Hi Jose,
An application like this would be extremely helpful and would be great
to include in Pylons with a bit of tweaking but I just can't quite get
it working on my machine. I can successfully update my INI file and then
install a service without errors but no application appears to actually
run when I start the installed service, there are no Python applications
in Task Manager for example. Which port does the application run on? Is
there a step I'm missing?
Best wishes,
James
jose wrote:
> I've been playing around with pylons lately on windows and saw that
> there
> is no equivalent to demonize in paste for windows. So after looking
> around at
> lots of code I stole and modified some example windows service code
> from cherrypy. Basically if you put the windowservice.py fine in the
> same file as your inifile, and run it it will add a new section to the
> ini file which will allow you to define a windows service, running it
> again a second time will allow you to install, and run the newly
> defined service. I'm including the file, hopefully someone else will
> find it useful, and if anyone has suggestions on how to improve the
> spaghetti code It would be much appreciated.
>
> Jose
>
>
> === WindowsService.py ====
>
> """
> The most basic (working) Windows service possible.
> Requires Mark Hammond's pywin32 package.
> Most of the code was taken from a CherryPy 2.2 example of how to set
> up a service
> """
>
> import win32serviceutil
> from paste.script.serve import ServeCommand as Server
> import os, sys
> import ConfigParser
>
> import win32service
> import win32event
>
> class DefaultSettings(object):
> def __init__(self):
> os.chdir(os.path.dirname(__file__))
> # find the ini file
> self.ini = [x for x in os.listdir('.')
> if os.path.splitext(x)[1].lower().endswith('ini')]
> # create a config parser opject and populate it with the ini
> file
> c = ConfigParser.SafeConfigParser()
> c.read(self.ini[0])
> self.c = c
>
> def getDefaults(self):
> '''
> Check for and get the default settings
> '''
> if (
> (not self.c.has_section('winservice')) or
> (not self.c.has_option('winservice', 'service_name')) or
> (not self.c.has_option('winservice',
> 'service_display_name')) or
> (not self.c.has_option('winservice',
> 'service_description'))
> ):
> print 'setting defaults'
> self.setDefaults()
> service_name = self.c.get('winservice', 'service_name')
> service_display_name = self.c.get('winservice',
> 'service_display_name')
> service_description = self.c.get('winservice',
> 'service_description')
> iniFile = self.ini[0]
> return service_name, service_display_name, service_description,
> iniFile
>
> def setDefaults(self):
> '''
> set and add the default setting to the ini file
> '''
> if not self.c.has_section('winservice'):
> self.c.add_section('winservice')
> self.c.set('winservice', 'service_name', 'WSCGIService')
> self.c.set('winservice', 'service_display_name', 'WSCGI windows
> service')
> self.c.set('winservice', 'service_description', 'WSCGI windows
> service')
> cfg = file(self.ini[0], 'wr')
> self.c.write(cfg)
> cfg.close()
> print '''
> you must set the winservice section service_name, service_display_name,
> and service_description options to define the service
> in the %s file
> ''' % self.ini[0]
> sys.exit()
>
>
> class MyService(win32serviceutil.ServiceFramework):
> """NT Service."""
>
> d = DefaultSettings()
> service_name, service_display_name, service_description, iniFile =
> d.getDefaults()
>
> _svc_name_ = service_name
> _svc_display_name_ = service_display_name
> _svc_description_ = service_description
>
> def __init__(self, args):
> win32serviceutil.ServiceFramework.__init__(self, args)
> # create an event that SvcDoRun can wait on and SvcStop
> # can set.
> self.stop_event = win32event.CreateEvent(None, 0, 0, None)
>
> def SvcDoRun(self):
> os.chdir(os.path.dirname(__file__))
> s = Server(None)
> s.run([self.iniFile])
> win32event.WaitForSingleObject(self.stop_event,
> win32event.INFINITE)
>
> def SvcStop(self):
> self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
> #cherrypy.server.stop()
> #win32event.SetEvent(self.stop_event)
> self.ReportServiceStatus(win32service.SERVICE_STOPPED)
> sys.exit()
>
> if __name__ == '__main__':
> win32serviceutil.HandleCommandLine(MyService)
>
> ==========================================
>
>
> >
>
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