from pretix.base.signals import EventPluginSignal """ This signal is sent out to build configuration forms for all restriction formsets (see plugin API documentation for details). """ restriction_formset = EventPluginSignal( providing_args=["item"] ) """ This signal is sent out to include code into the HTML tag """ html_head = EventPluginSignal( providing_args=["request"] ) """ This signal is sent out to include navigation items in the event admin """ nav_event = EventPluginSignal( providing_args=["request"] )