Using Google authentification in order to grab a file that requires so.....

GoogleID_Request.py

import requests
from bs4 import BeautifulSoup

#THIS SEEMS TO WORK OK....REQUESTS.SESSION() SHOULD DEAL WITH THE COOKIES AND KEEP THE USER LOGGED BUT IT DOESN`T...
class SessionGoogle:
    def __init__(self, url_login, url_auth, login, pwd):
        self.ses = requests.session()
        login_html = self.ses.get(url_login)
        soup_login = BeautifulSoup(login_html.content).find('form').find_all('input')
        my_dict = {}
        for u in soup_login:
            if u.has_attr('value'):
                my_dict[u['name']] = u['value']
        # SET VALUES ID & PASSWD
        my_dict['Email'] = login
        my_dict['Passwd'] = pwd
        self.ses.post(url_auth, data=my_dict)

    def get(self, URL):
        return self.ses.get(URL,stream=True)

#SET GOOGLE VARIABLES AND LOGIN... (CHANGE "YOMISMO" AND "MISMAMENTE")
url_login = "https://accounts.google.com/ServiceLogin"
url_auth = "https://accounts.google.com/ServiceLoginAuth"
session = SessionGoogle(url_login, url_auth, "YOMISMO", "MISMAMENTE")

#IT WORKS FINE WITH GMAIL
print requests.session().get("https://mail.google.com/mail/").text


#BUT NOT WHEN USED TO GRAB A FILE ELSEWHERE THAT REQUIRES GOOGLE TOKEN....

address="https://five.epicollect.net/api/internal/media/rovdyr?type=photo&format=entry_original&name=a28dca40-30d8-11e7-a656-87e8c7a439a4_1493909441.jpg"
r = session.get(address)

#SAVE FILE

with open('Prueba.jpg', 'wb') as wt:
    for block in r.iter_content(1024):
        if not block:
            break
        wt.write(block)