Revert "Update redis requirement from ==7.4.* to ==8.0.* (#6226)"

This reverts commit 005b3864b1.

pyproject.toml

@@ -91,7 +91,7 @@ dependencies = [
   "pytz-deprecation-shim==0.1.*",
   "pyuca",
   "qrcode==8.2",
-  "redis==8.0.*",
+  "redis==7.4.*",
   "reportlab==5.0.*",
   "requests==2.34.*",
   "sentry-sdk==2.64.*",

src/pretix/base/services/quotas.py

@@ -193,7 +193,7 @@ class QuotaAvailability:
         lock_name = '_'.join([str(p) for p in sorted([q.pk for q in quotas])])
         if rc.exists(f'quotas:availabilitycachewrite:{lock_name}{self._cache_key_suffix}'):
             return
-        rc.set(f'quotas:availabilitycachewrite:{lock_name}{self._cache_key_suffix}', '1', ex=10)
+        rc.setex(f'quotas:availabilitycachewrite:{lock_name}{self._cache_key_suffix}', '1', 10)
 
         update = defaultdict(list)
         for q in quotas:

src/pretix/control/views/auth.py

@@ -330,7 +330,7 @@ class Forgot(TemplateView):
                         user.log_action('pretix.control.auth.user.forgot_password.denied.repeated')
                         raise RepeatedResetDenied()
                     else:
-                        rc.set('pretix_pwreset_%s' % (user.id), '1', ex=3600 * 24)
+                        rc.setex('pretix_pwreset_%s' % (user.id), 3600 * 24, '1')
 
             except User.DoesNotExist:
                 logger.warning('Backend password reset for unregistered e-mail \"' + email + '\" requested.')

src/pretix/presale/views/user.py

@@ -71,7 +71,7 @@ class ResendLinkView(EventViewMixin, TemplateView):
                                           'that you used the correct email address.').format(number=24))
                 return redirect_to_url(eventreverse(self.request.event, 'presale:event.resend_link'))
             else:
-                rc.set('pretix_resend_{}_{}'.format(request.event.pk, user), '1', ex=3600 * 24)
+                rc.setex('pretix_resend_{}_{}'.format(request.event.pk, user), 3600 * 24, '1')
 
         orders = self.request.event.orders.filter(email__iexact=user)
 

src/tests/control/test_auth.py

@@ -523,7 +523,7 @@ class FakeRedis(object):
     def exists(self, rkey):
         return rkey in self.storage
 
-    def set(self, rkey, value, **kwargs):
+    def setex(self, rkey, value, expiration):
         self.storage[rkey] = value
 
     def execute(self):