summaryrefslogtreecommitdiff
path: root/examples/example-async-client.py
diff options
context:
space:
mode:
Diffstat (limited to 'examples/example-async-client.py')
-rw-r--r--examples/example-async-client.py109
1 files changed, 109 insertions, 0 deletions
diff --git a/examples/example-async-client.py b/examples/example-async-client.py
new file mode 100644
index 0000000..0c324e0
--- /dev/null
+++ b/examples/example-async-client.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+
+usage = """Usage:
+python example-service.py &
+python example-async-client.py
+python example-async-client.py --exit-service
+"""
+
+import sys
+import traceback
+
+import gobject
+
+import dbus
+import dbus.mainloop.glib
+
+# Callbacks for asynchronous calls
+
+def handle_hello_reply(r):
+ global hello_replied
+ hello_replied = True
+
+ print str(r)
+
+ if hello_replied and raise_replied:
+ loop.quit()
+
+def handle_hello_error(e):
+ global failed
+ global hello_replied
+ hello_replied = True
+ failed = True
+
+ print "HelloWorld raised an exception! That's not meant to happen..."
+ print "\t", str(e)
+
+ if hello_replied and raise_replied:
+ loop.quit()
+
+def handle_hello_error(e):
+ global failed
+ global hello_replied
+ hello_replied = True
+ failed = True
+
+ print "HelloWorld raised an exception! That's not meant to happen..."
+ print "\t", str(e)
+
+ if hello_replied and raise_replied:
+ loop.quit()
+
+def handle_raise_reply():
+ global failed
+ global raise_replied
+ raise_replied = True
+ failed = True
+
+ print "RaiseException returned normally! That's not meant to happen..."
+
+ if hello_replied and raise_replied:
+ loop.quit()
+
+def handle_raise_error(e):
+ global raise_replied
+ raise_replied = True
+
+ print "RaiseException raised an exception as expected:"
+ print "\t", str(e)
+
+ if hello_replied and raise_replied:
+ loop.quit()
+
+def make_calls():
+ # To make an async call, use the reply_handler and error_handler kwargs
+ remote_object.HelloWorld("Hello from example-async-client.py!",
+ dbus_interface='com.example.SampleInterface',
+ reply_handler=handle_hello_reply,
+ error_handler=handle_hello_error)
+
+ # Interface objects also support async calls
+ iface = dbus.Interface(remote_object, 'com.example.SampleInterface')
+
+ iface.RaiseException(reply_handler=handle_raise_reply,
+ error_handler=handle_raise_error)
+
+ return False
+
+if __name__ == '__main__':
+ dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+
+ bus = dbus.SessionBus()
+ try:
+ remote_object = bus.get_object("com.example.SampleService","/SomeObject")
+ except dbus.DBusException:
+ traceback.print_exc()
+ print usage
+ sys.exit(1)
+
+ # Make the method call after a short delay
+ gobject.timeout_add(1000, make_calls)
+
+ failed = False
+ hello_replied = False
+ raise_replied = False
+
+ loop = gobject.MainLoop()
+ loop.run()
+ if failed:
+ raise SystemExit("Example async client failed!")