我试图列出一个类序列的对象列表。但是init_seqs[i].seq对于所有列表都是相同的(因为init_seqs[i].seq覆盖init_seqs[i-1].seq),其他属性保持不变。下面是我的代码。请让我知道我在哪里犯错
class Sequence(object):
def __init__(self, seq, make_span):
self.seq=seq
self.make_span=make_span
def getMake_span(self):
return self.make_span
def __cmp__(self,other):
other_makespan=other.getMake_span()
if self.getMake_span()>other_makespan:
return 1
if self.getMake_span()<other_makespan:
return -1
else:
return 0
class FlowShopGA(object):
....
....
def createPopultation(self):
init_seqs=[]
jobs=list(xrange(self.numJobs))
for i in xrange(self.POPULATION_SIZE):
random.shuffle(jobs)
r = Sequence(jobs,self.calc_MakeSpan(jobs))
init_seqs.append(r)
sort_init_seqs = sorted(init_seqs, key=lambda Sequence: Sequence.make_span)
self.seqs = sort_init_seqs[:self.EVOLVING_POPULATION_Size]
所有实例都被传递给同一个对象。先复印
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