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LoggerEventBusMiddleware prints completed event summaries and can also write them to disk.

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Constructor params

  • log_path: optional filesystem path for log output

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Setup with EventBus

from bubus import EventBus
from bubus.middlewares import LoggerEventBusMiddleware

bus = EventBus(
    name='AppBus',
    middlewares=[LoggerEventBusMiddleware('./events.log')],
)

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Behavior

  • Logs event summaries when events complete.
  • Always prints to stdout.
  • If log_path is provided, appends the same summary lines to the file.
  • Creates parent directories for the log file automatically.