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bpo-41218: Only mark async code with CO_COROUTINE. (#21357)

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3.8.3 had a regression where compiling with
ast.PyCF_ALLOW_TOP_LEVEL_AWAIT woudl agressively mark things are
coroutine even if there were not.
This commit is contained in:
Matthias Bussonnier 2020-07-06 14:26:52 -07:00 • committed by GitHub
parent a103e73ce8
commit bd46174a5a
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3 changed files with 29 additions and 4 deletions
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19
Lib/test/test_builtin.py
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@ -371,6 +371,25 @@ class BuiltinTest(unittest.TestCase):
rv = ns['f']()
self.assertEqual(rv, tuple(expected))
def test_compile_top_level_await_no_coro(self):
"""Make sure top level non-await codes get the correct coroutine flags.
"""
modes = ('single', 'exec')
code_samples = [
'''def f():pass\n''',
'''[x for x in l]'''
]
for mode, code_sample in product(modes, code_samples):
source = dedent(code_sample)
co = compile(source,
'?',
mode,
flags=ast.PyCF_ALLOW_TOP_LEVEL_AWAIT)
self.assertNotEqual(co.co_flags & CO_COROUTINE, CO_COROUTINE,
msg=f"source={source} mode={mode}")
def test_compile_top_level_await(self):
"""Test whether code some top level await can be compiled.