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[3.13] gh-124594: Create and reuse the same context for the entire asyncio REPL session (GH-124595) (#124848)

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gh-124594: Create and reuse the same context for the entire asyncio REPL session (GH-124595)
(cherry picked from commit 67e01a430f)

Co-authored-by: Bartosz Sławecki <bartoszpiotrslawecki@gmail.com>
Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
This commit is contained in:
Miss Islington (bot) 2024-10-15 13:37:59 +02:00 • committed by GitHub
parent 8cf646adea
commit 35d9624109
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3 changed files with 42 additions and 2 deletions
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37
Lib/test/test_repl.py
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@ -291,5 +291,42 @@ class TestInteractiveModeSyntaxErrors(unittest.TestCase):
self.assertEqual(traceback_lines, expected_lines)
class TestAsyncioREPLContextVars(unittest.TestCase):
def test_toplevel_contextvars_sync(self):
user_input = dedent("""\
from contextvars import ContextVar
var = ContextVar("var", default="failed")
var.set("ok")
""")
p = spawn_repl("-m", "asyncio")
p.stdin.write(user_input)
user_input2 = dedent("""
print(f"toplevel contextvar test: {var.get()}")
""")
p.stdin.write(user_input2)
output = kill_python(p)
self.assertEqual(p.returncode, 0)
expected = "toplevel contextvar test: ok"
self.assertIn(expected, output, expected)
def test_toplevel_contextvars_async(self):
user_input = dedent("""\
from contextvars import ContextVar
var = ContextVar('var', default='failed')
""")
p = spawn_repl("-m", "asyncio")
p.stdin.write(user_input)
user_input2 = "async def set_var(): var.set('ok')\n"
p.stdin.write(user_input2)
user_input3 = "await set_var()\n"
p.stdin.write(user_input3)
user_input4 = "print(f'toplevel contextvar test: {var.get()}')\n"
p.stdin.write(user_input4)
output = kill_python(p)
self.assertEqual(p.returncode, 0)
expected = "toplevel contextvar test: ok"
self.assertIn(expected, output, expected)
if __name__ == "__main__":
unittest.main()