detect_api.py

import requests
import base64
import sys

def detect_api(filename):
    b64 = base64.b64encode(open(sys.argv[1], 'rb').read()).decode('utf8')
    data = dict(image = b64)
    response = requests.post('https://bzh.imatag.com/bzh/api/v1.0/detect',
                             json=data)
    if response.json()['p-value'] < 1e-3:
        print("watermark detected")
    else:
        print("no watermark detected")

if __name__ == '__main__':
    detect_api(sys.argv[1])