import json
import requests

def qmean_page(structure):
""" return the Qmean4 score from SWISSMODEL QMEAN tool"""

    url = "https://swissmodel.expasy.org/qmean/submit/"

    # Request the resource
    response = requests.post(url=url, data={"email": "XXX@XXX.XX"} ,files={"structure": open(structure,'r'),},timeout=3,verify=True)

    json.dumps(response.json(), indent=4, sort_keys=True)
    download_json = str(response.json()['download_url'])

    return download_json

def qmean_score(download_url):
# Request the resource
    r = requests.get(download_url, verify=True)

    scores = json.dumps(r.json(), indent=4, sort_keys=True)
    print scores
    jdata = json.loads(scores)
    zscore = jdata['input_data']['models'][0]['global_scores']['qmean4']['zscore']
    return zscore


s = 'P02489.B99990005.pdb'
url_d = qmean_page(s)
print url_d
score  = qmean_score(url_d)
print score