run_container.py

def run_container(**kwargs):
    if kwargs['once']:
        ctrs = s.containers(
            image=kwargs['image'],
            command=kwargs['command']
        )
        if len(ctrs) == 1:
            return s.inspect(ctrs[0])[0]
    else:
        ctr = s.run(**kwargs)
        return s.inspect(ctr[0])[0]