Generate random user agent in python without any extra packages 📦

useragent-generator.py

# credit by : Pymmdrza.github.io
import random
from datetime import date

OS_CHOICES = {
    "Macintosh": ["68K", "PPC", "Intel Mac OS X"],
    "Windows": [
        "Win3.11",
        "WinNT3.51",
        "WinNT4.0",
        "Windows NT 5.0",
        "Windows NT 5.1",
        "Windows NT 5.2",
        "Windows NT 6.0",
        "Windows NT 6.1",
        "Windows NT 6.2",
        "Win 9x 4.90",
        "WindowsCE",
        "Windows XP",
        "Windows 7",
        "Windows 8",
        "Windows NT 10.0; Win64; x64",
    ],
    "X11": ["Linux i686", "Linux x86_64"],
}

def _generate_chrome(os_string):
    """Generates a Chrome User-Agent string."""
    webkit_version = random.randint(500, 599)
    chrome_version = (
        f"{random.randint(0, 99)}.0.{random.randint(0, 9999)}.{random.randint(0, 999)}"
    )
    return (
        f"Mozilla/5.0 ({os_string}) AppleWebKit/{webkit_version}.0 (KHTML, like Gecko) "
        f"Chrome/{chrome_version} Safari/{webkit_version}"
    )


def _generate_firefox(os_string):
    """Generates a Firefox User-Agent string."""
    today = date.today()
    gecko_trail = f"{random.randint(2020, today.year)}{random.randint(1, 12):02d}{random.randint(1, 30):02d}"
    firefox_version = f"{random.randint(1, 72)}.0"
    return (
        f"Mozilla/5.0 ({os_string}; rv:{firefox_version}) "
        f"Gecko/{gecko_trail} Firefox/{firefox_version}"
    )


def _generate_ie(os_string):
    """Generates an Internet Explorer User-Agent string."""
    ie_version = f"{random.randint(1, 99)}.0"
    trident_version = f"{random.randint(1, 99)}.0"
    token = ""
    if random.choice([True, False]):
        token = (
            random.choice(
                [
                    ".NET CLR",
                    "SV1",
                    "Tablet PC",
                    "Win64; IA64",
                    "Win64; x64",
                    "WOW64",
                ]
            )
            + "; "
        )
    return (
        f"Mozilla/5.0 (compatible; MSIE {ie_version}; {os_string}; "
        f"{token}Trident/{trident_version})"
    )


BROWSER_GENERATORS = {
    "chrome": _generate_chrome,
    "firefox": _generate_firefox,
    "ie": _generate_ie,
}


def getuseragent():
    """
    Generates a random User-Agent string.
    """
    platform = random.choice(list(OS_CHOICES.keys()))
    os_string = random.choice(OS_CHOICES[platform])
    browser = random.choice(list(BROWSER_GENERATORS.keys()))
    return BROWSER_GENERATORS[browser](os_string)



# Example usage:
# from useragent_file_name import getuseragent
# print(getuseragent())