Python Flask - Build Web Apps

Getting Started with Flask

Setting up your environment

Install Flask using pip:

pip install Flask

Creating a simple Flask app

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello_world():
    return "Hello, World!"

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

Flask Routing

Defining routes

Routes map URLs to specific functions.

Flask Templating

Using Jinja2

Jinja2 is Flask's templating engine.

Database Integration

Connecting to a database

Flask supports various databases like SQLite, PostgreSQL, and MySQL.

Advanced Flask Concepts

Working with forms

Learn how to handle user input with forms.

Building RESTful APIs

Create APIs for interacting with your application.