How to Split PDF Pages into Ranges in Python

import os

def split_pdf_ranges(pdf_name, num_pages, ranges):
    """
    Simulates splitting a PDF by returning the page ranges that would be split.

    Args:
        pdf_name (str): Name of the PDF file.
        num_pages (int): Total number of pages in the PDF.
        ranges (list of tuple): List of (start, end) inclusive page ranges to split.

    Returns:
        list of dict: Each dict contains pdf name and the page range.
    """
    splits = []
    for start, end in ranges:
        if start < 1 or end > num_pages or start > end:
            raise ValueError(f"Invalid range {start}-{end} for {num_pages} pages")
        splits.append({"pdf": pdf_name, "range": f"{start}-{end}"})
    return splits

if __name__ == "__main__":
    result = split_pdf_ranges("report.pdf", 10, [(1, 3), (4, 6), (7, 10)])
    for split in result:
        print(f"{split['pdf']}: pages {split['range']}")