mirror of
https://github.com/Anon-Planet/thgtoa.git
synced 2026-06-10 15:52:29 +02:00
2/8 refactor(pdf): wire dark mode through convert.py
Removes the dead Chromium dark mode path and BeautifulSoup CSS injection code. Dark PDF is now produced by calling convert.py on the finished light PDF. --both builds light then dark; --dark alone works if the light PDF already exists. Signed-off-by: nopeitsnothing <no@anonymousplanet.org>
This commit is contained in:
nopeitsnothing
+53
-83
@@ -1,16 +1,14 @@
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#!/usr/bin/env python3
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"""Experimental dark mode support.
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This script builds both light and dark mode MkDocs site, then renders docs/guide/ to single PDFs via Chromium.
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"""Build light-mode PDF with MkDocs + Chromium, then produce dark-mode PDF via convert.py.
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Usage:
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python scripts/build_guide_pdf.py # Generate light mode PDF only
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python scripts/build_guide_pdf.py --dark-mode # Generate dark mode PDF only
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python scripts/build_guide_pdf.py --both # Generate both light and dark mode PDFs
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python scripts/build_guide_pdf.py # Light PDF only
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python scripts/build_guide_pdf.py --dark # Dark PDF only (requires light PDF to exist)
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python scripts/build_guide_pdf.py --both # Light PDF, then dark PDF
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Examples:
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python scripts/build_guide_pdf.py --site-dir build/html --pdf-light export/thgtoa.pdf
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python scripts/build_guide_pdf.py --dark-mode --pdf-dark export/thgtoa-dark.pdf
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python scripts/build_guide_pdf.py --both --pdf-light export/thgtoa.pdf --pdf-dark export/thgtoa-dark.pdf
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"""
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from __future__ import annotations
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@@ -68,15 +66,11 @@ def run_mkdocs(site_dir: Path) -> None:
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)
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def print_to_pdf(browser: Path, html_file: Path, pdf_out: Path, dark_mode: bool = False) -> Path:
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"""Write PDF to ``pdf_out``. Uses a temp file first so an open ``guide.pdf`` on Windows
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does not block the build: if the final path is locked, writes ``guide-new.pdf`` instead.
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def print_to_pdf(browser: Path, html_file: Path, pdf_out: Path) -> Path:
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"""Render html_file to pdf_out via headless Chromium.
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Args:
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browser: Path to Chromium executable
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html_file: Path to HTML file to convert
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pdf_out: Output PDF path
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dark_mode: If True, use dark mode color scheme via --prefers-color-scheme flag
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Uses a temp file first so an open guide.pdf on Windows does not block the
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build; if the final path is still locked, writes guide-new.pdf instead.
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"""
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pdf_out.parent.mkdir(parents=True, exist_ok=True)
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partial = pdf_out.parent / f".{pdf_out.name}.writing"
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@@ -84,32 +78,23 @@ def print_to_pdf(browser: Path, html_file: Path, pdf_out: Path, dark_mode: bool
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uri = html_file.resolve().as_uri()
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# Chromium headless print; allow time for fonts/images on very large pages.
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cmd = [str(browser)]
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if os.environ.get("CI"):
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# GitHub Actions / other CI runners often need these for Chromium to start.
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cmd += [
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"--no-sandbox",
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"--disable-setuid-sandbox",
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"--disable-dev-shm-usage",
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]
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cmd += [
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"--headless=new",
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"--disable-gpu",
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"--no-pdf-header-footer",
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]
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# Add dark mode preference if requested
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if dark_mode:
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cmd.append("--prefers-color-scheme=dark")
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cmd += [
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f"--print-to-pdf={partial.resolve()}",
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uri,
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]
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subprocess.run(cmd, check=True, timeout=600)
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deadline = time.time() + 120
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while time.time() < deadline:
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if partial.exists() and partial.stat().st_size > 0:
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@@ -131,42 +116,23 @@ def print_to_pdf(browser: Path, html_file: Path, pdf_out: Path, dark_mode: bool
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partial.replace(pdf_out)
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return pdf_out
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def generate_dark_mode_html(html_file: Path, output_file: Path, dark_css_path: Path) -> None:
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"""Create a temporary HTML file with dark mode stylesheet applied.
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This is used when we need to force dark mode rendering via CSS rather than browser flags.
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"""
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try:
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from bs4 import BeautifulSoup
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# Read the original HTML
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html_content = html_file.read_text(encoding='utf-8')
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soup = BeautifulSoup(html_content, 'html.parser')
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# Add dark mode stylesheet link if not present
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existing_links = [link.get('href', '') for link in soup.find_all('link', rel='stylesheet')]
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if not any(dark_css_path.name in link for link in existing_links):
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head = soup.head or soup.new_tag('head')
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link_tag = soup.new_tag('link', rel='stylesheet', href=str(dark_css_path))
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if soup.head:
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soup.head.append(link_tag)
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else:
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# Create a new head section
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new_head = soup.new_tag('head')
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new_head.append(link_tag)
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soup.insert(0, new_head)
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# Write the modified HTML
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output_file.parent.mkdir(parents=True, exist_ok=True)
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output_file.write_text(str(soup), encoding='utf-8')
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except ImportError:
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print("BeautifulSoup not available. Skipping CSS injection.")
