Files
Stirling-PDF/AI-Document-Generator-main/backend/scripts/generate_template_thumbnails.py
T
2026-01-04 21:17:35 +00:00

263 lines
9.6 KiB
Python

import re
import shutil
import subprocess
import tempfile
from pathlib import Path
ROOT_DIR = Path(__file__).resolve().parents[2]
TEMPLATE_ROOT = ROOT_DIR / "backend" / "templates"
FRONTEND_PUBLIC = ROOT_DIR / "frontend" / "public" / "templates"
FRONTEND_CATALOG = ROOT_DIR / "frontend" / "src" / "templateCatalog.ts"
TIMEOUT_SEC = 60
LOREM_SENTENCE = (
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt "
"ut labore et dolore magna aliqua."
)
LOREM_PARAGRAPH = (
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt "
"ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco "
"laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in "
"voluptate velit esse cillum dolore eu fugiat nulla pariatur."
)
LOREM_SHORT = "Lorem ipsum dolor sit amet, consectetur adipiscing elit."
PLACEHOLDER_REPLACEMENTS = {
"TITLE": "Sample Title",
"SUBTITLE": "Sample Subtitle",
"AUTHOR": "Sample Author",
"AUTHOR_LIST": "Sample Author One, Sample Author Two",
"AFFILIATIONS": "Sample Organization",
"ABSTRACT": LOREM_PARAGRAPH,
"KEYWORDS": "keyword1, keyword2, keyword3, keyword4",
"INTRODUCTION": LOREM_PARAGRAPH,
"RELATED_WORK": LOREM_PARAGRAPH,
"METHODOLOGY": LOREM_PARAGRAPH,
"RESULTS": LOREM_PARAGRAPH,
"DISCUSSION": LOREM_PARAGRAPH,
"CONCLUSION": LOREM_SHORT,
"REFERENCES": "Doe, J. (2024). Example Reference. Journal of Examples.",
"MAIN_TEXT": f"{LOREM_PARAGRAPH} {LOREM_PARAGRAPH}",
"FIGURES_TABLES": "Figure 1: Example chart. Table 1: Summary of results.",
"REPORT_TITLE": "Business Report",
"DATE": "2025-01-01",
"EXEC_SUMMARY": LOREM_PARAGRAPH,
"BACKGROUND": LOREM_PARAGRAPH,
"FINDINGS": f"{LOREM_SENTENCE} {LOREM_SENTENCE}",
"RECOMMENDATIONS": "Recommendation 1: Improve efficiency. Recommendation 2: Reduce costs.",
"APPENDIX": LOREM_SHORT,
"NEWSLETTER_TITLE": "Monthly Newsletter",
"TOP_STORY": LOREM_PARAGRAPH,
"UPDATES": f"{LOREM_SENTENCE} {LOREM_SENTENCE}",
"SPOTLIGHT": LOREM_PARAGRAPH,
"FOOTER": "Contact: info@example.com | 123 Main Street",
"RECIPE_TITLE": "Sample Recipe",
"SERVINGS": "Serves 4",
"TIME": "30 minutes",
"INGREDIENTS": r"\begin{itemize}\item Ingredient A\item Ingredient B\item Ingredient C\end{itemize}",
"INSTRUCTIONS": LOREM_PARAGRAPH,
"NOTES": "Notes and tips: adjust seasoning to taste.",
"BUSINESS_NAME": "Your Company",
"BUSINESS_ADDRESS": "123 Main Street, Springfield",
"BUSINESS_CONTACT": "email@example.com | (555) 555-5555",
"INVOICE_NUMBER": "INV-001",
"ISSUE_DATE": "2025-01-01",
"DUE_DATE": "2025-01-15",
"CLIENT_NAME": "Client Name",
"CLIENT_ADDRESS": "456 Client Ave, Metropolis",
"CLIENT_CONTACT": "client@example.com",
"LINE_ITEMS": r"Design Services & 8 & 120 & 960 \\ Consulting & 4 & 150 & 600 \\",
"SUBTOTAL": "1560",
"TAXES": "124.80",
"TOTAL": "1684.80",
"PAYMENT_TERMS": "Net 15",
"PAYMENT_METHODS": "Bank transfer, credit card",
"STUDENT_NAME": "Student Name",
"COURSE_NAME": "Course Name",
"INSTRUCTOR_NAME": "Instructor Name",
"ASSIGNMENT_TITLE": "Assignment Title",
"PROMPT": LOREM_SHORT,
"RESPONSE": LOREM_PARAGRAPH,
"CHAPTER_ONE_TITLE": "Chapter One",
"CHAPTER_ONE": LOREM_PARAGRAPH,
"CHAPTER_TWO_TITLE": "Chapter Two",
"CHAPTER_TWO": LOREM_PARAGRAPH,
"PREFACE": LOREM_SHORT,
"PUBLISHER": "Publisher",
"NAME": "Name",
"EMAIL": "email@example.com",
"PHONE": "(555) 555-5555",
"LOCATION": "City, Country",
"SUMMARY": LOREM_SENTENCE,
"EXPERIENCE": f"{LOREM_SENTENCE} {LOREM_SENTENCE}",
"EDUCATION": "University Name, B.S. in Example Studies",
"SKILLS": "Skills: Analysis, Design, Communication",
"PROJECTS": LOREM_SHORT,
"SUBJECT": "Subject",
"BODY": LOREM_PARAGRAPH,
"RECIPIENT_NAME": "Recipient Name",
"RECIPIENT_TITLE": "Recipient Title",
"RECIPIENT_COMPANY": "Recipient Company",
"RECIPIENT_ADDRESS": "Recipient Address",
"SENDER_NAME": "Sender Name",
"SENDER_ADDRESS": "Sender Address",
"SENDER_EMAIL": "sender@example.com",
"MONTH_YEAR": "January 2025",
"THEME": "Theme",
"WEEK_ROWS": "1 & 2 & 3 & 4 & 5 & 6 & 7 \\\\\\\\ \\\\hline",
"HEADLINE": "Headline",
"SUBTEXT": "Supporting message with a clear benefit.",
"CALL_TO_ACTION": "Call to action",
