Covert Image URL to base64

import base64
import requests


def get_as_base64(url):

    return base64.b64encode(requests.get(url).content)

Display image stored as binary blob in template

from base64 import b64encode

@app.route("/show/<int:id>")
def show(id):
    obj = A.query(A.id == id).fetch(1)[0]
    image = b64encode(obj.image).decode("utf-8")
    return render_template("show_a.html", obj=obj, image=image)

<p>{{ obj.x }}<br/>
{{ obj.y }}</p>
<img src="data:;base64,{{ image }}"/>