feat(rewrite): introspect the condition of a ternary - #14816

Draft

RonnyPfannschmidt wants to merge 14 commits into

pytest-dev:mainfrom

RonnyPfannschmidt:ronny/rewrite-visit-ifexp

Commits on Aug 22, 2026

scripts: add an assert-rewrite diff tool
RonnyPfannschmidt
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be39f2f
fix(rewrite): prevent walrus operator double evaluation in assertions

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a39f739
Add changelog fragment for #14445

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5167153
test(rewrite): add xfail tests for remaining walrus edge cases

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b83ae76
fix(rewrite): avoid double evaluation of walrus in BoolOp condition

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8fe2b3a
fix(rewrite): assign walrus comparators to temps in chained comparisons

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c5c9443
fix(rewrite): show correct walrus values in BoolOp explanations

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555a1a2
refactor(rewrite): minimal snapshots in BoolOp for walrus conflicts

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d115f0e
fix(rewrite): freeze operands a later walrus would clobber
RonnyPfannschmidt
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5fe5987
fix(rewrite): freeze walrus and starred operands too
RonnyPfannschmidt
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242d582
refactor(rewrite): drop the walrus snapshot visit_Compare no longer needs

RonnyPfannschmidt
and
claude
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14cbbbf
refactor(rewrite): drop the unreachable Load guard in visit_Attribute

RonnyPfannschmidt
and
claude
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9967057
feat(rewrite): introspect container[key] in failure messages
RonnyPfannschmidt
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58e0526
feat(rewrite): introspect the condition of a ternary
RonnyPfannschmidt
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dfe9e00