build: Make sympy an optional dependency#27200
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tianleiwu merged 2 commits intomicrosoft:mainfrom Feb 19, 2026
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Move sympy from required to optional dependencies. Users doing inference-only don't need symbolic math library. - Guard sympy import in symbolic_shape_infer.py with helpful error message - Remove sympy from requirements.txt - Add sympy to extras_require["symbolic"] in setup.py Users can now install with: pip install onnxruntime[symbolic] Reduces default install size by ~29MB (23%). Addresses microsoft#24872 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Hi maintainers — CI is blocked by ‘workflows awaiting approval’ (28 pending). Could someone please approve running workflows and take a look? This PR makes sympy optional and adds onnxruntime[symbolic] for users who need symbolic shape inference. Addresses #24872 |
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@ingyukoh, please format the files using lintrunner |
- Add `from None` to re-raised ImportError (RUFF/B904) - Apply ruff format to symbolic_shape_infer.py and setup.py
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@tianleiwu — Applied ruff format and fixed RUFF/B904 (raise ... from None) in 16d636b. Could |
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/azp run Linux QNN CI Pipeline, Win_TRT_Minimal_CUDA_Test_CI, Windows ARM64 QNN CI Pipeline, Windows GPU Doc Gen CI Pipeline |
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Azure Pipelines successfully started running 4 pipeline(s). |
tianleiwu
approved these changes
Feb 19, 2026
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Move sympy from required to optional dependencies. Users doing inference-only don't need
symbolic math library.
Users can now install with:
pip install onnxruntime[symbolic]Reduces default install size by ~29MB (23%).
Addresses #24872
Description
Make sympy an optional dependency to reduce install size for inference-only users.
Changes:
Motivation and Context
sympy is ~29MB (23% of total package size) but only used for symbolic shape inference.
Most users doing inference-only don't need it.
After this change:
pip install onnxruntime→ no sympy (smaller install)pip install onnxruntime[symbolic]→ includes sympy