remove usage of "six"

examples/connect.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
 from twisted.internet.task import react
 from twisted.internet.defer import inlineCallbacks
 from twisted.internet.endpoints import TCP4ClientEndpoint

examples/disallow_streams_by_port.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # This uses a very simple custom txtorcon.IStreamAttacher to disallow
 # certain streams based solely on their port; by default it closes

examples/dns_lookups.py

@@ -1,5 +1,3 @@
-from __future__ import print_function
-
 from twisted.internet.task import react
 from twisted.internet.defer import inlineCallbacks
 from twisted.internet.endpoints import clientFromString

examples/hidden_echo.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 from twisted.internet import protocol, reactor, endpoints
 
 # like the echo-server example on the front page of

examples/launch_tor.py

@@ -1,5 +1,3 @@
-from __future__ import print_function
-
 """
 Launch a private Tor instance.
 """

examples/launch_tor2web.py

@@ -5,8 +5,6 @@
 # running tor supports, *without* resorting to looking at version
 # numbers.
 
-from __future__ import print_function
-
 import sys
 from twisted.internet.task import react
 from twisted.internet.defer import inlineCallbacks, Deferred

examples/launch_tor_endpoint.py

@@ -1,5 +1,3 @@
-from __future__ import print_function
-
 # Here we set up a Twisted Web server and then launch our own tor with
 # a configured hidden service directed at the Web server we set
 # up. This uses serverFromString to translate the "onion" endpoint

examples/launch_tor_endpoint2.py

@@ -5,8 +5,6 @@
 # up. This uses serverFromString to translate the "onion" endpoint descriptor
 # into a TCPHiddenServiceEndpoint object...
 
-from __future__ import print_function
-
 from twisted.internet import reactor
 from twisted.web import server, resource
 from twisted.internet.endpoints import serverFromString

examples/launch_tor_unix_sockets.py

@@ -1,5 +1,3 @@
-from __future__ import print_function
-
 """
 Use the 'global_tor' instance from txtorcon; this is a Tor
 instance that either doesn't exist or is unique to this process'

examples/launch_tor_with_simplehttpd.py

@@ -11,8 +11,6 @@
     ./launch_tor_with_simplehttpd.py -p 8080 -d /opt/files/
 '''
 
-from __future__ import print_function
-
 import SimpleHTTPServer
 import SocketServer
 import functools

examples/minimal_endpoint.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
 from twisted.internet import reactor
 from twisted.internet.endpoints import serverFromString
 from twisted.web import server, static

examples/monitor.py

@@ -3,8 +3,6 @@
 # Just listens for a few EVENTs from Tor (INFO NOTICE WARN ERR) and
 # prints out the contents, so functions like a log monitor.
 
-from __future__ import print_function
-
 from twisted.internet import task, defer
 from twisted.internet.endpoints import UNIXClientEndpoint
 import txtorcon

examples/stem_relay_descriptor.py

@@ -13,7 +13,6 @@
 # descriptors -- by default Tor only downloads "microdescriptors"
 # (whose information is already available live via txtorcon.Router
 # instances). Set "UseMicrodescriptors 0" to download "full" descriptors
-from __future__ import print_function
 
 from twisted.internet.task import react
 from twisted.internet.defer import inlineCallbacks

examples/stream_circuit_logger.py

@@ -3,8 +3,6 @@
 # This uses an IStreamListener and an ICircuitListener to log all
 # built circuits and all streams that succeed.
 
-from __future__ import print_function
-
 import sys
 from twisted.python import log
 from twisted.internet.task import react

examples/tor_info.py

@@ -15,8 +15,6 @@
 # transaction, you'll have to use TorControlProtocol's get_info
 # instead.
 
-from __future__ import print_function
-
 import sys
 from twisted.internet import reactor, defer
 from txtorcon import TorInfo, build_local_tor_connection

examples/web_client.py

@@ -1,8 +1,6 @@
 # this example shows how to use Twisted's web client with Tor via
 # txtorcon
 
-from __future__ import print_function
-
 from twisted.internet.defer import inlineCallbacks
 from twisted.internet.task import react
 from twisted.internet.endpoints import TCP4ClientEndpoint

examples/web_client_authenticated.py

@@ -1,8 +1,6 @@
 # this example shows how to use Twisted's web client with Tor via
 # txtorcon
 
-from __future__ import print_function
-
 from twisted.internet.defer import inlineCallbacks
 from twisted.internet.task import react
 from twisted.internet.endpoints import TCP4ClientEndpoint

examples/web_client_custom_circuit.py

@@ -5,8 +5,6 @@
 # do anything "special" to select your circuit hops you risk making it
 # easy to de-anonymize this (and all other) Tor circuits.
 
