test1.py

import requests

def get_ecobee_access_token(api_key, refresh_token):
    url = "https://api.ecobee.com/token"
    payload = {
        'grant_type': 'refresh_token',
        'refresh_token': refresh_token,
        'client_id': api_key
    }
    response = requests.post(url, params=payload)
    if response.status_code == 200:
        return response.json()  # This will return the access token and a new refresh token
    else:
        return response.json()  # This will contain error information

# Replace 'your_api_key' and 'your_refresh_token' with your actual ecobee API key and refresh token
api_key = 'your_api_key'
refresh_token = 'your_refresh_token'

access_token_info = get_ecobee_access_token(api_key, refresh_token)
print(access_token_info)