code: def setup_logging(handler, exclude=EXCLUDE_LOGGER_DEFAULTS):
      
      logger = logging.getLogger()
      if handler.__class__ in map(type, logger.handlers):
          return False
  
      logger.addHandler(handler)
  
      # Add StreamHandler to sentry's default so you can catch missed exceptions
      for logger_name in exclude:
          logger = logging.getLogger(logger_name)
          logger.propagate = False
          logger.addHandler(logging.StreamHandler())
  
      return True
docs: Configures logging to pipe to Sentry.
  
      - ``exclude`` is a list of loggers that shouldn't go to Sentry.
  
      For a typical Python install:
  
      >>> from raven.handlers.logging import SentryHandler
      >>> client = Sentry(...)
      >>> setup_logging(SentryHandler(client))
  
      Within Django:
  
      >>> from raven.contrib.django.handlers import SentryHandler
      >>> setup_logging(SentryHandler())
  
      Returns a boolean based on if logging was configured or not.