PyObject * _pygi_marshal_to_py_interface_flags (PyGIInvokeState *state, PyGICallableCache *callable_cache, PyGIArgCache *arg_cache, GIArgument *arg) { PyObject *py_obj = NULL; PyGIInterfaceCache *iface_cache = (PyGIInterfaceCache *)arg_cache; if (iface_cache->g_type == G_TYPE_NONE) { /* An enum with a GType of None is an enum without GType */ PyObject *py_type = _pygi_type_import_by_gi_info (iface_cache->interface_info); PyObject *py_args = NULL; if (!py_type) return NULL; py_args = PyTuple_New (1); if (PyTuple_SetItem (py_args, 0, PyLong_FromLong (arg->v_long)) != 0) { Py_DECREF (py_args); Py_DECREF (py_type); return NULL; } py_obj = PyObject_CallFunction (py_type, "l", arg->v_long); Py_DECREF (py_args); Py_DECREF (py_type); } else { py_obj = pyg_flags_from_gtype (iface_cache->g_type, arg->v_long); } return py_obj; }
static PyObject * _pygi_marshal_to_py_interface_flags (PyGIInvokeState *state, PyGICallableCache *callable_cache, PyGIArgCache *arg_cache, GIArgument *arg, gpointer *cleanup_data) { PyObject *py_obj = NULL; PyGIInterfaceCache *iface_cache = (PyGIInterfaceCache *)arg_cache; GIBaseInfo *interface; long c_long; interface = g_type_info_get_interface (arg_cache->type_info); g_assert (g_base_info_get_type (interface) == GI_INFO_TYPE_FLAGS); if (!gi_argument_to_c_long(arg, &c_long, g_enum_info_get_storage_type ((GIEnumInfo *)interface))) { g_base_info_unref (interface); return NULL; } g_base_info_unref (interface); if (iface_cache->g_type == G_TYPE_NONE) { /* An enum with a GType of None is an enum without GType */ PyObject *py_type = pygi_type_import_by_gi_info (iface_cache->interface_info); PyObject *py_args = NULL; if (!py_type) return NULL; py_args = PyTuple_New (1); if (PyTuple_SetItem (py_args, 0, PyLong_FromLong (c_long)) != 0) { Py_DECREF (py_args); Py_DECREF (py_type); return NULL; } py_obj = PyObject_CallFunction (py_type, "l", c_long); Py_DECREF (py_args); Py_DECREF (py_type); } else { py_obj = pyg_flags_from_gtype (iface_cache->g_type, (guint)c_long); } return py_obj; }
/** * 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; }
/** * _pygi_argument_to_object: * @arg: The argument to convert to an object. * @type_info: Type info for @arg * @transfer: * * If the argument is of type array, it must be encoded in a GArray, by calling * _pygi_argument_to_array(). This logic can not be folded into this method * as determining array lengths may require access to method call arguments. * * Returns: A PyObject representing @arg */ PyObject * _pygi_argument_to_object (GIArgument *arg, GITypeInfo *type_info, GITransfer transfer) { GITypeTag type_tag; PyObject *object = NULL; type_tag = g_type_info_get_tag (type_info); object = _pygi_marshal_to_py_basic_type (arg, type_tag, transfer); if (object) return object; switch (type_tag) { case GI_TYPE_TAG_VOID: { if (g_type_info_is_pointer (type_info)) { g_warn_if_fail (transfer == GI_TRANSFER_NOTHING); object = PyLong_FromVoidPtr (arg->v_pointer); } break; } case GI_TYPE_TAG_ARRAY: { /* Arrays are assumed to be packed in a GArray */ GArray *array; GITypeInfo *item_type_info; GITypeTag item_type_tag; GITransfer item_transfer; gsize i, item_size; if (arg->v_pointer == NULL) return PyList_New (0); item_type_info = g_type_info_get_param_type (type_info, 0); g_assert (item_type_info != NULL); item_type_tag = g_type_info_get_tag (item_type_info); item_transfer = transfer == GI_TRANSFER_CONTAINER ? GI_TRANSFER_NOTHING : transfer; array = arg->v_pointer; item_size = g_array_get_element_size (array); if (G_UNLIKELY (item_size > sizeof(GIArgument))) { g_critical ("Stack overflow protection. " "Can't copy array element into GIArgument."); return PyList_New (0); } if (item_type_tag == GI_TYPE_TAG_UINT8) { /* Return as a byte array */ object = PYGLIB_PyBytes_FromStringAndSize (array->data, array->len); } else { object = PyList_New (array->len); if (object == NULL) { g_critical ("Failure to allocate array for %u items", array->len); g_base_info_unref ( (GIBaseInfo *) item_type_info); break; } for (i = 0; i < array->len; i++) { GIArgument item = { 0 }; PyObject *py_item; memcpy (&item, array->data + i * item_size, item_size); py_item = _pygi_argument_to_object (&item, item_type_info, item_transfer); if (py_item == NULL) { Py_CLEAR (object); _PyGI_ERROR_PREFIX ("Item %zu: ", i); break; } PyList_SET_ITEM (object, i, py_item); } } g_base_info_unref ( (GIBaseInfo *) item_type_info); break; } case GI_TYPE_TAG_INTERFACE: { GIBaseInfo *info; GIInfoType info_type; info = g_type_info_get_interface (type_info); info_type = g_base_info_get_type (info); switch (info_type) { case GI_INFO_TYPE_CALLBACK: { g_assert_not_reached(); } case GI_INFO_TYPE_BOXED: case GI_INFO_TYPE_STRUCT: case GI_INFO_TYPE_UNION: { PyObject *py_type; GType g_type = 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)); /* Special case variant and none to force loading from py module. */ if (g_type == G_TYPE_VARIANT || g_type == G_TYPE_NONE) { py_type = _pygi_type_import_by_gi_info (info); } else { py_type = _pygi_type_get_from_g_type (g_type); } object = pygi_arg_struct_to_py_marshal (arg, info, /*interface_info*/ g_type, py_type, transfer, FALSE, /*is_allocated*/ is_foreign); Py_XDECREF (py_type); break; } case GI_INFO_TYPE_ENUM: case GI_INFO_TYPE_FLAGS: { GType type; type = g_registered_type_info_get_g_type ( (GIRegisteredTypeInfo *) info); if (type == G_TYPE_NONE) { /* An enum with a GType of None is an enum without GType */ PyObject *py_type = _pygi_type_import_by_gi_info (info); PyObject *py_args = NULL; if (!py_type) return NULL; py_args = PyTuple_New (1); if (PyTuple_SetItem (py_args, 0, PyLong_FromLong (arg->v_int)) != 0) { Py_DECREF (py_args); Py_DECREF (py_type); return NULL; } object = PyObject_CallFunction (py_type, "i", arg->v_int); Py_DECREF (py_args); Py_DECREF (py_type); } else if (info_type == GI_INFO_TYPE_ENUM) { object = pyg_enum_from_gtype (type, arg->v_int); } else { object = pyg_flags_from_gtype (type, arg->v_uint); } break; } case GI_INFO_TYPE_INTERFACE: case GI_INFO_TYPE_OBJECT: object = pygi_arg_gobject_to_py_called_from_c (arg, transfer); break; default: g_assert_not_reached(); } g_base_info_unref (info); break; } case GI_TYPE_TAG_GLIST: case GI_TYPE_TAG_GSLIST: { GSList *list; gsize length; GITypeInfo *item_type_info; GITransfer item_transfer; gsize i; list = arg->v_pointer; length = g_slist_length (list); object = PyList_New (length); if (object == NULL) { break; } item_type_info = g_type_info_get_param_type (type_info, 0); g_assert (item_type_info != NULL); item_transfer = transfer == GI_TRANSFER_CONTAINER ? GI_TRANSFER_NOTHING : transfer; for (i = 0; list != NULL; list = g_slist_next (list), i++) { GIArgument item; PyObject *py_item; item.v_pointer = list->data; py_item = _pygi_argument_to_object (&item, item_type_info, item_transfer); if (py_item == NULL) { Py_CLEAR (object); _PyGI_ERROR_PREFIX ("Item %zu: ", i); break; } PyList_SET_ITEM (object, i, py_item); } g_base_info_unref ( (GIBaseInfo *) item_type_info); break; } case GI_TYPE_TAG_GHASH: { GITypeInfo *key_type_info; GITypeInfo *value_type_info; GITransfer item_transfer; GHashTableIter hash_table_iter; GIArgument key; GIArgument value; if (arg->v_pointer == NULL) { object = Py_None; Py_INCREF (object); break; } object = PyDict_New(); if (object == NULL) { break; } key_type_info = g_type_info_get_param_type (type_info, 0); g_assert (key_type_info != NULL); g_assert (g_type_info_get_tag (key_type_info) != GI_TYPE_TAG_VOID); value_type_info = g_type_info_get_param_type (type_info, 1); g_assert (value_type_info != NULL); g_assert (g_type_info_get_tag (value_type_info) != GI_TYPE_TAG_VOID); item_transfer = transfer == GI_TRANSFER_CONTAINER ? GI_TRANSFER_NOTHING : transfer; g_hash_table_iter_init (&hash_table_iter, (GHashTable *) arg->v_pointer); while (g_hash_table_iter_next (&hash_table_iter, &key.v_pointer, &value.v_pointer)) { PyObject *py_key; PyObject *py_value; int retval; py_key = _pygi_argument_to_object (&key, key_type_info, item_transfer); if (py_key == NULL) { break; } _pygi_hash_pointer_to_arg (&value, g_type_info_get_tag (value_type_info)); py_value = _pygi_argument_to_object (&value, value_type_info, item_transfer); if (py_value == NULL) { Py_DECREF (py_key); break; } retval = PyDict_SetItem (object, py_key, py_value); Py_DECREF (py_key); Py_DECREF (py_value); if (retval < 0) { Py_CLEAR (object); break; } } g_base_info_unref ( (GIBaseInfo *) key_type_info); g_base_info_unref ( (GIBaseInfo *) value_type_info); break; } case GI_TYPE_TAG_ERROR: { GError *error = (GError *) arg->v_pointer; if (error != NULL && transfer == GI_TRANSFER_NOTHING) { /* If we have not been transferred the ownership we must copy * the error, because pygi_error_check() is going to free it. */ error = g_error_copy (error); } if (pygi_error_check (&error)) { PyObject *err_type; PyObject *err_value; PyObject *err_trace; PyErr_Fetch (&err_type, &err_value, &err_trace); Py_XDECREF (err_type); Py_XDECREF (err_trace); object = err_value; } else { object = Py_None; Py_INCREF (object); break; } break; } default: { g_assert_not_reached(); } } return object; }