj));
else
return -1;
break;
case G_TYPE_ENUM:
{
gint val = 0;
if (pyg_enum_get_value(G_VALUE_TYPE(value), obj, &val) < 0) {
PyErr_Clear();
return -1;
}
g_value_set_enum(value, val);
}
break;
case G_TYPE_FLAGS:
{
gint val = 0;
if (pyg_flags_get_value(G_VALUE_TYPE(value), obj, &val) < 0) {
PyErr_Clear();
return -1;
}
g_value_set_flags(value, val);
}
break;
case G_TYPE_FLOAT:
g_value_set_float(value, PyFloat_AsDouble(obj));
break;
case G_TYPE_DOUBLE:
g_value_set_double(value, PyFloat_AsDouble(obj));
break;
case G_TYPE_STRING:
if (obj == Py_None) {
g_value_set_string(value, NULL);
#if PY_VERSION_HEX < 0x03000000
} else if (PyString_Check(obj)) {
g_value_set_string(value, PyString_AsString(obj));
#endif
} else if (PyUnicode_Check(obj)) {
tmp = PyUnicode_AsUTF8String(obj);
g_value_set_string(value, PYGLIB_PyBytes_AsString(tmp));
Py_DECREF(tmp);
} else {
PyErr_Clear();
return -1;
}
break;
case G_TYPE_POINTER:
if (obj == Py_None)
g_value_set_pointer(value, NULL);
else if (PyObject_TypeCheck(obj, &PyGPointer_Type) &&
G_VALUE_HOLDS(value, ((PyGPointer *)obj)->gtype))
g_value_set_pointer(value, pyg_pointer_get(obj, gpointer));
else if (PYGLIB_CPointer_Check(obj))
g_value_set_pointer(value, PYGLIB_CPointer_GetPointer(obj, NULL));
else
return -1;
break;
case G_TYPE_BOXED: {
PyGTypeMarshal *bm;
if (obj == Py_None)
g_value_set_boxed(value, NULL);
else if (G_VALUE_HOLDS(value, PY_TYPE_OBJECT))
g_value_set_boxed(value, obj);
else if (PyObject_TypeCheck(obj, &PyGBoxed_Type) &&
G_VALUE_HOLDS(value, ((PyGBoxed *)obj)->gtype))
g_value_set_boxed(value, pyg_boxed_get(obj, gpointer));
else if (G_VALUE_HOLDS(value, G_TYPE_VALUE)) {
GType type;
GValue *n_value;
type = pyg_type_from_object((PyObject*)Py_TYPE(obj));
if (G_UNLIKELY (! type)) {
PyErr_Clear();
return -1;
}
n_value = g_new0 (GValue, 1);
g_value_init (n_value, type);
g_value_take_boxed (value, n_value);
return pyg_value_from_pyobject (n_value, obj);
}
else if (PySequence_Check(obj) &&
G_VALUE_HOLDS(value, G_TYPE_VALUE_ARRAY))
return pyg_value_array_from_pyobject(value, obj, NULL);
else if (PYGLIB_PyUnicode_Check(obj) &&
G_VALUE_HOLDS(value, G_TYPE_GSTRING)) {
GString *string;
char *buffer;
Py_ssize_t len;
if (PYGLIB_PyUnicode_AsStringAndSize(obj, &buffer, &len))
return -1;
string = g_string_new_len(buffer, len);
g_value_set_boxed(value, string);
g_string_free (string, TRUE);
break;
}
else if ((bm = pyg_type_lookup(G_VALUE_TYPE(value))) != NULL)
return bm->tovalue(value, obj);
else if (PYGLIB_CPointer_Check(obj))
g_value_set_boxed(value, PYGLIB_CPointer_GetPointer(obj, NULL));
else
return -1;
break;
}
case G_TYPE_PARAM:
if (PyGParamSpec_Check(obj))
g_value_set_param(value, PYGLIB_CPointer_GetPointer(obj, NULL));
else
return -1;
break;
case G_TYPE_OBJECT:
if (obj == Py_None) {
g_value_set_object(value, NULL);
} else if (PyObject_TypeCheck(obj, &PyGObject_Type) &&
G_TYPE_CHECK_INSTANCE_TYPE(pygobject_get(obj),
G_VALUE_TYPE(value))) {
g_value_set_object(value, pygobject_get(obj));
} else
return -1;
break;
default:
{
PyGTypeMarshal *bm;
if ((bm = pyg_type_lookup(G_VALUE_TYPE(value))) != NULL)
return bm->tovalue(value, obj);
break;
}
}
if (PyErr_Occurred()) {
g_value_unset(value);
PyErr_Clear();
return -1;
}
return 0;
}
void
pyglib_init_internal(PyObject *api)
{
_PyGLib_API = (struct _PyGLib_Functions *) PYGLIB_CPointer_GetPointer(api, "gi._glib._PyGLib_API");
}
