Flask-QRcode

A concise Flask extension to easily render QR codes on Jinja2 templates using python-qrcode

You can read the full documentation here.

Installation

pip install Flask-QRcode

Usage:

Extend the app:

from flask_qrcode import QRcode
# [...]
QRcode(app)
# [...]

Then use it within your templates:

Basic usage:

<img src="{{ qrcode(STRING_TO_ENCODE) }}">

More examples:

For more examples, just run the sample application in this repository.

Sample Application

Contributing:

Thank you for considering contributing to this package.

As this is a simple package, the process is pretty straightforward...

1. Fork this repository
2. Checkout from master with to a feature branch with a name related to what is being contributed (e.g. "colored-qrcodes")

*It's highly recommended that your contribution either creates a new feature, fixes something OR refactors the code and does not mix these (e.g. one PR fixing some existent feature and refactoring non-related code).

3. Install dependencies and flask_qrcode on editable mode

   uv sync --group dev
   

4. Do your magic
5. Provide new tests for your work and check that both this and the old ones are passing
6. Pull Request!

Testing:

1. Install dependencies and flask_qrcode on editable mode

uv sync --group dev

2. Run pytest

uv run pytest