-from __future__ import print_function
-
 from twisted.internet.protocol import Protocol, Factory
 from twisted.internet.defer import inlineCallbacks, Deferred
 from twisted.internet.task import react

examples/web_client_treq.py

@@ -1,8 +1,6 @@
 # just copying over most of "carml checkpypi" because it's a good
 # example of "I want a stream over *this* circuit".
 
-from __future__ import print_function
-
 from twisted.internet.defer import inlineCallbacks
 from twisted.internet.task import react
 from twisted.internet.endpoints import TCP4ClientEndpoint

examples/web_onion_service_endpoints.py

@@ -11,7 +11,6 @@
 # parser plugin but code without knowledge of txtorcon can still
 # launch a Tor instance using it. cool!
 
-from __future__ import print_function
 from twisted.internet import defer, task, endpoints, error
 from twisted.web import server, resource
 

examples/web_onion_service_ephemeral_auth.py

@@ -11,7 +11,6 @@
 # parser plugin but code without knowledge of txtorcon can still
 # launch a Tor instance using it. cool!
 
-from __future__ import print_function
 from twisted.internet import defer, task, endpoints
 from twisted.web import server, resource
 

examples/web_onion_service_ephemeral_nonanon.py

@@ -6,7 +6,6 @@
 # services. Once you publish a service like this, there's no going
 # back to location-hidden.
 
-from __future__ import print_function
 from twisted.internet import defer, task, endpoints
 from twisted.web import server, resource
 

examples/web_onion_service_ephemeral_unix.py

@@ -11,7 +11,6 @@
 # parser plugin but code without knowledge of txtorcon can still
 # launch a Tor instance using it. cool!
 
-from __future__ import print_function
 from os.path import abspath
 
 from twisted.internet import defer, task, endpoints

examples/web_onion_service_filesystem.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
 import os
 
 from twisted.internet import defer, task, endpoints

examples/web_onion_service_prop224.py

@@ -11,7 +11,6 @@
 # parser plugin but code without knowledge of txtorcon can still
 # launch a Tor instance using it. cool!
 
-from __future__ import print_function
 from twisted.internet import defer, task, endpoints
 from twisted.web import server, resource
 

examples/web_onion_service_prop224_endpoints_file.py

@@ -11,7 +11,6 @@
 # parser plugin but code without knowledge of txtorcon can still
 # launch a Tor instance using it. cool!
 
-from __future__ import print_function
 from twisted.internet import defer, task, endpoints
 from twisted.web import server, resource
 

examples/webui_server.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
-
 from twisted.internet import reactor
 from nevow.appserver import NevowSite
 from nevow import loaders, tags, livepage

integration/hidden_service_listen_ports/container_run

@@ -16,7 +16,7 @@ from twisted.python import log
 
 log.startLogging(sys.stdout)
 
-print sys.argv[0]
+print(sys.argv[0])
 
 sys.path.insert(0, '/txtorcon')
 import txtorcon
@@ -31,22 +31,22 @@ class Simple(resource.Resource):
 
 def updates(prog, tag, summary):
     p = ('#' * int(10*(prog/100.0))) + ('.'*(10 - int(10*(prog/100.0))))
-    print "%s %s" % (p, summary)
+    print("%s %s" % (p, summary))
 
 
 @defer.inlineCallbacks
 def main(reactor):
-    print "Launching Tor"
+    print("Launching Tor")
     tor = yield txtorcon.launch(reactor, socks_port=0, progress_updates=updates)
 
     hs_endpoint = tor.create_onion_endpoint(80)
 
-    print "Starting site"
+    print("Starting site")
     site = server.Site(Simple())
     port = yield hs_endpoint.listen(site)
 
-    print port.getHost().onion_uri, port.getHost().onion_port, port.local_address
-    print "liftoff"
+    print(port.getHost().onion_uri, port.getHost().onion_port, port.local_address)
+    print("liftoff")
     os.system("netstat -pltn")
 
 task.react(main)

integration/hidden_service_listen_ports/host_run

@@ -15,18 +15,19 @@ from xml.dom import minidom
 
 d = os.path.realpath(os.path.curdir)
 container = subprocess.check_output(['docker', 'run', '-v', d+':/txtorcon:ro', '-d',
-                                     'txtorcon-tester', '/txtorcon/integration/hidden_service_listen_ports/container_run']).strip()
-print 'container:', container
+                                     'txtorcon-tester', '/txtorcon/integration/hidden_service_listen_ports/container_run'],
+                                    text=True).strip()
+print('container:', container)
 def kill_container(container):
-    print "killing", container
+    print("killing", container)
     subprocess.check_output(['docker', 'kill', container])
 atexit.register(functools.partial(kill_container, container))
 
 data = subprocess.check_output(['docker', 'inspect', container])
 data = json.loads(data)[0]
 
 ip = data['NetworkSettings']['IPAddress']
-print "ip address", ip
+print("ip address", ip)
 
 logs_printed = 0
 while True:
@@ -40,7 +41,7 @@ while True:
     time.sleep(1)
     continue
 
