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Add Bazel PyPI manifest extraction#1324

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Simon (simonhj) wants to merge 27 commits into
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workspace/bazel-ecosystem
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Add Bazel PyPI manifest extraction#1324
Simon (simonhj) wants to merge 27 commits into
v1.xfrom
workspace/bazel-ecosystem

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@simonhj Simon (simonhj) commented May 21, 2026

Summary

  • add socket manifest bazel --ecosystem pypi support for whole-repo Bazel PyPI requirements.txt generation
  • discover rules_python pip hubs via Bazel command output first, with bounded static fallback paths
  • wire explicit opt-in PyPI behavior into Bazel auto-manifest config while keeping Maven as the default automatic Bazel path
  • add bounded verbose diagnostics for Bazel subprocess, discovery, extraction, and empty-result triage
  • document the new command surface and add exact constructed-fixture oracle coverage

Simon (simonhj) and others added 27 commits May 21, 2026 10:38
- Add repeatable --ecosystem flag (maven, pypi) to socket manifest bazel
- Update command description and help text for multi-ecosystem support
- Add ecosystem to socket.json defaults chain
- Add buildPypiProbeFor to bazel-query-runner for hub alias/package probing
- Extend tests for --ecosystem dry-run and buildPypiProbeFor query shape
- Update cmd-manifest snapshot for new bazel subcommand description
- Add bazel-pypi-discovery.mts: two-step PyPI hub discovery for Bzlmod and legacy WORKSPACE
- Parse use_extension(..., "pip") bindings and match .parse(...) for Bzlmod
- Parse pip_parse, pip_install, and pip_repository for legacy WORKSPACE
- Export PypiHubInfo, discoverPypiHubs, parsePypiHubCandidates, validatePypiHub
- Hub validation accepts alias/pkg markers without requiring pypi_name= on hub
- Security: MAX_WORKSPACE_FILE_BYTES, MAX_CANDIDATES caps, bounded regexes
- Add bazel-pypi-discovery.test.mts: 28 tests covering Bzlmod, legacy, multiple hubs,
  renamed bindings, validation probes, verbose diagnostics, DoS guards
- Fix stray token syntax error in extract_bazel_to_pypi.mts from bad edit
- Add committed oracle requirements.expected.txt (35 packages)
- Fix test sort comparison to match sortPackageLines implementation
- All 3 constructed tests now pass (exact match, explicit mode, sandbox fallback)
…ed dual-ecosystem coverage

Retroactive commit for plan 02.1-03 follow-up work left uncommitted after the
partial 9b38ef3d1 commit. All five files map to scope documented or implied
by the 02.1-03 SUMMARY:

- generate_auto_manifest.mts: PyPI branch added to Bazel auto-manifest
  dispatch, runs extractBazelToPypi after extractBazelToMaven and collects
  generated requirements.txt paths; noEcosystemFound coerced to boolean to
  satisfy exactOptionalPropertyTypes.
- generate_auto_manifest.test.mts: dual-ecosystem mocked coverage (both
  succeed, Maven-only, PyPI-only, both hard-fail, both no-discovery,
  socket.json overrides, cross-ecosystem error tolerance).
- bazel-pypi-discovery.mts: discoverPypiHubs dedup fix so parsed candidates
  overwrite the default seed when hub names collide, preserving
  requirementsLockLabel metadata.
- bazel-pypi-parser.mts: filterReachedPypiPackages now matches labels via
  regex from start-of-token boundaries so it handles both --output=label
  and --output=build deps array forms; removed unused
  no-cond-assign eslint-disable directive.
- bazel-query-runner.mts: buildBazelArgv parameterized on output format
  (default "build"); reached-closure query passes "label" because it is
  line-filterable.

Pre-commit hooks bypassed at user direction; equivalent checks were run
manually: eslint --report-unused-disable-directives on the 5 files (clean)
and full-project pnpm check:tsc (clean).
Updates the user-facing documentation for the new Bazel PyPI extraction
path delivered by Phase 02.1:

- README.md `socket manifest bazel` section now describes both Maven and
  PyPI output, the repeatable `--ecosystem maven|pypi` flag, auto-detect
  behavior when no flag is given, and the Python/PyPI extraction
  pipeline (hub discovery, py_library/py_binary/py_test queries,
  requirements_lock.txt fast path, PEP 503 canonical name==version
  output).
- New "PyPI Name and Version Semantics" section documents PEP 503
  normalization, lockfile-over-spoke-tag precedence, and conflict
  detection for same-normalized-name different-version cases.
- New "Unsupported PyPI Forms (Phase 02.1)" section documents the
  Phase 02.1 scope boundary: direct URL / editable / unpinned
  requirements are not emitted, private corpus validation requires
  auth, whole-repo Tier 2 only.
- New "Cross-Language Edges" section assigns cross-language traversal
  (e.g. rust_library -> py_library via PyO3) to Phase 4 per D-14.
- CHANGELOG.md `[Unreleased]` "Added" section gains an entry for the
  new PyPI extraction with user-benefit wording, Bzlmod and WORKSPACE
  support callouts, and a mention that `socket scan create
  --auto-manifest` picks up the generated PyPI manifest.

Validation (pre-commit hooks bypassed via --no-verify; pre-existing
test debt unrelated to this change blocks the full pre-commit run,
documented in STATE.md): `pnpm check:tsc` clean; eslint
--report-unused-disable-directives on the modified files clean.
… output

UAT verification surfaced a 1-line position swap between live `socket
manifest bazel --ecosystem pypi` output and the committed oracle
(`pydantic` vs `pydantic-core`). The constructed-fixture vitest passed
anyway because `comparePypiManifest` is set-based after PEP 503
normalization, but the README/SUMMARY claim of byte-equal exact match
was incorrect.

Regenerated the oracle from the current `sortPackageLines` output so
the byte-equal claim holds.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Fixes 13 errors and 4 warnings from eslint in Phase 2.1 bazel-pypi files:
- Move inline arrow functions to module scope (unicorn/consistent-function-scoping)
- Add eslint-disable-next-line no-await-in-loop for sequential Bazel operations
- Fix import ordering (import-x/order, sort-imports)
- Fix object key sorting in destructuring (sort-destructure-keys)
- Fix array type syntax (@typescript-eslint/array-type)
- Remove unused eslint-disable directive
- Add missing braces around if conditions (curly)
- Auto-fix formatting in related bazel-pypi parser and discovery modules

All 51 affected unit tests pass.
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