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src/landppt/services/pdf_to_pptx_worker.py

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+"""
+Worker entrypoint to run PDF->PPTX conversion in a separate process.
+"""
+
+import argparse
+import logging
+import sys
+from pathlib import Path
+
+from .pdf_to_pptx_converter import PDFToPPTXConverter
+
+
+def configure_logging(level: int) -> None:
+    """Initialise basic logging for the worker."""
+    logging.basicConfig(
+        level=level,
+        format="%(levelname)s:%(name)s:%(message)s"
+    )
+
+
+def main() -> int:
+    """CLI entry point."""
+    parser = argparse.ArgumentParser(
+        description="Convert PDF to PPTX using Apryse SDK."
+    )
+    parser.add_argument("--input", required=True, help="Path to the source PDF file.")
+    parser.add_argument("--output", help="Path for the output PPTX file.")
+    parser.add_argument(
+        "--log-level",
+        default="INFO",
+        help="Logging level (default: INFO)."
+    )
+    args = parser.parse_args()
+
+    log_level = getattr(logging, args.log_level.upper(), logging.INFO)
+    configure_logging(log_level)
+
+    pdf_path = Path(args.input).expanduser().resolve()
+    if not pdf_path.exists():
+        print(f"Input PDF not found: {pdf_path}", file=sys.stderr)
+        return 1
+
+    if args.output:
+        output_path = Path(args.output).expanduser()
+        if not output_path.is_absolute():
+            output_path = output_path.resolve()
+    else:
+        output_path = pdf_path.with_suffix(".pptx")
+
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+
+    converter = PDFToPPTXConverter()
+    success, result = converter.convert_pdf_to_pptx(str(pdf_path), str(output_path))
+    if success:
+        print(result)
+        return 0
+
+    print(result, file=sys.stderr)
+    return 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())