common.Plugin (with .conf(var), PluginEntryPoint, PluginRegistry

examples/plugins/letsencrypt_example_plugins.py

@@ -1,18 +1,27 @@
-"""Example Let's Encrypt plugins."""
+"""Example Let's Encrypt plugins.
+
+For full examples, see `letsencrypt.client.plugins`.
+
+"""
 import zope.interface
 
 from letsencrypt.client import interfaces
+from letsencrypt.client.plugins import common
 
 
-class Authenticator(object):
+class Authenticator(common.Plugin):
     zope.interface.implements(interfaces.IAuthenticator)
 
     description = 'Example Authenticator plugin'
 
-    def __init__(self, config):
-        self.config = config
-
     # Implement all methods from IAuthenticator, remembering to add
     # "self" as first argument, e.g. def prepare(self)...
 
-    # For full examples, see letsencrypt.client.plugins
+
+class Installer(common.Plugins):
+    zope.interface.implements(interfaces.IInstaller)
+
+    description = 'Example Installer plugin'
+
+    # Implement all methods from IInstaller, remembering to add
+    # "self" as first argument, e.g. def get_all_names(self)...

examples/plugins/setup.py

@@ -10,7 +10,8 @@ setup(
     ],
     entry_points={
         'letsencrypt.plugins': [
-            'example = letsencrypt_example_plugins:Authenticator',
+            'example_authenticator = letsencrypt_example_plugins:Authenticator',
+            'example_installer = letsencrypt_example_plugins:Installer',
         ],
     },
 )