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30 lines
830 B
Python
30 lines
830 B
Python
class BaseMiddleware:
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"""
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Base class for middleware.
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Your middlewares should be inherited from this class.
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"""
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def __init__(self):
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pass
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async def pre_process(self, message, data):
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raise NotImplementedError
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async def post_process(self, message, data, exception):
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raise NotImplementedError
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class State:
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def __init__(self) -> None:
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self.name = None
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def __str__(self) -> str:
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return self.name
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class StatesGroup:
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def __init_subclass__(cls) -> None:
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# print all variables of a subclass
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for name, value in cls.__dict__.items():
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if not name.startswith('__') and not callable(value) and isinstance(value, State):
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# change value of that variable
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value.name = ':'.join((cls.__name__, name))
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