-print "running nmap (scanning all 65535 TCP ports)..."
+print("running nmap (scanning all 65535 TCP ports)...")
 fname = 'txtorcon-nmap'
 #print subprocess.check_output(['nmap', '-T5', '-PN', ip])
 nmap = subprocess.check_output(['nmap', '-T5', '-p', '1-65535', '-oX', fname, 
@@ -50,17 +51,17 @@ dom = minidom.parse(open(fname, 'r'))
 ports = dom.getElementsByTagName('port')
 is_error = None
 if len(ports):
-    print "Open ports found:"
+    print("Open ports found:")
     for e in ports:
         state = e.getElementsByTagName('state')[0].getAttribute('state')
         port = e.getAttribute('portid')
-        print port, state
+        print(port, state)
     is_error = '%d open ports found' % len(ports)
 
 if is_error:
-    print "FAILED", is_error
+    print("FAILED", is_error)
     sys.exit(1)
 
 else:
-    print "OK."
+    print("OK.")
     sys.exit(0)

integration/run.py

@@ -4,8 +4,6 @@
 ## if any one does.
 ## FIXME can't I [ab]use trial or unittest for this??
 
-from __future__ import print_function
-
 import os
 import sys
 import subprocess

integration/timeout_tor_launch/container_run

@@ -23,14 +23,14 @@ log.startLogging(sys.stdout)
 
 def updates(prog, tag, summary):
     p = ('#' * int(10*(prog/100.0))) + ('.'*(10 - int(10*(prog/100.0))))
-    print "%s %s" % (p, summary)
+    print("%s %s" % (p, summary))
 
 @defer.inlineCallbacks
 def main(reactor):
-    print "Launching Tor"
+    print("Launching Tor")
     tor = yield txtorcon.launch(reactor, progress_updates=updates)
-    print "launch over:", proto
-    print 'Running "ps afxu":'
+    print("launch over:", proto)
+    print('Running "ps afxu":')
     os.system("ps afxu")
 
 task.react(main)

integration/timeout_tor_launch/host_run

@@ -8,27 +8,26 @@ import os
 import atexit
 import functools
 import subprocess
-import json
 import time
 import sys
-from xml.dom import minidom
 
 d = os.path.realpath(os.path.curdir)
 container = subprocess.check_output(['docker', 'run', '-v', d+':/txtorcon:ro',
-                                     '-d', 'txtorcon-tester', '/txtorcon/integration/timeout_tor_launch/container_run']).strip()
-print 'container:', container
+                                     '-d', 'txtorcon-tester', '/txtorcon/integration/timeout_tor_launch/container_run'],
+                                    text=True).strip()
+print('container:', container)
 def kill_container(container):
-    print "killing", container
+    print("killing", container)
     subprocess.check_output(['docker', 'kill', container])
 atexit.register(functools.partial(kill_container, container))
 
-print "waiting 15 seconds"
+print("waiting 15 seconds")
 time.sleep(15)
 
-print "gathering logs"
-logs = subprocess.check_output(['docker', 'logs', container])
+print("gathering logs")
+logs = subprocess.check_output(['docker', 'logs', container], text=True)
 
-print logs
+print(logs)
 if '/usr/sbin/tor' in logs:
     sys.exit(1)
 sys.exit(0)

setup.py

@@ -1,8 +1,5 @@
 # -*- coding: utf-8 -*-
 
-from __future__ import absolute_import
-from __future__ import print_function
-
 from os.path import join
 from os import listdir
 from setuptools import setup

test/test_controller.py

@@ -1,5 +1,4 @@
 import os
-import six
 import functools
 from os.path import join
 from unittest.mock import Mock, patch
@@ -1504,12 +1503,6 @@ def test_remove_unfound(self):
         yield self.tor.remove_onion_authentication("non_existing.onion")
         self.assertEqual(0, len(self.cfg.HidServAuth))
 
-    def test_context_manager_py2(self):
-        if not six.PY2:
-            return
-        with self.assertRaises(RuntimeError):
-            self.tor.onion_authentication("foo.onion", "token")
-
     @defer.inlineCallbacks
     def test_add_and_remove(self):
         yield self.tor.add_onion_authentication("foo.onion", "a_token")