Shallow download files from Google Drive folder with requests,bs4 and regex

gdown_folder_regex.py

import re
from bs4 import BeautifulSoup
import requests
import gdown
import json

import argparse

parser=argparse.ArgumentParser()
parser.add_argument("url")
args=parser.parse_args()

r=requests.get(args.url)
soup=BeautifulSoup(r.text,"lxml")

string_regex=re.compile(r"\'([^\']+)\'") #pretty dumb string regex, would fail in scaped strings

encoded_data=None
for script in soup.select("script"):
	if "_DRIVE_ivd" in script.text: # hacky script tag search
		encoded_data=string_regex.findall(script.text)[1] # second one, first one is '_DRIVE_ivdc'
		break
if encoded_data==None:
	raise RuntimeError("Didn't found script tag")
decoded = bytes(encoded_data, "utf-8").decode("unicode_escape")

data=json.loads(decoded)

ids=[elem[0] for elem in data[0]] #don't know why these indices

for id_ in ids:
	gdown.download('https://drive.google.com/uc?id='+id_)