---
title: "2026-08-28 Infrastructure vxData SDK S3 structural review"
description: "Reviewed the staged vxData SDK S3 module split for behavior, imports, cycles, and packaging."
image: "https://docs.virdx.dev/img/virdx-social-card.png"
---

> Documentation Index
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# 2026-08-28 Infrastructure vxData SDK S3 structural review

## Work Done

- Reviewed the staged `vxdata-sdk` refactor that moves S3 code into `vxdata.sdk.s3`.
- Checked repository-wide references to the removed module paths and inspected the new import graph.
- Ran the package tests, type checker, linter, direct module-import smoke test, and a wheel-content check.
- Found no blocking issue. Noted a small annotation-introspection drift because two moved modules no longer enable postponed annotations.

## Lessons Learned: Pitfalls

- The general infrastructure SOP was useful for ownership context but did not contain details needed for a local structural code review.
- The Pixi environment does not install the PEP 517 build backend, so `python -m hatchling build` is unavailable even though Hatchling is declared in `build-system`. `uv build` can still perform an isolated wheel build.

## Lessons Learned: Improvements

- A reusable structural-move checklist should include repository-wide old-path searches, import smoke tests, and wheel-content inspection.
- When splitting a module, preserve module-level future imports because annotation runtime representation is observable even if function behavior is unchanged.

Source: https://docs.virdx.dev/knowledge/inbox/2026-08-28-infrastructure-vxdata-sdk-s3-structural-review/index.mdx