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[Ryan <question255662@xxxxxxxxxxxxxxxxxxxxx>]

New question #255662 on Sikuli:
https://answers.launchpad.net/sikuli/+question/255662

I'm running some user acceptance tests before beginning a section of a project, so the code is very generic.  I'm attempting to create a background listener before launching my automation code to look for unexpected errors within UI regression suites.

I'm getting the following error:

Traceback (most recent call last):
  File "C:\test\TPS_70\Script\GUI\MatchingExample.sikuli\MatchingExample.py", line 18, in <module>
    r.onAppear(sikuli.Pattern("folder.png").similar(0.69), errorOut)
	at org.sikuli.script.Region.onAppear(Region.java:2023)

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

	at java.lang.reflect.Method.invoke(Unknown Source)


java.lang.ClassCastException: java.lang.ClassCastException: org.python.core.PyFunction cannot be cast to org.sikuli.script.SikuliEventObserver


This is coming from the following code:

import sikuli.Sikuli as sikuli
sikuli.Settings.OcrTextRead = True
sikuli.Settings.OcrTextSearch = True
import datetime
import time

def errorOut(event):
    assert False, "WOO!"
    
r = sikuli.Region.create(1 , 35,500,500)

r.onAppear(sikuli.Pattern("thing.png").similar(0.69), errorOut)
print "before" + str(datetime.datetime.now().time().isoformat())
r.observe(25, background=True)
print "onward" + str(datetime.datetime.now().time().isoformat())

for x in xrange(15):
    time.sleep(1)
    print "This"


I've been waiting about 5-10 seconds and then opening the Google Chrome homepage which is what "thing.png" is of, and I want it to throw the exception when it shows up in the middle of the print statements.  It is working as expected in the Sikuli IDE, but we are using Eclipse for our projects as they are very large.

I'm using Sikulix 1.0.1 but to use the IDE I have needed to replace the files with an r930 build (Work around I found online for a bug causing the IDE not to launch), this causes an error that org.sikuli.basics cannot be found if I attempt to run the script in Eclipse with this version being run.  It's a 32-bit system.

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