test_python3_filters.py

import uuid

from flask import Flask
from flask_sqlalchemy import SQLAlchemy

import flask_admin as admin
from flask_admin.contrib import sqla
from sqlalchemy_utils import UUIDType

# Create application
app = Flask(__name__)


# Create dummy secrey key so we can use sessions
app.config['SECRET_KEY'] = '123456790'

# Create in-memory database
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///sample_db_2.sqlite'
app.config['SQLALCHEMY_ECHO'] = True
db = SQLAlchemy(app)

# Flask views
@app.route('/')
def index():
    return '<a href="/admin/">Click me to get to Admin!</a>'


class Car(db.Model):
    __tablename__ = 'cars'
    id = db.Column(UUIDType(binary=False), default=lambda: str(uuid.uuid4()), primary_key=True)
    desc = db.Column(db.String())
    datetime = db.Column(db.DateTime())

    def __unicode__(self):
        return self.desc


class CarAdmin(sqla.ModelView):
    column_display_pk = True
    column_filters = ('desc', 'datetime')


# Create admin
admin = admin.Admin(app, name='Example: SQLAlchemy2', template_mode='bootstrap3')
admin.add_view(CarAdmin(Car, db.session))

if __name__ == '__main__':

    # Create DB
    db.drop_all()
    db.create_all()

    # Start app
    app.run(debug=True)