Check and download latest NETGEAR firmware

netgear_update.py

#!/usr/bin/env python3

from ftplib import FTP
import io, re, sys

NETGEAR_SERVER = "updates1.netgear.com"

class NetgearFtp():
    def __init__(self, user=None, pwd=None):
        self.ftp = FTP(NETGEAR_SERVER)
        if user and pwd:
            self.ftp.login(user, pwd)
        else:
            self.ftp.login()

    def cd(self, path):
        self.ftp.cwd(path)

    def get(self, name):
        f = io.BytesIO()
        self.ftp.retrbinary('RETR ' + name, f.write)
        f.seek(0, 0)
        return f.read()

def main(model, country, download):
    nf = NetgearFtp()
    nf.cd(model)
    nf.cd(country)

    # retr info
    info = nf.get("fileinfo.txt").decode("UTF-16")
    (fw_name, md5, size) = re.findall("\[Major.\]\r\nfile=(.*)\r\nmd5=(.*)\r\nsize=(.*)\r\n", info)[0]

    print("Firmware:", fw_name)
    print("Size:", size, "bytes")
    print("MD5:", md5)

    if download:
        print("Downloading file...")
        data_data = nf.get(fw_name)
        with open(fw_name, "wb") as f:
            f.write(data_data)
        print("Done!")


if __name__ == "__main__":
    if len(sys.argv) > 2:
        model = sys.argv[1].lower()
        country = sys.argv[2].lower()
        download = False
        if len(sys.argv) > 3 and sys.argv[3].lower() == "download":
            download = True
        main(model, country, download)
    else:
        print("Usage:")
        print("\t", sys.argv[0], "MODEL", "COUNTRY", "[download]")
        print("\t", sys.argv[0], "dgn2200v4", "ww", "[download]")