def __next__(self):
try:
self.rotate_current()
except:
try:
self.next_chain()
except:
self.reset()
next(self)
raise StopIteration
return pfi(self)
def next_chain(self):
self.clear()
try:
chain = pfi(next(self.chains))
for link in chain:
if type(link) == Scalar:
self.append(str(link))
else:
sum = generator(link)
self.append(sum)
next(sum)
else:
pass
except BaseException as e:
raise StopIteration
def getiter(self):
return pfi(self, Sum)
def __init__(self, iterable):
self.chains = pfi(iterable if type(iterable) ==
Sum else Sum([iterable]))
self.baseState = self.chains.getState()
self = []
def getiter(self):
return pfi(self, Chain)