Python-сообщество

#! /usr/bin/env python
# -*- coding: utf-8 -*-
 
import commands, os, time
 
while True:
    process_run = commands.getoutput('ps -A | grep dzen2')
    file_exists = os.path.exists('mcabber.state')
 
    if file_exists and not process_run:
        print('File exists and no process. Starting...')
        os.system('echo "^fg(green)PENDING ^fg(red)EVENTS" | dzen2 -p')
        
    if file_exists and process_run:
        print('File exist and process running. Do nothing')
    
    if not file_exists and process_run:
        print('File doesn`t exist and process running. Stopping...')
        os.system('killall dzen2')
    
    if not file_exists and not process_run:
        print('File doesn`t exist and process doesn`t running. Do nothing')
 
    time.sleep(2)

import threading
 
class backgroundTask(threading.Thread):
	def __init__(self):
		# Do initialization what you have to do
		self.check=True
	def run(self):
		if self.check  and checkSomething():
			break
		time.sleep(0.1)
 
bg = backgroundTask()
bg.start()
 
print 'hello! checkSomething() is running in the background'
#  do some more operations...
#....
bg.join()# you wait for background task to finish.
 
print 'The End...'

p = supbrocess.Popen('./process.sh',shell=True)
while not p.poll():
    time.sleep(1)

p = supbrocess.Popen('./process.sh',shell=True)
p.wait()

#! /usr/bin/env python
# -*- coding: utf-8 -*-

import subprocess, commands, os, time

proc = 'echo "^fg(green)PENDING ^fg(red)EVENTS" | dzen2 -p'
while True:
    process_run = commands.getoutput('ps -A | grep dzen2')
    file_exists = os.path.exists('mcabber.state')

    if file_exists and not process_run:
        subprocess.Popen(proc, shell=True)

    if not file_exists and process_run:
        os.system('killall dzen2')

    time.sleep(2)