text: #!/usr/bin/env python3
  
  import requests
  import sys
  from bs4 import BeautifulSoup
  
  def getRecords(pidFile):
      for line in open(pidFile, 'r'):
          pid = line.split('\n')[0]
          r = requests.get('https://fsu.digital.flvc.org/islandora/object/{}/datastream/MODS/download'.format(pid))
          r.encoding = 'utf8'
          outFile = open('MODS/{0}.xml'.format(pid.replace(':', '_')), 'w')
          outFile.write(r.text)
          outFile.close()
          request_RELS_EXT = requests.get('https://fsu.digital.flvc.org/islandora/object/{0}/datastream/RELS-EXT/view'.format(pid))
          if 'rdf:resource="info:fedora/islandora:compoundCModel"' in request_RELS_EXT.text:
              soup = BeautifulSoup(requests.get('https://fsu.digital.flvc.org/islandora/object/{0}'.format(pid)).text, 
                                                'lxml')
              compound = soup.find('div', attrs={'class':'islandora-compound-thumbs'})
              try:
                  for a in compound.find_all('a'):
                      ch_pid = a['href'].split('/')[-1].replace('%3A',':')
                      ch_r = requests.get('https://fsu.digital.flvc.org/islandora/object/{0}/datastream/MODS/download'.format(ch_pid))
                      ch_r.encoding = 'utf8'
                      outFile = open('MODS/{0}.xml'.format(ch_pid.replace(':', '_')), 'w')
                      outFile.write(ch_r.text)
                      outFile.close()
              except AttributeError:
                  pass
  
  #arg1 = filename of plaintext file containing PIDs separated by new lines '\n'
  getRecords(sys.argv[1])