How to get bookmark's page number

Question

from typing import List
from PyPDF2 import PdfFileReader
from PyPDF2.generic import Destination


def get_outlines(pdf_filepat         


        

Answer 1

Manage bookmarks recursively with vjayky and Giulio D suggestion

PyPDF2 >= v1.25

from PyPDF2 import PdfFileReader

def printBookmarksPageNumbers(pdf):
    def review_and_print_bookmarks(bookmarks, lvl=0):
        for b in bookmarks:
            if type(b) == list:
                review_and_print_bookmarks(b, lvl + 4)
                continue
            pg_num = pdf.getDestinationPageNumber(b) + 1 #page count starts from 0
            print("%s%s: Page %s" %(" "*lvl, b.title, pg_num))
    review_and_print_bookmarks(pdf.getOutlines())

with open('document.pdf', "rb") as f:
    pdf = PdfFileReader(f)
    printBookmarksPageNumbers(pdf)

PyPDF2 < v1.25

from PyPDF2 import PdfFileReader

def printBookmarksPageNumbers(pdf):
    # Map page ids to page numbers
    pg_id_to_num = {}
    for pg_num in range(0, pdf.getNumPages()):
        pg_id_to_num[pdf.getPage(pg_num).indirectRef.idnum] = pg_num

    def review_and_print_bookmarks(bookmarks, lvl=0):
        for b in bookmarks:
            if type(b) == list:
                review_and_print_bookmarks(b, lvl + 4)
                continue
            pg_num = pg_id_to_num[b.page.idnum] + 1 #page count starts from 0 
            print("%s%s: Page %s" %(" "*lvl, b.title, pg_num))
    review_and_print_bookmarks(pdf.getOutlines())

with open('document.pdf', "rb") as f:
    pdf = PdfFileReader(f)
    printBookmarksPageNumbers(pdf)