index.json: index.html
	python3 scripts/extract_rdf.py > $@

index_titles.html: index.json scripts/templates/index_titles.html scripts/index_new.py
	python3 scripts/index_new.py

venv/:
	python3 -m venv venv
	source venv/bin/activate
	pip install html5lib jinja2 rdflib pyrdfa3

merge.json: index.json covers.json
	python3 scripts/merge_json.py index.json covers.json > $@