MyReadings/main.py

import json
from Book import Book

# Opening JSON file
f = open('constructor.json', encoding='utf-8')
data = json.load(f)
f.close()
f = open("style.css")
style = f.read()
f.close()

books = data['books']
html = ""

for book_data in books:
    book = Book(book_data["name"], book_data["description"], book_data["image"], book_data["review"])
    html += book.to_html()

f = open("cast.html")
print(f.read().replace("{{books}}", html).replace("{{style}}", style))
f.close()