51 lines
1.0 KiB
Python
51 lines
1.0 KiB
Python
def gen():
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try:
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yield 1
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except ValueError as e:
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print("got ValueError from upstream!", repr(e.args))
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yield "str1"
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raise TypeError
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def gen2():
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print((yield from gen()))
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g = gen2()
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print(next(g))
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print(g.throw(ValueError))
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try:
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print(next(g))
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except TypeError:
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print("got TypeError from downstream!")
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# passing None as second argument to throw
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g = gen2()
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print(next(g))
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print(g.throw(ValueError, None))
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try:
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print(next(g))
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except TypeError:
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print("got TypeError from downstream!")
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# passing an exception instance as second argument to throw
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g = gen2()
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print(next(g))
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print(g.throw(ValueError, ValueError(123)))
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try:
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print(next(g))
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except TypeError:
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print("got TypeError from downstream!")
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# thrown value is caught and then generator returns normally
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def gen():
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try:
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yield 123
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except ValueError:
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print('ValueError')
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# return normally after catching thrown exception
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def gen2():
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yield from gen()
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yield 789
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g = gen2()
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print(next(g))
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print(g.throw(ValueError))
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