| """Adapt the BaFCo release export to the structures the eval/inference pipeline expects.""" |
| import json |
| import os |
| import shutil |
|
|
|
|
| def _load(path): |
| with open(path, "r", encoding="utf-8") as f: |
| return json.load(f) |
|
|
|
|
| def load_dla_targets(export_path): |
| targets = [] |
| for f in _load(export_path): |
| result = [] |
| for pg in f.get("pages", []): |
| ow, oh = pg.get("original_width"), pg.get("original_height") |
| for b in pg.get("boxes", []): |
| result.append({ |
| "type": "rectanglelabels", |
| "id": b.get("id"), |
| "original_width": ow, |
| "original_height": oh, |
| "item_index": pg.get("page", 0), |
| "image_rotation": 0, |
| "value": { |
| "x": b.get("x"), "y": b.get("y"), |
| "width": b.get("width"), "height": b.get("height"), |
| "rotation": b.get("rotation", 0), |
| "rectanglelabels": [b.get("label")], |
| }, |
| }) |
| for r in f.get("relations", []): |
| result.append({"type": "relation", "from_id": r.get("from_id"), |
| "to_id": r.get("to_id"), "direction": r.get("direction")}) |
| targets.append({ |
| "id": f["id"], |
| "inner_id": f.get("inner_id", f["id"]), |
| "data": {"pages": list(f.get("local_images", []))}, |
| "annotations": [{"result": result}], |
| }) |
| return targets |
|
|
|
|
| def load_kie_forms(export_path): |
| forms = _load(export_path) |
| for f in forms: |
| if "id" not in f or "annotations" not in f: |
| raise ValueError(f"KIE form missing id/annotations: {f.get('id')}") |
| for pg in f["annotations"]: |
| if "page" not in pg or "annotations" not in pg: |
| raise ValueError(f"KIE form {f['id']} page block missing page/annotations") |
| return forms |
|
|
|
|
| def resolve_release_image(export_root, form, page_index): |
| rels = form.get("local_images") or [] |
| if not 0 <= page_index < len(rels): |
| raise IndexError(f"page {page_index} out of range for form {form.get('id')}") |
| return os.path.join(export_root, *rels[page_index].split("/")) |
|
|
|
|
| def stage_kie_flat_images(export_path, dest_dir): |
| export_root = os.path.dirname(os.path.abspath(export_path)) |
| os.makedirs(dest_dir, exist_ok=True) |
| n = 0 |
| for f in _load(export_path): |
| for page_index, rel in enumerate(f.get("local_images", [])): |
| src = os.path.join(export_root, *rel.split("/")) |
| ext = os.path.splitext(rel)[1] or ".jpg" |
| shutil.copy2(src, os.path.join(dest_dir, f"{f['id']}_{page_index}{ext}")) |
| n += 1 |
| return n |
|
|
