CalvinBackup/remove-ai-watermarks
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feat: strip AI-provenance EXIF tags on removal (v0.5.6)

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remove_ai_metadata now scrubs AI tags from the JPEG EXIF instead of passing
the block through wholesale. Closes the v0.5.5 follow-up: the xAI/Grok
Signature + UUID-Artist pair was detected but not removed.

- metadata._scrub_ai_exif(): deletes the xAI signature pair and any
  Software/Make/Artist/ImageDescription tag carrying an AI_GENERATOR_TOKENS
  token (so Ideogram's Make="Ideogram AI" is scrubbed too), keeping genuine
  camera/editor EXIF intact.
- Shared _is_xai_signature_pair / _exif_text helpers (module-level compiled
  regexes) are now the single source of truth, used by both xai_signature
  and _scrub_ai_exif.
- Tests: Grok signature stripped on JPEG output, Ideogram Make stripped,
  real-camera Make ("Apple") preserved. 325 passing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
test-user
2026-05-26 14:26:20 -07:00
parent 74618b91a7
commit ba94de8275
6 changed files with 110 additions and 18 deletions
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pyproject.toml
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@@ -1,6 +1,6 @@
[project]
name = "remove-ai-watermarks"
version = "0.5.5"
version = "0.5.6"
description = "Remove visible and invisible AI watermarks from images (Gemini / Nano Banana, ChatGPT, Stable Diffusion)"
readme = "README.md"
requires-python = ">=3.10"