pretix-postfinance

PostFinance Checkout payment plugin for pretix.

Installation

PyPI

pip install pretix-postfinance

NixOS

For NixOS users, the plugin can be installed using the flake:

{ inputs, pkgs, ... }:
{
  services.pretix = {
    enable = true;
    plugins = [
      inputs.pretix-postfinance.packages.${pkgs.stdenv.hostPlatform.system}.default
    ];
  };
}

Development

Setup with uv

# Create virtual environment
uv venv

# Install with development dependencies
uv pip install -e ".[dev]"

Setup with Nix

# Enter development shell
nix develop

# Or use direnv
direnv allow

Running checks

# Run linting
uv run ruff check .

# Run type checking
uv run ty check pretix_postfinance/

# Run tests with coverage
uv run pytest tests/ --cov=pretix_postfinance --cov-report=term-missing -v

Configuration

Configure the plugin in your pretix settings with:

• Space ID: Your PostFinance Checkout space ID
• User ID: API user ID
• API Secret: API authentication secret
• Environment: production or sandbox

Features

• Payment processing via PostFinance Checkout
• Full and partial refund support
• Webhook handling for payment and refund notifications

License

GNU Affero General Public License v3.0 (AGPLv3)