input pdf, output chapter wise split with page numbers, finally zip all files in zip file

 !pip install PyPDF2

import os

import zipfile

from PyPDF2 import PdfReader, PdfWriter

# Input and output paths

input_pdf_path = "/content/input.pdf"

output_folder = "/content"

zip_file_path = os.path.join(output_folder, "fileziped.zip")

# Define page ranges (1-based inclusive ranges)

page_ranges = {

    "file1.pdf": (15, 25),

    "file2.pdf": (26, 84),

    "file3.pdf": (85, 130),

    "file4.pdf": (131, 142),

    "file5.pdf": (143, 155),

    "file6.pdf": (156, 157),

}

# Read input PDF

reader = PdfReader(input_pdf_path)

# Store generated files for zipping

generated_files = []

# Extract specified page ranges

for filename, (start, end) in page_ranges.items():

    writer = PdfWriter()

   

    # Adjusting for 0-based indexing

    for i in range(start - 1, end):

        if i < len(reader.pages):

            writer.add_page(reader.pages[i])

   

    output_path = os.path.join(output_folder, filename)

    with open(output_path, "wb") as f:

        writer.write(f)

    generated_files.append(output_path)

# Create a ZIP file containing all split PDFs

with zipfile.ZipFile(zip_file_path, "w") as zipf:

    for file in generated_files:

        zipf.write(file, os.path.basename(file))

print("✅ PDF split successfully and zipped at:", zip_file_path)