mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-19 00:00:48 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-44050: Extension modules can share state when they don't support sub-interpreters. (GH-27794) (GH-28738)

Browse source 
Automerge-Triggered-By: GH:encukou
(cherry picked from commit b9bb74871b)

Co-authored-by: Hai Shi <shihai1992@gmail.com>
This commit is contained in:
Miss Islington (bot) 2021-10-05 09:34:59 -07:00 • committed by GitHub
parent d0d0909a3a
commit d0d29655ff
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 59 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

31
Lib/test/test_capi.py
View file

@ -762,6 +762,37 @@ class SubinterpreterTest(unittest.TestCase):
self.assertFalse(hasattr(binascii.Error, "foobar"))
def test_module_state_shared_in_global(self):
"""
bpo-44050: Extension module state should be shared between interpreters
when it doesn't support sub-interpreters.
"""
r, w = os.pipe()
self.addCleanup(os.close, r)
self.addCleanup(os.close, w)
script = textwrap.dedent(f"""
import importlib.machinery
import importlib.util
import os
fullname = '_test_module_state_shared'
origin = importlib.util.find_spec('_testmultiphase').origin
loader = importlib.machinery.ExtensionFileLoader(fullname, origin)
spec = importlib.util.spec_from_loader(fullname, loader)
module = importlib.util.module_from_spec(spec)
attr_id = str(id(module.Error)).encode()
os.write({w}, attr_id)
""")
exec(script)
main_attr_id = os.read(r, 100)
ret = support.run_in_subinterp(script)
self.assertEqual(ret, 0)
subinterp_attr_id = os.read(r, 100)
self.assertEqual(main_attr_id, subinterp_attr_id)
class TestThreadState(unittest.TestCase):