Web   ·   Wiki   ·   Activities   ·   Blog   ·   Lists   ·   Chat   ·   Meeting   ·   Bugs   ·   Git   ·   Translate   ·   Archive   ·   People   ·   Donate
summaryrefslogtreecommitdiffstats
path: root/tutorius/dbustools.py
diff options
context:
space:
mode:
Diffstat (limited to 'tutorius/dbustools.py')
-rw-r--r--tutorius/dbustools.py41
1 files changed, 41 insertions, 0 deletions
diff --git a/tutorius/dbustools.py b/tutorius/dbustools.py
new file mode 100644
index 0000000..1b685d7
--- /dev/null
+++ b/tutorius/dbustools.py
@@ -0,0 +1,41 @@
+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)
+