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26 lines
865 B
ReStructuredText
26 lines
865 B
ReStructuredText
.. _cbh-base-handler:
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===========
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BaseHandler
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===========
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Base handler is generic abstract class and should be used in all other class-based handlers.
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Import: :code:`from aiogram.handlers import BaseHandler`
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By default you will need to override only method :code:`async def handle(self) -> Any: ...`
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This class also has a default initializer and you don't need to change it.
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The initializer accepts the incoming event and all contextual data, which
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can be accessed from the handler through attributes: :code:`event: TelegramEvent` and :code:`data: Dict[str, Any]`
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If an instance of the bot is specified in context data or current context it can be accessed through *bot* class attribute.
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Example
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=======
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.. code-block:: python
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class MyHandler(BaseHandler[Message]):
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async def handle(self) -> Any:
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await self.event.answer("Hello!")
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