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Legacy versions

This directory preserves the original layouts of earlier versions for reference only. Do not use these for new work — they are not maintained and have known issues that the current root-level v3.0_initial layout fixes.

Contents

  • v1.0_initial/ — The original 5-file flat layout (Dockerfile, advanced_ocr.py, custom_doclayout_yolo.py, ocr_stage1.py, ocr_stage2.py).
  • v2.0_initial/ — Same 5 files with the v2 patch applied (Docker permission fix on Jupyter / Vertex AI, plus memory optimizations in advanced_ocr.py). See ../changes/v2.0_initial.md for what changed from v1 → v2.

Why these are kept

  • Historical reference for users who built on top of v1 or v2.
  • Reproducibility of past runs (the exact code that produced earlier results lives here).
  • A diff anchor: comparing legacy/v2.0_initial/advanced_ocr.py with src/ocr/advanced_ocr.py shows the v2 → v3 changes in code form.

New work

Use the root-level v3.0_initial layout:

  • src/ocr/ — OCR engine modules
  • src/stages/ — Stage execution wrappers
  • auto_run_*.py, auto_run.yaml, config.yaml, prompts/ — orchestration and configuration

See ../setup_guide.md and ../usage.md.

For the full v2 → v3 migration summary, see ../changes/2026-05-13_v3.0_release.md.