import pwd

from twisted.internet import defer, protocol, reactor, utils

# Another back-end


@implementer(IFingerService)
class LocalFingerService(service.Service):
    def getUser(self, user):
        # need a local finger daemon running for this to work
        return utils.getProcessOutput("finger", [user])

    def getUsers(self):
        return defer.succeed([])


f = LocalFingerService()