#!/usr/bin/env/python

import requests
from astropy.io import ascii

table = ascii.read('all_astro2020_whitepapers.csv')

numbers = table['Response ID']
people = table['Last Name:Principal Author']
urls = table['1:Upload File']

for number, person, url in zip(numbers, people, urls):
    try:
        pdf = requests.get(url, allow_redirects=True)
        open('{}_{}.pdf'.format(number,person), 'wb').write(pdf.content)
        print('Downloaded {}_{}.pdf'.format(number,person))
    except:
        print('ERROR downloading {}'.format(url))

print('Done')