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Ruben Fiszel 2527c12511 fix(python): verify wheel RECORD on cache pull/install, finalize piptar (#9090 )

The Python per-package dependency cache could persist an incomplete wheel
extraction with `.valid.windmill` set, then propagate that broken artifact
to every worker through the object store. Customer hit this on
argon2-cffi==25.1.0 (missing argon2/_utils.py), and previously on
botocore/httpx (truncated tars). Symptom is a runtime ImportError that
looks like a missing dependency declaration rather than a Windmill bug.

Three changes that together stop the propagation:

1. After `pull_from_tar`, parse the wheel's `<dist-info>/RECORD` and
   confirm every listed path exists on disk before writing
   `.valid.windmill`. On failure, wipe the directory and fall through
   to a fresh local install — the next install also self-heals the
   broken object-store entry by pushing a fresh tar.

2. After `uv pip install` succeeds, run the same RECORD check before
   queuing the piptar upload or writing `.valid.windmill`. A bad install
   never becomes the source of a broken tar in the object store.

3. Finalize the tar (`drop(tar.into_inner()?)`) before reading its bytes
   for upload, so we never push an unfinalized archive (no end-of-archive
   marker) to the object store.

Verified with a 60-package end-to-end integration test (first-fill →
clear-local-cache → re-pull-from-objectstore → corrupt-objectstore-tar
→ detect-and-self-heal). All 27 packages on the live test pulled cleanly,
and the deliberately corrupted argon2-cffi tar was caught with the exact
expected log line ("wheel RECORD lists files missing on disk: argon2/_utils.py")
and replaced with a fresh tar.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-09 21:21:45 +00:00

nsjail

fix: rust nsjail RUSTUP_HOME mount and arch-aware cache keys (#8890 )

2026-04-21 05:21:22 -04:00

src

fix(python): verify wheel RECORD on cache pull/install, finalize piptar (#9090 )

2026-05-09 21:21:45 +00:00

build.rs

refactor: isolate deno_core into windmill-runtime-nativets subcrate (#7848 )

2026-02-08 09:16:37 +00:00

Cargo.toml

perf(flows): cache resolved flow_env per flow execution (#9079 )