from hashlib import md5

from base64 import b64encode

from pathlib import Path

import requests

def get(email):

try:

return {"status": "ok", "url": get_image(email)}

except Exception as exc:

return {"status": "error", "error": str(exc)}

def get_image(email):

print(f"get_image({email})")

if "@" not in email:

raise ValueError("E-Mail-Adresse ist ungültig.")

mail_hash = md5(email.strip().encode()).hexdigest()

url = "https://www.gravatar.com/avatar/" + mail_hash

# return url

try:

image = requests.get(url).content

except requests.exceptions.ConnectionError as exc:

image = Path("fallback.jpg").read_bytes()

# raise

# QML erwartet eine URL - wir haben aber das Bild als Bytes.

# data-URIs lösen das Problem.

return "data:image/jpeg;base64," + b64encode(image).decode()