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build: migrate model_analyzer to hatchling and pin the build backend (#1038) - #1039
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…1038) * build: migrate model_analyzer to hatchling and pin the build backend The PEP 639 SPDX `license = "Apache-2.0"` string already declared here is rejected outright by setuptools < 77 ("project.license must be valid exactly by one definition"), but the build backend was declared as an unbounded `setuptools >= 61.0`. The build therefore only succeeded when the environment happened to provide a new enough setuptools -- the same class of environment-dependent wheel metadata bug tracked in TRI-1775, in the opposite direction. Switches to a pinned hatchling backend, aligning with tritonserver, tritonfrontend, genai-perf and triton_cli, and declares license-files explicitly rather than relying on implicit discovery. Verified: Metadata-Version 2.4, License-Expression: Apache-2.0, License-File: LICENSE, the model-analyzer console script is preserved, and twine check passes. Refs: TRI-1775 * fix: restore sdist package boundaries for model_analyzer Only the wheel target declared a package-selection policy, so the sdist fell back to hatchling's default file selection and shipped tracked content the previous setuptools configuration kept out. An explicit sdist target with only-include restores the intended boundaries; only-include rather than include because the latter is additive and still let docs/ through. Verified: the sdist now carries model_analyzer, VERSION, LICENSE, README.md and pyproject.toml, and the wheel is unchanged at the same 198 module files as the setuptools build. Refs: TRI-1775 (cherry picked from commit 5eab1ef)
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September 15, 2026 23:56
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whoisj
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Sep 16, 2026
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What does the PR do?
Cherry-pick of #1038 onto
r26.09. Applied cleanly, no conflicts.licensestring already here is rejected bysetuptools<77, but the backend was an unboundedsetuptools >= 61.0— so builds only worked by luck of the environment.Related Issues: