@@ -9,9 +9,6 @@ import tralchemy from tralchemy.rdfs import Class if __name__ == '__main__': - - holdrefs = [] - for cls in Class.get(notify="true"): def added(subjects): print cls.uri, subjects @@ -20,10 +17,9 @@ if __name__ == '__main__': def removed(subjects): print cls.uri, subjects kls = tralchemy.core.types.get_class(cls.uri) - kls.notifications.connect("SubjectsAdded", added) - kls.notifications.connect("SubjectsChanged", changed) - kls.notifications.connect("SubjectsRemoved", changed) - holdrefs.append(kls) + kls.added.subscribe(added) + kls.changed.subscribe(changed) + kls.removed.subscribe(removed) loop = glib.MainLoop() loop.run() examples/monitor.py @@ -53,14 +53,15 @@ def get_classname(classname): class Notifications(object): """ Class to allow users to attach signals to a class of object """ - def __init__(self, uri): + def __init__(self, uri, signal): self.uri = uri.replace(":", "/") + self.signal = signal - def connect(self, signal, callback): + def subscribe(self, callback): def _(subjects): subjects = [str(subject) for subject in subjects] return callback(subjects) - bus.add_signal_receiver (_, signal_name=signal, + bus.add_signal_receiver (_, signal_name=self.signal, dbus_interface="org.freedesktop.Tracker.Resources.Class", path="/org/freedesktop/Tracker/Resources/Classes/%s" % self.uri) @@ -326,7 +327,9 @@ class WrapperFactory(object): # Does this class have notifications? if cls.notify: - attrs['notifications'] = Notifications(cls.uri) + attrs['added'] = Notifications(cls.uri, 'SubjectsAdded') + attrs['changed'] = Notifications(cls.uri, 'SubjectsChanged') + attrs['removed'] = Notifications(cls.uri, 'SubjectsRemoved') # Enumerate all properties of this class for prop in Property.get(domain=cls.uri): tralchemy/core.py 99574c99470ec1be6b7f676e2f2e01b517910533 John Carr john.carr@unrouted.co.uk http://github.com/Jc2k/tralchemy/commit/5a9f5018ebcfa3e237ef614e40a0d9b10613cdba 5a9f5018ebcfa3e237ef614e40a0d9b10613cdba 2009-07-04T12:25:03-07:00 2009-07-04T12:25:03-07:00 Notifications tidyups f288a3815a7a5e9eb46a6888315a354297ca959d John Carr john.carr@unrouted.co.uk