Merge pull request #3324 from volundmush/signal_refactor

SIGNAL_ACCOUNT_POST_LOGIN_FAIL is now properly used. Added a CUSTOM_S…

evennia/accounts/accounts.py

@@ -33,6 +33,7 @@ from evennia.server.signals import (
     SIGNAL_ACCOUNT_POST_CREATE,
     SIGNAL_OBJECT_POST_PUPPET,
     SIGNAL_OBJECT_POST_UNPUPPET,
+    SIGNAL_ACCOUNT_POST_LOGIN_FAIL,
 )
 from evennia.server.throttle import Throttle
 from evennia.typeclasses.attributes import ModelAttributeBackend, NickHandler
@@ -676,6 +677,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
             if session:
                 account = AccountDB.objects.get_account_from_name(username)
                 if account:
+                    SIGNAL_ACCOUNT_POST_LOGIN_FAIL.send(sender=account, session=session)
                     account.at_failed_login(session)
 
             return None, errors

evennia/server/signals.py

@@ -21,6 +21,7 @@ without necessitating a full takeover of hooks that may be in high demand.
 
 """
 from django.dispatch import Signal
+from collections import defaultdict
 
 # The sender is the created Account. This is triggered at the very end of
 # Account.create() after the Account is created. Note that this will *not* fire
@@ -91,6 +92,14 @@ SIGNAL_CHANNEL_POST_CREATE = Signal()
 # Called just after at_traverse hook.
 SIGNAL_EXIT_TRAVERSED = Signal()
 
+# Used as a generic event emitter. Use to make your own signals easily in one place!
+# To use it, import SIGNALS_CUSTOM and use it like a dictionary of Signal objects.
+# Example:
+# from evennia.utils.signals import SIGNALS_CUSTOM
+# SIGNALS_CUSTOM['my_signal'].connect(my_callback)
+# SIGNALS_CUSTOM['my_signal'].send(sender, **kwargs)
+SIGNALS_CUSTOM: dict[str, Signal] = defaultdict(Signal)
+
 # Django default signals (https://docs.djangoproject.com/en/4.1/topics/signals/)
 
 from django.core.signals import request_finished  # "             ends.