A0ポスターを分割してA4用紙16枚で印刷する - Qiita

import pathlib import pypdf # file path to the pdf pdf_path = input("Please input pdf path: ") # Read pdf file pdf_file = open(pdf_path, "rb") pdf_reader = pypdf.PdfReader(pdf_file) # Output directory outdir = pathlib.Path("output") pathlib.Path.mkdir(outdir, exist_ok=True) # Confirm pdf size p1 = pdf_reader.pages[0] doc_width = p1.cropbox.width doc_height = p1.cropbox.height print(doc_width, doc_