/* -*- Mode: C; c-basic-offset: 4 -*- * pygtk- Python bindings for the GTK toolkit. * Copyright (C) 1998-2003 James Henstridge * * gobjectmodule.c: wrapper for the gobject library. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ #ifdef HAVE_CONFIG_H # include #endif #include "pygobject-private.h" static PyObject *gerror_exc = NULL; static const gchar *pyginterface_type_id = "PyGInterface::type"; GQuark pyginterface_type_key = 0; static void pyg_flags_add_constants(PyObject *module, GType flags_type, const gchar *strip_prefix); /* -------------- GDK threading hooks ---------------------------- */ /** * pyg_set_thread_block_funcs: * @block_threads_func: a function to block Python threads. * @unblock_threads_func: a function to unblock Python threads. * * an interface to allow pygtk to add hooks to handle threading * similar to the old PyGTK 0.6.x releases. May not work quite right * anymore. */ static void pyg_set_thread_block_funcs (PyGThreadBlockFunc block_threads_func, PyGThreadBlockFunc unblock_threads_func) { g_return_if_fail(pygobject_api_functions.block_threads == NULL && pygobject_api_functions.unblock_threads == NULL); pygobject_api_functions.block_threads = block_threads_func; pygobject_api_functions.unblock_threads = unblock_threads_func; } static void object_free(PyObject *op) { PyObject_FREE(op); } /** * pyg_destroy_notify: * @user_data: a PyObject pointer. * * A function that can be used as a GDestroyNotify callback that will * call Py_DECREF on the data. */ void pyg_destroy_notify(gpointer user_data) { PyObject *obj = (PyObject *)user_data; pyg_block_threads(); Py_DECREF(obj); pyg_unblock_threads(); } /* -------------- GParamSpec objects ---------------------------- */ static int pyg_param_spec_compare(PyGParamSpec *self, PyGParamSpec *v) { if (self->pspec == v->pspec) return 0; if (self->pspec > v->pspec) return -1; return 1; } static long pyg_param_spec_hash(PyGParamSpec *self) { return (long)self->pspec; } static PyObject * pyg_param_spec_repr(PyGParamSpec *self) { char buf[80]; g_snprintf(buf, sizeof(buf), "<%s '%s'>", G_PARAM_SPEC_TYPE_NAME(self->pspec), g_param_spec_get_name(self->pspec)); return PyString_FromString(buf); } static void pyg_param_spec_dealloc(PyGParamSpec *self) { g_param_spec_unref(self->pspec); PyObject_DEL(self); } static PyObject * pyg_param_spec_getattr(PyGParamSpec *self, const gchar *attr) { if (!strcmp(attr, "__members__")) { return Py_BuildValue("[ssssssss]", "__doc__", "__gtype__", "blurb", "flags", "name", "nick", "owner_type", "value_type"); } else if (!strcmp(attr, "__gtype__")) { return pyg_type_wrapper_new(G_PARAM_SPEC_TYPE(self->pspec)); } else if (!strcmp(attr, "name")) { const gchar *name = g_param_spec_get_name(self->pspec); if (name) return PyString_FromString(name); Py_INCREF(Py_None); return Py_None; } else if (!strcmp(attr, "nick")) { const gchar *nick = g_param_spec_get_nick(self->pspec); if (nick) return PyString_FromString(nick); Py_INCREF(Py_None); return Py_None; } else if (!strcmp(attr, "blurb") || !strcmp(attr, "__doc__")) { const gchar *blurb = g_param_spec_get_blurb(self->pspec); if (blurb) return PyString_FromString(blurb); Py_INCREF(Py_None); return Py_None; } else if (!strcmp(attr, "flags")) { return PyInt_FromLong(self->pspec->flags); } else if (!strcmp(attr, "value_type")) { return pyg_type_wrapper_new(self->pspec->value_type); } else if (!strcmp(attr, "owner_type")) { return pyg_type_wrapper_new(self->pspec->owner_type); } PyErr_SetString(PyExc_AttributeError, attr); return NULL; } PyTypeObject PyGParamSpec_Type = { PyObject_HEAD_INIT(NULL) 0, "gobject.GParamSpec", sizeof(PyGParamSpec), 0, (destructor)pyg_param_spec_dealloc, (printfunc)0, (getattrfunc)pyg_param_spec_getattr, (setattrfunc)0, (cmpfunc)pyg_param_spec_compare, (reprfunc)pyg_param_spec_repr, 0, 0, 0, (hashfunc)pyg_param_spec_hash, (ternaryfunc)0, (reprfunc)0, 0L,0L,0L,0L, NULL }; /** * pyg_param_spec_new: * @pspec: a GParamSpec. * * Creates a wrapper for a GParamSpec. * * Returns: the GParamSpec wrapper. */ PyObject * pyg_param_spec_new(GParamSpec *pspec) { PyGParamSpec *self; self = (PyGParamSpec *)PyObject_NEW(PyGParamSpec, &PyGParamSpec_Type); if (self == NULL) return NULL; self->pspec = g_param_spec_ref(pspec); return (PyObject *)self; } /* ---------------- GBoxed functions -------------------- */ GType PY_TYPE_OBJECT = 0; static gpointer pyobject_copy(gpointer boxed) { PyObject *object = boxed; Py_INCREF(object); return object; } static void pyobject_free(gpointer boxed) { PyObject *object = boxed; pyg_block_threads(); Py_DECREF(object); pyg_unblock_threads(); } /* ---------------- GInterface functions -------------------- */ static int pyg_interface_init(PyObject *self, PyObject *args, PyObject *kwargs) { gchar buf[512]; if (!PyArg_ParseTuple(args, ":GInterface.__init__")) return -1; g_snprintf(buf, sizeof(buf), "%s can not be constructed", self->ob_type->tp_name); PyErr_SetString(PyExc_NotImplementedError, buf); return -1; } PyTypeObject PyGInterface_Type = { PyObject_HEAD_INIT(NULL) 0, /* ob_size */ "gobject.GInterface", /* tp_name */ sizeof(PyObject), /* tp_basicsize */ 0, /* tp_itemsize */ /* methods */ (destructor)0, /* tp_dealloc */ (printfunc)0, /* tp_print */ (getattrfunc)0, /* tp_getattr */ (setattrfunc)0, /* tp_setattr */ (cmpfunc)0, /* tp_compare */ (reprfunc)0, /* tp_repr */ 0, /* tp_as_number */ 0, /* tp_as_sequence */ 0, /* tp_as_mapping */ (hashfunc)0, /* tp_hash */ (ternaryfunc)0, /* tp_call */ (reprfunc)0, /* tp_str */ (getattrofunc)0, /* tp_getattro */ (setattrofunc)0, /* tp_setattro */ 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ NULL, /* Documentation string */ (traverseproc)0, /* tp_traverse */ (inquiry)0, /* tp_clear */ (richcmpfunc)0, /* tp_richcompare */ 0, /* tp_weaklistoffset */ (getiterfunc)0, /* tp_iter */ (iternextfunc)0, /* tp_iternext */ 0, /* tp_methods */ 0, /* tp_members */ 0, /* tp_getset */ (PyTypeObject *)0, /* tp_base */ (PyObject *)0, /* tp_dict */ 0, /* tp_descr_get */ 0, /* tp_descr_set */ 0, /* tp_dictoffset */ (initproc)pyg_interface_init, /* tp_init */ (allocfunc)0, /* tp_alloc */ (newfunc)0, /* tp_new */ (freefunc)object_free, /* tp_free */ (inquiry)0, /* tp_is_gc */ (PyObject *)0, /* tp_bases */ }; /** * pyg_register_interface: * @dict: a module dictionary. * @class_name: the class name for the wrapper class. * @gtype: the GType