cd506bdf57
Now the D-Bus method "switch_profile" returns record (bool, string), where in case of error, the string describes the error. The string is also displayed by tuned-adm, so the user has better overview what's going there. Related: rhbz#1068699 Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
import dbus
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import dbus.exceptions
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from exceptions import TunedAdminDBusException
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__all__ = ["DBusController"]
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class DBusController(object):
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def __init__(self, bus_name, interface_name, object_name, debug = False):
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self._bus_name = bus_name
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self._interface_name = interface_name
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self._object_name = object_name
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self._proxy = None
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self._debug = debug
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def _init_proxy(self):
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if self._proxy is None:
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bus = dbus.SystemBus()
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self._proxy = bus.get_object(self._bus_name, self._interface_name, self._object_name)
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def _call(self, method_name, *args, **kwargs):
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try:
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self._init_proxy()
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except dbus.exceptions.DBusException:
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raise TunedAdminDBusException("Cannot talk to Tuned daemon via DBus.")
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try:
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method = self._proxy.get_dbus_method(method_name)
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return method(*args, **kwargs)
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except dbus.exceptions.DBusException as dbus_exception:
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err_str = "DBus call to Tuned daemon failed"
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if self._debug:
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err_str += " (%s)" % str(dbus_exception)
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raise TunedAdminDBusException(err_str)
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def is_running(self):
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return self._call("is_running")
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def start(self):
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return self._call("start")
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def stop(self):
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return self._call("stop")
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def profiles(self):
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return self._call("profiles")
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def active_profile(self):
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return self._call("active_profile")
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def switch_profile(self, new_profile):
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if new_profile == "":
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return (False, "No profile specified")
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return self._call("switch_profile", new_profile)
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def recommend_profile(self):
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return self._call("recommend_profile")
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def off(self):
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return self._call("disable")
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