Support stopping propagation of events (#622)

2025-08-09 05:19:41 +00:00 · 2018-02-27 11:30:42 +01:00
parent 29f10f2771
commit 0b662f3b04
3 changed files with 59 additions and 1 deletions
--- a/telethon/telegram_client.py
+++ b/telethon/telegram_client.py
@@ -1885,7 +1885,15 @@ class TelegramClient(TelegramBareClient):
            event = builder.build(update)
            if event:
                event._client = self
-                callback(event)
+                try:
+                    callback(event)
+                except events.StopPropagation:
+                    __log__.debug(
+                        "Event handler '{}' stopped chain of "
+                        "propagation for event {}."
+                        .format(callback.__name__, type(event).__name__)
+                    )
+                    break

    def add_event_handler(self, callback, event=None):
        """