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gh-99741: Clean Up the _xxsubinterpreters Module by ericsnowcurrently · Pull Request #99940 · python/cpython · GitHub

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gh-99741: Clean Up the _xxsubinterpreters Module #99940

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Merged
ericsnowcurrently merged 18 commits into from
Dec 2, 2022
Conversation 2 Commits 18 Checks 0 Files changed
Merged

gh-99741: Clean Up the _xxsubinterpreters Module #99940

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3fa77fb
Use a C11 struct initializer.
ericsnowcurrently Nov 21, 2022
f2f00aa
Clean up PyInit__xxsubinterpreters().
ericsnowcurrently Nov 21, 2022
bb84f38
Clean up channel_exceptions_init() and interp_exceptions_init().
ericsnowcurrently Nov 21, 2022
45e1f25
Add _globals_fini() and only do init/fini once.
ericsnowcurrently Nov 22, 2022
0efa456
Factor out module_exec().
ericsnowcurrently Nov 22, 2022
bd841f2
Fix add_new_exception().
ericsnowcurrently Nov 23, 2022
36e1239
Do not rely on exception globals in low-level functions.
ericsnowcurrently Nov 22, 2022
51645f7
Import _xxsubinterpreters in a subinterpreter if necessary.
ericsnowcurrently Nov 22, 2022
db57245
Ensure that the XID data gets released.
ericsnowcurrently Dec 1, 2022
4f9baf0
Return an error code from _PyCrossInterpreterData_Release().
ericsnowcurrently Nov 29, 2022
27d9b35
Clean up for ChannelIDType.
ericsnowcurrently Nov 23, 2022
c4aa646
Always decrement _globals.module_count.
ericsnowcurrently Nov 28, 2022
5cb73fa
Decref the module when appropriate.
ericsnowcurrently Nov 29, 2022
5af58e8
Add some asserts.
ericsnowcurrently Nov 29, 2022
f555fbe
Clear the registered type during module cleanup.
ericsnowcurrently Nov 30, 2022
ad000ad
Add a dedicated ChannelIDTests.test_shareable().
ericsnowcurrently Dec 1, 2022
60a78ab
Add a TODO comment.
ericsnowcurrently Dec 1, 2022
012d61c
Update a TODO comment.
ericsnowcurrently Dec 1, 2022
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2 changes: 1 addition & 1 deletion Include/cpython/pystate.h
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Original file line number Diff line number Diff line change
Expand Up @@ -394,7 +394,7 @@ struct _xid {

PyAPI_FUNC(int) _PyObject_GetCrossInterpreterData(PyObject *, _PyCrossInterpreterData *);
PyAPI_FUNC(PyObject *) _PyCrossInterpreterData_NewObject(_PyCrossInterpreterData *);
PyAPI_FUNC(void) _PyCrossInterpreterData_Release(_PyCrossInterpreterData *);
PyAPI_FUNC(int) _PyCrossInterpreterData_Release(_PyCrossInterpreterData *);

PyAPI_FUNC(int) _PyObject_CheckCrossInterpreterData(PyObject *);

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26 changes: 25 additions & 1 deletion Lib/test/test__xxsubinterpreters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -386,7 +386,6 @@ def test_types(self):
self._assert_values([
b'spam',
9999,
self.cid,
])

def test_bytes(self):
Expand Down Expand Up @@ -1213,6 +1212,18 @@ def test_equality(self):
self.assertFalse(cid1 != cid2)
self.assertTrue(cid1 != cid3)

def test_shareable(self):
chan = interpreters.channel_create()

obj = interpreters.channel_create()
interpreters.channel_send(chan, obj)
got = interpreters.channel_recv(chan)

self.assertEqual(got, obj)
self.assertIs(type(got), type(obj))
# XXX Check the following in the channel tests?
#self.assertIsNot(got, obj)


class ChannelTests(TestBase):

Expand Down Expand Up @@ -1545,6 +1556,19 @@ def test_recv_default(self):
self.assertEqual(obj5, b'eggs')
self.assertIs(obj6, default)

def test_recv_sending_interp_destroyed(self):
cid = interpreters.channel_create()
interp = interpreters.create()
interpreters.run_string(interp, dedent(f"""
import _xxsubinterpreters as _interpreters
_interpreters.channel_send({cid}, b'spam')
"""))
interpreters.destroy(interp)

with self.assertRaisesRegex(RuntimeError,
'unrecognized interpreter ID'):
interpreters.channel_recv(cid)

def test_run_string_arg_unresolved(self):
cid = interpreters.channel_create()
interp = interpreters.create()
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