-class iterproxy(object):
- # Makes sure iter(real).next() is called immediately, in order to
- # let generator code run.
- def __init__(self, real):
- self.bk = real
- self.bki = iter(real)
- self._next = [None]
- self.next()
-
- def __iter__(self):
- return self
-
- def next(self):
- if self._next is None:
- raise StopIteration()
- ret = self._next[0]
- try:
- self._next[:] = [self.bki.next()]
- except StopIteration:
- self._next = None
- return ret
-
- def close(self):
- if hasattr(self.bk, "close"):
- self.bk.close()
-