#!/usr/bin/env/python
# -*- coding: utf-8 -*-
 
import json
try:
    import requests
except ImportError:
    print('[!] Please install the requests library')
    print('[!] Example: pip install requests')
    exit(1)
 
AUTH_URL = 'https://auth.developers.ar.ua.la'
TOKEN_URL = f'{AUTH_URL}/v2/api/auth/token'
 
class Auth:
 
    def __init__(self, username: str, client_id: str, client_secret_id: str, grant_type: str) -> None:
        self.username = username
        self.client_id = client_id
        self.client_secret_id = client_secret_id
        self.grant_type = grant_type
 
    def to_dict(self) -> dict:
        return vars(self)
 
    def to_json(self) -> str:
        return json.dumps(self.to_dict())
 
    def get_token(self):
        try:
            headers = {
                'Content-Type': 'application/json',
                'Accept': 'application/json'
            }
            session = requests.Session()
            response = session.post(
                TOKEN_URL,
                self.to_json(),
                headers=headers)
            return response.json()
        except requests.exceptions.RequestException as e:
            raise e('[!] Error while getting token')
 
	if **name** == '**main**':
	auth = Auth(
		username='USERNAME',
		client_id='CLIENT_ID',
		client_secret_id='CLIENT_SECRET_ID_KEY',
		grant_type='client_credentials'
	)
	response = auth.get_token()
	print(json.dumps(response, indent=4))