import hashlib def get_gravatar_url(email): # Trim leading and trailing whitespace from # an email address and force all characters # to lower case address = str(email).strip().lower() # Create a SHA256 hash of the final string hash_object = hashlib.sha256(address.encode()) hash_hex = hash_object.hexdigest() # Grab the actual image URL return f"https://www.gravatar.com/avatar/{hash_hex}?d=mp"