Last week i just learned python and kde programming, by creating plasmoid.
I have followed the tutorial from kde site.
Now i'm stuck with KNotification, i just want to display a button at my plasmoid then if i press the button, i want to see a notification like what kopete do when user online.

From the documentation i should create notifyrc file. And copied to /usr/kde/4.2/share/apps/appletname/

Since i donot know how to copy the notifyrc automatically at install time, i copied manually. But the notification still not displayed.
So my questions are:
1. How to install notifyrc automatically for Python Plasmoid?
2. Why the notification failed?

Thanks.

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from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtXml import *
from PyKDE4.plasma import Plasma
from PyKDE4 import plasmascript
from PyKDE4.kdeui import *
 
class NotificationPlasmaApplet(plasmascript.Applet):
    def __init__(self,parent,args=None):
        plasmascript.Applet.__init__(self,parent)

    def init(self):
        self.setHasConfigurationInterface(False)
   self.setAspectRatioMode(Plasma.Square)
   
   self.theme = Plasma.Svg(self)
   self.theme.setImagePath("widgets/background")
   self.setBackgroundHints(Plasma.Applet.DefaultBackground)
   self.layout = QGraphicsLinearLayout(Qt.Vertical,self.applet)
   self.labelFirstHeader = Plasma.Label(self.applet)
   self.button = Plasma.PushButton(self.applet)
   self.button.setText("hello")
   self.connect(self.button, SIGNAL("clicked()"), self.notify)
   self.layout.addItem(self.button)

    def notify(self):
        print "notify"
        KNotification.event("Updates", "hello", KIcon("konqueror").pixmap(QSize(22,22)))

def CreateApplet(parent):
    return NotificationPlasmaApplet(parent)


And my notifyrc

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[Global]
Name=Notification Plasma
IconName=chronometer
Comment=Sample notification

[Event/Updates]
Name=Update event
Comment=Got update event
Action=Popup


I have solved the no.2 problem.
I can see notification now.

First add this line

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from PyKDE4.kdecore import *


Second change old KNotification.event line, into this:

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KNotification.event("Updates", "hello", KIcon("konqueror").pixmap(QSize(22,22)),None,KNotification.CloseOnTimeout,KComponentData("notplasma","notplasma",KComponentData.SkipMainComponentRegistration))


Not really answered to my 1st question.
But i think i donot need to put my notifirc file globally.
I just need to put inside my local .kde/share/apps/appletname directory