__init__.py 文件源码

def set_logging_config(config, debug, verbosity, uncaught_logger, uncaught_handler):
    # configure logging globally
    import logging.config as logconfig
    logconfig.dictConfig(config)

    # make sure we log any warnings
    log.captureWarnings(True)

    import warnings

    categories = (DeprecationWarning, PendingDeprecationWarning)
    if verbosity > 2:
        warnings.simplefilter("always")
    elif debug or verbosity > 0:
        for category in categories:
            warnings.simplefilter("always", category=category)

    # make sure we also log any uncaught exceptions
    if uncaught_logger is None:
        logger = log.getLogger(__name__)
    else:
        logger = log.getLogger(uncaught_logger)

    if uncaught_handler is None:
        def exception_logger(exc_type, exc_value, exc_tb):
            logger.error("Uncaught exception", exc_info=(exc_type, exc_value, exc_tb))

        uncaught_handler = exception_logger
    sys.excepthook = uncaught_handler

    return logger