8000 gh-128089: Bump the PYC magic number by JelleZijlstra · Pull Request #128097 · python/cpython · GitHub
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gh-128089: Bump the PYC magic number #128097

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Merged
merged 3 commits into from
Jan 6, 2025
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gh-128089: Bump the PYC magic number #128097

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571e39b
gh-128089: Bump the magic number
JelleZijlstra Dec 19, 2024
9550c5f
Merge branch 'main' into bump-magic
JelleZijlstra Dec 20, 2024
d2078dc
Delete Misc/NEWS.d/next/Core_and_Builtins/2024-12-19-07-32-43.gh-issu…
vstinner Jan 6, 2025
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gh-128089: Bump the magic number
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@JelleZijlstra
JelleZijlstra committed Dec 19, 2024
commit 571e39bd0eaefaa7f0133db55832282e71d03a02
3 changes: 2 additions & 1 deletion Include/internal/pycore_magic_number.h
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Expand Up @@ -262,6 +262,7 @@ Known values:
Python 3.14a1 3607 (Add pseudo instructions JUMP_IF_TRUE/FALSE)
Python 3.14a1 3608 (Add support for slices)
Python 3.14a2 3609 (Add LOAD_SMALL_INT and LOAD_CONST_IMMORTAL instructions, remove RETURN_CONST)
Python 3.14a4 3610 (Add VALUE_WITH_FAKE_GLOBALS format to annotationlib)

Python 3.15 will start with 3650

Expand All @@ -274,7 +275,7 @@ PC/launcher.c must also be updated.

*/

#define PYC_MAGIC_NUMBER 3609
#define PYC_MAGIC_NUMBER 3610
/* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
(little-endian) and then appending b'\r\n'. */
#define PYC_MAGIC_NUMBER_TOKEN \
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Core_and_Builtins/2024-12-19-07-32-43.gh-issue-128089.3uOOM-.rst
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@@ -0,0 +1,3 @@
Bump the PYC magic number for an internal change in annotate functions. The
magic number should have been increased in release 3.14a3. Users running
3.14a3 with PYC files generated using earlier alphas may run into problems.
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