testbed/aws-powertools__powertools-lambda-python/aws_lambda_powertools/logging/constants.py

# logger.powertools_handler is set with Powertools Logger handler; useful when there are many handlers
LOGGER_ATTRIBUTE_POWERTOOLS_HANDLER = "powertools_handler"
# logger.init attribute is set when Logger has been configured
LOGGER_ATTRIBUTE_PRECONFIGURED = "init"
LOGGER_ATTRIBUTE_HANDLER = "logger_handler"