repro_dup_key_error.py

#!/usr/bin/env python3

import requests
import threading

url = "http://edx.devstack.lms:18000/oauth2/access_token/"
client_id = "client-id"
payload_token = "grant_type=password&username={}&password={}&client_id={}".format("edx@example.com", "edx", client_id)
payload_refresh = "grant_type=refresh_token&refresh_token={}&client_id={}"

headers = {
    'Content-Type': "application/x-www-form-urlencoded"
}


def request_token():
    response = requests.request("POST", url,
                                data=payload_token,
                                headers=headers,
    )
    if int(response.status_code) == 200:
        return response.json().get('refresh_token')

    return None


def request_refresh():
    response = requests.request("POST", url,
                                data=payload_refresh.format(token, client_id),
                                headers=headers)
    print("refresh: {}".format(response.status_code))
    print("response: {}".format(response.text.encode('utf-8')))


if __name__ == "__main__":
     token = request_token()

     t1 = threading.Thread(target=request_refresh)
     t2 = threading.Thread(target=request_refresh)
     t3 = threading.Thread(target=request_refresh)

     t1.start()
     t2.start()
     t3.start()