of the interface. * @type: the wrapper class for the interface. * * Registers a Python class as the wrapper for a GInterface. As a * convenience it will also place a reference to the wrapper class in * the provided module dictionary. */ static void pyg_register_interface(PyObject *dict, const gchar *class_name, GType gtype, PyTypeObject *type) { PyObject *o; type->ob_type = &PyType_Type; type->tp_base = &PyGInterface_Type; if (PyType_Ready(type) < 0) { g_warning("could not ready `%s'", type->tp_name); return; } if (gtype) { o = pyg_type_wrapper_new(gtype); PyDict_SetItemString(type->tp_dict, "__gtype__", o); Py_DECREF(o); } g_type_set_qdata(gtype, pyginterface_type_key, type); PyDict_SetItemString(dict, (char *)class_name, (PyObject *)type); } /* -------------- GMainContext objects ---------------------------- */ static int pyg_main_context_new(PyGMainContext *self) { self->context = g_main_context_new(); return 0; } static int pyg_main_context_compare(PyGMainContext *self, PyGMainContext *v) { if (self->context == v->context) return 0; if (self->context > v->context) return -1; return 1; } static PyObject * pyg_main_context_default (PyObject *unused) { PyGMainContext *self; self = (PyGMainContext *)PyObject_NEW(PyGMainContext, &PyGMainContext_Type); if (self == NULL) return NULL; self->context = g_main_context_default(); return (PyObject *)self; } static PyObject * _wrap_g_main_context_iteration (PyGMainContext *self, PyObject *args) { PyObject *py_ret; gboolean may_block = TRUE; if (!PyArg_ParseTuple(args, "|b:GMainContext.iteration", &may_block)) return NULL; py_ret = g_main_context_iteration(self->context, may_block) ? Py_True : Py_False; Py_INCREF(py_ret); return py_ret; } static PyObject * _wrap_g_main_context_pending (PyGMainContext *self) { PyObject *py_ret; py_ret = g_main_context_pending(self->context) ? Py_True : Py_False; Py_INCREF(py_ret); return py_ret; } static PyMethodDef _PyGMainContext_methods[] = { { "iteration", (PyCFunction)_wrap_g_main_context_iteration, METH_VARARGS }, { "pending", (PyCFunction)_wrap_g_main_context_pending, METH_NOARGS }, { NULL, NULL, 0 } }; PyTypeObject PyGMainContext_Type = { PyObject_HEAD_INIT(NULL) 0, "gobject.MainContext", sizeof(PyGMainContext), 0, /* methods */ (destructor)0, (printfunc)0, (getattrfunc)0, (setattrfunc)0, (cmpfunc)pyg_main_context_compare, (reprfunc)0, 0, 0, 0, (hashfunc)0, (ternaryfunc)0, (reprfunc)0, (getattrofunc)0, (setattrofunc)0, 0, Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, NULL, (traverseproc)0, (inquiry)0, (richcmpfunc)0, 0, (getiterfunc)0, (iternextfunc)0, _PyGMainContext_methods, 0, 0, NULL, NULL, (descrgetfunc)0, (descrsetfunc)0, 0, (initproc)pyg_main_context_new, }; /* -------------- GMainLoop objects ---------------------------- */ static int pyg_main_loop_new(PyGMainLoop *self, PyObject *args, PyObject *kwargs) { static char *kwlist[] = { "context", "is_running", NULL }; PyObject *py_context = Py_None; int is_running; GMainContext *context; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|Ob:GMainLoop.__init__", kwlist, &py_context, &is_running)) return -1; if (!PyObject_TypeCheck(py_context, &PyGMainContext_Type) && py_context != Py_None) { PyErr_SetString(PyExc_TypeError, "context must be a gobject.GMainContext or None"); return -1; } if (py_context != Py_None) { context = ((PyGMainContext*)py_context)->context; } else { context = NULL; } self->loop = g_main_loop_new(context, is_running); return 0; } static int pyg_main_loop_compare(PyGMainLoop *self, PyGMainLoop *v) { if (self->loop == v->loop) return 0; if (self->loop > v->loop) return -1; return 1; } static PyObject * _wrap_g_main_loop_get_context (PyGMainLoop *loop) { PyGMainContext *self; self = (PyGMainContext *)PyObject_NEW(PyGMainContext, &PyGMainContext_Type); self->context = g_main_loop_get_context(loop->loop); if (self->context == NULL) return NULL; return (PyObject *)self; } static PyObject * _wrap_g_main_loop_is_running (PyGMainLoop *self) { PyObject *py_ret; py_ret = g_main_loop_is_running(self->loop) ? Py_True : Py_False; Py_INCREF(py_ret); return py_ret; } static PyObject * _wrap_g_main_loop_quit (PyGMainLoop *self) { g_main_loop_quit(self->loop); Py_INCREF(Py_None); return Py_None; } static PyObject * _wrap_g_main_loop_run (PyGMainLoop *self) { g_main_loop_run(self->loop); Py_INCREF(Py_None); return Py_None; } static PyMethodDef _PyGMainLoop_methods[] = { { "get_context", (PyCFunction)_wrap_g_main_loop_get_context, METH_NOARGS }, { "is_running", (PyCFunction)_wrap_g_main_loop_is_running, METH_NOARGS }, { "quit", (PyCFunction)_wrap_g_main_loop_quit, METH_NOARGS }, { "run", (PyCFunction)_wrap_g_main_loop_run, METH_NOARGS }, { NULL, NULL, 0 } }; PyTypeObject PyGMainLoop_Type = { PyObject_HEAD_INIT(NULL) 0, "gobject.MainLoop", sizeof(PyGMainLoop), 0, /* methods */ (destructor)0, (printfunc)0, (getattrfunc)0, (setattrfunc)0, (cmpfunc)pyg_main_loop_compare, (reprfunc)0, 0, 0, 0, (hashfunc)0, (ternaryfunc)0, (reprfunc)0, (getattrofunc)0, (setattrofunc)0, 0, Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, NULL, (traverseproc)0, (inquiry)0, (richcmpfunc)0, 0, (getiterfunc)0, (iternextfunc)0, _PyGMainLoop_methods, 0, 0, NULL, NULL, (descrgetfunc)0, (descrsetfunc)0, 0, (initproc)pyg_main_loop_new, }; /* ---------------- gobject module functions -------------------- */ static PyObject * pyg_type_name (PyObject *self, PyObject *args) { PyObject *gtype; GType type; const gchar *name; if (!PyArg_ParseTuple(args, "O:gobject.type_name", >ype)) return NULL; if ((type = pyg_type_from_object(gtype)) == 0) return NULL; name = g_type_name(type); if (name) return PyString_FromString(name); PyErr_SetString(PyExc_RuntimeError, "unknown typecode"); return NULL; } static PyObject * pyg_type_from_name (PyObject *self, PyObject *args) { const gchar *name; GType type; if (!PyArg_ParseTuple(args, "s:gobject.type_from_name", &name)) return NULL; type = g_type_from_name(name); if (type != 0) return pyg_type_wrapper_new(type); PyErr_SetString(PyExc_RuntimeError, "unknown type name"); return NULL; } static PyObject * pyg_type_parent (PyObject *self, PyObject *args) { PyObject *gtype; GType type, parent; if (!PyArg_ParseTuple(args, "O:gobject.type_parent", >ype)) return NULL; if ((type = pyg_type_from_object(gtype)) == 0) return NULL; parent = g_type_parent(type); if (parent != 0) return