[VPEX][5a] Add local-env package-manager interface, detection, and preflight#5850
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[VPEX][5a] Add local-env package-manager interface, detection, and preflight#5850rugpanov wants to merge 1 commit into
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Integration test reportCommit: f24c320
8 interesting tests: 4 SKIP, 3 RECOVERED, 1 KNOWN
Top 6 slowest tests (at least 2 minutes):
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Split from the pipeline layer so the PackageManager seam (implemented by the uv backend in a later PR), manager detection, and the writability preflight land as a small, independently reviewable unit. - pkgmanager.go: the PackageManager interface the pipeline provisions through. - detect.go: uv-vs-not-uv detection (biased toward uv, whose native project file is the pyproject.toml this command drives), the non-blaming guidance message for unsupported managers, and the ensureWritable preflight. Co-authored-by: Isaac
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Approving. Clean leaf of the stack: detectManager is pure-fs with no telemetry (matches its doc), the uv-bias logic is well-reasoned and fully table-tested, and ensureWritable + managerGuidance are covered. PackageManager interface is small and well-documented (the PostProvision/pip-seeding comment captures a real VS Code quirk). No findings.
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Why
[VPEX][5/8]) reads as +3,466 / 15 files on GitHub, but that is an artifact: PRs 1–4 were squash-merged intomainwhiledbconnect/05-pipelinestill sits on the pre-merge parent, so GitHub re-counts all of the already-merged code. The genuinely-new content in that layer is +1,165 / 5 files.PackageManagerinterface, manager detection, and the writability preflight — none of which reference the pipeline orchestrator.What
pkgmanager.go— thePackageManagerinterface the pipeline provisions through (implemented by the uv backend in a later PR).detect.go— uv-vs-not-uv detection (biased toward uv, whose native project file is thepyproject.tomlthis command drives), the non-blaming guidance message shown for an unsupported manager, and theensureWritablepreflight.pyprojectFileconstant moves here frompipeline.go, since detection is its first consumer.Testing strategy
detect_test.gocovers the detection matrix (greenfield, uv lock, plain pyproject, conda/pip precedence),ensureWritableon a writable and a non-existent dir, and the unsupported-manager guidance message.go build,go test,golangci-lint(0 issues),deadcode,gofmt— all green.About this stack
This is one of a series of small, stacked PRs that together add the
databricks local-env python synccommand. It supersedes the pipeline half of #5828, split further at the interface/detection seam. Review bottom-up.This PR and #5b (the six-phase pipeline orchestrator, stacked on this one) together replace #5828.
This pull request and its description were written by Isaac.