aria.py 文件源码

def set_cli_except_hook():
    def recommend(possible_solutions):
        logger.info('Possible solutions:')
        for solution in possible_solutions:
            logger.info('  - {0}'.format(solution))

    def new_excepthook(tpe, value, trace):
        if env.logging.is_high_verbose_level():
            # log error including traceback
            logger.error(get_exception_as_string(tpe, value, trace))
        else:
            # write the full error to the log file
            with open(env.logging.log_file, 'a') as log_file:
                traceback.print_exception(
                    etype=tpe,
                    value=value,
                    tb=trace,
                    file=log_file)
            # print only the error message
            print value

        if hasattr(value, 'possible_solutions'):
            recommend(getattr(value, 'possible_solutions'))

    sys.excepthook = new_excepthook