#!/usr/bin/env python3
"""把用户提供的 UniTrust TimeStamp Authority 图标转成 dataURL，嵌入 HTML。"""
import base64
import sys

src = r'C:\Users\13794\AppData\Local\Temp\uniTrust.png'
try:
    with open(src, 'rb') as f:
        data = f.read()
    print(base64.b64encode(data).decode('ascii'))
except FileNotFoundError:
    print('NOT_FOUND', file=sys.stderr)
    sys.exit(1)