Flask-SQLAlchemy UUID

pg_uuid.py

# -*- coding: utf-8 -*-
"""
    pg_uuid
    ~~~~~~~~~~~~~~~~

    <NO DESCRIPTION>.

    :copyright: (c) 2018 by WRDLL <4ever@wrdll.com>
"""
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy import text as sa_text

SECRET_KEY = 'aa'
SQLALCHEMY_DATABASE_URI = 'postgresql://ling:@localhost/test'
SQLALCHEMY_ECHO = True

app = Flask(__name__)
app.config.from_object(__name__)

db = SQLAlchemy(app)

class UuidTest(db.Model):
    __tablename__ = 'uuid_test'
    id = db.Column(UUID(as_uuid=True), primary_key=True, server_default=sa_text("uuid_generate_v4()"))
    name = db.Column(db.String(10))

if __name__ == '__main__':
    app.run(debug=True)