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bpo-29704: Fix asyncio.SubprocessStreamProtocol closing (#405)

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This commit is contained in:
Seth M. Larson 2017-03-02 22:21:18 -06:00 • committed by Yury Selivanov
parent 398ff91ac0
commit 481cb70a72
3 changed files with 40 additions and 2 deletions
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22
Lib/test/test_asyncio/test_subprocess.py
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@ -459,6 +459,28 @@ class SubprocessMixin:
self.loop.run_until_complete(create)
self.assertEqual(warns, [])
def test_read_stdout_after_process_exit(self):
@asyncio.coroutine
def execute():
code = '\n'.join(['import sys',
'for _ in range(64):',
' sys.stdout.write("x" * 4096)',
'sys.stdout.flush()',
'sys.exit(1)'])
fut = asyncio.create_subprocess_exec(sys.executable, '-c', code,
stdout=asyncio.subprocess.PIPE,
loop=self.loop)
process = yield from fut
while True:
data = yield from process.stdout.read(65536)
if data:
yield from asyncio.sleep(0.3, loop=self.loop)
else:
break
self.loop.run_until_complete(execute())
if sys.platform != 'win32':
# Unix