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GH-96793: Implement PEP 479 in bytecode. (GH-99006)

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* Handle converting StopIteration to RuntimeError in bytecode.

* Add custom instruction for converting StopIteration into RuntimeError.
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Mark Shannon 2022-11-03 04:38:51 -07:00 • committed by GitHub
parent e9ac890c02
commit f4adb97506
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14 changed files with 220 additions and 96 deletions
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Lib/importlib/_bootstrap_external.py
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@ -424,6 +424,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.12a1 3508 (Add CLEANUP_THROW)
# Python 3.12a1 3509 (Conditional jumps only jump forward)
# Python 3.12a1 3510 (FOR_ITER leaves iterator on the stack)
# Python 3.12a1 3511 (Add STOPITERATION_ERROR instruction)
# Python 3.13 will start with 3550
@ -436,7 +437,7 @@ _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 = (3510).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3511).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c