mk_pdf.py

import os
from datetime import datetime

import fitz


IMAGES_DIR = "./"

file_list = [f.path for f in os.scandir(IMAGES_DIR) if f.is_file() and f.path.split(".")[-1] == "jpeg"]

doc = fitz.open()

for m in file_list:
    with fitz.open(stream=open(m, "rb").read(), filetype="jpeg") as img:
        rect = img[0].rect
        pdfbytes = img.convert_to_pdf()
        img_pdf = fitz.open("pdf", pdfbytes)
        page = doc.new_page(width=rect.width, height=rect.height)
        page.show_pdf_page(rect, img_pdf, 0)

metadata = doc.metadata
dt = datetime.utcnow().strftime("D:%Y%m%d%H%M%S")
metadata.update({
    'title': f'My Title',
    'author': 'user',
    'subject': 'create pdf',
    'keywords': 'example, create, pdf',
    'creator': f'user',
    'producer': 'fitz',
    'creationDate': dt,
    'modDate': dt,
})
doc.set_metadata(metadata)
pdf_bin = doc.write()

with open("compilation.pdf", "wb") as f:
    f.write(pdf_bin)