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v0.4.0 - Reliability, performance & Android compatibility

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@eyalgal eyalgal released this 27 Apr 22:01
v0.4.0
21cfd89
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This release addresses the review feedback from #1 and the Android-tablet blank-render bug.

Fixes

  • HTTP response leak fixed - the aiohttp response is now released via async with, preventing connection-pool exhaustion on long-running slideshows
  • PIL images explicitly closed on discard/consumption in all rendering paths (real impact on 4 GB devices like the HA Green)
  • Android-friendly JPEGs - encoded as baseline (non-progressive) with 4:2:0 subsampling and no EXIF, maximising compatibility with Android WebView and older clients. Likely cause of the Android-tablet blank-render bug.
  • DecompressionBomb protection - 80 MP image ceiling protects low-memory devices from a pathological album entry
  • Download size cap (64 MB) with streaming read and Content-Length pre-check
  • Content-Type validation rejects HTML captive-portal / error pages served as HTTP 200

Performance

  • _DownloadCache rewritten on collections.OrderedDict - O(1) get/put/evict (was O(n) per evicted entry under pressure)
  • Metadata-first orientation checks - when a MediaItem has width/height (Google Photos always does), is_portrait is resolved without downloading or decoding. Pairing and skip-mismatch loops no longer pay a decode cost per rejected candidate
  • PIL draft mode - open_image(target_size=(w, h)) lets libjpeg decode JPEGs at a reduced scale when the source is much larger than the render canvas

Correctness

  • Peek vs commit advance - _skip_mismatch_and_render now peek-advances for rejected candidates so the random cycle is not consumed, preventing premature repeats
  • _wait_or_interrupt(timeout) helper encapsulates the clear() + wait_for() pattern
  • Last-frame cache in SlideshowStore - a camera reload rehydrates the framebuffer instantly instead of returning None until the first render completes
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