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#! /usr/bin/env python
#-*- coding: utf-8 -*-
# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2012 Cédric Bonhomme - http://cedricbonhomme.org/
#
# For more information : http://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# 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 program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.1 $"
__date__ = "$Date: 2011/06/20 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "GPLv3"
# This control file is inspired from Forban: http://www.foo.be/forban.
import os
import sys
import time
import subprocess
import platform
import signal
PATH = os.path.abspath(".")
SERVICE = "pyAggr3g470r"
def service_start(python_command, servicename = None):
if servicename is not None:
service = servicename + ".py"
proc = subprocess.Popen([python_command, service], stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
time.sleep(0.15)
return proc.pid
return False
def writepid (processname = None, pid = None):
pidpath = os.path.join(PATH,"var",processname+".pid")
if processname is not None and pid is not None:
f = open (pidpath,"w")
f.write(str(pid))
f.close()
return True
else:
return False
def checkpid (servicename = None):
pidpath = os.path.join(PATH,"var",servicename+".pid")
if os.path.exists(pidpath):
return True
else:
return False
def pidof(processname = None):
pidpath = os.path.join(PATH,"var",processname+".pid")
if processname is not None and os.path.exists(pidpath):
f = open (pidpath)
pid = f.read()
f.close()
return pid
else:
return False
def rmpid (processname = None):
pidpath = os.path.join(PATH, "var", processname + ".pid")
if os.path.exists(pidpath):
os.unlink(pidpath)
return True
else:
return False
def start(python_command):
if not checkpid(servicename = SERVICE):
pid = service_start(python_command, servicename = SERVICE)
writepid(processname = SERVICE, pid = pid)
print(SERVICE + " is starting with pid: " + pidof(processname=SERVICE))
else:
print(SERVICE + " could not be started (pid exists)")
retval=False
def stop():
print("Stopping pyAggr3g470r...")
retval=True
pid = pidof(processname=SERVICE)
if pid:
if platform.system() == "Windows":
import win32api
import win32con
phandle = win32api.OpenProcess(win32con.PROCESS_TERMINATE, 0, int(pid))
win32api.TerminateProcess(phandle, 0)
win32api.CloseHandle(phandle)
rmpid(processname=SERVICE)
else:
try:
os.kill(int(pid), signal.SIGKILL)
except OSError as e:
print(SERVICE + " unsuccessfully stopped")
retval = False
print(SERVICE)
rmpid(processname=SERVICE)
return retval
def usage():
print("pyAggr3g470r (start|stop|restart)")
exit (1)
if __name__ == "__main__":
# Point of entry in execution mode.
python_command = "python"
if sys.version_info.major == 2:
# Ensures that code doesn't illegally mixed tabs and spaces
python_command = "python3.2 -tt"
if len(sys.argv) == 1:
usage()
elif sys.argv[1] == "start":
start(python_command)
elif sys.argv[1] == "stop":
stop()
elif sys.argv[1] == "restart":
stop()
start(python_command)
else:
usage()
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