fix(deps): pin pillow-heif to 1.4.0 to unbreak the armhf build - #3218
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vpetersson merged 2 commits intoJul 27, 2026
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pillow-heif 1.5.0 (introduced by the dependabot python-group bump in Screenly#3214) requires libheif >= 1.23.1 to build from source — its _pillow_heif.c carries `#error "pillow_heif requires libheif >= 1.23.1"` and includes libheif/heif_tiling.h. Debian trixie ships libheif 1.19.8. arm64/x86 install a prebuilt pillow-heif wheel, so they never compile and were unaffected. armhf (pi2/pi3) has no wheel: uv builds from source and the compile fails, which broke the pi2/pi3 server images and turned the whole master docker-build matrix red (publish-latest skipped, so the floating latest-<board> tags went stale and no release could be cut). Hold at 1.4.0 (the last version that built on armhf; the deployed fleet already runs it) until trixie carries libheif >= 1.23.1 or a 1.5.x with armhf wheels lands. Only pillow-heif changes in the lockfile. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HJ3ucEkn62cbgPoisAZ5LQ
Guard the pin from the previous commit: pillow-heif >= 1.5.0 needs libheif >= 1.23.1 to build from source, which Debian trixie (1.19.8) can't satisfy on armhf (no wheel), breaking the pi2/pi3 build legs. Ignore >= 1.5.0 so dependabot won't re-propose it, while still allowing 1.4.x patch updates. Revisit when trixie carries libheif >= 1.23.1. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HJ3ucEkn62cbgPoisAZ5LQ
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Added a matching dependabot guard ( |
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vpetersson
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Jul 27, 2026
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Problem
The master
docker-build.yamlmatrix is red — thebuildx (pi2)andbuildx (pi3)(32-bit armhf) legs fail,publish-latestis skipped as a result (so the floatinglatest-<board>tags are stale), and no release can be cut (the disk-image preflight requires every board's images in GHCR).Root cause
The dependabot python-group bump in #3214 moved pillow-heif
1.4.0 → 1.5.0. Confirmed from the sdist sources:pillow_heif-1.5.0/.../_pillow_heif.ccontains#error "pillow_heif requires libheif >= 1.23.1"and#include "libheif/heif_tiling.h".1.4.0has neither.apt-cache policy libheif-dev→1.19.8-1).arm64/x86 install a prebuilt pillow-heif wheel, so they never compile and were unaffected. armhf (pi2/pi3) has no wheel → uv builds from source → the compile hits the version guard and fails:
It's a compile-time
#error, so re-running the job does nothing — it needs this pin.Fix
Pin
pillow-heif==1.4.0(the last version that built on armhf; the deployed fleet already runs it). Only pillow-heif changes in the lockfile — no other dependency drift. Added a comment at the pin telling dependabot/future-us not to bump past 1.4.0 until trixie carries libheif ≥ 1.23.1 (or a 1.5.x with armhf wheels lands).No product-code change; image behaviour on every board is unchanged from before #3214.
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