Various improvements for highspy - #3257
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* fixed #3251 HandleUserInterrupt setter * changed callback handler from `list` to `set` to avoid repeated calls to same code * improved unit tests as per discussion in #3228 * cleaned up code per updated linter (Ruff) rules * added HighsError and HighsStatusError exceptions * added support for min/max with constant objective (e.g., h.minimize(4)). Low priority, but shouldn't have been an error before.
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Note to self: when changing callbacks from This assumption was exploited in the I don't think we should ever assume a guaranteed order, but I can also replace |
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## latest #3257 +/- ##
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- Coverage 73.27% 73.26% -0.01%
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Files 445 445
Lines 108191 108185 -6
Branches 17344 17341 -3
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- Hits 79274 79263 -11
- Misses 28641 28646 +5
Partials 276 276 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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…ess via `dict` on `user_callback_data`
…ct (i.e., `float | int`). This is supported in Python 3.10+.
mathgeekcoder
marked this pull request as ready for review
September 4, 2026 21:01
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Description
Various improvements for highspy:
HandleUserInterruptsetter and changed callback handler to a uniquelistto avoid repeated calls to same code, but preserve order of callbacks (for deterministic behaviour)h.minimize(4)now works, even though it's not interesting)Checklist
latestbranchRelated issue
Closes #3251 and #3228 (flaky tests discussion)