RustPython

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Jeong, YunWon 20042568fc Decide tp_new inheritance of static types at type initialization (#9386 )

A static type with no tp_new of its own whose base is object now gets
DISALLOW_INSTANTIATION instead of inheriting object's tp_new, following
type_ready_set_new. Such types no longer expose an inherited __new__.

A static type that inherits a non-NULL tp_new from its base must have the
same basicsize as that base; type initialization panics otherwise. Types
flagged HEAPTYPE are exempt, like classes created at runtime.

_IOBase is flagged HEAPTYPE so that it keeps inheriting object's tp_new.
FutureIter, TaskStepMethWrapper, hamt, InstructionSequence and
itertools._grouper get constructors of their own.

Assisted-by: Claude:claude-opus-5-5
Assisted-by: Grok:grok-4.7

2026-10-27 10:07:06 +09:00

capi

Add subclass type flags (#9327 )

2026-10-23 09:38:01 +00:00

codegen

Index the class body prefix range by the source text line (#9384 )

2026-10-26 20:35:48 +09:00

common

Sync selected Python 3.15 core library tests and repr type errors (#9321 )

2026-10-23 18:01:14 +09:00

compiler

Limit single-input parser warning emission to the first logical input (#9304 )