simple GoogleFont downloader in python

gfont-dl.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from os.path import basename
from urllib import request

import sys, re, os

header = """
################################################################################
#              ___   ___           _      ___                                  #
#             / _ \ / __\__  _ __ | |_   /   \_____      ___ __                #
#            / /_\// _\/ _ \| '_ \| __| / /\ / _ \ \ /\ / / '_ \               #
#           / /_\\/ /  | (_) | | | | |_ / /_// (_) \ V  V /| | | |              #
#           \____/\/   \___/|_| |_|\__/___,' \___/ \_/\_/ |_| |_|              #
#                                                                              #
################################################################################
                                                                    by kid_goth
                                                                    ===========                                                             
"""

print(header)

if len(sys.argv) < 2:
    print('Invalid arguments, use e.g.:\r\n\r\n' + sys.argv[0] + ' https://fonts.googleapis.com/css\?family\=Livvic\|Roboto')
    exit()

try:
    request.urlretrieve(sys.argv[1], './fonts.css')
    
    file = open('./fonts.css', 'r')
    css_content = file.read()
    file.close()

    font_faces = re.findall("\@font-face[\s\S]*?(?=\})", css_content)
    for font_def in font_faces:
        name = re.findall("font-family:\ ?\'([a-zA-Z\ ]+)\'", font_def)
        font_urls = re.findall("url\(?([a-zA-Z0-9\.\:\/\-\_]+)(?=\))", font_def)
        
        dir_font = './fonts/' + str.lower(name[0])
        os.makedirs(dir_font, exist_ok=True)
        
        for font_url in font_urls:
            font_name = basename(font_url)
            request.urlretrieve(font_url, dir_font + '/' + font_name)

            css_content = css_content.replace(font_url, dir_font + '/' + font_name)

    file = open('./fonts.css', 'w')
    file.write(css_content)
    file.close()

except Exception as e:
    print('An error has ocurred: ', e)
    exit()

print("Finished, enjoy :*")

#EOF