Use robust plugin calling in runperiodic

src/pretix/base/management/commands/runperiodic.py

@@ -1,3 +1,4 @@
+from django.conf import settings
 from django.core.management import call_command
 from django.core.management.base import BaseCommand
 
@@ -8,5 +9,12 @@ class Command(BaseCommand):
     help = "Run periodic tasks"
 
     def handle(self, *args, **options):
-        periodic_task.send(self)
+        for recv, resp in periodic_task.send_robust(self):
+            if isinstance(resp, Exception):
+                if settings.SENTRY_ENABLED:
+                    from sentry_sdk import capture_exception
+                    capture_exception(resp)
+                else:
+                    raise resp
+
         call_command('clearsessions')

src/pretix/settings.py

@@ -601,12 +601,14 @@ LOGGING = {
     },
 }
 
+SENTRY_ENABLED = False
 if config.has_option('sentry', 'dsn'):
     import sentry_sdk
     from sentry_sdk.integrations.celery import CeleryIntegration
     from sentry_sdk.integrations.logging import LoggingIntegration, ignore_logger
     from .sentry import PretixSentryIntegration, setup_custom_filters
 
+    SENTRY_ENABLED = True
     sentry_sdk.init(
         dsn=config.get('sentry', 'dsn'),
         integrations=[