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class error(Exception):
"Usage error of the _continuation module."
import _continuation
class generator(object):
def __init__(self, callable):
self.__func__ = callable
def __get__(self, obj, type=None):
return generator(self.__func__.__get__(obj, type))
def __call__(self, *args, **kwds):
return genlet(self.__func__, *args, **kwds)
class genlet(_continuation.continulet):
def __iter__(self):
return self
def __next__(self, value=None):
res = self.switch(value)
if self.is_pending():
return res
else:
if res is not None:
raise TypeError("_continuation.generator must return None")
raise StopIteration
send = next
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