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Title: gh-76785: Handle Legacy Interpreters Properly by ericsnowcurrently · Pull Request #117490 · python/cpython · GitHub

Open Graph Title: gh-76785: Handle Legacy Interpreters Properly by ericsnowcurrently · Pull Request #117490 · python/cpython

X Title: gh-76785: Handle Legacy Interpreters Properly by ericsnowcurrently · Pull Request #117490 · python/cpython

Description: This is similar to the situation with threading._DummyThread. The methods (incl. __del__()) of interpreters.Interpreter objects must be careful with interpreters not created by interpreters.create(). The simplest thing is to disable any method that modifies or runs in the interpreter. As part of this, the runtime keeps track of where an interpreter was created. We also handle interpreter "refcounts" properly. Issue: gh-76785

Open Graph Description: This is similar to the situation with threading._DummyThread. The methods (incl. __del__()) of interpreters.Interpreter objects must be careful with interpreters not created by interpreters.create...

X Description: This is similar to the situation with threading._DummyThread. The methods (incl. __del__()) of interpreters.Interpreter objects must be careful with interpreters not created by interpreters.create...

Opengraph URL: https://github.com/python/cpython/pull/117490

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5b68f4d Identify unmanaged interpreters. ericsnowcurrently Mar 22, 2024 https://github.com/python/cpython/pull/117490/commits/5b68f4d9d7be36eec8e834d1889d1a7320d773fa
1811e50 Implement using a hashtable. ericsnowcurrently Mar 25, 2024 https://github.com/python/cpython/pull/117490/commits/1811e50dcbad10ba30bbd7b20233db8051919d4a
05a3923 Call drop_owned() after Py_EndInterpreter(), not before. ericsnowcurrently Apr 2, 2024 https://github.com/python/cpython/pull/117490/commits/05a39235771d62f656824d4c2a059993ffde9747
6f7c83d Use a linked list. ericsnowcurrently Mar 25, 2024 https://github.com/python/cpython/pull/117490/commits/6f7c83d8f6ab9edbe5dd46f387b1089aac2d9235
3a60142 Add restrictions. ericsnowcurrently Mar 25, 2024 https://github.com/python/cpython/pull/117490/commits/3a60142d907850beda1d32f9a8c3b0befc9eb51c
98fc876 Hide unmanaged interpreters. ericsnowcurrently Mar 25, 2024 https://github.com/python/cpython/pull/117490/commits/98fc876ba91f69667c89760693c4abc21f1d144e
c2629b7 Use Interpreter for unmanaged interpreters. ericsnowcurrently Mar 25, 2024 https://github.com/python/cpython/pull/117490/commits/c2629b78c4e8f393721f68f008a119431efb55b3
f1e2461 Fix other tests. ericsnowcurrently Apr 9, 2024 https://github.com/python/cpython/pull/117490/commits/f1e2461cb84ffca9902f598129be73b460c32fde
55a1c31 Default to require_owned=False. ericsnowcurrently Apr 9, 2024 https://github.com/python/cpython/pull/117490/commits/55a1c3100ea2be8b8fbe53dbf3b3acab2c1faf92
f73b6f3 Interpreter.owned -> Interpreter.whence ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/f73b6f329c042f4714149c4d93c3520d10d02478
7e6432c require_owned -> restrict ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/7e6432c3ea4e3bdc617b7edbdc740030f8d49d95
19b68eb Add PyInterpreterState._whence. ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/19b68ebd15f9930fd4c579ae097bbb7819550b25
d713ecf Drop the module's global state. ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/d713ecff3ec4553c51160542e83d672a9ccd38c7
fe362d1 Drop a duplicate module func def. ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/fe362d18d4f7ceda7d9bd71e3dfb23392081d530
cd7d5ee Require the interpreter to be ready for most operations. ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/cd7d5ee63a1b11214926eaf3a049bbdb248ff430
4f92794 Do not expose not-ready interpreters in the high-level module. ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/4f92794abde4324bdcbb2f30cf02384ae610156e
e38f141 Fix destroying a not-ready interpreter. ericsnowcurrently Apr 10, 2024 https://github.com/python/cpython/pull/117490/commits/e38f141d5653bafc9fae65a170d81400a3a1f61e
2274d6e Hide a variable on non-debug builds. ericsnowcurrently Apr 11, 2024 https://github.com/python/cpython/pull/117490/commits/2274d6ef7956de5b71381d000365f27c58f01fb8
c796cfa Merge branch 'main' into hide-legacy-subinterpreters ericsnowcurrently Apr 11, 2024 https://github.com/python/cpython/pull/117490/commits/c796cfae708493a671fe935667cbaa857bc5e196
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