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Merged
youknowone merged 6 commits into from
Apr 25, 2024
Merged

Async for comprehension #5276

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2856aff
Begin async list comprehension implementation
aaronclong Mar 6, 2021
61f37b1
implement async for function in compiler
HyeockJinKim Aug 25, 2021
f3501f4
Basic async for comprehension support
youknowone Apr 25, 2024
b58bdc9
Uncomment async for tests
youknowone Apr 25, 2024
f6d8804
Uncomment test_grammar tests
youknowone Apr 25, 2024
408459b
vm runtime debug prints
youknowone Apr 25, 2024
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Uncomment async for tests
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@youknowone
youknowone committed Apr 25, 2024
commit b58bdc9e328f7e34b21bdd5f6b82b3c7f9836da6
46 changes: 23 additions & 23 deletions Lib/test/test_asyncgen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -513,16 +513,15 @@ def __anext__(self):
return self.yielded
self.check_async_iterator_anext(MyAsyncIterWithTypesCoro)

# TODO: RUSTPYTHON: async for gen expression compilation
# def test_async_gen_aiter(self):
# async def gen():
# yield 1
# yield 2
# g = gen()
# async def consume():
# return [i async for i in aiter(g)]
# res = self.loop.run_until_complete(consume())
# self.assertEqual(res, [1, 2])
def test_async_gen_aiter(self):
async def gen():
yield 1
yield 2
g = gen()
async def consume():
return [i async for i in aiter(g)]
res = self.loop.run_until_complete(consume())
self.assertEqual(res, [1, 2])

# TODO: RUSTPYTHON, NameError: name 'aiter' is not defined
@unittest.expectedFailure
Expand Down Expand Up @@ -1569,22 +1568,23 @@ async def main():
self.assertIn('unhandled exception during asyncio.run() shutdown',
message['message'])

# TODO: RUSTPYTHON: async for gen expression compilation
# def test_async_gen_expression_01(self):
# async def arange(n):
# for i in range(n):
# await asyncio.sleep(0.01)
# yield i
# TODO: RUSTPYTHON; TypeError: object async_generator can't be used in 'await' expression
@unittest.expectedFailure
def test_async_gen_expression_01(self):
async def arange(n):
for i in range(n):
await asyncio.sleep(0.01)
yield i

# def make_arange(n):
# # This syntax is legal starting with Python 3.7
# return (i * 2 async for i in arange(n))
def make_arange(n):
# This syntax is legal starting with Python 3.7
return (i * 2 async for i in arange(n))

# async def run():
# return [i async for i in make_arange(10)]
async def run():
return [i async for i in make_arange(10)]

# res = self.loop.run_until_complete(run())
# self.assertEqual(res, [i * 2 for i in range(10)])
res = self.loop.run_until_complete(run())
self.assertEqual(res, [i * 2 for i in range(10)])

# TODO: RUSTPYTHON: async for gen expression compilation
# def test_async_gen_expression_02(self):
Expand Down