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bpo-43693: Un-revert commits 2c1e258 and b2bf2bc. (gh-26577)

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These were reverted in gh-26530 (commit 17c4edc) due to refleaks.

* 2c1e258 - Compute deref offsets in compiler (gh-25152)
* b2bf2bc - Add new internal code objects fields: co_fastlocalnames and co_fastlocalkinds. (gh-26388)

This change fixes the refleaks.

https://bugs.python.org/issue43693
This commit is contained in:
Eric Snow 2021-06-07 12:22:26 -06:00 • committed by GitHub
parent 001eb520b5
commit 2ab27c4af4
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 6044 additions and 5710 deletions
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4
Lib/importlib/_bootstrap_external.py
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@ -355,6 +355,8 @@ _code_type = type(_write_atomic.__code__)
# Python 3.11a1 3450 Use exception table for unwinding ("zero cost" exception handling)
# Python 3.11a1 3451 (Add CALL_METHOD_KW)
# Python 3.11a1 3452 (drop nlocals from marshaled code objects)
# Python 3.11a1 3453 (add co_fastlocalnames and co_fastlocalkinds)
# Python 3.11a1 3454 (compute cell offsets relative to locals bpo-43693)
#
# MAGIC must change whenever the bytecode emitted by the compiler may no
@ -364,7 +366,7 @@ _code_type = type(_write_atomic.__code__)
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3452).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3454).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c
_PYCACHE = '__pycache__'