<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def gsignal(name, *args, **kwargs):
 """Add a GObject signal to the current object. It current supports the following types: - str, int, float, long, object, enum :param name: name of the signal :param args: types for signal parameters, if the first one is a string 'override', the signal will be overridden and must therefor exists in the parent GObject. .. note:: flags: A combination of; - gobject.SIGNAL_RUN_FIRST - gobject.SIGNAL_RUN_LAST - gobject.SIGNAL_RUN_CLEANUP - gobject.SIGNAL_NO_RECURSE - gobject.SIGNAL_DETAILED - gobject.SIGNAL_ACTION - gobject.SIGNAL_NO_HOOKS """


    frame = sys._getframe(1)
    try:
        locals = frame.f_locals
    finally:
        del frame

    dict = locals.setdefault('__gsignals__', {})

    if args and args[0] == 'override':
        dict[name] = 'override'
    else:
        retval = kwargs.get('retval', None)
        if retval is None:
            default_flags = gobject.SIGNAL_RUN_FIRST
        else:
            default_flags = gobject.SIGNAL_RUN_LAST

        flags = kwargs.get('flags', default_flags)
        if retval is not None and flags != gobject.SIGNAL_RUN_LAST:
            raise TypeError(
                "You cannot use a return value without setting flags to "
                "gobject.SIGNAL_RUN_LAST")

        dict[name] = (flags, retval, args)