Skip to content

bpo-45388: Bump MAGIC_NUMBER to reflect change in JUMP_ABSOLUTE semantics. #28829

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
markshannon merged 1 commit into from
Oct 9, 2021
Merged

bpo-45388: Bump MAGIC_NUMBER to reflect change in JUMP_ABSOLUTE semantics. #28829

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion Lib/importlib/_bootstrap_external.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -363,6 +363,7 @@ def _write_atomic(path, data, mode=0o666):
# Python 3.11a1 3458 (imported objects now don't use LOAD_METHOD/CALL_METHOD)
# Python 3.11a1 3459 (PEP 657: add end line numbers and column offsets for instructions)
# Python 3.11a1 3460 (Add co_qualname field to PyCodeObject bpo-44530)
# Python 3.11a1 3461 (JUMP_ABSOLUTE must jump backwards)

#
# MAGIC must change whenever the bytecode emitted by the compiler may no
Expand All @@ -372,7 +373,7 @@ def _write_atomic(path, data, mode=0o666):
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.

MAGIC_NUMBER = (3460).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3461).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c

_PYCACHE = '__pycache__'
Expand Down