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fix(python): normalize legacy code flags for equality

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Preserve CPython 3.7–3.10 constructor flag semantics in code keys.
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morluto
2026-10-23 17:41:38 +08:00
parent 81de82a1a4
commit aee249b1dd
3 changed files with 124 additions and 2 deletions
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docs/python-pyc.md
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@@ -50,7 +50,9 @@ names, locals (or `localsplusnames` on 3.11+), const
summaries, and bytecode length plus SHA-256.
Code-object equality used by sets and dictionaries follows the selected layout:
3.7–3.10 ignore line tables, while 3.11+ include line and exception tables. The
3.7–3.10 derive `CO_NOFREE` from the free/cell tables for equality, while
3.11+ compare raw flags; raw `co_flags` remain in reported facts. The older
layouts ignore line tables, while 3.11+ include line and exception tables. The
artifact SHA-256 identifies the exact selected `.pyc` bytes independently of
this decoded object graph. Reference slots follow each tag's CPython behavior:
singleton values and `TYPE_REF` do not reserve new slots even when their tag