def check_command(command):
    def wrapper(task):
        @functools.wraps(task)
        def wrapped(*args, **kwargs):
            with settings(warn_only=True):
                succeeded = run(command).succeeded
            if succeeded:
                print colors.green('Command "{}" succeeded. Skipping the '
                                   '"{}" task'
                                   .format(command, task.__name__))
            else:
                task(*args, **kwargs)
        return wrapped
    return wrapper
Computes the permutations' key based on the given combination
dataset/ETHPy150Open ipeirotis/Mturk-Tracker/deployment/modules/centos.py/check_command--crossover with--dataset/ETHPy150Open zynga/jasy/jasy/core/Permutation.py/Permutation.__buildKey