[Twisted-Python] alternative to tac

[Vasil Vangelovski]

Thanks. I'll try it out.

On Tue, Oct 7, 2008 at 11:18 AM, Werner Thie <wthie at thiengineering.ch> wrote:
> Hi Vasil
>
> I use something along the code below whoch serves dual purpose, use it with
> twistd -noy xxx.tac and also python xxx.tac.
>
> I was undecided almost a year ago whether I should use config files too, but
> then found that the .tac files work great as config files too.
>
> I mainly develop on MSW XP and Vista and routinely deploy to OpenBSD.
>
> HTH, Werner
>
> PS: some refs in the code are generalized
>
> import sys, os, gc
>
> from twisted.enterprise import adbapi
>
> from twisted.application import service, strports, internet
> from twisted.cred import portal, credentials, checkers
> from twisted.internet import protocol, reactor
> #from twisted.conch import manhole, manhole_ssh
> from twisted.python import log
>
> from nevow import appserver, inevow
>
> from theproject import web, i18n, plugin, ourguard
>
> if sys.platform != 'win32':
>  import psyco
>  psyco.full()
>
>  UID = 67
>  GID = 67
>  os.environ['PYTHON_EGG_CACHE'] = '/tmp'
>
> DB_DRIVER = "MySQLdb"
> DB_ARGS = {
>    'host': 'xxx.xxx.xxx.xxx',
>    'db': 'somedb',
>    'user': 'someuser',
>    'passwd': 'somepwd',
>    'cp_reconnect': True
>    }
>
> application = service.Application("appname")
>
> print
> print 'available userstores:'
> for userstore in plugin.userstores():
>  print userstore.name
>
> UserstoreName  = 'dbonly'
> #UserstoreName  = 'memonly'
> [Userstore] = [x for x in plugin.userstores() if x.name == UserstoreName]
> print 'selected: %s' % Userstore.name
>
> userstore = Userstore(DB_DRIVER, **DB_ARGS)
>
> #additional style locations to be put into second arg, third arg is
> #redirect to in case of not knowing where to go
> theportal = portal.Portal(web.Realm(web.Root('style_loc', [],
> 'www.google.com'), userstore))
>
> theportal.registerChecker(checkers.AllowAnonymousAccess(),
> credentials.IAnonymous)
>
> thersrc = ourguard.TheSessionWrapper(theportal, mindFactory=web.Mind)
> site = appserver.NevowSite(thersrc)
>
> webserver = strports.service("tcp:7999", site)
> webserver.setServiceParent(application)
>
> def main():
>  log.startLogging(sys.stdout)
>  reactor.listenTCP(7999, site) #start only the web svc when debugging
>  reactor.run()
> ##  print gc.get_objects()
>
> if __name__ == '__main__':
>  main()
> ##  import cProfile, pstats
> ##  p = cProfile.Profile()
> ##  p.run('main()')
> ##  s = pstats.Stats(p)
> ##  s.strip_dirs()
> ##  s.sort_stats('call', 'cum', 'name').print_stats().print_callers()
>
>
>
> Vasil Vangelovski wrote:
>>
>> Which is the simplest way to put a service under and application to
>> listen on a port and behave similarly to the way it behaves when run
>> with twistd -noy script.tac but directly from a standard python
>> module? Lets assume I don't have access to the tac command and want to
>> emulate the behaveour.
>>
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>
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