69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
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import json
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import sys
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from pathlib import Path
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from PIL import Image, ImageOps
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from pptx import Presentation
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from pptx.util import Inches
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def main() -> None:
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if len(sys.argv) != 3:
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raise SystemExit("Usage: python html_to_ppt_make.py <image-dir> <output-pptx>")
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image_dir = Path(sys.argv[1])
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output_pptx = Path(sys.argv[2])
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output_pptx.parent.mkdir(parents=True, exist_ok=True)
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labels_path = image_dir / "slides.json"
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labels = {}
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if labels_path.exists():
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labels = {item["index"]: item["label"] for item in json.loads(labels_path.read_text(encoding="utf-8"))}
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image_paths = sorted(image_dir.glob("slide_*.png"))
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if not image_paths:
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raise SystemExit(f"No slide PNGs found in {image_dir}")
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prs = Presentation()
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prs.slide_width = Inches(13.333333)
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prs.slide_height = Inches(7.5)
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blank_layout = prs.slide_layouts[6]
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for image_path in image_paths:
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slide_num = int(image_path.stem.split("_")[-1])
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slide = prs.slides.add_slide(blank_layout)
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picture = slide.shapes.add_picture(
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str(image_path),
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0,
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0,
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width=prs.slide_width,
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height=prs.slide_height,
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)
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picture.name = labels.get(slide_num, image_path.stem)
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prs.save(output_pptx)
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montage_path = output_pptx.with_suffix(".preview.png")
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thumbs = []
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for image_path in image_paths:
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img = Image.open(image_path).convert("RGB")
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img.thumbnail((384, 216), Image.Resampling.LANCZOS)
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thumbs.append(ImageOps.expand(img, border=2, fill=(30, 30, 30)))
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cols = 5
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rows = (len(thumbs) + cols - 1) // cols
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montage = Image.new("RGB", (cols * 388, rows * 220), (12, 15, 24))
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for idx, thumb in enumerate(thumbs):
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x = (idx % cols) * 388
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y = (idx // cols) * 220
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montage.paste(thumb, (x, y))
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montage.save(montage_path)
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print(f"pptx={output_pptx}")
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print(f"preview={montage_path}")
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print(f"slides={len(image_paths)}")
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if __name__ == "__main__":
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main()
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