Denote a couple of variables are private with a leading underscore
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@@ -102,16 +102,16 @@ class ServiceSwitcher(ParallelPipeline, Generic[StrategyType]):
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"""Initialize the service switcher filter with a strategy and direction."""
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"""Initialize the service switcher filter with a strategy and direction."""
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async def filter(_: Frame) -> bool:
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async def filter(_: Frame) -> bool:
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return self.wrapped_service == self.active_service
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return self._wrapped_service == self._active_service
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super().__init__(filter, direction)
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super().__init__(filter, direction)
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self.wrapped_service = wrapped_service
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self._wrapped_service = wrapped_service
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self.active_service = active_service
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self._active_service = active_service
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async def process_frame(self, frame, direction):
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async def process_frame(self, frame, direction):
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"""Process a frame through the filter, handling special internal filter-updating frames."""
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"""Process a frame through the filter, handling special internal filter-updating frames."""
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if isinstance(frame, ServiceSwitcher.ServiceSwitcherFilterFrame):
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if isinstance(frame, ServiceSwitcher.ServiceSwitcherFilterFrame):
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self.active_service = frame.active_service
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self._active_service = frame.active_service
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# Two ServiceSwitcherFilters "sandwich" a service. Push the
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# Two ServiceSwitcherFilters "sandwich" a service. Push the
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# frame only to update the other side of the sandwich, but
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# frame only to update the other side of the sandwich, but
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# otherwise don't let it leave the sandwich.
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# otherwise don't let it leave the sandwich.
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