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| from __future__ import annotations | |
| import argparse | |
| import json | |
| import logging | |
| import sys | |
| from pathlib import Path | |
| from .config import RenderConfig | |
| from .renderer import render_document | |
| def _parse_pages(s: str) -> list[int]: | |
| pages: list[int] = [] | |
| for part in s.split(","): | |
| part = part.strip() | |
| if "-" in part: | |
| a, b = part.split("-", 1) | |
| pages.extend(range(int(a), int(b) + 1)) | |
| else: | |
| pages.append(int(part)) | |
| return pages | |
| def main() -> None: | |
| ap = argparse.ArgumentParser(description="Phase 3: render translated scanned PDF") | |
| ap.add_argument("--pdf", required=True, help="Original scanned PDF") | |
| ap.add_argument("--parsed", required=True, help="Translated JSON (phase 2 output)") | |
| ap.add_argument("--output", required=True, help="Output PDF path") | |
| ap.add_argument("--font-config", default=None, help="JSON font/render config file") | |
| ap.add_argument( | |
| "--font-family", | |
| default="Helvetica", | |
| help="Typst font (single name or comma-separated fallback chain)", | |
| ) | |
| ap.add_argument( | |
| "--font-path", | |
| action="append", | |
| default=[], | |
| dest="font_paths", | |
| help="Typst --font-path directory (repeatable)", | |
| ) | |
| ap.add_argument("--pages", default=None, help="Page filter e.g. 0-4,7,10") | |
| ap.add_argument("--min-font", type=float, default=7.0, dest="min_font_size_pt") | |
| ap.add_argument("--typst-bin", default="typst", help="Path to typst binary") | |
| ap.add_argument( | |
| "--keep-typst-source", | |
| action="store_true", | |
| help="Save intermediate .typ file alongside output", | |
| ) | |
| ap.add_argument( | |
| "--no-bg-sampling", | |
| action="store_true", | |
| help="Disable background color sampling (use white)", | |
| ) | |
| ap.add_argument( | |
| "--no-redact", | |
| action="store_true", | |
| help="Skip native text layer redaction (faster, but original text remains selectable)", | |
| ) | |
| ap.add_argument( | |
| "--aggressive-compress", | |
| action="store_true", | |
| help="Re-encode images via pikepdf", | |
| ) | |
| ap.add_argument("--verbose", action="store_true") | |
| args = ap.parse_args() | |
| logging.basicConfig( | |
| level=logging.DEBUG if args.verbose else logging.INFO, | |
| format="%(asctime)s %(levelname)s %(message)s", | |
| ) | |
| if args.font_config: | |
| cfg = RenderConfig.from_json(args.font_config) | |
| else: | |
| cfg = RenderConfig() | |
| # CLI args override config file | |
| if args.font_family: | |
| fonts = [f.strip() for f in args.font_family.split(",") if f.strip()] | |
| cfg.font_family = fonts[0] if len(fonts) == 1 else fonts | |
| if args.font_paths: | |
| cfg.typst_font_paths = args.font_paths | |
| cfg.typst_binary = args.typst_bin | |
| cfg.min_font_size_pt = args.min_font_size_pt | |
| cfg.keep_typst_source = args.keep_typst_source | |
| cfg.compress.pikepdf_image_recompress = args.aggressive_compress | |
| if args.no_bg_sampling: | |
| cfg.background.enabled = False | |
| cfg.text_color.enabled = False | |
| if args.no_redact: | |
| cfg.redact_native_text = False | |
| if args.pages: | |
| cfg.pages = _parse_pages(args.pages) | |
| parsed = json.loads(Path(args.parsed).read_text(encoding="utf-8")) | |
| try: | |
| stats = render_document(args.pdf, parsed, args.output, cfg) | |
| print( | |
| f"Done: pages={stats['pages']} rendered={stats['elements_rendered']} " | |
| f"skipped={stats['elements_skipped']} cells={stats['cells_rendered']}" | |
| ) | |
| except RuntimeError as e: | |
| print(f"ERROR: {e}", file=sys.stderr) | |
| sys.exit(1) | |
| if __name__ == "__main__": | |
| main() | |