Reimplement Certbot zope.interfaces into abstract base classes (#8950)

* Implement certbot services

* Various fixes

* Local oldest requirements

* Clean imports

* Add unit tests for certbot.services

* Clean code

* Protect against nullity of global services

* Fix CLI

* Fix tests

* Consistent test behavior

* Define new ABC classes

* Reimplement services with new ABC classes

* Adapt plugins discovery and selection

* Remove zope interfaces from plugins

* Re-enable delegation for simplicity

* Fix interfaces declaration

* Remove interface implementer

* Interfaces ordering

* Extract zope logic from discovery

* Cleanup imports

* Fixing tests

* Fix main_test

* Finish certbot unit tests

* Fix lint

* Various fixes thanks to mypy

* Fix lint

* Order imports

* Various fixes

* Clean code

* Remove reporter service, migrate display service in certbot.display.util.

* Fix test

* Fix apache compatibility test

* Fix oldest test

* Setup certbot.display.service module

* Reintegrate in util

* Fix imports

* Fix tests and documentation

* Refactor

* Cleanup

* Cleanup

* Clean imports

* Add unit tests

* Borrow sphinx build fix from #8863

* Align zope interfaces on ABC

* Various fixes

* Fix type

* Fix type

* Some cleanup

* Fix lint

* Update certbot/certbot/_internal/configuration.py

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

* Update certbot/certbot/_internal/configuration.py

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

* Fix imports

* Fix Config contract (accounts_dir property)

* Remove unnecessary interface

* Set NamespaceConfig public, remove Config interface

* Remove Display ABC and implementation of IDisplay

* Clean lint

* Cleanup old decorators

* Contract on plugin constructor only

* Update certbot/certbot/tests/util.py

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

* Update certbot/certbot/configuration.py

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

* Update certbot/certbot/interfaces.py

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

* Some corrections

* Add changelog

* Fix --authenticators and --installers flags on plugins subcommand

* Fix multiheritance on the interface Plugin

* Update certbot/certbot/_internal/plugins/manual.py

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

* Update certbot/certbot/_internal/plugins/disco.py

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

* Add warnings in logger also

* Add deprecation warnings also when plugins are verified.

Co-authored-by: Brad Warren <bmw@users.noreply.github.com>

certbot/examples/plugins/certbot_example_plugins.py

@@ -3,15 +3,11 @@
 For full examples, see `certbot.plugins`.
 
 """
-import zope.interface
-
 from certbot import interfaces
 from certbot.plugins import common
 
 
-@zope.interface.implementer(interfaces.IAuthenticator)
-@zope.interface.provider(interfaces.IPluginFactory)
-class Authenticator(common.Plugin):
+class Authenticator(common.Plugin, interfaces.Authenticator):
     """Example Authenticator."""
 
     description = "Example Authenticator plugin"
@@ -20,9 +16,7 @@ class Authenticator(common.Plugin):
     # "self" as first argument, e.g. def prepare(self)...
 
 
-@zope.interface.implementer(interfaces.IInstaller)
-@zope.interface.provider(interfaces.IPluginFactory)
-class Installer(common.Plugin):
+class Installer(common.Plugin, interfaces.Installer):
     """Example Installer."""
 
     description = "Example Installer plugin"