misc: remove redis specific code (#82579)

It was used to aggregate statistics, those statistics are now part of
authentic2 standard features.

debian/control

@@ -13,7 +13,6 @@ Package: python3-authentic2-cut
 Architecture: all
 Depends: graphicsmagick-imagemagick-compat,
          python3-authentic2,
-         python3-django-redis,
          python3-magic,
          python3-pil,
          python3-sorl-thumbnail,

src/authentic2_cut/apps.py

@@ -593,18 +593,8 @@ class AppConfig(django.apps.AppConfig):
         if partner:
             user.attributes.validation_partner = partner
 
-    @property
-    def redis_client(self):
-        from django.core import cache
-
-        return cache.cache.client.get_client()
-
     def stat(self, *args):
-        t = now()
-        key = 'stat__%s%02d__' % (t.date(), t.hour)
-        key += '__'.join(args)
-        self.redis_client.expire(key, 3600 * 24 * 7)
-        self.redis_client.incr(key)
+        pass
 
     def cut_event_login(self, user, how, service=None, **kwargs):
         # log login for current user
@@ -617,7 +607,6 @@ class AppConfig(django.apps.AppConfig):
         if service:
             msg += ' pour %s' % service
         self.log_action(user, msg)
-        self.stat('login', method)
 
     def cut_event_registration(self, user, view, form, token, service, **kwargs):
         # log registration for current user
@@ -632,7 +621,6 @@ class AppConfig(django.apps.AppConfig):
             user.attributes.creation_partner = service
 
     def cut_event_sso_request(self, idp, service, **kwargs):
-        self.stat('sso-request', service.slug)
         from authentic2.middleware import StoreRequestMiddleware
 
         request = StoreRequestMiddleware.get_request()
@@ -644,7 +632,6 @@ class AppConfig(django.apps.AppConfig):
         self.log_action(user, msg)
         how = self.get_authentication_how()
         method = self.get_authentication_method(how)
-        self.stat('sso-success', service.slug, method or 'inconnu')
 
     def cut_event_cut_edit_core(self, user, form, **kwargs):
         if not form.has_changed():

tests/conftest.py

@@ -128,30 +128,6 @@ def pdf_file():
         yield fd.read()
 
 
-@pytest.fixture(autouse=True)
-def redis_client(monkeypatch):
-    from authentic2_cut.apps import AppConfig
-
-    class RedisClientMock:
-        def __init__(self):
-            self.contents = {}
-            self.timeouts = {}
-
-        def expire(self, key, delta):
-            if delta:
-                self.timeouts[key] = time.time() + delta
-            elif key in self.expire:
-                del self.timeouts[key]
-
-        def incr(self, key):
-            self.contents.setdefault(key, 0)
-            self.contents[key] += 1
-
-    redis_client = RedisClientMock()
-    monkeypatch.setattr(AppConfig, 'redis_client', redis_client)
-    yield redis_client
-
-
 @pytest.fixture(autouse=True)
 def clean_caches():
     from authentic2.apps.journal.models import event_type_cache