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Allow to cancel event from the Middleware.on_pre_process_<event type>

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Alex Root Junior 2018-01-12 17:44:54 +02:00
parent 163ca0d53a
commit 856b9e864f
1 changed files with 5 additions and 1 deletions
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6
aiogram/dispatcher/handler.py
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@ -60,7 +60,11 @@ class Handler:
results = []
if self.middleware_key:
await self.dispatcher.middleware.trigger(f"pre_process_{self.middleware_key}", args)
try:
await self.dispatcher.middleware.trigger(f"pre_process_{self.middleware_key}", args)
except CancelHandler: # Allow to cancel current event
return results
for filters, handler in self.handlers:
if await check_filters(filters, args):
try: