conftest.py 文件源码

def vm_logger():
    logger = logging.getLogger('evm')

    handler = logging.StreamHandler(sys.stdout)

    # level = logging.TRACE
    # level = logging.DEBUG
    level = logging.INFO

    logger.setLevel(level)
    handler.setLevel(level)

    logger.addHandler(handler)

    return logger


# Uncomment this to have logs from tests written to a file.  This is useful for
# debugging when you need to dump the VM output from test runs.