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base repository: RustPython/RustPython
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head repository: RustPython/RustPython
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  • 3 commits
  • 8 files changed
  • 3 contributors

Commits on Apr 13, 2026

  1. Update LICENSE (#7581)

    @StepfenShawn
    StepfenShawn authored Apr 13, 2026
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  2. Add InstructionMetadata::stack_effect_jump for branch stack effects (#… 

    …7585)

* Add InstructionMetadata::stack_effect_jump for branch stack effects

CPython's compile.c provides stack_effect(opcode, oparg, jump) where the
jump parameter selects between fallthrough and branch effects. The existing
stack_effect() only returns the fallthrough effect.

Add stack_effect_jump() that returns the branch effect. Most instructions
have identical fallthrough/branch effects; ForIter and Send are the
exceptions (ForIter: fallthrough=+1, branch=-1; Send: fallthrough=0,
branch=-1).

* apply review
    @youknowone
    youknowone authored Apr 13, 2026
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  3. Add __callback__ property to weakref type (#7590) 

    * Initial plan

* Add __callback__ property to PyWeak for weakref compatibility

Add get_callback() method to PyWeak in core.rs that safely reads the
callback field under the stripe lock. Expose it as a read-only
__callback__ property on the weakref type, matching CPython behavior:
- Returns the callback function when one was provided and referent is alive
- Returns None when no callback was provided
- Returns None after the referent has been collected
- Raises AttributeError on assignment (read-only)

Remove @unittest.expectedFailure from test_callback_attribute and
test_callback_attribute_after_deletion in test_weakref.py.

Add regression tests to extra_tests/snippets/stdlib_weakref.py.

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Co-authored-by: youknowone <69878+youknowone@users.noreply.github.com>

* Fix ruff formatting in stdlib_weakref.py snippet

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---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: youknowone <69878+youknowone@users.noreply.github.com>
    @youknowone
    Copilot and youknowone authored Apr 13, 2026
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