# winservice.py
from os.path import splitext, abspath
from sys import modules
import win32serviceutil
import win32service
import win32event
import win32api
class Service(win32serviceutil.ServiceFramework):
_svc_name_ = '_unNamed'
_svc_display_name_ = '_Service Template'
def __init__(self, *args):
win32serviceutil.ServiceFramework.__init__(self, *args)
self.log('init')
self.stop_event = win32event.CreateEvent(None, 0, 0, None)
def log(self, msg):
import servicemanager
servicemanager.LogInfoMsg(str(msg))
def sleep(self, sec):
win32api.Sleep(sec*1000, True)
def SvcDoRun(self):
self.ReportServiceStatus(win32service.SERVICE_START_PENDING)
try:
self.ReportServiceStatus(win32service.SERVICE_RUNNING)
self.log('start')
self.start()
self.log('wait')
win32event.WaitForSingleObject(self.stop_event, win32event.INFINITE)
self.log('done')
except Exception, x:
self.log('Exception : %s' % x)
self.SvcStop()
def SvcStop(self):
self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
self.log('stopping')
self.stop()
self.log('stopped')
win32event.SetEvent(self.stop_event)
self.ReportServiceStatus(win32service.SERVICE_STOPPED)
# to be overridden
def start(self): pass
# to be overridden
def stop(self): pass
def instart(cls, name, display_name=None, stay_alive=True):
''' Install and Start (auto) a Service
cls : the class (derived from Service) that implement the Service
name : Service name
display_name : the name displayed in the service manager
stay_alive : Service will stop on logout if False
'''
cls._svc_name_ = name
cls._svc_display_name_ = display_name or name
try:
module_path=modules[cls.__module__].__file__
except AttributeError:
# maybe py2exe went by
from sys import executable
module_path=executable
module_file = splitext(abspath(module_path))[0]
cls._svc_reg_class_ = '%s.%s' % (module_file, cls.__name__)
if stay_alive: win32api.SetConsoleCtrlHandler(lambda x: True, True)
try:
win32serviceutil.InstallService(
cls._svc_reg_class_,
cls._svc_name_,
cls._svc_display_name_,
startType = win32service.SERVICE_AUTO_START
)
print 'Install ok'
win32serviceutil.StartService(
cls._svc_name_
)
print 'Start ok'
except Exception, x:
print str(x)
#
#
#
#
##### TEST MODULE
#
#
#
#
# winservice_test.py
from winservice import Service, instart
class Test(Service):
def start(self):
self.runflag=True
while self.runflag:
self.sleep(10)
self.log("I'm alive ...")
def stop(self):
self.runflag=False
self.log("I'm done")
instart(Test, 'aTest', 'Python Service Test')
Diff to Previous Revision
--- revision 3 2012-03-25 20:58:09
+++ revision 4 2014-09-06 10:35:54
@@ -18,8 +18,8 @@
def log(self, msg):
import servicemanager
servicemanager.LogInfoMsg(str(msg))
- def sleep(self, sec):
- win32api.Sleep(sec*1000, True)
+ def sleep(self, sec):
+ win32api.Sleep(sec*1000, True)
def SvcDoRun(self):
self.ReportServiceStatus(win32service.SERVICE_START_PENDING)
try:
