__author__ = 'root'
from urlparse import urlparse
class host_news():
def __init__(self, id, url):
self.id = id
urlinfo = urlparse(url)
self.host = urlinfo.hostname
self.url = url
def __init__(self, id, host, url):
self.id = id
self.host = host
self.url = url
def __eq__(self, other):
return self.host == other.host
def __hash__(self):
return self.host.__hash__()
def __str__(self):
return 'id:%s host:%s url:%s' % (self.id, self.host, self.url)
if __name__ == '__main__':
o1 = host_news(0, 'www'*2, 'www.1')
o2 = host_news(0, 'www'*2, '100')
o3 = host_news(1, 'qqq'*2, '10000')
print o1 is o2
print o1 == o2
t = [o1, o3]
print o2 in t
# 注释掉__hash__ __eq__ 结果就全是false