def __del__(self):
if system.get_os() == "Windows":
if self.mutex:
CloseHandle(self.mutex)
else:
if not self.last_error:
os.unlink(self.pid_path)
def __init__(self):
self.last_error = False
if system.get_os() == "Windows":
self.mutex_name = 'foo_{D0E858DF-985E-4907-B7FB-8D732C3FC3B9}'
self.mutex = CreateMutex(None, False, self.mutex_name)
self.last_error = GetLastError()
else:
self.pid_path = '/tmp/foo.pid'
if os.path.exists(self.pid_path):
pid = open(self.pid_path, 'r').read().strip()
pid_running = commands.getoutput('ls /proc | grep %s' % pid)
if pid_running:
self.last_error = True
if not self.last_error:
f = open(self.pid_path, 'w')
f.write(str(os.getpid()))
f.close()
def is_running(self):
if system.get_os() == "Windows":
return (self.last_error == ERROR_ALREADY_EXISTS)
else:
return self.last_error
from foo import system
if system.get_os() == "Windows":
from win32event import CreateMutex
from win32api import CloseHandle, GetLastError
from winerror import ERROR_ALREADY_EXISTS
else:
import os, commands
class SingleInstance(object):
def __init__(self):
self.last_error = False
if system.get_os() == "Windows":
self.mutex_name = 'foo_{D0E858DF-985E-4907-B7FB-8D732C3FC3B9}'
self.mutex = CreateMutex(None, False, self.mutex_name)
self.last_error = GetLastError()
else:
self.pid_path = '/tmp/foo.pid'
if os.path.exists(self.pid_path):
pid = open(self.pid_path, 'r').read().strip()
pid_running = commands.getoutput('ls /proc | grep %s' % pid)
if pid_running:
self.last_error = True
if not self.last_error:
f = open(self.pid_path, 'w')
f.write(str(os.getpid()))
f.close()
