kopia lustrzana https://github.com/micropython/micropython
67 wiersze
1.0 KiB
Python
67 wiersze
1.0 KiB
Python
class MyGen:
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def __init__(self):
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self.v = 0
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def __iter__(self):
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return self
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def __next__(self):
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self.v += 1
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if self.v > 5:
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raise StopIteration
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return self.v
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def gen():
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yield from MyGen()
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def gen2():
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yield from gen()
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print(list(gen()))
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print(list(gen2()))
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class Incrementer:
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def __iter__(self):
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return self
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def __next__(self):
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return self.send(None)
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def send(self, val):
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if val is None:
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return "Incrementer initialized"
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return val + 1
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def gen3():
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yield from Incrementer()
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g = gen3()
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print(next(g))
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print(g.send(5))
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print(g.send(100))
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#
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# Test proper handling of StopIteration vs other exceptions
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#
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class MyIter:
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def __iter__(self):
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return self
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def __next__(self):
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raise StopIteration(42)
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def gen4():
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global ret
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ret = yield from MyIter()
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1//0
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ret = None
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try:
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print(list(gen4()))
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except ZeroDivisionError:
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print("ZeroDivisionError")
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print(ret)
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