"CONTACT": "contact@example.com",
"EXPERIMENT_TITLE": "Experiment Title",
"OBJECTIVE": LOREM_SHORT,
"MATERIALS": "Materials list goes here.",
"PROCEDURE": LOREM_PARAGRAPH,
"OBSERVATIONS": LOREM_SHORT,
"INSTITUTION": "Institution",
"PRESENTER": "Presenter",
"AGENDA": "Agenda goes here.",
"KEY_POINTS": "Key points go here.",
"DATA_VISUALS": "Data visuals go here.",
"SUBTITLE": "Subtitle",
"ORGANIZATION": "Organization",
}
def render_template_latex(raw_latex: str) -> str:
def replace(match: re.Match[str]) -> str:
key = match.group(1).strip()
return PLACEHOLDER_REPLACEMENTS.get(key, key.replace("_", " ").title())
return re.sub(r"<<([A-Z0-9_]+)>>", replace, raw_latex)
def find_converter() -> str | None:
if shutil.which("pdftoppm"):
return "pdftoppm"
if shutil.which("magick"):
return "magick"
if shutil.which("convert"):
return "convert"
return None
def pdf_to_jpg(pdf_path: Path, jpg_path: Path, converter: str) -> None:
if converter == "pdftoppm":
subprocess.run(
["pdftoppm", "-jpeg", "-f", "1", "-singlefile", str(pdf_path), str(jpg_path.with_suffix(''))],
check=True,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
timeout=TIMEOUT_SEC,
)
return
if converter == "magick":
subprocess.run(
["magick", "convert", "-density", "150", str(pdf_path), "-quality", "90", str(jpg_path)],
check=True,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
timeout=TIMEOUT_SEC,
)
return
subprocess.run(
["convert", "-density", "150", str(pdf_path), "-quality", "90", str(jpg_path)],
check=True,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
timeout=TIMEOUT_SEC,
)
def main() -> None:
if not shutil.which("pdflatex"):
raise SystemExit("pdflatex not found. Install TeX Live or MikTeX to generate thumbnails.")
converter = find_converter()
if not converter:
raise SystemExit("No PDF-to-image converter found. Install poppler-utils or ImageMagick.")
tex_files = list(TEMPLATE_ROOT.rglob("*.tex"))
if not tex_files:
raise SystemExit(f"No templates found in {TEMPLATE_ROOT}")
FRONTEND_PUBLIC.mkdir(parents=True, exist_ok=True)
catalog: dict[str, list[str]] = {}
failures: list[str] = []
for tex_file in tex_files:
doc_type = tex_file.parent.name
template_id = tex_file.stem
target_dir = FRONTEND_PUBLIC / doc_type
target_dir.mkdir(parents=True, exist_ok=True)
target_jpg = target_dir / f"{template_id}.jpg"
catalog.setdefault(doc_type, [])
if template_id not in catalog[doc_type]:
catalog[doc_type].append(template_id)
with tempfile.TemporaryDirectory() as tmpdir:
tmpdir_path = Path(tmpdir)
rendered = render_template_latex(tex_file.read_text(encoding="ascii"))
tmp_tex = tmpdir_path / "template.tex"
tmp_tex.write_text(rendered, encoding="ascii")
try:
subprocess.run(
["pdflatex", "-interaction=nonstopmode", "-halt-on-error", tmp_tex.name],
check=True,
cwd=tmpdir_path,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
timeout=TIMEOUT_SEC,
)
except (subprocess.CalledProcessError, subprocess.TimeoutExpired) as exc:
failures.append(f"{tex_file}: pdflatex failed ({exc})")
continue
pdf_path = tmpdir_path / "template.pdf"
if not pdf_path.exists():
failures.append(f"{tex_file}: PDF not generated")
continue
try:
pdf_to_jpg(pdf_path, target_jpg, converter)
print(f"Wrote {target_jpg}")
except (subprocess.CalledProcessError, subprocess.TimeoutExpired) as exc:
failures.append(f"{tex_file}: image conversion failed ({exc})")
continue
if failures:
print("\nFailures:")
for failure in failures:
print(f"- {failure}")
raise SystemExit("Template thumbnail generation completed with errors.")
entries = []
for doc_type in sorted(catalog.keys()):
templates = sorted(catalog[doc_type])
if "default" in templates:
templates = ["default"] + [t for t in templates if t != "default"]
entries.append(
f" {{ docType: '{doc_type}', templateCount: {len(templates)}, templates: {templates} }}"
)
FRONTEND_CATALOG.write_text(
"// Auto-generated by generate_template_thumbnails.py\n"
"export type TemplateCatalogEntry = {\n"
" docType: string\n"
" templateCount: number\n"
" templates: string[]\n"
"}\n\n"
"export const templateCatalog: TemplateCatalogEntry[] = [\n"
+ ",\n".join(entries)
+ "\n]\n",
encoding="ascii",
)
print(f"Wrote catalog {FRONTEND_CATALOG}")
if __name__ == "__main__":
main()