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# Use scripts/convert.py in place of broken dark-mode hack
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def build_dark_pdf(light_pdf: Path, dark_pdf: Path) -> Path:
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"""Convert the light PDF to dark mode using scripts/convert.py."""
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convert_script = repo_root() / "scripts" / "convert.py"
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print(f"Converting {light_pdf.name} → {dark_pdf.name} (dark mode)…")
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subprocess.run(
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[sys.executable, str(convert_script), str(light_pdf), str(dark_pdf)],
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check=True,
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)
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return dark_pdf
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def main() -> int:
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root = repo_root()
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ap = argparse.ArgumentParser(description="Build MkDocs + single-page guide PDF (light and/or dark mode).")
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ap = argparse.ArgumentParser(
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description="Build MkDocs + single-page guide PDF (light and/or dark mode)."
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)
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ap.add_argument(
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"--site-dir",
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type=Path,
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@@ -177,30 +143,34 @@ def main() -> int:
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"--pdf-light",
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type=Path,
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default=root / "export" / "thgtoa.pdf",
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help="Output PDF path for light mode (default: ./export/thgtoa.pdf)",
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help="Output path for light PDF (default: ./export/thgtoa.pdf)",
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)
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ap.add_argument(
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"--pdf-dark",
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type=Path,
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default=root / "export" / "thgtoa-dark.pdf",
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help="Output PDF path for dark mode (default: ./export/thgtoa-dark.pdf)",
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help="Output path for dark PDF (default: ./export/thgtoa-dark.pdf)",
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)
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ap.add_argument("--skip-mkdocs", action="store_true", help="Reuse existing site dir; only run print-to-pdf.")
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ap.add_argument("--dark-mode", action="store_true", help="Generate dark mode PDF only")
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ap.add_argument("--both", action="store_true", help="Generate both light and dark mode PDFs")
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ap.add_argument(
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"--skip-mkdocs",
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action="store_true",
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help="Reuse existing site dir; skip MkDocs build.",
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)
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mode = ap.add_mutually_exclusive_group()
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mode.add_argument("--dark", action="store_true", help="Dark PDF only (light PDF must already exist)")
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mode.add_argument("--both", action="store_true", help="Build light PDF, then dark PDF")
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# default (no flag) = light only
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args = ap.parse_args()
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# Determine which modes to generate
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if args.dark_mode:
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modes = ["dark"]
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elif args.both:
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modes = ["light", "dark"]
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else:
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modes = ["light"]
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build_light = not args.dark
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build_dark = args.dark or args.both
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# --- Light PDF (Chromium) ---
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if build_light:
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guide_html = args.site_dir / "guide" / "index.html"
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if not args.skip_mkdocs or any(mode == "light" for mode in modes):
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if not args.skip_mkdocs:
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run_mkdocs(args.site_dir)
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if not guide_html.is_file():
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@@ -216,29 +186,29 @@ def main() -> int:
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)
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return 1
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dark_css_path = root / "docs" / "stylesheets" / "dark-extra.css"
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# Generate light mode PDF (default)
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if "light" in modes:
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out_light = print_to_pdf(browser, guide_html, args.pdf_light, dark_mode=False)
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out_light = print_to_pdf(browser, guide_html, args.pdf_light)
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size_kb = out_light.stat().st_size // 1024
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print(f"Wrote {out_light.resolve()} ({size_kb} KiB) [Light Mode]")
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if out_light.resolve() != args.pdf_light.resolve():
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print(
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f"Note: {args.pdf_light.name} was in use; close it and rename or replace with the file above.",
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f"Note: {args.pdf_light.name} was in use; "
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"close it and rename or replace with the file above.",
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file=sys.stderr,
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)
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# Generate dark mode PDF
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if "dark" in modes:
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out_dark = print_to_pdf(browser, guide_html, args.pdf_dark, dark_mode=True)
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size_kb = out_dark.stat().st_size // 1024
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print(f"Wrote {out_dark.resolve()} ({size_kb} KiB) [Dark Mode]")
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if out_dark.resolve() != args.pdf_dark.resolve():
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# --- Dark PDF (pixel converter) ---
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if build_dark:
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if not args.pdf_light.exists():
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print(
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f"Note: {args.pdf_dark.name} was in use; close it and rename or replace with the file above.",
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f"Light PDF not found at {args.pdf_light}. "
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"Run without --dark first, or use --both.",
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file=sys.stderr,
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)
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return 1
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out_dark = build_dark_pdf(args.pdf_light, args.pdf_dark)
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size_kb = out_dark.stat().st_size // 1024
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print(f"Wrote {out_dark.resolve()} ({size_kb} KiB) [Dark Mode]")
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return 0
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