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authorcedricbonhomme <devnull@localhost>2012-04-15 18:59:50 +0200
committercedricbonhomme <devnull@localhost>2012-04-15 18:59:50 +0200
commite6472738b5253aa328f8b2a4f4f2a23abc8582c2 (patch)
treec61704deed1d3cb37f5e3961794896c6dd115ba5 /source/pyAggr3g470r
parentBetter use of datetime. (diff)
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Reorganization of folders.
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+#! /usr/bin/env python
+#-*- coding: utf-8 -*-
+
+# pyAggr3g470r - A Web based news aggregator.
+# Copyright (C) 2010 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(servicename = None):
+ if servicename is not None:
+ service = servicename + ".py"
+ proc = subprocess.Popen(["python",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():
+ if not checkpid(servicename = SERVICE):
+ pid = service_start(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, 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.
+ if len(sys.argv) == 1:
+ usage()
+ elif sys.argv[1] == "start":
+ start()
+ elif sys.argv[1] == "stop":
+ stop()
+ elif sys.argv[1] == "restart":
+ stop()
+ start()
+ else:
+ usage()
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