Python 3 support for certonly

certbot/plugins/disco.py

@@ -3,6 +3,7 @@ import collections
 import itertools
 import logging
 import pkg_resources
+import six
 
 import zope.interface
 import zope.interface.verify
@@ -194,12 +195,12 @@ class PluginsRegistry(collections.Mapping):
     def init(self, config):
         """Initialize all plugins in the registry."""
         return [plugin_ep.init(config) for plugin_ep
-                in self._plugins.itervalues()]
+                in six.itervalues(self._plugins)]
 
     def filter(self, pred):
         """Filter plugins based on predicate."""
         return type(self)(dict((name, plugin_ep) for name, plugin_ep
-                               in self._plugins.iteritems() if pred(plugin_ep)))
+                               in six.iteritems(self._plugins) if pred(plugin_ep)))
 
     def visible(self):
         """Filter plugins based on visibility."""
@@ -216,7 +217,7 @@ class PluginsRegistry(collections.Mapping):
 
     def prepare(self):
         """Prepare all plugins in the registry."""
-        return [plugin_ep.prepare() for plugin_ep in self._plugins.itervalues()]
+        return [plugin_ep.prepare() for plugin_ep in six.itervalues(self._plugins)]
 
     def available(self):
         """Filter plugins based on availability."""
@@ -238,7 +239,7 @@ class PluginsRegistry(collections.Mapping):
 
         """
         # use list instead of set because PluginEntryPoint is not hashable
-        candidates = [plugin_ep for plugin_ep in self._plugins.itervalues()
+        candidates = [plugin_ep for plugin_ep in six.itervalues(self._plugins)
                       if plugin_ep.initialized and plugin_ep.init() is plugin]
         assert len(candidates) <= 1
         if candidates:
@@ -249,7 +250,7 @@ class PluginsRegistry(collections.Mapping):
     def __repr__(self):
         return "{0}({1})".format(
             self.__class__.__name__, ','.join(
-                repr(p_ep) for p_ep in self._plugins.itervalues()))
+                repr(p_ep) for p_ep in six.itervalues(self._plugins)))
 
     def __str__(self):
         if not self._plugins:

certbot/plugins/manual.py

@@ -10,6 +10,7 @@ import sys
 import tempfile
 import time
 
+import six
 import zope.component
 import zope.interface
 
@@ -187,7 +188,7 @@ s.serve_forever()" """
         #answer = zope.component.getUtility(interfaces.IDisplay).notification(
         #    message=message, height=25, pause=True)
         sys.stdout.write(message)
-        raw_input("Press ENTER to continue")
+        six.moves.input("Press ENTER to continue")
 
     def cleanup(self, achalls):
         # pylint: disable=missing-docstring,no-self-use,unused-argument

certbot/plugins/selection.py

@@ -84,7 +84,7 @@ def pick_plugin(config, default, plugins, question, ifaces):
         else:
             return plugin_ep.init()
     elif len(prepared) == 1:
-        plugin_ep = prepared.values()[0]
+        plugin_ep = list(prepared.values())[0]
         logger.debug("Single candidate plugin: %s", plugin_ep)
         if plugin_ep.misconfigured:
             return None