Python类TypeError:非序列上的迭代
我在file1.py中有以下类Python类TypeError:非序列上的迭代,python,class,Python,Class,我在file1.py中有以下类 class api: def server(self): DEFAULT_SERVER = socket.gethostname() try: SATELLITE_SERVER = raw_input('Enter RedHat Satellite Server Name [%s]: ' % DEFAULT_SERVER) except KeyboardInterrupt: print "" sys.
class api:
def server(self):
DEFAULT_SERVER = socket.gethostname()
try:
SATELLITE_SERVER = raw_input('Enter RedHat Satellite Server Name [%s]: ' % DEFAULT_SERVER)
except KeyboardInterrupt:
print ""
sys.exit(1)
if not SATELLITE_SERVER:
SATELLITE_SERVER = DEFAULT_SERVER
try:
SATELLITE_URL = 'http://' + SATELLITE_SERVER + '/rpc/api'
CLIENT = xmlrpclib.Server(SATELLITE_URL, verbose=0)
print "Welcome to RedHat Satellite Server %s" % CLIENT.api.systemVersion()
except socket.error, e:
print "Incorrect Server Name -", e
sys.exit(1)
return CLIENT
def username(self):
DEFAULT_LOGIN = getpass.getuser()
try:
SATELLITE_LOGIN = raw_input("Enter RedHat Satellite Login Name [%s]: " % DEFAULT_LOGIN)
except KeyboardInterrupt:
print ""
sys.exit(1)
if not SATELLITE_LOGIN:
SATELLITE_LOGIN = DEFAULT_LOGIN
return SATELLITE_LOGIN
def password(self):
try:
SATELLITE_PASSWORD = getpass.getpass("Enter Your Password: ")
except KeyboardInterrupt:
print ""
sys.exit(1)
if not SATELLITE_PASSWORD:
self.password()
return SATELLITE_PASSWORD
def __init__(self):
CLIENT = self.server()
SATELLITE_LOGIN = self.username()
SATELLITE_PASSWORD = self.password()
KEY = CLIENT.auth.login(SATELLITE_LOGIN, SATELLITE_PASSWORD)
def __new__(self):
return (self.KEY, self.CLIENT)
我在file2.py中调用这个类
KEY, CLIENT = file1.api()
print KEY
print CLIENT
当我执行file2.py时,我得到了错误
Traceback (most recent call last):
File "./test.py", line 24, in <module>
KEY, CLIENT = satelliteapi.api()
TypeError: iteration over non-sequence
回溯(最近一次呼叫最后一次):
文件“/test.py”,第24行,在
KEY,CLIENT=satellitapi.api()
TypeError:非序列上的迭代
我不确定我做错了什么,可能是因为从类中重新调整了值,可能是新的,在这种情况下,返回的方式不正确。请帮助。从本质上讲,覆盖
\uuuuu new\uuuu
是你应该做的事情。如果您只是想轻松地解压键
和客户端
值,可以执行以下操作:
class api(object):
....
def __iter__(self):
return (value for value in (self.KEY, self.CLIENT))
\uuuu iter\uuuu
是一种特殊的方法,用于定义类是否可以迭代。它返回一个迭代器
实例(在本例中为生成器
),该实例可用作对象的“序列”表示。对这个话题有很好的解释
如果您想使其更加明确,可以执行以下操作:
class api(object):
....
def get_key_and_client(self):
return self.KEY, self.CLIENT
def __iter__(self):
return (value for value in self.get_key_and_client())
这使您无需实际使用迭代器即可获得相同的信息,并使迭代器成为
get\u key\u and\u client()
方法的别名。satellitapi.api()返回什么?这是什么版本的python?satellitapi
来自哪里?还有什么是self.KEY
和self.CLIENT
?类实例化应该始终返回类的实例(如您所想象的)。如果你只是想要元组,为什么不使用一个函数来创建两个对象(客户机和键)并返回它们,而不是一个类呢?抱歉@Hoopdady和Padraic,这是一个拼写错误,我已经纠正了。这是file1.api()遇到了一个错误TypeError:\uuuuuIter\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu。我将答案编辑为正确答案,但肯定有一个方法符合javidcf的答案,或者我的第二个示例是更清晰的选项。