import requests
import json
import os

from os.path import exists

pads_json = []
new_json= []

if exists("pads.json"):
    with open("pads.json", "r") as f:
        old_file = json.load(f)

    pads_json.extend(old_file)

    for pad in pads_json:
        print("Downloading: " + pad['oldUrl'] + "/download")
        r = requests.head(pad['oldUrl'] + "/download")
        if int(r.headers['content-length']) > 150:
            new_json.append(pad)


        with open("new_pads.json", "w") as f:
            f.write(json.dumps(new_json))

else:
    print("Give me pads.json")