Pdf merger (Regina 2000)

pdf_merger.py

import datetime
from PyPDF2 import PdfFileMerger
import os


def get_pdf_files_from_current_folder(current_folder: str):
    output_list = []
    for item in os.listdir(current_folder):
        if item.endswith('.pdf'):
            output_list.append(item)
    return sorted(output_list)


if __name__ == '__main__':
    folder = os.getcwd()
    pdfs = get_pdf_files_from_current_folder(folder)
    os.chdir(folder)

    merger = PdfFileMerger()
    for pdf in pdfs:
        merger.append(pdf)

    current_time = datetime.datetime.now().strftime('%H%M%S')

    merger.write(f'{current_time}-regina2000.pdf')
    merger.close()

hi!
Is there any way to order pages in files, i have below code to combine pdf with similar name but not sure how to select which file is the first page of pdf combined.
thank you
from pathlib import Path

from PyPDF2 import PdfFileMerger, PdfFileReader # pip install PyPDF2

pdf_dir = Path("PYTHON").parent / "pdf_files"

pdf_output_dir = Path("PYTHON").parent / "OUPUT"
pdf_output_dir.mkdir(parents=True, exist_ok=True)

pdf_files = list(pdf_dir.glob("*.pdf"))

keys = set([file.name[:3] for file in pdf_files])

BASE_FILE_NAME_LENGTH = 20

for key in keys:
merger = PdfFileMerger()
for file in pdf_files:
if file.name.startswith(key):
merger.append(PdfFileReader(str(file), "rb"))
if len(file.name) >= BASE_FILE_NAME_LENGTH:
base_file_name = file.name
merger.write(str(pdf_output_dir / base_file_name))
merger.close()

Hi @lore1734,

In line 11, the function returns a sorted list of the files.

Let's say you have 3 files:
b.pdf
d.pdf
a.pdf

If you add a number at the begging of each file, it will detemrine the order of the file in the pdf:
1d.pdf - first page.
2b.pdf - second page.
3a.pdf - third page.

And now there is a repository
https://github.com/Burekasim/Regina2000-pdf-merger

I've updated the repo with natural sort instead of the sorted function.