import fitz
import sys

doc = fitz.open(r'C:\git\spark-lesson\reference\sources\liu-discharge-transitions-thesis.pdf')
print(f'Pages: {len(doc)}')

# Extract first 10 pages to see TOC
for i in range(min(10, len(doc))):
    text = doc[i].get_text()
    if text.strip():
        print(f'--- Page {i+1} ---')
        print(text[:2000])