pyg_type_wrapper_new(parent); PyErr_SetString(PyExc_RuntimeError, "no parent for type"); return NULL; } static PyObject * pyg_type_is_a (PyObject *self, PyObject *args) { PyObject *gtype, *gparent; GType type, parent; if (!PyArg_ParseTuple(args, "OO:gobject.type_is_a", >ype, &gparent)) return NULL; if ((type = pyg_type_from_object(gtype)) == 0) return NULL; if ((parent = pyg_type_from_object(gparent)) == 0) return NULL; return PyInt_FromLong(g_type_is_a(type, parent)); } static PyObject * pyg_type_children (PyObject *self, PyObject *args) { PyObject *gtype, *list; GType type, *children; guint n_children, i; if (!PyArg_ParseTuple(args, "O:gobject.type_children", >ype)) return NULL; if ((type = pyg_type_from_object(gtype)) == 0) return NULL; children = g_type_children(type, &n_children); if (children) { list = PyList_New(0); for (i = 0; i < n_children; i++) { PyObject *o; PyList_Append(list, o=pyg_type_wrapper_new(children[i])); Py_DECREF(o); } g_free(children); return list; } PyErr_SetString(PyExc_RuntimeError, "invalid type, or no children"); return NULL; } static PyObject * pyg_type_interfaces (PyObject *self, PyObject *args) { PyObject *gtype, *list; GType type, *interfaces; guint n_interfaces, i; if (!PyArg_ParseTuple(args, "O:gobject.type_interfaces", >ype)) return NULL; if ((type = pyg_type_from_object(gtype)) == 0) return NULL; interfaces = g_type_interfaces(type, &n_interfaces); if (interfaces) { list = PyList_New(0); for (i = 0; i < n_interfaces; i++) { PyObject *o; PyList_Append(list, o=pyg_type_wrapper_new(interfaces[i])); Py_DECREF(o); } g_free(interfaces); return list; } PyErr_SetString(PyExc_RuntimeError, "invalid type, or no interfaces"); return NULL; } static void pyg_object_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { PyObject *object_wrapper, *retval; PyObject *py_pspec, *py_value; pyg_block_threads(); object_wrapper = pygobject_new(object); if (object_wrapper == NULL) { pyg_unblock_threads(); g_return_if_fail(object_wrapper != NULL); } py_pspec = pyg_param_spec_new(pspec); py_value = pyg_value_as_pyobject (value, TRUE); retval = PyObject_CallMethod(object_wrapper, "do_set_property", "OO", py_pspec, py_value); if (retval) { Py_DECREF(retval); } else { PyErr_Print(); } Py_DECREF(object_wrapper); Py_DECREF(py_pspec); Py_DECREF(py_value); pyg_unblock_threads(); } static void pyg_object_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { PyObject *object_wrapper, *retval; PyObject *py_pspec; pyg_block_threads(); object_wrapper = pygobject_new(object); if (object_wrapper == NULL) { pyg_unblock_threads(); g_return_if_fail(object_wrapper != NULL); } py_pspec = pyg_param_spec_new(pspec); retval = PyObject_CallMethod(object_wrapper, "do_get_property", "O", py_pspec); if (retval == NULL || pyg_value_from_pyobject(value, retval) < 0) { PyErr_Print(); } Py_DECREF(object_wrapper); Py_DECREF(py_pspec); Py_XDECREF(retval); pyg_unblock_threads(); } static void pyg_object_class_init(GObjectClass *class, PyObject *py_class) { class->set_property = pyg_object_set_property; class->get_property = pyg_object_get_property; } static gboolean create_signal (GType instance_type, const gchar *signal_name, PyObject *tuple) { GSignalFlags signal_flags; PyObject *py_return_type, *py_param_types; GType return_type; guint n_params, i; GType *param_types; guint signal_id; if (!PyArg_ParseTuple(tuple, "iOO", &signal_flags, &py_return_type, &py_param_types)) { gchar buf[128]; PyErr_Clear(); g_snprintf(buf, sizeof(buf), "value for __gsignals__['%s'] not in correct format", signal_name); PyErr_SetString(PyExc_TypeError, buf); return FALSE; } return_type = pyg_type_from_object(py_return_type); if (!return_type) return FALSE; if (!PySequence_Check(py_param_types)) { gchar buf[128]; g_snprintf(buf, sizeof(buf), "third element of __gsignals__['%s'] tuple must be a sequence", signal_name); PyErr_SetString(PyExc_TypeError, buf); return FALSE; } n_params = PySequence_Length(py_param_types); param_types = g_new(GType, n_params); for (i = 0; i < n_params; i++) { PyObject *item = PySequence_GetItem(py_param_types, i); param_types[i] = pyg_type_from_object(item); if (param_types[i] == 0) { Py_DECREF(item); g_free(param_types); return FALSE; } Py_DECREF(item); } signal_id = g_signal_newv(signal_name, instance_type, signal_flags, pyg_signal_class_closure_get(), (GSignalAccumulator)0, NULL, (GSignalCMarshaller)0, return_type, n_params, param_types); g_free(param_types); if (signal_id == 0) { gchar buf[128]; g_snprintf(buf, sizeof(buf), "could not create signal for %s", signal_name); PyErr_SetString(PyExc_RuntimeError, buf); return FALSE; } return TRUE; } static gboolean override_signal(GType instance_type, const gchar *signal_name) { guint signal_id; signal_id = g_signal_lookup(signal_name, instance_type); if (!signal_id) { gchar buf[128]; g_snprintf(buf, sizeof(buf), "could not look up %s", signal_name); PyErr_SetString(PyExc_TypeError, buf); return FALSE; } g_signal_override_class_closure(signal_id, instance_type, pyg_signal_class_closure_get()); return TRUE; } static gboolean add_signals (GType instance_type, PyObject *signals) { gboolean ret = TRUE; GObjectClass *oclass; int pos = 0; PyObject *key, *value; oclass = g_type_class_ref(instance_type); while (PyDict_Next(signals, &pos, &key, &value)) { const gchar *signal_name; if (!PyString_Check(key)) { PyErr_SetString(PyExc_TypeError, "__gsignals__ keys must be strings"); ret = FALSE; break; } signal_name = PyString_AsString (key); if (value == Py_None || (PyString_Check(value) && !strcmp(PyString_AsString(value), "override"))) { ret = override_signal(instance_type, signal_name); } else { ret = create_signal(instance_type, signal_name, value); } if (!ret) break; } g_type_class_unref(oclass); return ret; } static gboolean create_property (GObjectClass *oclass, const gchar *prop_name, GType prop_type, const gchar *nick, const gchar *blurb, PyObject *args, GParamFlags flags) { GParamSpec *pspec = NULL; switch (G_TYPE_FUNDAMENTAL(prop_type)) { case G_TYPE_CHAR: { gchar minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "ccc", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_char (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_UCHAR: { gchar minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "ccc", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_uchar (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_BOOLEAN: { gboolean default_value; if (!PyArg_ParseTuple(args, "i", &default_value)) return FALSE; pspec = g_param_spec_boolean (prop_name, nick, blurb, default_value, flags); } break; case G_TYPE_INT: { gint minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "iii", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_int (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_UINT: { guint minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "iii", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_uint (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_LONG: { glong minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "lll", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_long (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_ULONG: { gulong minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "lll", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_ulong (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_INT64: { gint64 minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "LLL", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_int64 (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_UINT64: { guint64 minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "LLL", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_uint64 (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_ENUM: { gint default_value; if (!PyArg_ParseTuple(args, "i", &default_value)) return FALSE; pspec = g_param_spec_enum (prop_name, nick, blurb, prop_type, default_value, flags); } break; case G_TYPE_FLAGS: { guint default_value; if (!PyArg_ParseTuple(args, "i", &default_value)) return FALSE; pspec = g_param_spec_flags (prop_name, nick, blurb, prop_type, default_value, flags); } break; case G_TYPE_FLOAT: { gfloat minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "fff", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_float (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_DOUBLE: { gdouble minimum, maximum, default_value; if (!PyArg_ParseTuple(args, "ddd", &minimum, &maximum, &default_value)) return FALSE; pspec = g_param_spec_double (prop_name, nick, blurb, minimum, maximum, default_value, flags); } break; case G_TYPE_STRING: { const gchar *default_value; if (!PyArg_ParseTuple(args, "z", &default_value)) return FALSE; pspec = g_param_spec_string (prop_name, nick, blurb, default_value, flags); } break; case G_TYPE_PARAM: if (!PyArg_ParseTuple(args, "")) return FALSE; pspec = g_param_spec_param (prop_name, nick, blurb, prop_type, flags); break; case G_TYPE_BOXED: if (!PyArg_ParseTuple(args, "")) return FALSE; pspec = g_param_spec_boxed (prop_name, nick, blurb, prop_type, flags); break; case G_TYPE_POINTER: if (!PyArg_ParseTuple(args, "")) return FALSE; pspec = g_param_spec_pointer (prop_name, nick, blurb, flags); break; case G_TYPE_OBJECT: if (!PyArg_ParseTuple(args, "")) return FALSE; pspec = g_param_spec_object (prop_name, nick, blurb, prop_type, flags); break; default: /* unhandled pspec type ... */ break; } if (!pspec) { char buf[128]; g_snprintf(buf, sizeof(buf), "could not create param spec for type %s", g_type_name(prop_type)); PyErr_SetString(PyExc_TypeError, buf); return FALSE; } g_object_class_install_property(oclass, 1, pspec); return TRUE; } static gboolean add_properties (GType instance_type, PyObject *properties) { gboolean ret = TRUE; GObjectClass *oclass; int pos = 0; PyObject *key, *value; oclass = g_type_class_ref(instance_type); while (PyDict_Next(properties, &pos, &key, &value)) { const gchar *prop_name; GType prop_type; const gchar *nick, *blurb; GParamFlags flags; gint val_length; PyObject *slice, *item, *py_prop_type; /* values are of format (type,nick,blurb, type_specific_args, flags) */ if (!PyString_Check(key)) { PyErr_SetString(PyExc_TypeError, "__gproperties__ keys must be strings"); ret = FALSE; break; } prop_name = PyString_AsString (key); if (!PyTuple_Check(value)) { PyErr_SetString(PyExc_TypeError, "__gproperties__ values must be tuples"); ret = FALSE; break; } val_length = PyTuple_Size(value); if (val_length < 4) { PyErr_SetString(PyExc_TypeError, "__gproperties__ values must be at least 4 elements long"); ret = FALSE; break; } slice = PySequence_GetSlice(value, 0, 3); if (!slice) { ret = FALSE; break; } if (!PyArg_ParseTuple(slice, "Ozz", &py_prop_type, &nick, &blurb)) { Py_DECREF(slice); ret = FALSE; break; } Py_DECREF(slice); prop_type = pyg_type_from_object(py_prop_type); if (!prop_type) { ret = FALSE; break; } item = PyTuple_GetItem(value, val_length-1); if (!PyInt_Check(item)) { PyErr_SetString(PyExc_TypeError, "last element in __gproperties__ value tuple must be an int"); ret = FALSE; break; } flags = PyInt_AsLong(item); /* slice is the extra items in the tuple */ slice = PySequence_GetSlice(value, 3, val_length-1); ret = create_property(oclass, prop_name, prop_type, nick, blurb, slice, flags); Py_DECREF(slice); if (!ret) break; } g_type_class_unref(oclass); return ret; } static PyObject * pyg_type_register(PyObject *self, PyObject *args) { PyObject *gtype, *module, *gsignals, *gproperties; PyTypeObject *class; GType parent_type, instance_type; gchar *type_name = NULL; gint i, name_serial; GTypeQuery query; GTypeInfo type_info = { 0, /* class_size */ (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) pyg_object_class_init, (GClassFinalizeFunc) NULL, NULL, /* class_data */ 0, /* instance_size */ 0, /* n_preallocs */ (GInstanceInitFunc) NULL }; if (!PyArg_ParseTuple(args, "O:gobject.type_register", &class)) return NULL; if (!PyType_IsSubtype(class, &PyGObject_Type)) { PyErr_SetString(PyExc_TypeError,"argument must be a GObject subclass"); return NULL; } /* find the GType of the parent */ parent_type = pyg_type_from_object((PyObject *)class); if (!parent_type) { return NULL; } /* make name for new GType */ name_serial = 1; while (name_serial < 1000) /* give up after 1000 tries, just in case.. */ { char name_serial_str[16]; snprintf(name_serial_str, 16, "-v%i", name_serial); module = PyObject_GetAttrString((PyObject *)class, "__module__"); if (module && PyString_Check(module)) { type_name = g_strconcat(PyString_AsString(module), ".", class->tp_name, name_serial > 1? name_serial_str : NULL, NULL); } else { if (module) Py_DECREF(module); else PyErr_Clear(); type_name = g_strdup(class->tp_name); } /* convert '.' in type name to '+', which