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#!/usr/bin/env python
"""
PEXPECT LICENSE
This license is approved by the OSI and FSF as GPL-compatible.
http://opensource.org/licenses/isc-license.txt
Copyright (c) 2012, Noah Spurrier <noah@noah.org>
PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
"""
import os, time, pexpect, sys
def getProcessResults(cmd, timeLimit=20):
"""
executes 'cmd' as a child process and returns the child's output,
the duration of execution, and the process exit status. Aborts if
child process does not generate output for 'timeLimit' seconds.
"""
output = ""
startTime = time.time()
child = pexpect.spawn(cmd, timeout=10)
child.logfile = sys.stdout
while 1:
try:
# read_nonblocking will add to 'outout' one byte at a time
# newlines can show up as '\r\n' so we kill any '\r's which
# will mess up the formatting for the viewer
output += child.read_nonblocking(timeout=timeLimit).replace("\r","")
except pexpect.EOF, e:
print str(e)
# process terminated normally
break
except pexpect.TIMEOUT, e:
print str(e)
output += "\nProcess aborted by FlashTest after %s seconds.\n" % timeLimit
print child.isalive()
child.kill(9)
break
endTime = time.time()
child.close(force=True)
duration = endTime - startTime
exitStatus = child.exitstatus
return (output, duration, exitStatus)
cmd = "./ticker.py"
result, duration, exitStatus = getProcessResults(cmd)
print "result: %s" % result
print "duration: %s" % duration
print "exit-status: %s" % exitStatus
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