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authorHugo Parente Lima <hugo.lima@openbossa.org>2010-04-30 16:08:23 -0300
committerRenato Filho <renato.filho@openbossa.org>2010-05-03 17:32:03 -0300
commit59d0798159149be4bf9fd209b468a5b09d37d80a (patch)
tree891f6064d927aadde617b26ff9f4963a3b2d64c7 /doc/codesnippets/examples
parente7f6729d5b23931ba8a3ea30d80b15110cb4aa8f (diff)
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Add dbus example do docs.
Reviewer: Bruno Araújo <bruno.araujo@openbossa.org> Reviewer: Renato Araújo <renato.araujo@openbossa.org>
Diffstat (limited to 'doc/codesnippets/examples')
-rwxr-xr-xdoc/codesnippets/examples/dbus/example-client.py49
-rwxr-xr-xdoc/codesnippets/examples/dbus/example-server.py68
2 files changed, 117 insertions, 0 deletions
diff --git a/doc/codesnippets/examples/dbus/example-client.py b/doc/codesnippets/examples/dbus/example-client.py
new file mode 100755
index 0000000..605d4b4
--- /dev/null
+++ b/doc/codesnippets/examples/dbus/example-client.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# DBUS Client using PySide integration
+
+import sys
+from traceback import print_exc
+
+# import python dbus module
+import dbus
+# import python dbus GLib mainloop support
+import dbus.mainloop.glib
+# import QtCore
+from PySide.QtCore import *
+
+# signal handler
+def button_clicked():
+ print "button clicked"
+
+# main function
+if __name__ == '__main__':
+
+ # Enable glib main loop support
+ dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+ # Get the session bus
+ bus = dbus.SessionBus()
+
+ try:
+ # Get the remote object
+ remote_object = bus.get_object("com.example.SampleService",
+ "/DBusWidget")
+ # Get the remote interface for the remote object
+ iface = dbus.Interface(remote_object, "com.example.SampleWidget")
+ except dbus.DBusException:
+ print_exc()
+ sys.exit(1)
+
+ # Start the application
+ app = QCoreApplication([])
+
+ # Call some methods of the remote interface
+ iface.show()
+ iface.setText("Emit signal")
+ # connect the DBus signal clicked to the function button_clicked
+ iface.connect_to_signal("clicked", button_clicked)
+ iface.connect_to_signal("lastWindowClosed", app.quit)
+
+ # enter in the main loop
+ app.exec_()
diff --git a/doc/codesnippets/examples/dbus/example-server.py b/doc/codesnippets/examples/dbus/example-server.py
new file mode 100755
index 0000000..3f51ef5
--- /dev/null
+++ b/doc/codesnippets/examples/dbus/example-server.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# DBUS Server Example of use PySide with PyDBus library
+
+import dbus
+import dbus.service
+import dbus.mainloop.glib
+import random
+
+from PySide.QtCore import *
+from PySide.QtGui import QPushButton, QApplication
+
+# The adaptor, MUST inherit dbus.service.Object
+class DBusWidget(dbus.service.Object):
+ def __init__(self, name, session):
+ # export this object to dbus
+ dbus.service.Object.__init__(self, name, session)
+
+ # create a simple widget
+ self.widget = QPushButton()
+ self.widget.resize(200, 50)
+
+ # To export a Qt signal as a DBus-signal, you need to connect it to a method in this class.
+ # The method MUST have the signal annotation, so python-dbus will export it as a dbus-signal
+ QObject.connect(self.widget, SIGNAL("clicked()"), self.clicked)
+ QObject.connect(QApplication.instance(), SIGNAL("lastWindowClosed()"), self.lastWindowClosed)
+
+ # You can export methods to dbus like you do in python-dbus.
+ @dbus.service.method("com.example.SampleWidget", in_signature='', out_signature='')
+ def show(self):
+ self.widget.show()
+
+ # Another method... now with a parameter
+ @dbus.service.method("com.example.SampleWidget", in_signature='s', out_signature='')
+ def setText(self, value):
+ self.widget.setText(value)
+
+ # Another one...
+ @dbus.service.method("com.example.SampleWidget", in_signature='', out_signature='')
+ def exit(self):
+ qApp().quit()
+
+ # A signal that will be exported to dbus
+ @dbus.service.signal("com.example.SampleWidget", signature='')
+ def clicked(self):
+ pass
+
+ # Another signal that will be exported to dbus
+ @dbus.service.signal("com.example.SampleWidget", signature='')
+ def lastWindowClosed(self):
+ pass
+
+
+if __name__ == '__main__':
+ app = QApplication([])
+ # Use qt/glib mainloop integration to get dbus mainloop working
+ dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+
+ session_bus = dbus.SessionBus()
+ # Export the service
+ name = dbus.service.BusName("com.example.SampleService", session_bus)
+ # Export the object
+ widget = DBusWidget(session_bus, '/DBusWidget')
+
+ print "Running example service."
+ app.exec_()
+