flask-tutorial

reference

https://flask.palletsprojects.com/en/3.0.x/tutorial/

Project Layout

Create a project directory and enter it:

$ mkdir flask-tutorial
$ cd flask-tutorial

By the end, your project layout will look like this:

/home/user/Projects/flask-tutorial
├── flaskr/
│   ├── __init__.py
│   ├── db.py
│   ├── schema.sql
│   ├── auth.py
│   ├── blog.py
│   ├── templates/
│   │   ├── base.html
│   │   ├── auth/
│   │   │   ├── login.html
│   │   │   └── register.html
│   │   └── blog/
│   │       ├── create.html
│   │       ├── index.html
│   │       └── update.html
│   └── static/
│       └── style.css
├── tests/
│   ├── conftest.py
│   ├── data.sql
│   ├── test_factory.py
│   ├── test_db.py
│   ├── test_auth.py
│   └── test_blog.py
├── .venv/
├── pyproject.toml
└── MANIFEST.in

Installation

Python Version

We recommend using the latest version of Python. Flask supports Python 3.8 and newer.

Virtual environments

Create an environment

Create a project folder and a .venv folder within:

# macOS/Linux
$ python3 -m venv .venv

# Windows
> py -3 -m venv .venv

Activate the environment

Before you work on your project, activate the corresponding environment:

# macOS/Linux
$ . .venv/vin/activate

# Windows
> .venv\Scripts\activate

Install Flask

Within the activated environment, use the following command to install Flask:

$ pip install Flask

Run The Application

$ flask --app flaskr run --debug