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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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Python/pylifecycle.c
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@ -26,6 +26,7 @@
#include "pycore_sysmodule.h" // _PySys_ClearAuditHooks()
#include "pycore_traceback.h" // _Py_DumpTracebackThreads()
#include "pycore_typeobject.h" // _PyTypes_InitTypes()
#include "pycore_typevarobject.h" // _Py_clear_generic_types()
#include "pycore_unicodeobject.h" // _PyUnicode_InitTypes()
#include "opcode.h"
@ -1698,6 +1699,7 @@ finalize_interp_clear(PyThreadState *tstate)
int is_main_interp = _Py_IsMainInterpreter(tstate->interp);
_PyExc_ClearExceptionGroupType(tstate->interp);
_Py_clear_generic_types(tstate->interp);
/* Clear interpreter state and all thread states */
_PyInterpreterState_Clear(tstate);