api_post.py

import requests
import json
import sys
import os

# Load environment variables from .env file if it exists
def load_dotenv():
    dotenv_path = '.env'
    if os.path.exists(dotenv_path):
        with open(dotenv_path, 'r') as f:
            for line in f:
                line = line.strip()
                if not line or line.startswith('#'):
                    continue
                if '=' in line:
                    key, value = line.split('=', 1)
                    os.environ.setdefault(key.strip(), value.strip())

load_dotenv()

def post_json(url, token, data):
    """
    Send HTTP POST request with JSON body and Bearer token authorization.

    Args:
        url (str): Target API endpoint.
        token (str): Bearer token for Authorization header.
        data (dict): JSON-serializable data to send in request body.

    Returns:
        dict: Parsed JSON response, or None on failure.
    """
    headers = {
        'Authorization': f'Bearer {token}',
        'Content-Type': 'application/json'
    }

    try:
        response = requests.post(url, headers=headers, json=data, timeout=10)
        # Raise for HTTP errors (4xx,5xx)
        response.raise_for_status()
        # Try to parse JSON; if empty or not JSON, return text
        try:
            return response.json()
        except json.JSONDecodeError:
            return response.text
    except requests.exceptions.RequestException as e:
        print(f"Request failed: {e}", file=sys.stderr)
        return None

def main():
    # Configuration for the specific API
    API_URL = "https://isdweb.deltaww.com/api/getUnoNextPeriod"
    # Read token from environment variable (loaded from .env or system)
    YOUR_TOKEN = os.getenv('API_TOKEN')

    if not YOUR_TOKEN:
        print("Error: API_TOKEN environment variable not set", file=sys.stderr)
        print("Please set it in .env file or export API_TOKEN='your_token_here'", file=sys.stderr)
        sys.exit(1)

    # JSON payload to send (as provided)
    payload = {
        "token": YOUR_TOKEN,
        "sn": "2514L0170255",
        "sensor": None,
        "rtData": [],
        "dataFormat": "dict",
        "tsRange": None,
        "dataInterval": "6m"
    }

    print(f"Sending POST to {API_URL}...")
    print(f"Payload: {json.dumps(payload, indent=2)}")
    result = post_json(API_URL, YOUR_TOKEN, payload)

    if result is not None:
        print("Response received:")
        # Pretty-print if dict/list, else print raw
        if isinstance(result, (dict, list)):
            print(json.dumps(result, indent=2, ensure_ascii=False))
        else:
            print(result)
    else:
        print("Failed to get a valid response.", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main()