get tor exit list using txtorcon

gistfile1.txt

#!/usr/bin/env python

from sys import stdout
from twisted.internet import reactor
from twisted.internet.endpoints import TCP4ClientEndpoint
from twisted.internet.task import react, LoopingCall
from twisted.internet.defer import inlineCallbacks
import txtorcon


@inlineCallbacks
def main(reactor):
    config = txtorcon.TorConfig()
    config.OrPort = 0  # could set this to be a relay, e.g. 1234
    config.SocksPort = [9999]
    
    yield txtorcon.launch_tor(config, reactor, stdout=stdout)

    proto = config.protocol

    state = yield txtorcon.TorState.from_protocol(proto)

    @inlineCallbacks
    def runEverySecond():
        state = yield txtorcon.TorState.from_protocol(proto)
        print [r for r in state.routers.values() if 'exit' in r.flags]

    yield LoopingCall(runEverySecond).start(5.0) # call every 5 second

if __name__ == '__main__':
    react(main)