from pypdf import PdfReader
import operator

from typing import Dict
from typing import Any

def check_pdf_pages(pdf_file: str, rules: Dict[str, Any]) -> float:
    reader = PdfReader(pdf_file)
    nb_pages: int = len(reader.pages)
    return float( getattr(operator, rules["relation"])( nb_pages
                                                      , rules["ref_value"]
                                                      )
                )