user_agent.py

import random


def generate_chrome_useragent() -> str:
    webkit_version = random.uniform(520.0, 537.36)
    chrome_version = random.randint(110_000_000_000, 127_000_000_000)
    platform = random.choice(
        [
            "Windows NT 10.0; Win64; x64",
            "Macintosh; Intel Mac OS X 10_15_7",
            "X11; Linux x86_64",
        ]
    )

    return (
        f"Mozilla/5.0 ({platform}) AppleWebKit/{webkit_version:.2f} "
        f"(KHTML, like Gecko) Chrome/{chrome_version // 1_000_000_000}."
        f"{chrome_version // 1_000_000 % 1000}."
        f"{chrome_version // 1_000 % 1000}."
        f"{chrome_version % 1000} Safari/{webkit_version:.2f}"
    )


if __name__ == "__main__":
    print(generate_chrome_useragent())