isn't banned (grumble) */ for (i = 0; type_name[i] != '\0'; i++) if (type_name[i] == '.') type_name[i] = '+'; if (g_type_from_name(type_name) == 0) break; /* we now have a unique name */ ++name_serial; } /* set class_data that will be passed to the class_init function. */ type_info.class_data = class; /* fill in missing values of GTypeInfo struct */ g_type_query(parent_type, &query); type_info.class_size = query.class_size; type_info.instance_size = query.instance_size; /* create new typecode */ instance_type = g_type_register_static(parent_type, type_name, &type_info, 0); g_free(type_name); if (instance_type == 0) { PyErr_SetString(PyExc_RuntimeError, "could not create new GType"); return NULL; } /* store pointer to the class with the GType */ Py_INCREF(class); g_type_set_qdata(instance_type, g_quark_from_string("PyGObject::class"), class); /* set new value of __gtype__ on class */ gtype = pyg_type_wrapper_new(instance_type); PyDict_SetItemString(class->tp_dict, "__gtype__", gtype); Py_DECREF(gtype); /* if no __doc__, set it to the auto doc descriptor */ if (PyDict_GetItemString(class->tp_dict, "__doc__") == NULL) { PyDict_SetItemString(class->tp_dict, "__doc__", pyg_object_descr_doc_get()); } /* we look this up in the instance dictionary, so we don't * accidentally get a parent type's __gsignals__ attribute. */ gsignals = PyDict_GetItemString(class->tp_dict, "__gsignals__"); if (gsignals) { if (!PyDict_Check(gsignals)) { PyErr_SetString(PyExc_TypeError, "__gsignals__ attribute not a dict!"); Py_DECREF(gsignals); return NULL; } if (!add_signals(instance_type, gsignals)) { Py_DECREF(gsignals); return NULL; } PyDict_DelItemString(class->tp_dict, "__gsignals__"); /* Borrowed reference. Py_DECREF(gsignals); */ } else { PyErr_Clear(); } /* we look this up in the instance dictionary, so we don't * accidentally get a parent type's __gsignals__ attribute. */ gproperties = PyDict_GetItemString(class->tp_dict, "__gproperties__"); if (gproperties) { if (!PyDict_Check(gproperties)) { PyErr_SetString(PyExc_TypeError, "__gproperties__ attribute not a dict!"); Py_DECREF(gproperties); return NULL; } if (!add_properties(instance_type, gproperties)) { Py_DECREF(gproperties); return NULL; } PyDict_DelItemString(class->tp_dict, "__gproperties__"); /* Borrowed reference. Py_DECREF(gproperties); */ } else { PyErr_Clear(); } Py_INCREF(Py_None); return Py_None; } static PyObject * pyg_signal_new(PyObject *self, PyObject *args) { gchar *signal_name; PyObject *py_type; GSignalFlags signal_flags; GType return_type; PyObject *py_return_type, *py_param_types; GType instance_type = 0; guint n_params, i; GType *param_types; guint signal_id; if (!PyArg_ParseTuple(args, "sOiOO:gobject.signal_new", &signal_name, &py_type, &signal_flags, &py_return_type, &py_param_types)) return NULL; instance_type = pyg_type_from_object(py_type); if (!instance_type) return NULL; return_type = pyg_type_from_object(py_return_type); if (!return_type) return NULL; if (!PySequence_Check(py_param_types)) { PyErr_SetString(PyExc_TypeError, "argument 5 must be a sequence of GType codes"); return NULL; } n_params = PySequence_Length(py_param_types); param_types = g_new(GType, n_params); for (i = 0; i < n_params; i++) { PyObject *item = PySequence_GetItem(py_param_types, i); param_types[i] = pyg_type_from_object(item); if (param_types[i] == 0) { PyErr_Clear(); Py_DECREF(item); PyErr_SetString(PyExc_TypeError, "argument 5 must be a sequence of GType codes"); return NULL; } Py_DECREF(item); } signal_id = g_signal_newv(signal_name, instance_type, signal_flags, pyg_signal_class_closure_get(), (GSignalAccumulator)0, NULL, (GSignalCMarshaller)0, return_type, n_params, param_types); g_free(param_types); if (signal_id != 0) return PyInt_FromLong(signal_id); PyErr_SetString(PyExc_RuntimeError, "could not create signal"); return NULL; } static PyObject * pyg_signal_list_names (PyObject *self, PyObject *args) { PyObject *py_itype, *list; GObjectClass *class; GType itype; guint n; guint *ids; guint i; if (!PyArg_ParseTuple(args, "O:gobject.signal_list_names", &py_itype)) return NULL; if ((itype = pyg_type_from_object(py_itype)) == 0) return NULL; if (!G_TYPE_IS_INSTANTIATABLE(itype) && !G_TYPE_IS_INTERFACE(itype)) { PyErr_SetString(PyExc_TypeError, "type must be instantiable or an interface"); return NULL; } class = g_type_class_ref(itype); if (!class) { PyErr_SetString(PyExc_RuntimeError, "could not get a reference to type class"); return NULL; } ids = g_signal_list_ids(itype, &n); list = PyTuple_New((gint)n); if (list == NULL) { g_free(ids); g_type_class_unref(class); return NULL; } for (i = 0; i < n; i++) PyTuple_SetItem(list, i, PyString_FromString(g_signal_name(ids[i]))); g_free(ids); g_type_class_unref(class); return list; } static PyObject * pyg_object_class_list_properties (PyObject *self, PyObject *args) { GParamSpec **specs; PyObject *py_itype, *list; GType itype; GObjectClass *class; guint nprops; guint i; if (!PyArg_ParseTuple(args, "O:gobject.list_properties", &py_itype)) return NULL; if ((itype = pyg_type_from_object(py_itype)) == 0) return NULL; if (!g_type_is_a(itype, G_TYPE_OBJECT)) { PyErr_SetString(PyExc_TypeError, "type must be derived from GObject"); return NULL; } class = g_type_class_ref(itype); if (!class) { PyErr_SetString(PyExc_RuntimeError, "could not get a reference to type class"); return NULL; } specs = g_object_class_list_properties(class, &nprops); list = PyTuple_New(nprops); if (list == NULL) { g_free(specs); g_type_class_unref(class); return NULL; } for (i = 0; i < nprops; i++) { PyTuple_SetItem(list, i, pyg_param_spec_new(specs[i])); } g_free(specs); g_type_class_unref(class); return list; } static PyObject * pyg_object_new (PyGObject *self, PyObject *args, PyObject *kwargs) { PyObject *pytype; GType type; GObject *obj = NULL; GObjectClass *class; int n_params = 0, i; GParameter *params = NULL; if (!PyArg_ParseTuple (args, "O:gobject.new", &pytype)) { return NULL; } if ((type = pyg_type_from_object (pytype)) == 0) return NULL; if (G_TYPE_IS_ABSTRACT(type)) { PyErr_Format(PyExc_TypeError, "cannot create instance of abstract " "(non-instantiable) type `%s'", g_type_name(type)); return NULL; } if ((class = g_type_class_ref (type)) == NULL) { PyErr_SetString(PyExc_TypeError, "could not get a reference to type class"); return NULL; } if (kwargs) { int pos = 0; PyObject *key; PyObject *value; params = g_new0(GParameter, PyDict_Size(kwargs)); while (PyDict_Next (kwargs, &pos, &key, &value)) { GParamSpec *pspec; const gchar *key_str = PyString_AsString (key); pspec = g_object_class_find_property (class, key_str); if (!pspec) { PyErr_Format(PyExc_TypeError, "gobject `%s' doesn't support property `%s'", g_type_name(type), key_str); goto cleanup; } g_value_init(¶ms[n_params].value, G_PARAM_SPEC_VALUE_TYPE(pspec)); if (pyg_value_from_pyobject(¶ms[n_params].value, value)) { PyErr_Format(PyExc_TypeError, "could not convert value for property `%s'", key_str); goto cleanup; } params[n_params].name = g_strdup(key_str); n_params++; } } obj = g_object_newv(type, n_params, params); if (!obj) PyErr_SetString (PyExc_RuntimeError, "could not create object"); cleanup: for (i = 0; i < n_params; i++) { g_free((gchar *) params[i].name); g_value_unset(¶ms[i].value); } g_free(params); g_type_class_unref(class); if (obj) return pygobject_new ((GObject *)obj); return NULL; } static gint get_handler_priority(gint *priority, PyObject *kwargs) { gint len, pos; PyObject *key, *val; /* no keyword args? leave as default */ if (kwargs == NULL) return 0; len = PyDict_Size(kwargs); if (len == 0) return 0; if (len != 1) { PyErr_SetString(PyExc_TypeError, "expecting at most one keyword argument"); return -1; } pos = 0; PyDict_Next(kwargs, &pos, &key, &val); if (!PyString_Check(key)) { PyErr_SetString(PyExc_TypeError, "keyword argument name is not a string"); return -1; } if (strcmp(PyString_AsString(key), "priority") != 0) { PyErr_SetString(PyExc_TypeError, "only 'priority' keyword argument accepted"); return -1; } *priority = PyInt_AsLong(val); if (PyErr_Occurred()) { PyErr_Clear(); PyErr_SetString(PyExc_ValueError, "could not get priority value"); return -1; } return 0; } static gboolean handler_marshal(gpointer user_data) { PyObject *tuple, *ret; gboolean res; g_return_val_if_fail(user_data != NULL, FALSE); pyg_block_threads(); tuple = (PyObject *)user_data; ret = PyObject_CallObject(PyTuple_GetItem(tuple, 0), PyTuple_GetItem(tuple, 1)); if (!ret) { PyErr_Print(); res = FALSE; } else { res = PyObject_IsTrue(ret); Py_DECREF(ret); } pyg_unblock_threads(); return res; } static PyObject * pyg_idle_add(PyObject *self, PyObject *args, PyObject *kwargs) { PyObject *first, *callback, *cbargs = NULL, *data; gint len, priority = G_PRIORITY_DEFAULT_IDLE; guint handler_id; len = PyTuple_Size(args); if (len < 1) { PyErr_SetString(PyExc_TypeError, "idle_add requires at least 1 argument"); return NULL; } first = PySequence_GetSlice(args, 0, 1); if (!PyArg_ParseTuple(first, "O:idle_add", &callback)) { Py_DECREF(first); return NULL; } Py_DECREF(first); if (!PyCallable_Check(callback)) { PyErr_SetString(PyExc_TypeError, "first argument not callable"); return NULL; } if (get_handler_priority(&priority, kwargs) < 0) return NULL; cbargs = PySequence_GetSlice(args, 1, len); if (cbargs == NULL) return NULL; data = Py_BuildValue("(ON)", callback, cbargs); if (data == NULL) return NULL; handler_id = g_idle_add_full(priority, handler_marshal, data, (GDestroyNotify)pyg_destroy_notify); return PyInt_FromLong(handler_id); } static PyObject * pyg_timeout_add(PyObject *self, PyObject *args, PyObject *kwargs) { PyObject *first, *callback, *cbargs = NULL, *data; gint len, priority = G_PRIORITY_DEFAULT, interval; guint handler_id; len = PyTuple_Size(args); if (len < 2) { PyErr_SetString(PyExc_TypeError, "timeout_add requires at least 2 args"); return NULL; } first = PySequence_GetSlice(args, 0, 2); if (!PyArg_ParseTuple(first, "iO:timeout_add", &interval, &callback)) { Py_DECREF(first); return NULL; } Py_DECREF(first); if (!PyCallable_Check(callback)) { PyErr_SetString(PyExc_TypeError, "second argument not callable"); return NULL; } if (get_handler_priority(&priority, kwargs) < 0) return NULL; cbargs = PySequence_GetSlice(args, 2, len); if (cbargs == NULL) return NULL; data = Py_BuildValue("(ON)", callback, cbargs); if (data == NULL) return NULL; handler_id = g_timeout_add_full(priority, interval, handler_marshal, data, (GDestroyNotify)pyg_destroy_notify); return PyInt_FromLong(handler_id); } static gboolean iowatch_marshal(GIOChannel *source, GIOCondition condition, gpointer user_data) { PyObject *tuple, *func, *firstargs, *args, *ret; gboolean res; g_return_val_if_fail(user_data != NULL, FALSE); pyg_block_threads(); tuple = (PyObject *)user_data; func = PyTuple_GetItem(tuple, 0); /* arg vector is (fd, condtion, *args) */ firstargs = Py_BuildValue("(Oi)", PyTuple_GetItem(tuple, 1), condition); args = PySequence_Concat(firstargs, PyTuple_GetItem(tuple, 2)); Py_DECREF(firstargs); ret = PyObject_CallObject(func, args); Py_DECREF(args); if (!ret) { PyErr_Print(); res = FALSE; } else { res = PyObject_IsTrue(ret); Py_DECREF(ret); } pyg_unblock_threads(); return res; } static PyObject * pyg_io_add_watch(PyObject *self, PyObject *args, PyObject *kwargs) { PyObject *first, *pyfd, *callback, *cbargs = NULL, *data; gint fd, priority = G_PRIORITY_DEFAULT, condition, len; GIOChannel *iochannel; guint handler_id; len = PyTuple_Size(args); if (len < 3) { PyErr_SetString(PyExc_TypeError, "io_add_watch requires at least 3 args"); return NULL; } first = PySequence_GetSlice(args, 0, 3); if (!PyArg_ParseTuple(first, "OiO:io_add_watch", &pyfd, &condition, &callback)) { Py_DECREF(first); return NULL; } Py_DECREF(first); fd = PyObject_AsFileDescriptor(pyfd); if (fd < 0) { return NULL; } if (!PyCallable_Check(callback)) { PyErr_SetString(PyExc_TypeError, "second argument not callable"); return NULL; } if (get_handler_priority(&priority, kwargs) < 0) return NULL; cbargs = PySequence_GetSlice(args, 3, len); if (cbargs == NULL) return NULL; data = Py_BuildValue("(OON)", callback, pyfd, cbargs); if (data == NULL) return NULL; iochannel = g_io_channel_unix_new(fd); handler_id = g_io_add_watch_full(iochannel, priority, condition, iowatch_marshal, data, (GDestroyNotify)pyg_destroy_notify); g_io_channel_unref(iochannel); return PyInt_FromLong(handler_id); } static PyObject * pyg_source_remove(PyObject *self, PyObject *args) { guint tag; PyObject *ret; if (!PyArg_ParseTuple(args, "i:source_remove", &tag)) return NULL; ret = g_source_remove(tag) ? Py_True : Py_False; Py_INCREF(ret); return ret; } static PyMethodDef pygobject_functions[] = { { "type_name", pyg_type_name, METH_VARARGS }, { "type_from_name", pyg_type_from_name, METH_VARARGS }, { "type_parent", pyg_type_parent, METH_VARARGS }, { "type_is_a", pyg_type_is_a, METH_VARARGS }, { "type_children", pyg_type_children, METH_VARARGS }, { "type_interfaces", pyg_type_interfaces, METH_VARARGS }, { "type_register", pyg_type_register, METH_VARARGS }, { "signal_new", pyg_signal_new, METH_VARARGS }, { "signal_list_names", pyg_signal_list_names, METH_VARARGS }, { "list_properties", pyg_object_class_list_properties, METH_VARARGS }, { "new", (PyCFunction)pyg_object_new, METH_VARARGS|METH_KEYWORDS }, { "idle_add", (PyCFunction)pyg_idle_add, METH_VARARGS|METH_KEYWORDS }, { "timeout_add", (PyCFunction)pyg_timeout_add, METH_VARARGS|METH_KEYWORDS }, { "io_add_watch", (PyCFunction)pyg_io_add_watch, METH_VARARGS|METH_KEYWORDS }, { "source_remove", pyg_source_remove, METH_VARARGS }, { "main_context_default", (PyCFunction)pyg_main_context_default, METH_NOARGS }, { NULL, NULL, 0 } }; /* ----------------- Constant extraction ------------------------ */ /** * pyg_constant_strip_prefix: * @name: the constant name. * @strip_prefix: the prefix to strip. * * Advances the pointer @name by strlen(@strip_prefix) characters. If * the resulting name does not start with a letter or underscore, the * @name pointer will be rewound. This is to ensure that the * resulting name is a valid identifier. Hence the returned string is * a pointer into the string @name. * * Returns: the stripped constant name. */ static char * pyg_constant_strip_prefix(gchar *name, const gchar *strip_prefix) { gint prefix_len; guint j; prefix_len = strlen(strip_prefix); /* strip off prefix from value name, while keeping it a valid * identifier */ for (j = prefix_len; j >= 0; j--) { if (g_ascii_isalpha(name[j]) || name[j] == '_') { return &name[j]; } } return name; } /** * pyg_enum_add_constants: * @module: a Python module * @enum_type: the GType of the enumeration. * @strip_prefix: the prefix to strip from the constant names. * * Adds constants to the given Python module for each value name of * the enumeration. A prefix will be stripped from each enum name. */ static void pyg_enum_add_constants(PyObject *module, GType enum_type, const gchar *strip_prefix) { GEnumClass *eclass; guint i; if (!G_TYPE_IS_ENUM(enum_type)) { if (G_TYPE_IS_FLAGS(enum_type)) /* See bug #136204 */ pyg_flags_add_constants(module, enum_type, strip_prefix); else g_warning("`%s' is not an enum type", g_type_name(enum_type)); return; } g_return_if_fail (strip_prefix != NULL); eclass = G_ENUM_CLASS(g_type_class_ref(enum_type)); for (i = 0; i < eclass->n_values; i++) { gchar *name = eclass->values[i].value_name; gint value = eclass->values[i].value; PyModule_AddIntConstant(module, pyg_constant_strip_prefix(name, strip_prefix), (long) value); } g_type_class_unref(eclass); } /** * pyg_flags_add_constants: * @module: a Python module * @flags_type: the GType of the flags type. * @strip_prefix: the prefix to strip from the constant names. * * Adds constants to the given Python module for each value name of * the flags set. A prefix will be stripped from each flag name. */ static void pyg_flags_add_constants(PyObject *module, GType flags_type, const gchar *strip_prefix) { GFlagsClass *fclass; guint i; if (!G_TYPE_IS_FLAGS(flags_type)) { if (G_TYPE_IS_ENUM(flags_type)) /* See bug #136204 */ pyg_enum_add_constants(module, flags_type, strip_prefix); else g_warning("`%s' is not an flags type", g_type_name(flags_type)); return; } g_return_if_fail (strip_prefix != NULL); fclass = G_FLAGS_CLASS(g_type_class_ref(flags_type)); for (i = 0; i < fclass->n_values; i++) { gchar *name = fclass->values[i].value_name; guint value = fclass->values[i].value; PyModule_AddIntConstant(module, pyg_constant_strip_prefix(name, strip_prefix), (long) value); } g_type_class_unref(fclass); } /** * pyg_error_check: * @error: a pointer to the GError. * * Checks to see if the GError has been set. If the error has been * set, then the gobject.GError Python exception will be raised, and * the GError cleared. * * Returns: True if an error was set. */ static gboolean pyg_error_check(GError **error) { g_return_val_if_fail(error != NULL, FALSE); if (*error != NULL) { PyObject *exc_instance; PyObject *d; pyg_block_threads(); exc_instance = PyObject_CallFunction(gerror_exc, "z", (*error)->message); PyObject_SetAttrString(exc_instance, "domain", d=PyString_FromString(g_quark_to_string((*error)->domain))); Py_DECREF(d); PyObject_SetAttrString(exc_instance, "code", d=PyInt_FromLong((*error)->code)); Py_DECREF(d); if ((*error)->message) { PyObject_SetAttrString(exc_instance, "message", d=PyString_FromString((*error)->message)); Py_DECREF(d); } else { PyObject_SetAttrString(exc_instance, "message", Py_None); } PyErr_SetObject(gerror_exc, exc_instance); Py_DECREF(exc_instance); g_clear_error(error); pyg_unblock_threads(); return TRUE; } return FALSE; } static PyObject * _pyg_strv_from_gvalue(const GValue *value) { gchar **argv = (gchar **) g_value_get_boxed(value); int argc, i; PyObject *py_argv; for (argc = -1; argv[++argc];); py_argv = PyList_New(argc); for (i = 0; i < argc; ++i) PyList_SET_ITEM(py_argv, i, PyString_FromString(argv[i])); return py_argv; } static int _pyg_strv_to_gvalue(GValue *value, PyObject *obj) { int argc, i; gchar **argv; if (!PySequence_Check(obj)) return -1; argc = PySequence_Length(obj); for (i = 0; i < argc; ++i) if (!PyString_Check(PySequence_Fast_GET_ITEM(obj, i))) return -1; argv = g_new(gchar *, argc + 1); for (i = 0; i < argc; ++i) argv[i] = g_strdup(PyString_AsString(PySequence_Fast_GET_ITEM(obj, i))); argv[i] = NULL; g_value_init(value, G_TYPE_STRV); g_value_take_boxed(value, argv); return 0; } /* ----------------- gobject module initialisation -------------- */ struct _PyGObject_Functions pygobject_api_functions = { pygobject_register_class, pygobject_register_wrapper, pygobject_register_sinkfunc, pygobject_lookup_class, pygobject_new, pyg_closure_new, pygobject_watch_closure, pyg_destroy_notify, pyg_type_from_object, pyg_type_wrapper_new, pyg_enum_get_value, pyg_flags_get_value, pyg_register_boxed_custom, pyg_value_from_pyobject, pyg_value_as_pyobject, pyg_register_interface, &PyGBoxed_Type, pyg_register_boxed, pyg_boxed_new, &PyGPointer_Type, pyg_register_pointer, pyg_pointer_new, pyg_enum_add_constants, pyg_flags_add_constants, pyg_constant_strip_prefix, pyg_error_check, pyg_set_thread_block_funcs, (PyGThreadBlockFunc)0, /* block_threads */ (PyGThreadBlockFunc)0, /* unblock_threads */ &PyGParamSpec_Type, pyg_param_spec_new, }; DL_EXPORT(void) initgobject(void) { PyObject *m, *d, *o, *tuple; PyGTypeWrapper_Type.ob_type = &PyType_Type; PyGParamSpec_Type.ob_type = &PyType_Type; m = Py_InitModule("gobject", pygobject_functions); d = PyModule_GetDict(m); #ifdef ENABLE_PYGTK_THREADING if (!g_threads_got_initialized) g_thread_init(NULL); #endif g_type_init(); PY_TYPE_OBJECT = g_boxed_type_register_static("PyObject", pyobject_copy, pyobject_free); gerror_exc = PyErr_NewException("gobject.GError", PyExc_RuntimeError,NULL); PyDict_SetItemString(d, "GError", gerror_exc); PyGObject_Type.tp_alloc = PyType_GenericAlloc; PyGObject_Type.tp_new = PyType_GenericNew; pygobject_register_class(d, "GObject", G_TYPE_OBJECT, &PyGObject_Type, NULL); PyDict_SetItemString(PyGObject_Type.tp_dict, "__gdoc__", pyg_object_descr_doc_get()); PyGInterface_Type.ob_type = &PyType_Type; PyGInterface_Type.tp_alloc = PyType_GenericAlloc; PyGInterface_Type.tp_new = PyType_GenericNew; if (PyType_Ready(&PyGInterface_Type)) return; PyDict_SetItemString(d, "GInterface", (PyObject *)&PyGInterface_Type); PyDict_SetItemString(PyGInterface_Type.tp_dict, "__gtype__", o=pyg_type_wrapper_new(G_TYPE_INTERFACE)); Py_DECREF(o); PyDict_SetItemString(PyGInterface_Type.tp_dict, "__doc__", pyg_object_descr_doc_get()); PyDict_SetItemString(PyGInterface_Type.tp_dict, "__gdoc__", pyg_object_descr_doc_get()); pyginterface_type_key = g_quark_from_static_string(pyginterface_type_id); PyGBoxed_Type.ob_type = &PyType_Type; PyGBoxed_Type.tp_alloc = PyType_GenericAlloc; PyGBoxed_Type.tp_new = PyType_GenericNew; if (PyType_Ready(&PyGBoxed_Type)) return; PyDict_SetItemString(d, "GBoxed", (PyObject *)&PyGBoxed_Type); PyDict_SetItemString(PyGBoxed_Type.tp_dict, "__gtype__", o=pyg_type_wrapper_new(G_TYPE_BOXED)); Py_DECREF(o); PyGMainLoop_Type.ob_type = &PyType_Type; PyGMainLoop_Type.tp_alloc = PyType_GenericAlloc; PyGMainLoop_Type.tp_new = PyType_GenericNew; if (PyType_Ready(&PyGMainLoop_Type)) return; PyDict_SetItemString(d, "MainLoop", (PyObject *)&PyGMainLoop_Type); PyGMainContext_Type.ob_type = &PyType_Type; PyGMainContext_Type.tp_alloc = PyType_GenericAlloc; PyGMainContext_Type.tp_new = PyType_GenericNew; if (PyType_Ready(&PyGMainContext_Type)) return; PyDict_SetItemString(d, "MainContext", (PyObject *)&PyGMainContext_Type); PyGPointer_Type.ob_type = &PyType_Type; PyGPointer_Type.tp_alloc = PyType_GenericAlloc; PyGPointer_Type.tp_new = PyType_GenericNew; if (PyType_Ready(&PyGPointer_Type)) return; PyDict_SetItemString(d, "GPointer", (PyObject *)&PyGPointer_Type); PyDict_SetItemString(PyGPointer_Type.tp_dict, "__gtype__", o=pyg_type_wrapper_new(G_TYPE_POINTER)); Py_DECREF(o); tuple = Py_BuildValue ("(iii)", glib_major_version, glib_minor_version, glib_micro_version); PyDict_SetItemString(d, "glib_version", tuple); Py_DECREF(tuple); /* for addon libraries ... */ PyDict_SetItemString(d, "_PyGObject_API", o=PyCObject_FromVoidPtr(&pygobject_api_functions,NULL)); Py_DECREF(o); /* some constants */ PyModule_AddIntConstant(m, "SIGNAL_RUN_FIRST", G_SIGNAL_RUN_FIRST); PyModule_AddIntConstant(m, "SIGNAL_RUN_LAST", G_SIGNAL_RUN_LAST); PyModule_AddIntConstant(m, "SIGNAL_RUN_CLEANUP", G_SIGNAL_RUN_CLEANUP); PyModule_AddIntConstant(m, "SIGNAL_NO_RECURSE", G_SIGNAL_NO_RECURSE); PyModule_AddIntConstant(m, "SIGNAL_DETAILED", G_SIGNAL_DETAILED); PyModule_AddIntConstant(m, "SIGNAL_ACTION", G_SIGNAL_ACTION); PyModule_AddIntConstant(m, "SIGNAL_NO_HOOKS", G_SIGNAL_NO_HOOKS); PyModule_AddIntConstant(m, "PARAM_READABLE", G_PARAM_READABLE); PyModule_AddIntConstant(m, "PARAM_WRITABLE", G_PARAM_WRITABLE); PyModule_AddIntConstant(m, "PARAM_CONSTRUCT", G_PARAM_CONSTRUCT); PyModule_AddIntConstant(m, "PARAM_CONSTRUCT_ONLY", G_PARAM_CONSTRUCT_ONLY); PyModule_AddIntConstant(m, "PARAM_LAX_VALIDATION", G_PARAM_LAX_VALIDATION); PyModule_AddIntConstant(m, "PARAM_READWRITE", G_PARAM_READWRITE); PyModule_AddIntConstant(m, "PRIORITY_HIGH", G_PRIORITY_HIGH); PyModule_AddIntConstant(m, "PRIORITY_DEFAULT", G_PRIORITY_DEFAULT); PyModule_AddIntConstant(m, "PRIORITY_HIGH_IDLE", G_PRIORITY_HIGH_IDLE); PyModule_AddIntConstant(m,"PRIORITY_DEFAULT_IDLE",G_PRIORITY_DEFAULT_IDLE); PyModule_AddIntConstant(m, "PRIORITY_LOW", G_PRIORITY_LOW); PyModule_AddIntConstant(m, "IO_IN", G_IO_IN); PyModule_AddIntConstant(m, "IO_OUT", G_IO_OUT); PyModule_AddIntConstant(m, "IO_PRI", G_IO_PRI); PyModule_AddIntConstant(m, "IO_ERR", G_IO_ERR); PyModule_AddIntConstant(m, "IO_HUP", G_IO_HUP); PyModule_AddIntConstant(m, "IO_NVAL", G_IO_NVAL); PyModule_AddObject(m, "TYPE_INVALID", pyg_type_wrapper_new(G_TYPE_INVALID)); PyModule_AddObject(m, "TYPE_NONE", pyg_type_wrapper_new(G_TYPE_NONE)); PyModule_AddObject(m, "TYPE_INTERFACE", pyg_type_wrapper_new(G_TYPE_INTERFACE)); PyModule_AddObject(m, "TYPE_CHAR", pyg_type_wrapper_new(G_TYPE_CHAR)); PyModule_AddObject(m, "TYPE_UCHAR", pyg_type_wrapper_new(G_TYPE_UCHAR)); PyModule_AddObject(m, "TYPE_BOOLEAN", pyg_type_wrapper_new(G_TYPE_BOOLEAN)); PyModule_AddObject(m, "TYPE_INT", pyg_type_wrapper_new(G_TYPE_INT)); PyModule_AddObject(m, "TYPE_UINT", pyg_type_wrapper_new(G_TYPE_UINT)); PyModule_AddObject(m, "TYPE_LONG", pyg_type_wrapper_new(G_TYPE_LONG)); PyModule_AddObject(m, "TYPE_ULONG", pyg_type_wrapper_new(G_TYPE_ULONG)); PyModule_AddObject(m, "TYPE_INT64", pyg_type_wrapper_new(G_TYPE_INT64)); PyModule_AddObject(m, "TYPE_UINT64", pyg_type_wrapper_new(G_TYPE_UINT64)); PyModule_AddObject(m, "TYPE_ENUM", pyg_type_wrapper_new(G_TYPE_ENUM)); PyModule_AddObject(m, "TYPE_FLAGS", pyg_type_wrapper_new(G_TYPE_FLAGS)); PyModule_AddObject(m, "TYPE_FLOAT", pyg_type_wrapper_new(G_TYPE_FLOAT)); PyModule_AddObject(m, "TYPE_DOUBLE", pyg_type_wrapper_new(G_TYPE_DOUBLE)); PyModule_AddObject(m, "TYPE_STRING", pyg_type_wrapper_new(G_TYPE_STRING)); PyModule_AddObject(m, "TYPE_POINTER", pyg_type_wrapper_new(G_TYPE_POINTER)); PyModule_AddObject(m, "TYPE_BOXED", pyg_type_wrapper_new(G_TYPE_BOXED)); PyModule_AddObject(m, "TYPE_PARAM", pyg_type_wrapper_new(G_TYPE_PARAM)); PyModule_AddObject(m, "TYPE_OBJECT", pyg_type_wrapper_new(G_TYPE_OBJECT)); PyModule_AddObject(m, "TYPE_PYOBJECT", pyg_type_wrapper_new(PY_TYPE_OBJECT)); pyg_register_boxed_custom(G_TYPE_STRV, _pyg_strv_from_gvalue, _pyg_strv_to_gvalue); }