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Runtime error
| """Draws a sample opening slide in each slide deck theme with a local Chrome, for the theme picker's thumbnails. | |
| python scripts/render_slide_thumbnails.py # writes ../frontend/public/slides/<theme>.png | |
| Set CHROME to the browser binary if it is not found (see app.infographics.image.chrome).""" | |
| import subprocess | |
| import sys | |
| import tempfile | |
| from pathlib import Path | |
| sys.path.insert(0, str(Path(__file__).resolve().parents[1])) | |
| from PIL import Image # noqa: E402 | |
| from app.infographics.image import chrome # noqa: E402 | |
| from app.slides.content import clamp_deck # noqa: E402 | |
| from app.slides.render import slide_html # noqa: E402 | |
| from app.slides.themes import THEMES # noqa: E402 | |
| SAMPLE = {"title": "Your ideas, in orbit", "slides": [ | |
| {"layout": "title", "kicker": "Slide deck", "heading": "Your ideas, in orbit", | |
| "lead": "Every post you have written, turned into a story worth presenting."}, | |
| ]} | |
| PICK = {"dark-space": "b", "light-space": "a"} # each theme's most telling opener | |
| if __name__ == "__main__": | |
| binary = chrome() | |
| if not binary: | |
| sys.exit("No Chrome found: set CHROME") | |
| folder = Path(__file__).resolve().parents[2] / "frontend/public/slides" | |
| folder.mkdir(parents=True, exist_ok=True) | |
| deck = clamp_deck(SAMPLE, "presenter") | |
| for tid in THEMES: | |
| deck["slides"][0]["variant"] = PICK[tid] | |
| with tempfile.TemporaryDirectory() as tmp: | |
| src, shot = Path(tmp) / "s.html", Path(tmp) / "s.png" | |
| src.write_text(slide_html(deck, 0, tid, "presenter", 2024), encoding="utf-8") | |
| subprocess.run([binary, "--headless=new", "--disable-gpu", "--no-sandbox", "--hide-scrollbars", | |
| "--force-device-scale-factor=1", f"--user-data-dir={tmp}/p", "--window-size=1920,1080", | |
| "--virtual-time-budget=8000", f"--screenshot={shot}", f"file://{src}"], | |
| check=True, capture_output=True, timeout=120) | |
| Image.open(shot).convert("RGB").resize((800, 450), Image.LANCZOS).save(folder / f"{tid}.png", optimize=True) | |
| print(folder / f"{tid}.png") | |