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Mixed Python/JS evals #71

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896134c
Add mixed Python/JS eval tests
ibolmo Mar 12, 2026
8fe8457
Infer language and runner from file extensions
ibolmo Mar 13, 2026
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10 changes: 6 additions & 4 deletions README.md
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Expand Up @@ -136,12 +136,14 @@ Files inside `node_modules`, `.venv`, `venv`, `site-packages`, `dist-packages`,
**Runners:**

- By default, `bt eval` auto-detects a JavaScript runner from your project (`tsx`, `vite-node`, `ts-node`, then `ts-node-esm`).
- Set a runner explicitly with `--runner` / `BT_EVAL_RUNNER`:
- `bt eval --runner vite-node tutorial.eval.ts`
- `bt eval --runner tsx tutorial.eval.ts`
- Set a JavaScript runner explicitly with `--runner-js` / `BT_EVAL_JS_RUNNER`:
- `bt eval --runner-js vite-node tutorial.eval.ts`
- `bt eval --runner-js tsx tutorial.eval.ts`
- Set a Python runner explicitly with `--runner-python` / `BT_EVAL_PYTHON_RUNNER`:
- `bt eval --runner-python python tutorial.eval.py`
- `bt` resolves local `node_modules/.bin` entries automatically — no need for a full path.
- If eval execution fails with ESM/top-level-await related errors, retry with:
- `bt eval --runner vite-node tutorial.eval.ts`
- `bt eval --runner-js vite-node tutorial.eval.ts`

**Passing arguments to the eval file:**

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