username_to_moodleid_2.py

#!/usr/bin/env python

import sys
import moodle.ws

if __name__ == "__main__":

    if len(sys.argv) != 2:
        print("Missing usernmae argument")
        sys.exit(1)
    username = sys.argv[1]

    host = "https://moodle-test.cs.colorado.edu"
    courseid = 2
    ws = moodle.ws.WS(host)
    # Another approach to looking up a userid.
    # For this to work, the WS user must all be a member of the role
    # assigned the extra "moodle/user:viewalldetails" permission.
    ws.authenticate("teacher1",
                    "FAKEPASSWORD",
                    "Grading_Serv",
                    error=True)

    print("Looking up ID for '{}' in course '{}'".format(username, courseid))
    options = [('userfields', 'id, username')]
    res = ws.core_enrol_get_enrolled_users(courseid, options)

    userid = None
    for user in res:
        if user['username'] == username:
            userid = user['id']
            break

    if userid is None:
        print("Username '{}' not found".format(username))
        sys.exit(1)
    else:
        print("ID = '{}'".format(userid))
        sys.exit(0)