pip install --index-url <this index>/ pycparser
nix build 'github:wasix-org/wasinix/2edc4d12496343fa930442ad22d75dc43c8a11f0#artifacts.registry.python.published.py313.pycparser."3.00"'nix build 'github:wasix-org/wasinix/2edc4d12496343fa930442ad22d75dc43c8a11f0#artifacts.registry.python.published.py313.pycparser."2.23"'nix build 'github:wasix-org/wasinix/2edc4d12496343fa930442ad22d75dc43c8a11f0#artifacts.registry.python.published.py313.pycparser."2.22"'