def executor(_):
    def wrapper(self, *args, **kwargs):
        command = args[0]
        getattr(self, command)(*args[1:], **kwargs)
    return wrapper


class Commands:
    @executor
    def do(self, *args, **kwargs):
        pass

    def svarit(self, count, sol=0):
        print('varim', count)
        print('sol', sol)

    def est(self, count, mayonaze=None):
        print('em', count)
        print('mayonaze', mayonaze)

c = Commands()
pipeline = [
    (('svarit', 5), {'sol': '2'}),
    (('est', 4), {'mayonaze': True})
]
for action in pipeline:
    c.do(*action[0], **action[1])