test: Make runnable with python3

test/simple-agent

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 
-import gobject
+from gi.repository import GLib
 
 import dbus
 import dbus.service
@@ -24,12 +24,13 @@ class Agent(dbus.service.Object):
         response = {}
 
         if not self.passphrase:
-			print "Service credentials requested, type cancel to cancel"
-			args = raw_input('Answer: ')
+            print("Service credentials requested, type cancel to cancel")
+            args = input('Answer: ')
 
             for arg in args.split():
                 if arg.startswith("cancel"):
                     response["Error"] = arg
+
                 if arg.startswith("Passphrase="):
                     passphrase = arg.replace("Passphrase=", "", 1)
                     response["Passphrase"] = passphrase
@@ -43,10 +44,9 @@ class Agent(dbus.service.Object):
                             in_signature='o',
                             out_signature='s')
     def RequestPassphrase(self, path):
-		print "RequestPassphrase (%s)" % (path)
+        print("RequestPassphrase (%s)" % (path))
 
         response = {}
-
         response.update(self.input_passphrase())
 
         if response.has_key("Error"):
@@ -54,21 +54,19 @@ class Agent(dbus.service.Object):
                 raise Canceled("canceled")
                 return
 
-		print "returning (%s)" % (response["Passphrase"])
-
+        print("returning (%s)" % (response["Passphrase"]))
         return response["Passphrase"]
 
     @dbus.service.method("net.connman.iwd.Agent",
                             in_signature='', out_signature='')
     def Cancel(self):
-		print "Cancel"
-
+        print("Cancel")
 
 def print_usage():
-	print "Usage:"
-	print "For WPA input:"
-	print "%s Passphrase=<passphrase>" % (sys.argv[0])
-	print "Help: %s help" % (sys.argv[0])
+    print("Usage:")
+    print("For WPA input:")
+    print("%s Passphrase=<passphrase>" % (sys.argv[0]))
+    print("Help: %s help" % (sys.argv[0]))
     sys.exit(1)
 
 if __name__ == '__main__':
@@ -94,7 +92,7 @@ if __name__ == '__main__':
     try:
         manager.RegisterAgent(path)
     except:
-		print "Cannot register iwd agent."
+        print("Cannot register iwd agent.")
 
-	mainloop = gobject.MainLoop()
+    mainloop = GLib.MainLoop()
     mainloop.run()