circuitpython/tests/basics/gen_yield_from_throw.py

31 lines
570 B
Python

def gen():
try:
yield 1
except ValueError:
print("got ValueError from upstream!")
yield "str1"
raise TypeError
def gen2():
print((yield from gen()))
g = gen2()
print(next(g))
print(g.throw(ValueError))
try:
print(next(g))
except TypeError:
print("got TypeError from downstream!")
# case where generator doesn't intercept the thrown/injected exception
def gen3():
yield 123
yield 456
g3 = gen3()
print(next(g3))
try:
g3.throw(StopIteration)
except StopIteration:
print('got StopIteration from downstream!')