aiogram/docs/dispatcher/class_based_handlers/error.rst

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2021-02-07 18:50:26 +02:00
============
ErrorHandler
============
There is base class for error handlers.
Simple usage
============
.. code-block:: python
from aiogram.handlers import ErrorHandler
...
@router.errors()
class MyHandler(ErrorHandler):
async def handle(self) -> Any:
log.exception(
"Cause unexpected exception %s: %s",
self.exception_name,
self.exception_message
)
Extension
=========
This base handler is subclass of :ref:`BaseHandler <cbh-base-handler>` with some extensions:
- :code:`self.exception_name` is alias for :code:`self.event.__class__.__name__`
- :code:`self.exception_message` is alias for :code:`str(self.event)`