Trace wheel build source in tvm-ffi CI workflow
Session from conda-forge-agent-traces on Hugging Face by xhochy · BSD-3-Clause · condensed by Coders Talk
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3msession
0interventions
GOAL
Investigate a GitHub Actions workflow in apache/tvm-ffi to determine where the torch_c_dlpack wheels are actually built from, since it looked like it might pull in a third-party artefact.
- +0Prompt · +0Review the torch_c_dlpack.yml workflow in apache/tvm-ffi and figure out which source the wheels are actually built from — it doesn't look like tvm-ffi itself.
- +0mAgent did · +0mFetched the workflow file and build_aot_wheels.sh, cloned the repo locally to inspect its structure.
- +1mAgent did · +1mFetched pyproject.toml, build_backend.py and __init__.py for the torch_c_dlpack_ext addon to trace the build backend.
- +1mAgent did · +1mFetched core.py and the addon's directory tree to see how the extension is assembled.
- +2mAgent did · +2mSearched the cloned repo for _build_optional_torch_c_dlpack.py and read it to find the actual build logic.
- +3mOutcome · +3mConcluded the wheels are built from apache/tvm-ffi's own source: workflow checks out the tvm-ffi repo itself, installs it via 'uv pip install -v .', and builds the C extension from that checkout, not a third-party artefact.
VERDICT
Next time I'd start by asking it to trace the checkout step and build script together instead of one file at a time, since the answer hinged on both. Reading build_aot_wheels.sh alongside the workflow yaml is what actually resolved my suspicion that this was a third-party artefact — it wasn't, it's built from tvm-ffi's own checked-out source.