goodreads-tagger

import subprocess
from urllib.request import urlopen
from xml.etree.ElementTree import parse

goodreads_id = [your goodreads id here]
goodreads_api_key = [your api key here]
calibre_server = [server url e.g. http://localhost:8080/#calibre-library or path to library]
calibre_username = [your calibre username]
calibre_password = [your calibre password]
new_tag = [desired tag to add]

var_url = urlopen('https://www.goodreads.com/review/list/'+goodreads_id+'.xml?key='+goodreads-api_key+'&v=2&shelf=to-read&per_page=200&page=1')
xmldoc = parse(var_url)

for item in xmldoc.iterfind('reviews/review/book'):
  goodreads_id = item.findtext('id')

  temp = subprocess.run("calibredb list --with-library "+ calibre_server +" --username="+ calibre_username +" --password="+ calibre_password +" -s identifiers:=goodreads:" + goodreads_id + " --fields id --separator ':'", shell=True, stdout=subprocess.PIPE, universal_newlines=True)
  output = temp.stdout
  output = output.split('\n')
  if len(output) > 2:
    subprocess.run("calibredb set_metadata --with-library "+ calibre_server +" --username="+ calibre_username +" --password="+ calibre_password +" "+output[1]+" --field tags:"+new_tag+", shell=True)