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docs: Platform Architecture modernization handoff for py7zip (2026-10-10) - #20
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Evidence-backed handoff at docs/handoffs/PLATFORM_ARCHITECTURE_PY7ZIP_2026-10-10.md: - OBSERVED baseline of the dual-runtime facade (safe runtime default since 9d428da series), artifact catalog verified against checked-in binaries, offline test suite, CI/publish workflows, and packaging state - 14 findings with file/line evidence, incl. PyPI still distributing legacy 0.6.2 (0.7.3 never published) and missing upstream binary provenance (issue #7) - PR #8 (webbrain/issue-7) relationship: superseding plan, not a merge target - Phased P0/P1/P2 tasks with scope, dependencies, files, validation, acceptance criteria, risks, and owner roles; no-big-bang migration path - Updates canonical ledger docs/PLANNING.md in place (annotations only) Docs-only change; no runtime code touched.
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📝 Walkthrough
Merge Risk: 🔵 Low · up to This documentation-only PR does not change runtime behavior, but its API and release guidance and some evidence and validation instructions need clarification before they guide API removals or artifact publication. The merge risk is bounded to follow-up on the handoff. Pre-merge checks |
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The title clearly identifies the documentation change: a Platform Architecture modernization handoff for py7zip dated 2026-10-10. It matches the main changes in the pull request. |
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No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0… |
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Actionable comments posted: 5
- 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @docs/handoffs/PLATFORM_ARCHITECTURE_PY7ZIP_2026-10-10.md:
- Line 302: Update the artifact checksum validation procedure to use recursive
file selection with find, hashing every non-empty file under bin; replace the
shell-glob-based sha256sum bin/**/* command.
- Line 134: Narrow F11 in the architecture document to state that no tracked
SECURITY.md, CONTRIBUTING.md, or CODE_OF_CONDUCT.md files were found, rather
than claiming they are absent everywhere in the repository. Replace the
`.github` directory listing evidence with a repository-wide tracked-file search
for those filenames and report that it returned no matches.
- Line 218: Clarify in the P0.5 publication criteria whether a P0.4 provenance
row marked UNKNOWN with an investigation task satisfies the gate or requires an
explicit maintainer exception. Align P0.5’s listed dependencies and release gate
with that decision so they consistently reflect the required P0.4 outcome.
- Line 137: Update the F14 entry and the corresponding command log in §9 to
record the normal GET result for the configured Project Page: curl error 52,
HTTP 000, and zero bytes. Replace the HEAD-only evidence with the GET check
details, and qualify the unusable-page statement as applying to that check.
- Around line 30-32: Add an explicit, approved P1.2 exception to the public
Py7zip API preservation requirement and state the migration decision for `cd`,
aligning the handoff with `COMPATIBILITY.md`; otherwise revise P1.2 to preserve
the existing API.
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docs/PLANNING.mddocs/handoffs/PLATFORM_ARCHITECTURE_PY7ZIP_2026-10-10.md
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Address all five review comments on PR #20: - Record the P1.2 exception to AGENTS.md API preservation in §2, with the cd migration decision (deprecate, then remove; no context-manager replacement), mirrored as a cd row in the COMPATIBILITY.md migration map - F11: narrow to 'no tracked' governance files; evidence is now a repository-wide 'git ls-files' search (no matches, 56 tracked files), not an '.github/' listing - F14: record the review-resolution GET result (curl 6, could not resolve host, HTTP 000, 0 bytes) plus the pypi.org HTTP 200 control in the finding and the §9 command log - P0.5: add P0.4 to dependencies; an UNKNOWN provenance row does not satisfy the publication gate on its own and requires an explicit maintainer exception recorded in the release decision - P2.1: replace the shell-glob checksum command with the recursive 'find bin -type f -size +0c -exec sha256sum {} +'; record all 8 non-empty bin/ digests in §4.2 (verified against the worktree) Also fix the P1.2 acceptance snippet to actually print its result. Co-Authored-By: Claude <noreply@anthropic.com>
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Summary
Docs-only handoff that makes the py7zip modernization executable without prior context. No runtime code is changed.
docs/handoffs/PLATFORM_ARCHITECTURE_PY7ZIP_2026-10-10.md— evidence boundary (branch9d428da, clean NVMe checkout, no suite run), current-state scorecard, OBSERVED baseline of the dual-runtime facade, 14 findings with file/line evidence, PR fix: Feat: support local 7zip installations, instead of downloading and running unchecked binaries directly from this Git repo. #8 relationship analysis, phased P0/P1/P2 tasks (scope, dependencies, exact files, validation commands, acceptance criteria, risks/rollback, owner roles), a no-big-bang migration path, and a decisions/UNKNOWN register.docs/PLANNING.md(canonical task ledger) — annotations only: PyPI still at 0.6.2 (0.7.3 unpublished),\_\_version\_\_AttributeError fixed on the default runtime, snapshot stubs pending P1.2, pointer to the new handoff.Key evidence-backed findings
shell=Trueruntime); the safe runtime has never shipped to pip users (checked via PyPI JSON API, 2026-10-10).bin/artifacts match theArtifactCatalogSHA-256s exactly (verified locally); no upstream 7-Zip provenance is recorded anywhere (issue Feat: support local 7zip installations, instead of downloading and running unchecked binaries directly from this Git repo. #7's core demand).get_binary_url()on the default runtime returns a path nothing creates (py7zip/py7zip.py:147-151).py7zip.py, with no CI workflow checks reported; its surviving ideas (local 7-Zip discovery, upstream-anchored checksums) are re-planned as P1.4/P0.4 rather than merged.Relationship to PR #8
This PR does not touch
py7zip/py7zip.pyand does not assume PR #8 is merged. The handoff recommends superseding PR #8 with an opt-in, tested discovery API (P1.4) after the provenance ledger (P0.4).Validation performed (actual)
git statusclean;findmnt -T $PWD→ NVMe (/dev/nvme0n1p2), not /nasgit diff --cached --name-only→ docs/ only; no runtime files touchedCf. #7 (referenced as evidence; not closed by this PR).
Summary by CodeRabbit