Populate html drop-down using data from postgresql database using Python-Flask
It seems like you need to read Flask's Quickstart to learn some basic.
Here is a minimal application that meets your needs.
View function:
from flask import Flask, render_templateapp = Flask(__name__)@app.route('/')def index(): items = get_your_data_from_db() return render_template('index.html', items=items)templates/index.html
<html> <head> </head><body><form><select multiple="multiple">{% for item in items %}<option value="{{ item.field_name }}">{{ item.field_name }}</option>{% endfor %}</select></form></body></html>