PluginsEntryPoint.prepare, move pick_* to display_ops

1 files changed, 6 insertions, 2 deletions

diff --git a/examples/plugins/letsencrypt_example_plugins.py b/examples/plugins/letsencrypt_example_plugins.py
index 11baf35a7..7c6d1311c 100644
--- a/examples/plugins/letsencrypt_example_plugins.py
+++ b/examples/plugins/letsencrypt_example_plugins.py
@@ -10,18 +10,22 @@ from letsencrypt.client.plugins import common
 
 
 class Authenticator(common.Plugin):
+    """Example Authenticator."""
     zope.interface.implements(interfaces.IAuthenticator)
+    zope.interface.classProvides(interfaces.IPluginFactory)
 
-    description = 'Example Authenticator plugin'
+    description = "Example Authenticator plugin"
 
     # Implement all methods from IAuthenticator, remembering to add
     # "self" as first argument, e.g. def prepare(self)...
 
 
 class Installer(common.Plugins):
+    """Example Installer."""
     zope.interface.implements(interfaces.IInstaller)
+    zope.interface.classProvides(interfaces.IPluginFactory)
 
-    description = 'Example Installer plugin'
+    description = "Example Installer plugin"
 
     # Implement all methods from IInstaller, remembering to add
     # "self" as first argument, e.g. def get_all_names(self)...