How do I set up Flask with an ORM?

How do I set up Flask with an ORM?

To set up Flask with an ORM, you can use SQLAlchemy. First, install it using pip: pip install Flask-SQLAlchemy.

What are the basic configurations I need to do?

You need to configure your Flask app to use SQLAlchemy. Here's a basic setup:

from flask import Flask
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///yourdatabase.db'
db = SQLAlchemy(app)

How do I create a model?

You can create a model by defining a class that inherits from db.Model. For example:

class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(80), unique=True, nullable=False)

How do I create the database?

You can create the database by running the following commands in your Flask shell:

from yourapp import db
db.create_all()