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/* Glue code to attach the GObject main loop to D-Bus from within Python.
*
* Copyright (C) 2006 Collabora Ltd.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <Python.h>
#include "dbus-python.h"
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#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_connection_setup_with_g_main(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_server_setup_with_g_main(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_DECREF(mainloop);
return NULL;
}
function = PyObject_GetAttrString(_dbus_bindings_module,
"set_default_main_loop");
if (!function) {
Py_DECREF(mainloop);
return NULL;
}
result = PyObject_CallFunctionObjArgs(function, mainloop, NULL);
Py_DECREF(function);
if (!result) {
Py_DECREF(mainloop);
return NULL;
}
Py_DECREF(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_g_thread_init();
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)DBusGMainLoop,
METH_VARARGS|METH_KEYWORDS, DBusGMainLoop__doc__},
{NULL, NULL, 0, NULL}
};
PyMODINIT_FUNC
init_dbus_glib_bindings(void)
{
PyObject *this_module;
if (import_dbus_bindings("_dbus_glib_bindings") < 0) return;
this_module = Py_InitModule3 ("_dbus_glib_bindings", module_functions,
module_doc);
if (!this_module) return;
}
/* vim:set ft=c cino< sw=4 sts=4 et: */
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