New question #242343 on Sikuli:
https://answers.launchpad.net/sikuli/+question/242343
Hi,
I'm working with Inter-process communication over the network between
Powershell and Python.
I have a NamedPipeServer running in Powershell and have a Python NamedClient
for the same to read the stream from the Pipe.
The NamedPipeClient code goes like this:
########################################################################
import struct
import time
def namedpipeClient():
f = open(r'\\192.168.173.231\pipe\testpipe', 'r+b', 0)
i = 1
n = struct.unpack('I', f.read(4))[0] # Read str length
s = f.read(n) # Read str
f.seek(0) # Important!!!
print 'Read:', s
if (s is None):
return False
else:
return True
time.sleep(2)
readyToProceed = namedpipeClient()
#############################################################################
If I start the namedpipeServer in Powershell, and then try to run the
namedpipeClient from a normal Python IDLE(the code above), it is working fine,
reads the content from the NamedPipe without any issue.
But the same method namedpipeClient(), when I move to Sikuli inside the setUp
of one unittest, things changed and it is throwing me an Out of Memory
Exception:
ft1.1: Inside Setup
Traceback (most recent call last):
File
"D:\MyWorkSpace\AViewSmokeTests_NP\src\AViewSmokeTests.sikuli\AViewSmokeTests.py",
line 259, in setUp
readyToProceed = namedpipeClient()
File
"D:\MyWorkSpace\AViewSmokeTests_NP\src\AViewSmokeTests.sikuli\AViewSmokeTests.py",
line 68, in namedpipeClient
s = f.read(n) # Read str
OutOfMemoryError: java.lang.OutOfMemoryError: Java heap space
That code snippet in mySikuli script goes like this:
########################################################################
from sikuli.Sikuli import *
import struct
import os
import unittest
import HTMLTestRunner
reload(HTMLTestRunner)
# All the ImagePath settings goes here.
#
# Path where report gets created using HTMLTestRunner, etc
#
#The namedPipeClient to read from the NamedPipe
def namedpipeClient():
f = open(r'\\192.168.173.231\pipe\testpipe', 'r+b', 0)
i = 1
n = struct.unpack('I', f.read(4))[0] # Read str length
s = f.read(n) # Read str
f.seek(0) # Important!!!
print 'Read:', s
if (s is None):
return False
else:
return True
time.sleep(2)
class Test1(unittest.TestCase, CommonMethods):
def setUp(self):
print "Inside Setup"
readyToProceed = namedpipeClient()
def testA(self):
pass
def testB(self):
pass
def tearDown(self):
pass
suite = unittest.TestLoader().loadTestsFromTestCase(AViewTest1)
runner.run(suite)
os._exit()
#########################################################################
Is it really an Out of memory Error ? or something wrong with my code(if yes,
then why is it working fine when I run it as a simple Python program)?
Sikuli version : Sikuli 1.0.1
Java: jdk1.6
using: -Xms64M -Xmx512M -Dfile.encoding=UTF-8 -Dsikuli.FromCommandLine [ in
runScript.cmd]
Im running the script through command line only.
Thanks,
Aravind
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