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/* Glue code to attach the GObject main loop to D-Bus from within Python.
*
* Copyright (C) 2006 Collabora Ltd. <http://www.collabora.co.uk/>
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <Python.h>
#include <dbus/dbus-python.h>
#include <dbus-gmain/dbus-gmain.h>
PyMODINIT_FUNC PyInit__dbus_glib_bindings(void);
#if defined(__GNUC__)
# if __GNUC__ >= 3
# define UNUSED __attribute__((__unused__))
# else
# define UNUSED /*nothing*/
# endif
#else
# define UNUSED /*nothing*/
#endif
static dbus_bool_t
dbus_py_glib_set_up_conn(DBusConnection *conn, void *data)
{
GMainContext *ctx = (GMainContext *)data;
Py_BEGIN_ALLOW_THREADS
_dbus_py_glib_set_up_connection(conn, ctx);
Py_END_ALLOW_THREADS
return 1;
}
static dbus_bool_t
dbus_py_glib_set_up_srv(DBusServer *srv, void *data)
{
GMainContext *ctx = (GMainContext *)data;
Py_BEGIN_ALLOW_THREADS
_dbus_py_glib_set_up_server(srv, ctx);
Py_END_ALLOW_THREADS
return 1;
}
static void
dbus_py_glib_unref_mainctx(void *data)
{
if (data)
g_main_context_unref((GMainContext *)data);
}
/* Generate a dbus-python NativeMainLoop wrapper from a GLib main loop */
static PyObject *
dbus_glib_native_mainloop(GMainContext *ctx)
{
PyObject *loop = DBusPyNativeMainLoop_New4(dbus_py_glib_set_up_conn,
dbus_py_glib_set_up_srv,
dbus_py_glib_unref_mainctx,
ctx ? g_main_context_ref(ctx)
: NULL);
if (!loop && ctx) {
g_main_context_unref(ctx);
}
return loop;
}
PyDoc_STRVAR(module_doc, "");
PyDoc_STRVAR(DBusGMainLoop__doc__,
"DBusGMainLoop([set_as_default=False]) -> NativeMainLoop\n"
"\n"
"Return a NativeMainLoop object which can be used to\n"
"represent the default GLib main context in dbus-python.\n"
"\n"
"If the keyword argument set_as_default is given and is true, set the new\n"
"main loop as the default for all new Connection or Bus instances.\n"
"\n"
"Non-default main contexts are not currently supported.\n");
static PyObject *
DBusGMainLoop (PyObject *always_null UNUSED, PyObject *args, PyObject *kwargs)
{
PyObject *mainloop, *function, *result;
int set_as_default = 0;
static char *argnames[] = {"set_as_default", NULL};
if (PyTuple_Size(args) != 0) {
PyErr_SetString(PyExc_TypeError, "DBusGMainLoop() takes no "
"positional arguments");
return NULL;
}
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", argnames,
&set_as_default)) {
return NULL;
}
mainloop = dbus_glib_native_mainloop(NULL);
if (mainloop && set_as_default) {
if (!_dbus_bindings_module) {
PyErr_SetString(PyExc_ImportError, "_dbus_bindings not imported");
Py_CLEAR(mainloop);
return NULL;
}
function = PyObject_GetAttrString(_dbus_bindings_module,
"set_default_main_loop");
if (!function) {
Py_CLEAR(mainloop);
return NULL;
}
result = PyObject_CallFunctionObjArgs(function, mainloop, NULL);
Py_CLEAR(function);
if (!result) {
Py_CLEAR(mainloop);
return NULL;
}
Py_CLEAR(result);
}
return mainloop;
}
PyDoc_STRVAR(setup_with_g_main__doc__,
"setup_with_g_main(conn: dbus.Connection)\n"
"\n"
"Deprecated.\n");
static PyObject *
setup_with_g_main (PyObject *always_null UNUSED, PyObject *args)
{
DBusConnection *dbc;
PyObject *conn;
if (!PyArg_ParseTuple(args, "O:setup_with_g_main", &conn)) return NULL;
dbc = DBusPyConnection_BorrowDBusConnection (conn);
if (!dbc) return NULL;
dbus_py_glib_set_up_conn(dbc, NULL);
Py_RETURN_NONE;
}
PyDoc_STRVAR(gthreads_init__doc__,
"gthreads_init()");
static PyObject *
gthreads_init (PyObject *always_null UNUSED, PyObject *no_args UNUSED)
{
dbus_threads_init_default();
Py_RETURN_NONE;
}
static PyMethodDef module_functions[] = {
{"setup_with_g_main", setup_with_g_main, METH_VARARGS,
setup_with_g_main__doc__},
{"gthreads_init", gthreads_init, METH_NOARGS, gthreads_init__doc__},
{"DBusGMainLoop", (PyCFunction) (void (*)(void))DBusGMainLoop,
METH_VARARGS|METH_KEYWORDS, DBusGMainLoop__doc__},
{NULL, NULL, 0, NULL}
};
PyMODINIT_FUNC
PyInit__dbus_glib_bindings(void)
{
PyObject *this_module;
static struct PyModuleDef moduledef = {
PyModuleDef_HEAD_INIT,
"_dbus_glib_bindings", /* m_name */
module_doc, /* m_doc */
-1, /* m_size */
module_functions, /* m_methods */
NULL, /* m_reload */
NULL, /* m_traverse */
NULL, /* m_clear */
NULL /* m_free */
};
if (import_dbus_bindings("_dbus_glib_bindings") < 0)
return NULL;
if (!(this_module = PyModule_Create(&moduledef))) {
return NULL;
}
return this_module;
}
/* vim:set ft=c cino< sw=4 sts=4 et: */
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