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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#***************************************************************************
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU General Public License as published by *
#* the Free Software Foundation; either version 3 of the License, or *
#* (at your option) any later version. *
#* *
#***************************************************************************
"""
This module executes any custom script in a seperate thread. This way
it does not block the polling of the heat pump.
Written by Robert Penz <robert@penz.name>
"""
import sys
import threading
import subprocess
class ThreadedExec(threading.Thread):
_cmd = None
def __init__(self, cmd):
threading.Thread.__init__(self)
self._cmd = cmd
def run(self):
process = subprocess.Popen(self._cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=True)
for line in process.stdout.read().splitlines():
# currently only loging
print "external:", line.rstrip("\n")
sys.stdout.flush()
process.stdin.close()
errorCode = process.wait()
if errorCode != 0:
print "Error: Return code was %d!" % errorCode
# Main program: parse command line and start processing
def main():
t = ThreadedExec("ls -la")
t.start()
print "started"
t.join()
print "ended"
if __name__ == '__main__':
main()
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