import requests
from lxml import html

USERNAME = "v*****2"
PASSWORD = "Y*****$"

LOGIN_URL = "https://cas.sfu.ca/cas/login?service=https://my.sfu.ca/mysfu/auth&app=mySFU"
URL = "https://my.sfu.ca/mysfu/"

def main():
    session_requests = requests.session()

    # Get login csrf token
    result = session_requests.get(LOGIN_URL)
    tree = html.fromstring(result.text)
    authenticity_token = list(set(tree.xpath("//input[@name='lt']/@value")))[0]

    # Create payload
    payload = {
        "username": "vca32",
        "password": "Yoseph123$",
        "lt": "authenticity_token"
    }

    # Perform login
    result = session_requests.post(LOGIN_URL, data = payload, headers = dict(referer = LOGIN_URL))

    # Scrape url
    result = session_requests.get(URL, headers = dict(referer = URL))
    tree = html.fromstring(result.content)
    bucket_names = tree.xpath("//div[@class='repo-list--repo']/a/text()")

    print(bucket_names)

if __name__ == '__main__':
    main()



###########################################################################################
--- FORM report. Uses POST to URL "/cas/login;jsessionid=CBBFAA4DDC7F80BBEA97CDDEA70DB1B7.cas-ap2?service=https://my.sfu.ca/mysfu/auth%3Bjsessionid%3DB8647C388320FE9818FC9513EA67198B&app=mySFU"
Input: NAME="username" (TEXT)
Input: NAME="password" (PASSWORD)
Input: NAME="lt" VALUE="LT-54033-60mrzkSibmFnkmzrTBDCl3ysusLxLf" (HIDDEN)
Input: NAME="execution" VALUE="e1s1" (HIDDEN)
Input: NAME="_eventId" VALUE="submit" (HIDDEN)
Input: NAME="warn" VALUE="true" (CHECKBOX)
Button: "Sign In" (SUBMIT)
--- end of FORM