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gh-111353: GenericAlias support and TypeVarLike resolution for `typing.get_type_hints`

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`get_type_hints` can now resolve TypeVarLikes correctly for all generic classes, including TypedDicts. There were a lot of edge cases that I tested and subsequently wrote unit tests for. I've also...

NCPlayz

(cherry picked from commit 034cf0c3167c850c8341deb61e210cb0dbcdb02d) ---- 📚 Documentation preview 📚: https://cpython-previews--119266.org.readthedocs.build/

hugovk

[Enhancement] Expose list.remove() as PyList_Remove(PyObject *) in the C API.

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### Proposal: Currently for C extension devs if they over-allocate a list, and then realize later in a loop after checking using some if's that not every entry is filled...

AraHaan

* Issue: gh-111201

lysnikolaou

[match-case] Allow matching Union types

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# Feature or enhancement Since python 3.10, `isinstance` and `issubclass` allow testing against `Union`-types ([PEP604](https://peps.python.org/pep-0604/)). However, the same is not true for match-case. # Pitch `case klass():` should probably be...

randolf-scholz

[3.12] gh-94808: Add test coverage for "starred kind" in _PyPegen_set_expr_context (GH-119222)

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Add test coverage for "starred kind" in _PyPegen_set_expr_context (cherry picked from commit 8231a24454c854ea22590fd74733d29e4274122d) Co-authored-by: Mark Jason Dominus (陶敏修) * Issue: gh-94808

miss-islington

[3.13] gh-94808: Add test coverage for "starred kind" in _PyPegen_set_expr_context (GH-119222)

1

Add test coverage for "starred kind" in _PyPegen_set_expr_context (cherry picked from commit 8231a24454c854ea22590fd74733d29e4274122d) Co-authored-by: Mark Jason Dominus (陶敏修) * Issue: gh-94808

miss-islington

(cherry picked from commit 034cf0c3167c850c8341deb61e210cb0dbcdb02d) ---- 📚 Documentation preview 📚: https://cpython-previews--119261.org.readthedocs.build/

hugovk

# Bug report ### Bug description: If a dataclass has a subclass that is not itself a dataclass, `is_dataclass()` returns True on the subclass and its instances: ```python from dataclasses...

JelleZijlstra

Python 3.13.0b1 REPL changes behavior wrt PgUp, inserts first line of ~/.python_history

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# Bug report ### Bug description: When I use the Python REPL, I am used to PgUp browsing my prompt history based on the partial command I already typed. Consider:...

hroncok