Speed up documentation build (#1525) #2146

	name: Documentation

	on:
	push:
	branches: "master"
	tags: ["*"]
	pull_request:
	paths:
	- .github/workflows/docs.yml
	- docs/**
	- requirements/**
	- src/tlo/**
	- README.rst
	- pyproject.toml
	- tox.ini
	schedule:
	- cron: 0 0 * * *

	# Force cancellation of in-progress workflows if changes are made to
	# the HEAD of the branch the workflow is currently running on.
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	# master branch will be allowed to have pending jobs
	# https://stackoverflow.com/a/70972844
	cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}

	jobs:

	build-docs:
	name: Build documentation
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	lfs: true
	- name: Cache tox
	uses: actions/cache@v4
	with:
	path: .tox
	key: tox-${{hashFiles('requirements/*.txt', 'tox.ini')}}
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.11
	- name: Install tox
	run: python3 -m pip install tox
	- name: Build HTML documentation with tox
	run: tox -v -e docs

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