client.py

import json
import requests
import numpy as np

######### DO NOT CHANGE ANYTHING IN THIS FILE ##################
API_ENDPOINT = 'http://10.4.21.147'
PORT = 3000
MAX_DEG = 11

#### functions that you can call
def get_errors(id, vector):
    """
    returns python array of length 2 
    (train error and validation error)
    """
    for i in vector: assert -10<=abs(i)<=10
    assert len(vector) == MAX_DEG

    return json.loads(send_request(id, vector, 'geterrors'))

def submit(id, vector):
    """
    used to make official submission of your weight vector
    returns string "successfully submitted" if properly submitted.
    """
    for i in vector: assert -10<=abs(i)<=10
    assert len(vector) == MAX_DEG
    return send_request(id, vector, 'submit')

#### utility functions
def urljoin(root, port, path=''):
    root = root + ':' + str(port)
    if path: root = '/'.join([root.rstrip('/'), path.rstrip('/')])
    return root

def send_request(id, vector, path):
    api = urljoin(API_ENDPOINT, PORT, path)
    vector = json.dumps(vector)
    response = requests.post(api, data={'id':id, 'vector':vector}).text
    if "reported" in response:
        print(response)
        exit()

    return response


if __name__ == "__main__":
    """
    Replace "test" with your secret ID and just run this file 
    to verify that the server is working for your ID.
    """

    err = get_errors('test', list(-np.arange(0,1.1,0.1)))
    assert len(err) == 2

    submit_status = submit('test', list(-np.arange(0,1.1,0.1)))
    assert "submitted" in submit_status