| 1 | # SPDX-License-Identifier: Apache-2.0 |
| 2 | # SPDX-FileCopyrightText: Copyright contributors to the vLLM project |
| 3 | |
| 4 | """Assert the installed vLLM has a `_C.cpython-X.Y-*.so` for every CPython |
| 5 | covered by `requires-python`. Fails closed if a Python's `.so` is missing |
| 6 | from the wheel — i.e. the regression that surfaced in #41476/#41512. |
| 7 | |
| 8 | Run from a CI test job after vLLM is installed, e.g. the H100 deepgemm |
| 9 | kernel tests in .buildkite/test_areas/kernels.yaml. |
| 10 | """ |
| 11 | |
| 12 | import importlib.util |
| 13 | import os |
| 14 | import sys |
| 15 | from pathlib import Path |
| 16 | |
| 17 | import regex as re |
| 18 | import tomllib |
| 19 | |
| 20 | SO_RE = re.compile(r"^_C\.cpython-(\d)(\d+)-") |
| 21 | |
| 22 | |
| 23 | def required_pythons() -> list[str]: |
| 24 | pyproject = Path(__file__).resolve().parent.parent / "pyproject.toml" |
| 25 | spec = tomllib.loads(pyproject.read_text())["project"]["requires-python"] |
| 26 | m = re.match(r">=3\.(\d+),<3\.(\d+)", spec) |
| 27 | if not m: |
| 28 | sys.exit(f"unexpected requires-python format: {spec!r}") |
| 29 | return [f"3.{v}" for v in range(int(m[1]), int(m[2]))] |
| 30 | |
| 31 | |
| 32 | spec = importlib.util.find_spec("vllm.third_party.deep_gemm") |
| 33 | if spec is None or spec.origin is None: |
| 34 | sys.exit("vllm.third_party.deep_gemm not importable; is vllm installed?") |
| 35 | pkg_dir = Path(spec.origin).parent |
| 36 | |
| 37 | found = {f"{m[1]}.{m[2]}" for f in os.listdir(pkg_dir) if (m := SO_RE.match(f))} |
| 38 | required = required_pythons() |
| 39 | missing = [v for v in required if v not in found] |
| 40 | print(f"deepgemm _C: found {sorted(found)}, required {required}, missing {missing}") |
| 41 | sys.exit(1 if missing else 0) |