Introduce treefmt-nix as a universal formatter infra #833

	name: Build and Test Python
	on:
	pull_request:
	paths:
	- payjoin-ffi/**
	env:
	# Override the value from the rust-toolchain file
	# This is necessary because even though the correct toolchain
	# is explicitly specified for the rust-toolchain action,
	# rustup honors the rust-toolchain file over the default
	RUSTUP_TOOLCHAIN: 1.85

	jobs:
	build-python-and-test:
	name: "Build and test python"
	runs-on: ${{ matrix.os }}
	defaults:
	run:
	working-directory: payjoin-ffi/python
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	steps:
	- name: "Checkout"
	uses: actions/checkout@v4

	- name: "Install Rust 1.85.0"
	uses: dtolnay/[email protected]

	- name: "Use cache"
	uses: Swatinem/rust-cache@v2

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.14"

	- name: Install a specific version of uv
	uses: astral-sh/setup-uv@v6
	with:
	version: "0.8.2"
	enable-cache: true

	- name: "uv sync"
	run: uv sync --all-extras

	- name: "Generate payjoin-ffi.py and binaries"
	run: bash ./scripts/generate_bindings.sh

	- name: "Build wheel"
	run: uv build --wheel

	- name: "Install wheel"
	run: uv run pip install ./dist/*.whl

	- name: "Run tests"
	run: uv run python -m unittest --verbose

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