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import logging
LOGGER = logging.getLogger("sugar.tutorius.dbustools")
def save_args(callable, *xargs, **xkwargs):
def __call(*args, **kwargs):
kw = dict()
kw.update(kwargs)
kw.update(xkwargs)
return callable(*(xargs+args), **kw)
return __call
def ignore(*args):
LOGGER.debug("Unhandled asynchronous dbus call response with arguments: %s", str(args))
def logError(error):
LOGGER.error("Unhandled asynchronous dbus call error: %s", error)
def remote_call(callable, args, return_cb=None, error_cb=None, block=False):
reply_cb = return_cb or ignore
errhandler_cb = error_cb or logError
if block:
try:
ret_val = callable(*args)
LOGGER.debug("remote_call return arguments: %s", str(ret_val))
except Exception, e:
#Use the specified error handler even for blocking calls
errhandler_cb(e)
#Return value signature might be :
if ret_val is None:
#Nothing
return reply_cb()
elif type(ret_val) in (list, tuple):
#Several parameters
return reply_cb(*ret_val)
else:
#One parameter
return reply_cb(ret_val)
else:
callable(*args, reply_handler=reply_cb, error_handler=errhandler_cb)
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