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56 lines
3.4 KiB
56 lines
3.4 KiB
---
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session: ses_2b07
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updated: 2026-04-02T19:01:27.654Z
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---
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# Session Summary
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## Goal
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Execute Task 2 from the SVD Label Unification implementation plan: refactor explorer.py to export SVD_THEMES at module level and update analysis/svd_labels.py to import it properly.
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## Constraints & Preferences
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- Follow TDD principles: run tests before/after changes
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- Make minimal changes to accomplish the task
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- Preserve all existing SVD_THEMES data (10 components with labels, explanations, poles, flip settings)
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- Ensure no circular import issues between explorer.py and analysis/svd_labels.py
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## Progress
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### Done
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- [x] Ran baseline tests (4 tests passed in tests/test_svd_labels.py)
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- [x] Moved SVD_THEMES dict from inside `build_svd_components_tab` function (line ~2639) to module level in explorer.py (after PARTY_COLOURS, line 434)
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- [x] Removed duplicate SVD_THEMES definition from inside `build_svd_components_tab` function
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- [x] Updated `_get_svd_themes()` function in analysis/svd_labels.py to import directly from explorer module instead of using complex importlib.util fallback
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- [x] Verified all 4 tests still pass after changes
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- [x] Confirmed SVD_THEMES is now accessible at module level in explorer.py for external import
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### In Progress
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- [ ] Commit the changes (changes staged but not yet committed)
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### Blocked
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- (none)
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## Key Decisions
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- **Import method**: Use direct `import explorer` and access `explorer.SVD_THEMES` instead of importlib.util machinery. Rationale: Now that SVD_THEMES is at module level, the direct import is clean and the lazy runtime import in `_get_svd_themes()` prevents circular dependencies at module load time.
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- **Module placement**: Placed SVD_THEMES after PARTY_COLOURS (line 434) to keep constants together near the top of the file. Rationale: This keeps the canonical source of truth visible and maintains logical grouping with other module-level constants.
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## Next Steps
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1. Run full test suite to verify no regressions: `uv run pytest tests/ -v`
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2. Commit the changes: `git add explorer.py analysis/svd_labels.py && git commit -m "refactor: move SVD_THEMES to module level for import"`
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3. Proceed to Task 3: Update axis_classifier.py to use svd_labels module
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## Critical Context
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- SVD_THEMES now defined at explorer.py line 434 with full type annotation `dict[int, dict[str, str]]`
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- SVD_THEMES contains 10 components (1-indexed) with keys: label, explanation, positive_pole, negative_pole, flip
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- Function `_get_svd_themes()` in analysis/svd_labels.py now uses simple import pattern with global cache `_svd_themes_cache`
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- The function references in explorer.py at lines 2691 and 2719 (`SVD_THEMES.get()`) continue to work unchanged since they now reference the module-level variable
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- All 4 tests in tests/test_svd_labels.py pass, including label retrieval and flip direction computation
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## File Operations
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### Read
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- `/home/sgeboers/Projects/stemwijzer/docs/superpowers/plans/2026-04-02-svd-label-unification.md`
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- `/home/sgeboers/Projects/stemwijzer/explorer.py` (lines 1-2000, 2450-2649, 2600-2859, 2810-2859)
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- `/home/sgeboers/Projects/stemwijzer/analysis/svd_labels.py`
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### Modified
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- `/home/sgeboers/Projects/stemwijzer/explorer.py`: Added SVD_THEMES at module level (line 434), removed local definition from `build_svd_components_tab()` function
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- `/home/sgeboers/Projects/stemwijzer/analysis/svd_labels.py`: Simplified `_get_svd_themes()` to use direct import from explorer instead of importlib.util fallback
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