[kupfer] Add a simple plugin to send updates via Gwibber (microblogging client)

[Ulrik Sverdrup <usverdrup src gnome org>]

commit b1f29dd06b9250591f46d847ec5c16e82f84dd51
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Thu Feb 11 03:48:02 2010 +0100

    Add a simple plugin to send updates via Gwibber (microblogging client)

 kupfer/plugin/gwibber.py |   69 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 69 insertions(+), 0 deletions(-)
---
diff --git a/kupfer/plugin/gwibber.py b/kupfer/plugin/gwibber.py
new file mode 100644
index 0000000..1e18047
--- /dev/null
+++ b/kupfer/plugin/gwibber.py
@@ -0,0 +1,69 @@
+from __future__ import absolute_import
+
+__kupfer_name__ = _("Gwibber")
+__kupfer_actions__ = (
+		"SendUpdate",
+	)
+__description__ = _("Send updates via the microblogging client Gwibber")
+__version__ = ""
+__author__ = ""
+
+import dbus
+
+from kupfer.objects import Action, TextLeaf, OperationError
+from kupfer import plugin_support
+from kupfer import pretty
+
+plugin_support.check_dbus_connection()
+
+SERVICE_NAME = "com.Gwibber.Service"
+OBJ_NAME = "/com/gwibber/Service"
+IFACE_NAME = "com.Gwibber.Service"
+
+
+def _get_interface(activate=False):
+	"""Return the dbus proxy object for our Note Application.
+
+	if @activate, we will activate it over d-bus (start if not running)
+	"""
+	bus = dbus.SessionBus()
+	proxy_obj = bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
+	dbus_iface = dbus.Interface(proxy_obj, 'org.freedesktop.DBus')
+
+	if not activate and not dbus_iface.NameHasOwner(SERVICE_NAME):
+		return
+
+	try:
+		proxyobj = bus.get_object(SERVICE_NAME, OBJ_NAME)
+	except dbus.DBusException, e:
+		pretty.print_error(__name__, e)
+		return
+	return dbus.Interface(proxyobj, IFACE_NAME)
+
+# callback function for async callbacks
+def success():
+	pretty.print_debug(__name__, "Successful D-Bus method call")
+
+def error(exc):
+	pretty.print_error(__name__, "Encountered error in D-Bus method call:")
+	pretty.print_error(__name__, exc)
+
+class SendUpdate (Action):
+	def __init__(self):
+		Action.__init__(self, _("Send Update"))
+	def activate(self, leaf):
+		gwibber = _get_interface(True)
+		if gwibber:
+			gwibber.SendMessage(leaf.object,
+			                    reply_handler=success, error_handler=error)
+		else:
+			pretty.print_error(__name__, "Gwibber Service not found as:",
+			                   (SERVICE_NAME, OBJ_NAME, IFACE_NAME))
+			raise OperationError(_("Unable to activate Gwibber service"))
+
+	def item_types(self):
+		yield TextLeaf
+
+	def get_description(self):
+		return __description__
+