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gh-103763: Implement PEP 695 (#103764)

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This implements PEP 695, Type Parameter Syntax. It adds support for:

- Generic functions (def func[T](): ...)
- Generic classes (class X[T](): ...)
- Type aliases (type X = ...)
- New scoping when the new syntax is used within a class body
- Compiler and interpreter changes to support the new syntax and scoping rules 

Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Co-authored-by: Eric Traut <eric@traut.com>
Co-authored-by: Larry Hastings <larry@hastings.org>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
This commit is contained in:
Jelle Zijlstra 2023-05-15 20:36:23 -07:00 • committed by GitHub
parent fdafdc235e
commit 24d8b88420
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56 changed files with 11405 additions and 5469 deletions
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3
Lib/importlib/_bootstrap_external.py
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@ -444,6 +444,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.12b1 3528 (Add LOAD_SUPER_ATTR_METHOD specialization)
# Python 3.12b1 3529 (Inline list/dict/set comprehensions)
# Python 3.12b1 3530 (Shrink the LOAD_SUPER_ATTR caches)
# Python 3.12b1 3531 (Add PEP 695 changes)
# Python 3.13 will start with 3550
@ -460,7 +461,7 @@ _code_type = type(_write_atomic.__code__)
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3530).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3531).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c