do not rely on pkg_resources (#46476)

README

@@ -20,6 +20,11 @@ the django-mellon adapter:
 And appropriate django-mellon parameters (MELLON_PUBLIC_KEYS,
 MELLON_PRIVATE_KEY, MELLON_IDENTITY_PROVIDERS).
 
+You also have to register the plugin:
+
+  INSTALLED_APPS += ('authentic2_auth_fedict')
+  AUTHENTICATION_BACKENDS += ('authentic2_auth_fedict.backends.FedictBackend',)
+
 
 Code Style
 ----------

check-migrations.sh

@@ -12,6 +12,7 @@ DATABASES = {
         'ENGINE': 'django.db.backends.dummy',
     }
 }
+INSTALLED_APPS += ('authentic2_auth_fedict',)
 EOF
 TEMPFILE=`mktemp`
 trap "rm -f ${TEMPFILE} ${CHECK_MIGRATIONS_SETTINGS}" EXIT

setup.py

@@ -98,11 +98,6 @@ setup(
     install_requires=[
         'authentic2',
     ],
-    entry_points={
-        'authentic2.plugin': [
-            'authentic2-auth-fedict = authentic2_auth_fedict.apps:Plugin',
-        ],
-    },
     cmdclass={
         'build': build,
         'install_lib': install_lib,

src/authentic2_auth_fedict/apps.py

@@ -37,6 +37,9 @@ class AppConfig(AppConfig):
                 user = kwargs.get('user')
                 user.backend = 'authentic2_auth_fedict.backends.FedictBackend'
 
+    def get_a2_plugin(self):
+        return Plugin()
+
 
 class Plugin:
     def get_before_urls(self):
@@ -44,12 +47,6 @@ class Plugin:
 
         return urls.urlpatterns
 
-    def get_apps(self):
-        return ['mellon', 'authentic2_auth_fedict']
-
-    def get_authentication_backends(self):
-        return ['authentic2_auth_fedict.backends.FedictBackend']
-
     def registration_form_prefill(self, request):
         if request.token.get('first_name'):
             return [

tests/settings.py

@@ -36,5 +36,8 @@ MELLON_ATTRIBUTE_MAPPING = {
     "first_name": "{attri,butes[givenName][0]}",
 }
 
+INSTALLED_APPS += ('authentic2_auth_fedict',)
+AUTHENTICATION_BACKENDS += ('authentic2_auth_fedict.backends.FedictBackend',)
+
 # test hook handlers
 A2_HOOKS_PROPAGATE_EXCEPTIONS = True