tasks.py 文件源码

def skip_unknown_host(func):
    @functools.wraps(func)
    def _task(*args, **kwargs):
        if fab.env.get('host_string', False):
            return func(*args, **kwargs)
        fabricio.log(
            "'{func}' execution was skipped due to no host provided "
            "(command: {command})".format(
                func=func.__name__,
                command=fab.env.command,
            )
        )
    _task.wrapped = func  # compatibility with 'fab --display <task>' option
    return _task